H3DS-MLC AC24-230/DC24-48 - Omron Automation and Safety

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Solid-state Timer

H3DS

DIN Track Mounted, Standard 17.5-mm Width Timer Range

• A wide AC/DC power supply range (24 to 230 VAC/ 24 to 48 VDC) reduces the number of timer models kept in stock. (24 to

230 VAC/VDC with H3DS-XL@)

• Smart Dial/Selector-locking Mechanism: Prevents the dials and selectors on the Timer’s front panel from being inadvertently op-

erated or being operated without authorization. The lock can only be unlocked and locked with an optional pen-type Lock Key.

• Screw-Less Clamp type available. (H3DS-@LC)

• Sticker provided for easy timer identification and management.

• Terminal clamp left open when delivered (screw terminal type).

• Finger protection terminal block to meet VDE0106/P100.

• Enables easy sequence checks through instantaneous outputs for a zero set value at any time range.

• Incorporates environment-friendly, cadmium-free contacts.

• Conforms to EN61812-1 and IEC60664-1 4 kV/2 for Low Voltage, and EMC Directives.

■Broad Line-up of H3DS Series

Contents

Solid-state Timer

H3DS-M/-S/-A........................................................................................... 2

H3DS-F..................................................................................................... 13

H3DS-G .................................................................................................... 20

H3DS-X .................................................................................................... 27

Common to ALL Timers

Installation of Screw-Less Clamp Models................................................. 33

Accessories .............................................................................................. 36

Precautions............................................................................................... 37

H3DS-M/S/A

Standard Timer

H3DS-M (eight multi-modes)

H3DS-S (four multi-modes)

H3DS-A (single mode)

Twin Timer

H3DS-F

Star-delta Timer

H3DS-G

Two-wired Timer

H3DS-X

H3DS-F H3DS-G

H3DS

H3DS-X

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Solid-state Multi-functional Timer

H3DS-M/-S/-A

• Eight operating modes (H3DS-M) and four operating modes

(H3DS-S) cover a wide range of applications.

• A wide time setting range of 0.10 s to 120 h.

• Two LEDs indicate power and relay status

respectively.

Model Number Structure

■Model Number Legend

Ordering Information

■List of Models

Note: The operating modes are as follows:

A: ON-delay

B: Flicker OFF start

B2: Flicker ON start

C: Signal ON/OFF-delay

D: SIgnal OFF-delay

E: Interval

G: Signal ON/OFF-delay

J: One shot

1 2 3

H3DS - L

1. M: Multi-function type

S: Standard type

A: Single-function type

2. L: Smart lock mechanism

3. None: Screw terminal type

C: Screw-Less Clamp type

Supply voltage Control output Input type Operating mode

(see note)

Model

Screw terminal

type

Screw-Less

Clamp type

24 to 230 VAC (50/60Hz)/

24 to 48 VDC

Contact output: SPDT

(time-limit output SP-

DT)

Voltage input Eight multi-modes: A, B,

B2, C, D, E, G, J

H3DS-ML H3DS-MLC

No-input available Four multi-modes: A, B2,

E, J

H3DS-SL H3DS-SLC

Single mode: A H3DS-AL H3DS-ALC

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H3DS-M/-S/-A

■Accessories (Order Separately)

Lock Key Y92S-38

Mounting Track 50 cm (l) x 7.3 mm (t) PFP-50N

1 m (l) x 7.3 mm (t) PFP-100N

1 m (l) x 16 mm (t) PFP-100N2

End Plate PFP-M

Spacer PEP-S

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H3DS-M/-S/-A

Specifications

■General

Note: Can be mounted to 35-mm DIN Track with a plate thickness of 1 to 2.5 mm.

■Time Ranges

Note: When the time setting dial is set to “0” for any time scale, the output will operate instantaneously.

■Ratings

Note: 1. DC ripple rate: 20% max.

2. Since an inrush current of 0.5 A will occur when using the power supply voltage at 24 VDC, pay careful attention when turning on or off

the power supply to the Timer with a solid-state output such as a sensor.

3. The power consumption is for mode A after the Timer counts the time-up time and for the AC input at 50 Hz. The power consumption of

the H3DS-ML includes the input circuit with the B1 and A1 terminals short-circuited.

Item H3DS-ML@H3DS-SL@H3DS-AL@

Operating mode A: ON-delay (Signal or Power)

B: Flicker OFF start (Signal or Power)

B2: Flicker ON start (Signal or Power)

C: Signal ON/OFF-delay

D: Signal OFF-delay

E: Interval (Signal or Power)

G: Signal ON/OFF-delay

J: One-shot (Signal or Power)

A: ON-delay

B2: Flicker ON start

E: Interval

J: One-shot

A: ON-delay (fixed)

Input type Voltage input ---

Output type Relay: SPDT

External connections Screw terminal, Screw-Less Clamp

Terminal block Screw terminal type: Clamps two 2.5-mm2 max. bar terminals without sleeves.

Screw-Less Clamp type: Clamps two 1.5-mm2 max. bar terminals without sleeves.

Terminal screw

tightening torque

0.98 N·m max.

Mounting method DIN track mounting (see note)

Attachment Nameplate label

Approved standards UL508, CSA C22.2 No.14

Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P100

Output category according to IEC60947-5-1 (AC-13; 250 V 5 A/AC-14; 250 V 1 A/AC-15; 250 V 1 A/DC-13; 30 V 0.1 A/

DC-14; 30 V 0.05 A)

Time scale display Time range

0.1 s 0.1 to 1.2 s

1 s 1 to 12 s

0.1 m 0.1 to 1.2 min

1 m 1 to 12 min

0.1 h 0.1 to 1.2 h

1 h 1 to 12 h

10 h 10 to 120 h

Rated supply voltage

(see notes 1 and 2)

24 to 230 VAC (50/60 Hz)/24 to 48 VDC

Operating voltage range 85% to 110% of rated supply voltage

Power reset Minimum power-off time: 0.1 s

Reset voltage 2.4 VAC/DC max.

Power consumption (see note 3) AC: 32 VA max./3.0 W max. (typical: 30 VA/2.7 W) at 230 VAC

14 VA max./2.2 W max. (typical: 13 VA/2.1 W) at 100 to 120 VAC

DC: 0.7 W max. (typical: 0.6 W) at 24 VDC

1.4 W max. (typical: 1.3 W) at 48 VDC

Voltage input Max. permissible capacitance between inputs lines (terminals B1 and A2): 2,000 pF

Load connectable in parallel with inputs (terminals B1 and A1).

H-level: 20.4 to 253 VAC/20.4 to 52.8 VDC

L-level: 0 to 2.4 VAC/DC

Control output Contact output: 5 A at 250 VAC with resistive load (cosφ = 1)

5 A at 30 VDC with resistive load (cosφ = 1)

Ambient temperature Operating: –10°C to 55°C (with no icing)

Storage: –25°C to 65°C (with no icing)

Ambient humidity Operating: 35% to 85%

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H3DS-M/-S/-A

■Characteristics

Note: For reference:

A maximum current of 0.15 A can be switched at 125 VDC (cosφ=1).

A maximum current of 0.1 A can be switched if L/R is 7 ms.

In both cases, a life of 100,000 operations can be expected.

The minimum applicable load is 10 mA at 5 VDC (failure level: P).

Accuracy of operating time ±1% max. of FS (±1% ±10 ms max. at 1.2-s range)

Setting error ±10% ±50 ms max. of FS

Signal input time 50 ms min.

Influence of voltage ±0.7% max. of FS (±0.7% ±10 ms max. at 1.2-s range)

Influence of temperature ±5% max. of FS (±5%±10 ms max. at 1.2-s range)

Insulation resistance 100 MΩ min. at 500 VDC

Dielectric strength Between current-carrying metal parts and exposed non-current-carrying metal parts: 2,000 VAC for 1 min.

Between control output terminals and operating circuit: 2,000 VAC for 1 min.

Between contacts not located next to each other: 1,000 VAC for 1 min.

Vibration resistance Malfunction: 0.5-mm single amplitude at 10 to 55 Hz

Destruction: 0.75-mm single amplitude at 10 to 55 Hz

Shock resistance Malfunction: 100 m/s2 3 times each in 6 directions

Destruction: 1,000 m/s2 3 times each in 6 directions

Impulse withstand voltage 3 kV (between power terminals)

4.5 kV (between current-carrying metal parts and exposed non-current-carrying metal parts)

Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) ±1.5 kV

Static immunity Malfunction: 4 kV

Destruction: 8 kV

Life expectancy Mechanical: 10 million operations min. (under no load at 1,800 operations/h)

Electrical: 100,000 operations min. (5 A at 250 VAC, resistive load at 360 operations/h)

(see note)

EMC (EMI) EN61812-1

Emission Enclosure: EN55011 Group 1 class B

Emission AC Mains: EN55011 Group 1 class B

Harmonic Current: EN61000-3-2

Voltage Fluctuation and Flickering: EN61000-3-3

(EMS) EN61812-1

Immunity ESD: EN61000-4-2: 6 kV contact discharge (level 3)

8 kV air discharge (level 3)

Immunity RF-interference from AM Radio Waves:

EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)

Immunity Burst: EN61000-4-4: 2 kV power port and output port (level 3)

1 kV control port with capacitive clamp (level 3)

Immunity Surge: EN61000-4-5: 2 kV common mode (level 3)

1 kV differential mode (level 3)

Case color Light gray (5Y7/1)

Degree of protection IP30 (Terminal block: IP20)

Weight Approx. 70 g

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H3DS-M/-S/-A

Connections

■Block Diagram

■I/O Functions

H3DS-ML@

AC (DC) input

Start input Input circuit

Zero setting

detection

circuit

Time scale/

unit selectors

Power supply

circuit

Oscillation

circuit

Counting

circuit

Indicator

circuit

Power-ON

indicator

Output

indicator

Output circuit

Operating

mode selector

H3DS-SL@/-AL@

AC (DC) input Zero setting

detection

circuit

Time scale/

unit selectors

Power supply

circuit

Oscillation

circuit

Counting

circuit

Power-ON

indicator

Output

indicator

Indicator

circuit

Output circuit

Operating

mode selector

Item H3DS-ML@H3DS-SL@/-AL@

Input Start Starts operation. No input is available.

Output Control output Outputs are turned ON according to designated out-

put mode when preset value is reached.

Outputs are turned ON according to designated out-

put mode when preset value is reached.

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H3DS-M/-S/-A

■Terminal Arrangement

Note: 1. DC supply voltage does not require the designation of polarity.

2. The contact symbol for the H3DS is indicated with because it offers multiple operating modes and is different from the delayed

contact for conventional timers.

■Input Connections

The inputs of the H3DS-ML@ are voltage (voltage imposition or open) inputs.

15 A1 15

18 16

18 16 A2 18 16 A2

18 16

18 16 A218 16

18 16

H3DS-MLC

(see note 1) (see note 1)

H3DS-ML H3DS-SLC/-ALC H3DS-SL/-AL

(DIN notation) (DIN notation)

(+)

(−)

(+)

(−)

No-contact Input

(Connection to PNP output sensor.)

No-contact Input

(Connection to NPN output sensor.)

Contact Input

Sensor

Operates with PNP transistor ON

Operates with NPN transistor ON

Operates with relay ON

Timer

24 VDC

Start

Voltage Input Signal Levels

No-contact

input

1. Transistor ON

Residual voltage: 1 V max.

(Voltage between terminals B1 and A2 must be more than the rated "H-level" voltage (20.4 VDC min.).)

2. Transistor OFF

Leakage current: 0.01 mA max.

(Voltage between terminals B1 and A2 must be less than the rated "L-level" voltage (2.4 VDC max.).)

Use contacts that can adequately switch 0.1 mA at each voltage to be imposed. (When the contacts are

ON or OFF, voltage between terminals B1 and A2 must be within the following ranges:

When contacts are ON: 20.4 to 253 VAC/20.4 to 52.8 VDC

When contacts are OFF: 0 to 2.4 VAC/DC

Contact

input

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H3DS-M/-S/-A

Operation

■Basic Operation

Setting of Selector

The selectors can be turned clockwise and counterclockwise to

select the desired time scale, or operating mode.

Each selector has a snap mechanism that secures the selector at a

given position. Set the selector at a position at which it is secured. Do

not set it midway between two securing positions or a malfunction

could result from improper setting.

Selection of Operating Mode (except

for H3DS-AL)

The H3DS-ML/-SL can be set to any one of the operating modes A to

J. Turn the operating mode selector with a screwdriver until the

desired operating mode appears in the operating mode display win-

dow.

H3DS-ML (8 modes): A, B, B2, C, D, E, G, J

(In order of appearance)

H3DS-SL (4 modes): A, E, B2, J, E, E, J, J

(In order of appearance)

Note: Letters that appear more than once indicate exactly the same

operating mode.

Selection of Time Scale

The time scale is selected by turning the time scale selector. The

time scales will appear in the following order in the time scale display

window on the left of the selector:

1 s, 0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m, 0.1 m.

Note: The time scale “1h” appears twice. Both instances indicate ex-

actly the same time scale.

Locking/Unlocking of Selectors and

Time Setting Dial

The time setting dial, time scale selector, and operating mode selec-

tor can be locked using the Y92S-38 Lock Key, a special pen type

tool that is sold separately. To lock the dial or selectors, insert the

Lock Key in the keyhole to the lower right of the dial or selector and

turn it clockwise until the dial or selector is completely covered with

the red cover. To unlock, turn the Lock Key in the opposite direction.

Time scale display

window and selector

Operating mode display

window and selector

Key hole

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H3DS-M/-S/-A

■Timing Chart

Note: 1. The minimum power reset time is 0.1 s and the minimum signal input time is 0.05 s.

2. The letter “t” in the timing charts stands for the set time and “t–a” means that the period is less than the time set.

3. There is no start input for H3DS-SL@/-AL@ models. Operation starts at power-on.

Note: The start input of the H3DS-ML@ model is activated by applying a voltage to B1 and A2 terminals.

The voltage can be applied by turning on the contact between B1 and A1 (Refer to Terminal Arrangement).

Operating

mode

Timing chart

A: ON-delay

Flicker OFF

start

B2:

Flicker ON

start

Signal

ON/OFF-

delay

Power (A1 and A2)

Start (B1 and A2)

(see note)

Output relay: NC

15 and 16

Power indicator

Output relay: NO

(output indicator)

15 and 18

t t–a

Power

* For power-on operation, impose voltage to the

Start input. The Timer starts operating at the

moment the power is turned on.

** Start input is invalid while the Timer is in

operation.

Start

Output

Basic operation

***

Power (A1 and A2)

Power indicator

t t t–a t–a

Basic operation

Power

Output

* For power-on operation, impose voltage to the

Start input. The Timer starts operating at the

moment the power is turned on.

** Start input is invalid while the Timer is in

operation.

Start

tt tt

tt t

Start (B1 and A2)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

***

Power (A

and A

)

tt tt–a t–a

Basic operation

Power

Output

* For power-on operation, impose voltage to the

Start input. The Timer starts operating at the

moment the power is turned on.

** Start input is invalid while the Timer is in

operation.

Start

tttt

Start (B

and A

)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

Power indicator

Power (A

and A

)

Power indicator

tt t tt–a t–a

Basic operation

Power

Start

Output

* Start input is invalid while the Timer is in

operation.

ttt t

Start (B

and A

)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

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H3DS-M/-S/-A

Note: The start input of the H3DS-ML@ model is activated by applying a voltage to B1 and A2 terminals.

The voltage can be applied by turning on the contact between B1 and A1 (Refer to Terminal Arrangement).

Operating

mode

Timing chart

Signal

OFF-delay

E: Interval

Signal

ON/OFF-

delay

One-shot out-

put

(ON delay)

Power (A1 and A2)

ttt–a t–a t–a

Basic operation

Power

Output

* Start input is valid and re-triggerable while the

Timer is in operation.

Start

Power indicator

Start (B1 and A2)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

Power (A1

and A

)

tt tt–at–a

Basic operation

Power

Output

* For power-on operation, impose voltage to the

Start input. The Timer starts operating at the

moment the power is turned on.

** Start input is valid and re-triggerable while the

Timer is in operation.

Start

Power indicator

Start (B

and A

)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

Power (A

and A

)

Power indicator

tt tt–a t–a t–a Basic operation

Power

Output

* Start input is valid and re-triggerable while the

Timer is in operation.

Start

ttt t

Start (B

and A

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

Power (A1 and A2)

t t t–a t–a t

Basic operation

Power

Output

* For power-on operation, impose voltage to the

Start input. The Timer starts operating at the

moment the power is turned on.

** Start input is valid and re-triggerable while the

Timer is in operation.

Start

Power indicator

Start (B1 and A2)

(see note)

Output relay: NC

15 and 16

Output relay: NO

(output indicator)

15 and 18

Approx.

1±0.6 s

(fixed)

Approx.

1±0.6 s

(fixed)

Approx.

1±0.6 s

(fixed)

Approx. 1±0.6 s

(fixed)

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H3DS-M/-S/-A

Nomenclature

18 16 A2

H3DS-ML@/-SL@

H3DS-AL@H3DS-ALC

Output indicator (orange)

(Lit while Timer output is ON.)

Output indicator (orange)

(Lit while Timer output is ON.)

Time scale display window and

selector (select one from 1 s,

0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m,

and 0.1 m)

Set time window

Set time window Time setting dial (set time)

Lock for time setting dial

Lock for time scale selector

Power-ON indicator (green)

(Lit while the power is ON.)

Attach the enclosed label here as a nameplate.

(The label is attached to the Timer's DIN Track

hook section at the time of shipment.)

Time setting dial (set time)

Lock for time setting dial

Lock for time scale selector

Lock for operating mode selector

Wire connection holes

Release holes

Wire connection holes

Release holes

Wire connection holes

Power-ON indicator (green)

(Lit while the power is ON.)

(Front View)

Time scale display window and

selector (select one from 1 s,

0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m,

and 0.1 m)

Operating mode display window

and selector (select the mode from

A, B, B2, C, D, E, G, and J for the

H3DS-ML, from A, B2, E, and J for

the H3DS-SL)

H3DS-MLC/-SLC

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H3DS-M/-S/-A

Dimensions

Note: All units are in millimeters unless otherwise indicated.

17.5 73

45 80

H3DS-ML/-SL/-AL

Surface color: Light gray 5Y7/1 (OMRON)

H3DS-MLC/-SLC/-ALC

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

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Solid-state Twin Timer

H3DS-F

• Operates in flicker-OFF or flicker-ON start mode with one Unit.

• Independent ON- and OFF-time settings.

Combinations of long ON- or OFF-time and short OFF- or ON-

time setting are possible.

• Long time range from 0.1 s to 12 h for both ON and OFF time

settings.

Model Number Structure

■Model Number Legend

Ordering Information

■List of Models

■Accessories (Order Separately)

123

H3DS -F L

1. F: Twin timers

2. L: Smart lock mechanism

3. None: Screw terminal type

C: Screw-Less Clamp type

Operating mode Supply voltage Model

Screw terminal type Screw-Less Clamp type

Flicker-OFF/Flicker-ON start 24 to 230 VAC (50/60 Hz)/24 to 48 VDC H3DS-FL H3DS-FLC

Lock Key Y92S-38

Mounting Track 50 cm (l) x 7.3 mm (t) PFP-50N

1 m (l) x 7.3 mm (t) PFP-100N

1 m (l) x 16 mm (t) PFP-100N2

End Plate PFP-M

Spacer PEP-S

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H3DS-F

Specifications

■General

Note: Can be mounted to 35-mm DIN Track with a plate thickness of 1 to 2.5 mm.

■Time Ranges

Note: When the time setting dial is set to “0” for any time scale, the output will operate instantaneously.

■Ratings

Note: DC ripple rate: 20% max.

Item H3DS-F

Operating mode Flicker-OFF/Flicker-ON start

Output type Relay: SPDT

External connections Screw terminal, Screw-Less Clamp

Terminal block Screw terminal type: Clamps two 2.5-mm2 max. bar terminals without sleeves.

Screw-Less Clamp type: Clamps two 1.5-mm2 max. bar terminals without sleeves.

Terminal screw tightening torque 0.98 N·m max.

Mounting method DIN track mounting (see note)

Attachment Nameplate label

Approved standards UL508, CSA C22.2 No.14

Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P 100

Output category according to IEC60947-5-1 (AC-13; 250 V 5A/AC-15; 250 V 1 A/DC-13; 30 V 0.1 A)

Time scale display Time range

0.1 s 0.1 to 1.2 s

1 s 1 to 12 s

0.1 m 0.1 to 1.2 min

1 m 1 to 12 min

0.1 h 0.1 to 1.2 h

1 h 1 to 12 h

Rated supply voltage (See note.) 24 to 230 VAC (50/60 Hz)/24 to 48 VDC

Operating voltage range 85% to 110% of rated supply voltage

Power reset Minimum power-off time: 0.1 s

Reset voltage 2.4 VAC/DC max.

Power consumption AC: 33 VA max./2.2 W max. (typical: 31 VA/2.0 W) at 230 VAC

11 VA max./1.9 W max. (typical: 9.7 VA/1.7 W) at 100 to 120 VAC

DC: 0.7 W max. (typical: 0.6 W) at 24 VDC

1.4 W max. (typical: 1.2 W) at 48 VDC

Voltage input Max. permissible capacitance between inputs lines (terminals B1 and A2): 2,000 pF

Load connectable in parallel with inputs (terminals B1 and A1).

H-level: 20.4 to 253 VAC/20.4 to 52.8 VDC

L-level: 0 to 2.4 VAC/DC

Control output Contact output: 5 A at 250 VAC with resistive load (cosφ = 1)

5 A at 30 VDC with resistive load (cosφ = 1)

Ambient temperature Operating: –10°C to 55°C (with no icing)

Storage: –25°C to 65°C (with no icing)

Ambient humidity Operating: 35% to 85%

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H3DS-F

■Characteristics

Note: For reference:

A maximum current of 0.15 A can be switched at 125 VDC (cosφ=1).

A maximum current of 0.1 A can be switched if L/R is 7 ms.

In both cases, a life of 100,000 operations can be expected.

The minimum applicable load is 10 mA at 5 VDC (failure level: P).

Accuracy of operating time ±1% max. of FS (±1% ±10 ms max. at 1.2-s range)

Setting error ±10% ± 50 ms max. of FS

Influence of voltage ±0.5% max. of FS (±0.5% ±10 ms max. at 1.2-s range)

Influence of temperature ±5% max. of FS (±5% ± 10 ms max. at 1.2-s range)

Insulation resistance 100 MΩ min. at 500 VDC

Dielectric strength Between current-carrying metal parts and exposed non-current-carrying metal parts: 2,000 VAC (50/60 Hz) for 1

min.

Between control output terminals and operating circuit: 2,000 VAC (50/60 Hz) for 1 min.

Between contacts not located next to each other: 1,000 VAC (50/60 Hz) for 1 min.

Impulse withstand voltage 3 kV (between power supply terminals)

4.5 kV (between current-carrying metal parts and exposed non-current-carrying metal parts)

Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) ±1.5 kV

Static immunity Malfunction: 4 kV

Destruction: 8 kV

Vibration resistance Malfunction: 0.5-mm single amplitude at 10 to 55 Hz

Destruction: 0.75-mm single amplitude at 10 to 55 Hz

Shock resistance Malfunction: 200 m/s2, 3 times each in 6 directions

Destruction: 300 m/s2, 3 times each in 6 directions

Life expectancy Mechanical: 10 million operations min. (under no load at 1,800 operations/h)

Electrical: 100,000 operations min. (5 A at 250 VAC, resistive load at 360 operations/h) (see note)

EMC (EMI) EN61812-1

Emission Enclosure: EN55011 Group 1 class B

Emission AC Mains: EN55011 Group 1 class B

Harmonic Current: EN61000-3-2

Voltage Fluctuation and Flickering: EN61000-3-3

(EMS) EN61812-1

Immunity ESD: EN61000-4-2: 6 kV contact discharge (level 3)

8 kV air discharge (level 3)

Immunity RF-interference from AM Radio Waves:

EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)

Immunity Burst: EN61000-4-4: 2 kV power port and output port (level 3)

1 kV control port with capacitive clamp (level 3)

Immunity Surge: EN61000-4-5: 2 kV common mode (level 3)

1 kV differential mode (level 3)

Case color Light gray (5Y7/1)

Degree of protection IP30 (IP20 for terminal block)

Weight Approx. 70 g

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H3DS-F

Connections

■Block Diagram

■I/O Function

■Terminal Arrangement

Note: 1. If voltage is applied to terminal B1, or if terminals A1 and B1 are shorted, the operating mode is switched to flicker-ON start mode. If these

terminals are disconnected, the mode switches to flicker-OFF start mode.

2. DC supply voltage does not require the designation of polarity.

AC (DC)

input

indicator

(Orange)

OFF

indicator

(Green) ON/OFF start

selector

Indicator

circuit

One-chip microcomputer

ROM RAM Clock

Time scale

selector

Output

circuit

Power

supply

circuit

Inputs Flicker-ON start operation begins when inputs are turned ON.

Outputs Control output Outputs are turned ON/OFF according to the time set by the ON-and OFF-time setting dial.

A1 15

16 A2

18 16 A2

18 16

A1 15 B1

H3DS-FLC H3DS-FL

(See note 2.)

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H3DS-F

Operation

■Basic Operation

Setting of Selector

The selectors can be turned clockwise and counterclockwise to

select the desired time scale, or operating mode.

Each selector has a snap mechanism that secures the selector at a

given position. Set the selector at a position at which it is secured. Do

not set it midway between two securing positions or a malfunction

could result from improper setting.

Settings for ON/OFF Start

If voltage is applied to terminal B1, or if terminals A1 and B1 are

shorted, the operating mode is switched to flicker-ON start mode. If

these terminals are disconnected, the mode switches to flicker-OFF

start mode. The operating mode will not change if the state of the

applied voltage changes during timer operation.

Selection of Time Scale

The time scale is selected by turning the ON-time scale selector and

OFF-time scale selector. The time scales will appear in the following

order in each time scale display window on the left of the selector:

0.1 s, 1 h, 0.1 h, 1 m, 1 s, 0.1 h, 0.1 m, 1 s.

Note: The time scales “1 s” and “0.1 h” appear twice. Both instances

indicate exactly the same time scale.

Time Setting

Use the ON/OFF-time setting dials to set the ON/OFF time.

Locking/Unlocking of Selectors and

Time Setting Dial

The ON/OFF-time setting dials and time scale selectors can be

locked using the Y92S-38 Lock Key, a special pen type tool that is

sold separately. To lock the dials or selectors, insert the Lock Key in

the keyhole to the lower right of the dial or selector and turn it clock-

wise until the dial or selector is completely covered with the red

cover. To unlock, turn the Lock Key in the opposite direction.

■Timing Charts

Note: 1. If voltage is applied to terminal B1, or if terminals A1 and B1 are shorted, the operating mode is switched to flicker-ON start mode. If these

terminals are disconnected, the mode switches to flicker-OFF start mode.

2. The reset time requires a minimum of 0.1 s.

3. When power is supplied in flicker-ON start mode, the OFF indicator lights momentarily. This, however, has no effect on the performance

of the Timer.

ON-time scale

display window

and selector

OFF-time scale display

window and selector

Key hole

Operating

mode

Timing chart

Flicker-OFF

start

(See note 1.)

Flicker-ON

start

(See note 1.)

Power (A1 and A2)

Output relay: NO

15 and 18

(ON indicator)

Output relay: NC

15 and 16

OFF indicator

0.1 s min.

OFF

tON: ON set time

tOFF: OFF set time

Power (A1

and A

)

0.1 s min.

OFF

Signal (B

and A

)

Output relay: NO

15 and 18

(ON indicator)

Output relay: NC

15 and 16 t

: ON set time

OFF

: OFF set time

OFF indicator

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H3DS-F

Nomenclature

1618 A2

H3DS-FL@H3DS-FLC

ON-time display window

OFF-time display window

(Front View)

ON-time scale display window

and selector (select one from

0.1 s, 1 s, 0.1 m, 1 m, 0.1 h,

and 1 h)

Output ON/OFF indicator

When the output is ON: Orange

When the output is OFF: Green

ON-time setting dial

Lock for ON-time setting dial

Lock for ON-time scale selector

OFF-time setting dial

Lock for OFF-time setting dial

Lock for OFF-time scale selector

Attach the enclosed label here as a nameplate.

(The label is attached to the Timer's DIN Track

hook section at the time of shipment.)

Wire connection holes

Release holes

OFF-time scale display window

and selector (select one from

0.1 s, 1 s, 0.1 m, 1 m, 0.1 h,

and 1 h)

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H3DS-F

Dimensions

17.5

H3DS-FL

H3DS-FLC

Surface color: Light gray 5Y7/1 (OMRON)

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

http://www.ia.omron.com/ 20

Solid-state Star-delta Timer

H3DS-G

• A wide star-time range (up to 120 seconds) and star-delta trans-

fer time range (up to 1 second)

Model Number Structure

■Model Number Legend

Ordering Information

■List of Models

■Accessories (Order Separately)

1 2 3

H3DS -G L

1. G: Star-delta timer

2. L: Smart lock mechanism

3. None: Screw terminal type

C: Screw-Less Clamp type

Operating mode Supply voltage Model

Screw terminal type Screw-Less Clamp type

Star-delta operation 24 to 230 VAC (50/60 Hz)/24 to 48 VDC H3DS-GL H3DS-GLC

Lock Key Y92S-38

Mounting Track 50 cm (l) x 7.3 mm (t) PFP-50N

1 m (l) x 7.3 mm (t) PFP-100N

1 m (l) x 16 mm (t) PFP-100N2

End Plate PFP-M

Spacer PEP-S

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H3DS-G

Specifications

■General

Note: Can be mounted to 35-mm DIN Track with a plate thickness of 1 to 2.5 mm.

■Time Ranges

■Ratings

Note: DC ripple rate: 20% max.

Item H3DS-G

Operating mode Star-delta operation

Operating/Reset method Time-limit operation/Self-reset

External connections Screw terminal, Screw-Less Clamp

Terminal block Screw terminal type: Clamps two 2.5-mm2 max. bar terminals without sleeves.

Screw-Less Clamp type: Clamps two 1.5-mm2 max. bar terminals without sleeves.

Terminal screw tightening torque 0.98 N·m max.

Output type (Star operation circuit) Relay: SPST-NO

(Delta operation circuit) Relay: SPST-NO

Mounting method DIN track mounting (see note)

Attachment Nameplate label

Approved standards UL508, CSA C22.2 No.14

Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P100

Output category according to IEC60947-5-1 (AC-13; 250 V 5A/AC-15; 250 V 1 A/DC-13; 30 V 0.1 A)

Time scale Star operation time ranges

x 1 1 to 12 s

x 10 10 to 120 s

Star-delta transfer time Programmable at 0.05 s, 0.1 s, 0.5 s, or 1 s

Rated supply voltage (see note) 24 to 230 VAC (50/60 Hz)/24 to 48 VDC

Operating voltage range 85% to 110% of rated supply voltage

Power reset Minimum power-off time: 0.5 s

Reset voltage 2.4 VAC/DC max.

Power consumption AC: 21 VA max./1.7 W max. (typical: 20 VA/1.6 W) at 230 VAC

11 VA max./2.0 W max. (typical: 8.6 VA/1.5 W) at 100 to 120 VAC

DC: 1.3 W max. (typical: 1.2 W) at 24 VDC

0.7 W max. (typical: 0.6 W) at 48 VDC

Control output Contact output: 5 A at 250 VAC with resistive load (cosφ = 1)

5 A at 30 VDC with resistive load (cosφ = 1)

Ambient temperature Operating: –10°C to 55°C (with no icing)

Storage: –25°C to 65°C (with no icing)

Ambient humidity Operating: 35% to 85%

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H3DS-G

■Characteristics

Note: For reference:

A maximum current of 0.15 A can be switched at 125 VDC (cosφ=1).

A maximum current of 0.1 A can be switched if L/R is 7 ms.

In both cases, a life of 100,000 operations can be expected.

The minimum applicable load is 10 mA at 5 VDC (failure level: P).

Accuracy of operating time ±1% max. of FS

Setting error ±10% ± 50 ms max. of FS

Total tolerance of transfer

time

± (25% FS + 5 ms) max.

Influence of voltage ±0.5% max. of FS

Influence of temperature ±5% max. of FS

Insulation resistance 100 MΩ min. at 500 VDC

Dielectric strength Between current-carrying metal parts and exposed non-current-carrying metal parts: 2,000 VAC (50/60 Hz) for 1

min.

Between control output terminals and operating circuit: 2,000 VAC (50/60 Hz) for 1 min.

Between contacts not located next to each other: 1,000 VAC (50/60 Hz) for 1 min.

Impulse withstand voltage 3 kV (between power supply terminals)

4.5 kV (between current-carrying metal parts and exposed non-current-carrying metal parts)

Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) ±1.5 kV

Static immunity Malfunction: 4 kV

Destruction: 8 kV

Vibration resistance Malfunction: 0.5-mm single amplitude at 10 to 55 Hz

Destruction: 0.75-mm single amplitude at 10 to 55 Hz

Shock resistance Malfunction: 200 m/s2, 3 times each in 6 directions

Destruction: 300 m/s2, 3 times each in 6 directions

Life expectancy Mechanical: 10 million operations min. (under no load at 1,800 operations/h)

Electrical: 100,000 operations min. (5 A at 250 VAC, resistive load at 360 operations/h) (see note)

EMC (EMI) EN61812-1

Emission Enclosure: EN55011 Group 1 class B

Emission AC Mains: EN55011 Group 1 class B

Harmonic Current: EN61000-3-2

Voltage Fluctuation and Flickering: EN61000-3-3

(EMS) EN61812-1

Immunity ESD: EN61000-4-2: 6 kV contact discharge (level 3)

8 kV air discharge (level 3)

Immunity RF-interference from AM Radio Waves:

EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)

Immunity Burst: EN61000-4-4: 2 kV power port and output port (level 3)

1 kV control port with capacitive clamp (level 3)

Immunity Surge: EN61000-4-5: 2 kV common mode (level 3)

1 kV differential mode (level 3)

Case color Light gray (5Y7/1)

Degree of protection IP30 (IP20 for terminal block)

Weight Approx. 70 g

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H3DS-G

Connections

■Block Diagram

■I/O Functions

■Terminal Arrangement

Note: DC supply voltage does not require the designation of polarity.

AC (DC) input Star

operation

time scale

selector

Power

supply

circuit Output

circuit

Indicator

circuit

Star operation

indicator

Delta operation

indicator

Star operation

Delta operation

Star

operation

time

oscillation

circuit

Star

operation

time

counting

circuit

Star-delta

transfer time

oscillation

circuit

Star-delta

transfer

time

counting

circuit

Star-delta

transfer

time

selection

Inputs ---

Outputs Control output Star output is turned OFF when the dial set value is reached and delta output is ON after

the preset transfer time elapses

A1 17 27

18 28

18 28 A2

27 17

18 28

H3DS-GLC

(see note)

H3DS-GL

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H3DS-G

Operation

■Basic Operation

Setting of Selector

The selectors can be turned clockwise and counterclockwise to

select the desired time scale, or operating mode.

Each selector has a snap mechanism that secures the selector at a

given position. Set the selector at a position at which it is secured. Do

not set it midway between two securing positions or a malfunction

could result from improper setting.

Selection of Time Unit and Time Scale

The star-delta transfer time and star operation time scale are set with

the same selector. The star-delta transfer time can be set to 0.05,

0.1, 0.5, or 1. The star operation time scale can be set to a multiplica-

tion factor of 1 or 10. If the star-delta transfer time is displayed in the

display window in white letters, this means that the star operation

time scale is “x10”. Refer to the example below.

Time Setting

The star operation time of the Timer is set with the time setting dial.

Locking/Unlocking of Selectors and

Time Setting Dial

The time setting dial and time scale selector can be locked using the

Y92S-38 Lock Key, a special pen type tool that is sold separately. To

lock the dial or selectors, insert the Lock Key in the keyhole to the

lower right of the dial or selector and turn it clockwise until the dial or

selector is completely covered with the red cover. To unlock, turn the

Lock Key in the opposite direction.

■Timing Charts

Note: The reset time requires a maximum of 0.5 s.

Star-delta transfer time Star operation time scale

x10

0.05 s

0.1 s

0.5 s

1 s

0.05 s

0.1 s

0.5 s

1 s

Star-delta transfer time and

star operation time scale

display window and selector

Key hole

Power (A

and A

)

Star contact

17 and 18

(star indicator)

Delta contact

27 and 28

(delta indicator) t

: Star operation time setting

: Star-delta transfer time

OFF

0.5 s

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H3DS-G

Nomenclature

18 28 A2

H3DS-GL@

Set time window

Delta operation indicator (orange)

Wire connection holes

Release holes

Wire connection holes

H3DS-GLC

Lock for time setting dial

Time setting dial (for setting

star operation time)

Lock for star-delta transfer time

and star operation time scale

Attach the enclosed label here as a nameplate.

(The label is attached to the Timer's DIN Track

hook section at the time of shipment.)

Star operation indicator

(green)

(Front View)

Star-delta transfer time and

star operation time scale

display window and selector

http://www.ia.omron.com/ 26

H3DS-G

Dimensions

17.5 73

45 80

H3DS-GL

Surface color: Light gray 5Y7/1 (OMRON)

17.5

H3DS-GLC

Surface color: Light gray 5Y7/1 (OMRON)

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

http://www.ia.omron.com/ 27

Solid-state Two-wired Timer

H3DS-X

• Covers wide range of supply voltage

(24 to 230 VAC/VDC).

Model Number Structure

■Model Number Legend

Ordering Information

■List of Models

■Accessories (Order Separately)

1 2 3

H3DS -X L

1. X: Two-wired timer

2. L: Smart lock mechanism

3. None: Screw terminal type

C: Screw-Less Clamp type

Supply voltage Input type Operating mode Model

Screw terminal type Screw-Less Clamp

type

24 to 230 VAC/VDC (50/60 Hz) No-input available ON-delay H3DS-XL H3DS-XLC

Lock Key Y92S-38

Mounting Track 50 cm (l) x 7.3 mm (t) PFP-50N

1 m (l) x 7.3 mm (t) PFP-100N

1 m (l) x 16 mm (t) PFP-100N2

End Plate PFP-M

Spacer PEP-S

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H3DS-X

Specifications

■General

Note: Can be mounted to 35-mm DIN Track with a plate thickness of 1 to 2.5 mm.

■Time Ranges

Note: When the time setting dial is set to “0” for any time scale, the output will operate instantaneously.

■Ratings

Note: The ripple in DC power supply must be 5% max.

Item H3DS-X

Operating mode ON-delay

Operating/Reset method Time-limit operation/self-resetting

Output type SCR output

External connections Screw terminal, Screw-Less Clamp

Terminal block Screw terminal type: Clamps two 2.5-mm2 max. bar terminals without sleeves.

Screw-Less Clamp type: Clamps two 1.5-mm2 max. bar terminals without sleeves.

Terminal screw tightening torque 0.98 N·m max.

Mounting method DIN track mounting (see note)

Attachment Nameplate label

Approved standards UL508, CSA C22.2 No.14

Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P100

Time scale display Time range

0.1 s 0.1 to 1.2 s

1 s 1 to 12 s

0.1 m 0.1 to 1.2 min

1 m 1 to 12 min

0.1 h 0.1 to 1.2 h

1 h 1 to 12 h

10 h 10 to 120 h

Rated supply voltage (see note) 24 to 230 VAC/VDC (50/60 Hz)

Operating voltage range 85% to 110% of rated supply voltage

Power reset Minimum power-off time: 0.1 s

Reset voltage 1.0 VAC/VDC max.

Reset current 5 mA max.

Power consumption 5 mA max.

Control output SCR output:5 mA to 0.7 A

Ambient temperature Operating: –10°C to 55°C (with no icing)

Storage: –25°C to 65°C (with no icing)

Ambient humidity Operating: 35% to 85%

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H3DS-X

■Characteristics

Connections

■Block Diagram

■I/O Functions

Accuracy of operating time ±1% max. of FS (±1% ±10 ms max. at 1.2-s range)

Setting error ±10% ± 50 ms max. of FS

Reset time 0.1 s max.

Influence of voltage ±0.5% max. of FS (±0.5%±10 ms max. at 1.2-s range)

Influence of temperature ±5% max. of FS (±5%±10 ms max. at 1.2-s range)

Insulation resistance 100 MΩ min. at 500 VDC

Dielectric strength Between current-carrying metal parts and exposed non-current-carrying metal parts: 2,000 VAC for 1 min

Impulse withstand voltage 3 kV (between power supply terminals)

4.5 kV (between current-carrying metal parts and exposed non-current-carrying metal parts)

Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise) ±1.5 kV (between power

supply terminals)

Static immunity Malfunction: 4 kV

Destruction: 8 kV

Vibration resistance Malfunction: 0.5-mm single amplitude at 10 to 55 Hz

Destruction: 0.75-mm single amplitude at 10 to 55 Hz

Shock resistance Malfunction: 200 m/s2, 3 times each in 6 directions

Destruction: 300 m/s2, 3 times each in 6 directions

EMC (EMI) EN61812-1

Emission Enclosure: EN55011 Group 1 class B

Emission AC Mains: EN55011 Group 1 class B

Harmonic Current: EN61000-3-2

Voltage Fluctuation and Flickering: EN61000-3-3

(EMS) EN61812-1

Immunity ESD: EN61000-4-2: 6 kV contact discharge (level 3)

8 kV air discharge (level 3)

Immunity RF-interference from AM Radio Waves:

EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)

Immunity Burst: EN61000-4-4: 2 kV power port and output port (level 3)

1 kV control port with capacitive clamp (level 3)

Immunity Surge: EN61000-4-5: 2 kV common mode (level 3)

1 kV differential mode (level 3)

Case color Light gray (5Y7/1)

Degree of protection IP30 (IP20 for terminal block)

Weight Approx. 70 g

AC (DC)

input

Power supply

circuit

Oscillation

circuit

Zero setting

detection

circuit

Counting

circuit

Time scale/

unit selectors

Indicator

circuit

Output

circuit

Inputs ---

Outputs Control output Outputs are turned ON when the preset value is reached.

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H3DS-X

■Terminal Arrangement

Note: DC supply voltage does not require the designation of polarity.

Operation

■Basic Operation

Setting of Selector

The selectors can be turned clockwise and counterclockwise to

select the desired time scale, or operating mode.

Each selector has a snap mechanism that secures the selector at a

given position. Set the selector at a position at which it is secured. Do

not set it midway between two securing positions or a malfunction

could result from improper setting.

Selection of Time Scale

The time scale is selected by turning the time scale selector. The

time scales will appear in the following order in the time scale display

window on the left of the selector:

1 s, 0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m, 0.1 m.

Note: The time scale “1h” appears twice. Both instances indicate ex-

actly the same time scale.

Locking/Unlocking of Selectors and

Time Setting Dial

The time setting dial and time scale selector can be locked using the

Y92S-38 Lock Key, a special pen type tool that is sold separately. To

lock the dial or selectors, insert the Lock Key in the keyhole to the

lower right of the dial or selector and turn it clockwise until the dial or

selector is completely covered with the red cover. To unlock, turn the

Lock Key in the opposite direction.

H3DS-XLC H3DS-XL

Time scale display

window and selector

Key hole

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H3DS-X

■Timing Charts

Nomenclature

Power

(A1 and A2)

Output

Set time Rt: Resetting time

Rt 0.1 s min.

Indicator

OFF

H3DS-XL

H3DS-XL@H3DS-XLC

Set time window

(Front View)

Time setting dial (set time)

Lock for time setting dial

Wire connection holes

Release holes

Wire connection holes

Lock for time scale selector

Power-ON indicator (green)

(Lit while the power is ON.)

Attach the enclosed label here as a nameplate.

(The label is attached to the Timer's DIN Track

hook section at the time of shipment.)

Time scale display window and

selector (select one from 1 s,

0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m,

and 0.1 m)

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H3DS-X

Dimensions

17.5 73

45 80

H3DS-XL

H3DS-XLC

Surface color: Light gray 5Y7/1 (OMRON)

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

http://www.ia.omron.com/ 33

H3DS-@LC

Installation of Screw-Less Clamp Models

■Tools

A flat-blade screwdriver should be used to mount the cables.

Applicable Screwdriver

● Flat-blade, Parallel-tip, 2.5 mm diameter

Examples: FACOM AEF.2.5 × 75E

VESSEL No. 9900-(-)2.5 × 75

WAGO 210-119

WIHA 260/2.5 × 40

■Applicable Wires

Applicable Wire Sizes

0.2 to 1.5 mm2, AWG24 to AWG16

Applicable Wire Type

Solid wires, stranded wires, flexible wires, or wires with ferules can

be used.

(See note 1) < 1.8 ≤ Diameter D (mm) ≤ 3.0 (see note 2)

Conductor diameter d (mm) or length of sides a and b (mm) ≤ 1.6

Note: 1. If the overall diameter of the wire is less than 1.8 mm, do not

insert the wire past the conductor. Refer to the following di-

agrams.

2. If the overall diameter of the wire is over 2.8 mm, it will be

difficult to use double wiring.

Wires with Ferules

OK NG

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H3DS-@LC

■Wiring

Use wires of the applicable sizes specified above. The length of the exposed conductor should be 6 to 7 mm.

Use the following wiring procedure.

1. Insert the specified screwdriver into the release hole located beside the wire connection hole where the wire is to be inserted.

2. Insert the exposed conductor into the wire connection hole.

3. Pull out the screwdriver.

6 to 7 mm

Fig. 1 Exposed Conductor Length

Wire

connection

holes

Release

holes

Fig. 2 Wire Connection Holes and Release Holes

Wire connection hole

Fig. 3 Section A-A of Fig. 2

Release hole

Screwdriver

Insert

Pull out

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H3DS-@LC

■Precautions

Always insert the screwdriver straight into the hole, never at an angle. The clamp spring may be deformed if the screwdriver is not straight.

Do not move the screwdriver side to side in the clamp hole. The clamp spring may be deformed if the screwdriver is moved sideways.

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H3DS

Accessories (Order Separately)

Note: All units are in millimeters unless otherwise indicated.

■Dimensions

100 6.4

Lock Key

Y92S-38

4.5

11.5

6.2 1.8

1.8

1.3

4.8

35.5 35.5

44.3 34.8

16.5

15 15

25 25 25 25

10 1,000 10

1,000 (500)

25 25

4.5

15 (5) 1

11.5

24 29.2

7.3±0.15

35±0.3 35±0.3

27±0.15

Mounting Track

PFP-100N, PFP-50N PFP-100N2

M4 x 8

pan head

screw

(see note)

End Plate

PFP-M

Spacer

PFP-S

(see note)

Note: The values shown in parentheses are for the

PFP-50N.

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H3DS

Safety Precautions

■Changing of Setting

!CAUTION

Do not change the time scale or operating mode, while the Timer is in

operation or malfunction could result.

■Power Supplies

The H3DS Series is provided with a transformerless power supply

system. An electric shock may be received if the input terminal is

touched while power is being supplied.

Use the bar terminal for wiring the H3DS. Using a stranded-wire ter-

minal may cause a short-circuit due to a stray wire entering into the

Timer.

Both AC and DC power supplies can be connected to the power

input terminals without regarding polarity.

With the H3DS only, a DC power supply must be connected to the

power input terminals as designated according to the polarity of the

terminals.

A DC power supply can be connected if its ripple factor is 20% or

less and the mean voltage is within the rated operating voltage range

of the Timer.

Make sure that the voltage is applied within the specified range, oth-

erwise the internal elements of the Timer may be damaged.

Connect the power supply voltage through a relay or switch in such a

way that the voltage reaches a fixed value at once or the Timer may

not be reset or a timer error could result.

Be sure that the capacity of the power supply is large enough, other-

wise the Timer may not start due to inrush current (approx. 3 A) that

may flow for an instant when the Timer is turned on.

For the power supply of an input device of the H3DS-ML@, use an

isolating transformer, of which the primary and secondary windings

are mutually isolated and the secondary winding is not grounded.

■Installation

If the load current is continuously being supplied to the Timer for a

long period of time, be sure to provide the mounting clearance as

shown in the figure below. If used under the conditions other than

those specified below (except for the H3DS-XL@), the life of internal

components may be shortened due to an excessive rise in the inter-

nal temperature.

Switching Current vs. Ambient

Temperature

(When Mounting Two or More H3DS

Units Side-by-Side)

•H3DS-ML@/-SL@/-AL-@

•H3DS-FL@/-GL@

■Input/Output

Relationship between Input and Power

Supply Circuits (H3DS-ML@)

Since the input circuit and the power supply circuit are configured

independently, the input circuit can be turned on or off irrespective of

the on/off state of the power supply.

It must be noted that a voltage equivalent to the power supply voltage

is applied to the input circuit.

When connecting a relay or a transistor as an external signal input

device, pay attention to the following points to prevent short-circuiting

due to a sneak current to the transformerless power supply.

H3DS-ML@

Circuit

Power supply

Rectifier circuit

Isolation transformer is required.

Start

input

H3DS H3DS H3DS

t: Mounting clearance (mm)

DIN track

H3DSH3DSH3DS

12345

Load current (A)

Mounting clearance:

0 mm

Mounting clearance:

5 mm

Maximum range of

operating ambient

temperature

Ambient temperature (°C)

12345

Load current (A)

Mounting clearance:

0 mm

Mounting clearance:

5 mm

Maximum range of

operating ambient

temperature

Ambient temperature (°C)

Mounting clearance:

10 mm

B1 A1

AC/DC

power

supply

Input circuit Power supply

circuit

http://www.ia.omron.com/ 38

H3DS

If a relay or transistor is connected to two or more Timers, the input

terminals of those Timers must be wired properly so that they will not

be different in phase or the terminals will be short-circuited to one

another (refer to the figures below).

The H3DS Series is provided with a transformerless power supply

system.

Input Wires

The input wires must be as short as possible. If the floating capacity

of wires exceeds 2,000 pF (approx. 17 m for cables with 120 pF/m),

the operation will be affected. Pay particular attention when using

shielded cables.

■Precautions for EN61812-1

Conformance

The H3DS as a built-in timer conforms to EN61812-1 provided that

the following conditions are satisfied:

The output section of the H3DS is provided only with basic isolation.

To ensure reinforced isolation required by the EN61812-1, provide

supplementary basic isolation on the load side connected to the out-

put.

The H3DS itself is designed according to the following:

•Overvoltage category III

•Pollution degree 2

On the above basis:

Operation parts on the front and bottom: Reinforced isolation

– With clearance of 5.5 mm and creepage distance of 5.5 mm at

230 VAC

Output: Basic isolation

– With clearance of 3 mm and creepage distance of 3 mm at

230 VAC

■Environment

When using the Timer in an area with excess electronic noise, sepa-

rate the Timer, wiring, and the equipment which generates the input

signals as far as possible from the noise sources. It is also recom-

mended to shield the input signal wiring to prevent electronic interfer-

ence.

Organic solvents (such as paint thinner), as well as very acidic or

basic solutions can damage the outer casing of the Timer.

Do not use the Timer in places where it is exposed to dust, corrosive

gas, or direct sunlight.

When storing the Timer, make sure that the ambient temperature

and humidity are within the rated values. Leave the Timer at room

temperature for at least three hours before using the Timer if it has

been stored at an ambient temperature of –10°C or below.

Leaving the Timer with outputs ON at a high temperature for a long

time may hasten the degradation of internal parts (such as electro-

lytic capacitors). Therefore, use the product in combination with

relays and avoid leaving the product as long as more than 1 month

with the output turned ON.

■Others

If the Timer is mounted on a control board, dismount the Timer from

the control board or short-circuit the circuitry of the power board

before carrying out a voltage withstand test between the electric cir-

cuitry and non current-carrying metal part of the Timer, in order to

prevent the internal circuitry of the Timer from damage.

Contact or transistor for

external input signal

Short-circuit

current

H3DS-ML@

Power supply

Incorrect

Contact or transistor for

external input signal

Correct

Short-circuit

current

H3DS-ML@

Power supply

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

2007.3

OMRON Corporation

Industrial Automation Company

In the interest of product improvement, specifications are subject to change without notice.

Read and Understand This Catalog

Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or

comments.

Warranty and Limitations of Liability

WARRANTY

OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if

speciﬁ ed) from date of sale by OMRON.

OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR

FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS

DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER

WARRANTIES, EXPRESS OR IMPLIED.

LIMITATIONS OF LIABILITY

OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS, OR COMMERCIAL

LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR

STRICT LIABILITY.

In no event shall responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.

IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS

OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT

SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.

Application Considerations

SUITABILITY FOR USE

OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's

application or use of the product.

At the customer's request, OMRON will provide applicable third party certiﬁ cation documents identifying ratings and limitations of use that apply to the

products. This information by itself is not sufﬁ cient for a complete determination of the suitability of the products in combination with the end product,

machine, system, or other application or use.

The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible

uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:

• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.

• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety

equipment, and installations subject to separate industry or government regulations.

• Systems, machines, and equipment that could present a risk to life or property.

Please know and observe all prohibitions of use applicable to the products.

NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE

SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT IS PROPERLY RATED AND

INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

Disclaimers

CHANGE IN SPECIFICATIONS

Product speciﬁ cations and accessories may be changed at any time based on improvements and other reasons.

It is our practice to change model numbers when published ratings or features are changed, or when signiﬁ cant construction changes are made.

However, some speciﬁ cations of the product may be changed without any notice. When in doubt, special model numbers may be assigned to ﬁ x

or establish key speciﬁ cations for your application on your request. Please consult with your OMRON representative at any time to conﬁ rm actual

speciﬁ cations of purchased product.

DIMENSIONS AND WEIGHTS

Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.

ERRORS AND OMISSIONS

The information in this catalog has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,

typographical, or proofreading errors, or omissions.

PERFORMANCE DATA

Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent

the result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON

Warranty and Limitations of Liability.

PROGRAMMABLE PRODUCTS

OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.

This catalog shall not be copied for sales or promotions without permission.

This catalog is protected by copyright and is intended solely for use in conjunction with the product. Please notify us before copying or reproducing this

catalog in any manner, for any other purpose. If copying or transmitting this catalog to another, please copy or transmit it in its entirety.

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Authorized Distributor

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H3DS-MLC AC24-230/DC24-48