CSM_H3CA_DS_E_4_1
1
Solid-state Timer
H3CA
DIN-sized (48 x 48, 45 x 75 mm) Timer with
Digital Setting and LCD Display
• Dual power supplies for free AC/DC.
• Eight operation modes selectable with one unit.
• Any desired time can be set digitally within a range from 0.1
seconds to 9,990 hrs.
• Four external signal inputs.
• ON/OFF indicator for control output and bar indicator for
remaining time.
• Conforms to UL, CSA, and CE marking.
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Ordering Information
Note: 1. Specify both the model number and supply voltage when ordering for the H3CA-8H and H3CA-8.
2. The operation/resetting system depends on the selected operation mode. For details, see “Timing Chart”.
3. The 8 operation modes are as follows:
A: ON-delay operation
B: Repeat cycle operation
C: Signal ON/OFF-delay operation (1)
D: Signal OFF-delay operation (1)
E: Interval operation
F: One-shot and flicker operation
G: Signal ON/OFF-delay operation (2)
H: Signal OFF-delay operation (2)
■Accessories (Order Separately)
Note: Track mounted socket can be used as a front connecting socket.
Specifications
■Time Ranges
A desired time can be set within a range of 0.1 s to 9,990 hrs by combining the three thumbwheel switch modules for time setting and one module
for time unit selection.
Operation/resetting
system
Operation mode Terminal Time-limit
contact
Instantaneous
contact
Mounting
Surface
mounting/
track mounting
Flush mounting
Time-limit operation/self-
resetting/external
resetting (see note 2)
8 operation modes
(selectable)
(see note 3)
11-pin round socket SPDT --- H3CA-A H3CA-A
Front screw H3CA-FA ---
Time-limit operation/
self-resetting
ON-delay operation 8-pin round socket DPDT --- H3CA-8 H3CA-8
SPDT SPDT H3CA-8H H3CA-8H
Timer Track mounted socket
(See note.)
Back connecting socket
Solder terminal Screw terminal
H3CA-A P2CF-11 PL11 P3GA-11
H3CA-8H/H3CA-8 P2CF-08 PL08 P3G-08
Time unit 0.1 s 1 s 0.1 min 1 min 0.1 hrs 1 hr 10 hrs
Time range 1 to 999 (3 digits)
H3CA
2
■Ratings
Note: 1. Single-phase, full-wave rectified power sources may be used for 24 to 240 VDC.
2. Refer to Safety Precautions for All Times when combining the Timer with an AC 2-wire proximity sensor.
■Characteristics
Item H3CA-A/H3CA-FA H3CA-8 H3CA-8H
Rated supply voltage
(See note 2.)
24 to 240 VAC (50/60 Hz),
12 to 240 VDC (permissible ripple:
20% max.)
100/110/120, 200/220/240 VAC, (50/60 Hz),
24 VDC, 110 VDC (permissible ripple: 20% max.) (See note 1.)
Operating voltage range 90% to 110% of rated supply voltage 85% to 110% of rated supply voltage
Power consumption AC: approx. 4 VA
DC: approx. 2 W
AC: approx. 10 VA/1 W
DC: approx. 1 W
AC: approx. 10 VA/1.5 W
DC: approx. 2 W
Control outputs 3 A at 250 VAC, resistive load (cosφ = 1)
Minimum applicable load H3CA-8, H3CA-A and H3CA-FA: 10 mA at 5 VDC (failure level: Preference value)
H3CA-8H: 100mA at 5 VDC (failure level: Preference value)
Contact materials : Ag-alloy
Accuracy of operating
time
±0.3% ±0.05 s
Influence of voltage
Influence of
temperature
Setting error ±0.5% ±0.05 s max.
Reset time H3CA-A/-FA: 0.5 s max.
H3CA-8H/-8: 0.1 s max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min (between current-carrying and non-current-carrying parts and between contact and
control circuit)
1,000 VAC, 50/60 Hz for 1 min (between non-continuous contacts)
Impulse withstand
voltage
5 kV
Vibration resistance Destruction: 10 to 55 Hz with 0.75-mm double amplitude for 1 h each in three directions
Malfunction: 10 to 55 Hz with 0.5-mm double amplitude for 10 min each in three directions
Shock resistance Destruction: 980 m/s2
Malfunction: 98 m/s2
Ambient temperature Operating: –10°C to 55°C
Ambient humidity Operating: 35% to 85%
Life expectancy Mechanical: 10,000,000 operations min. (under no load at 1,800 operations/h)
Electrical: 100,000 operations min. (3 A at 250 VAC, cosφ = 1 at 1,800 operations/h)
See Lift-test Curve for more details.
Approved standards UL508, CSA C22.2 No. 14, LR, NK
Conforms to EN61010-1.
EMC (EMI) EN61326
Emission Enclosure: EN55011 Group 1 class A
Emission AC mains: EN55011 Group 1 class A
(EMS) EN61326
Immunity ESD: IEC61000-4-2
Immunity RF-interference: IEC61000-4-3
Immunity Burst: IEC61000-4-4
Immunity Surge: IEC61000-4-5
Immunity Conducted Disturbance: IEC61000-4-6
Immunity Voltage Dip/Interruption: IEC61000-4-11
Weight H3CA-A: approx. 110 g
H3CA-FA: approx. 190 g
H3CA
3
Engineering Data
■Life-test Curve
Nomenclature
Switching operations (×10
3
)
Load current (A)
Reference: A maximum current of 0.15 A can be switched at 125 VDC (cosφ = 1).
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.
Note: 1. The H3CA Series has been tested for the following: impulse voltages, noise
(via noise simulator, for L loads, and for relay oscillation), and resistance to
static electricity.
2. Minimum applicable load (P reference values):
H3CA-A(FA), H3CA-8H: 100 mA at 5 VDC
H3CA-8: 10 mA at 5 VDC
H3CA-A/H3CA-8H H3CA-FA
Time Unit Selector
Set Time Indicators (3 Digits)
LCD Display
Operation Mode Selector (Fixed to "A" in H3CA-8H)
A: ON-delay operation
B: Flicker operation
C: Signal ON/OFF-delay operation (1)
D: Signal OFF-delay operation (1)
E: Interval operation
F: One-shot and flicker operation
G: Signal ON/OFF-delay operation (2)
H: Signal OFF-delay operation (2)
LCD Display
Time Unit Selector
Operation Mode Selector Set Time Indicators (3 Digits)
Control output ON/OFF indication
Remaining time elapses, the
remaining time is indicated by a
pattern of bars in tenth of 1/10 of
the set time.
H3CA
4
Operation
■Timing Chart
H3CA-A (FA)
ON-delay Operation (A Mode)
Signal Start
t: Set time; t-a: Time within the set time
t: Set time; R: Resetting time; t-a: Time within the set time
Power-ON Start/Power-OFF Reset
Note: The minimum signal input time is 0.05 s.
Flicker Operation (B Mode)
Signal Start Power-ON Start/Power-OFF Reset
t: Set time; t-a: Time within the set time
t: Set time
Note: The minimum signal input time is 0.05 s.
H3CA
5
t: Set time; t-a: Time within the set time t: Set time; t-a: Time within the set time
Signal ON/OFF-delay Operation 1 (C Mode) Signal OFF-delay Operation 1 (D Mode)
Note: 1. The minimum signal input time is 0.05 s.
2. Operation 1 refers to the version in which the output relay operates when the Start signal is ON.
Interval Operation (E Mode)
Signal Start
t: Set time; t-a: Time within the set time
t: Set time
Note: The minimum signal input time is 0.05 s.
One-shot and Flicker Operation (F Mode)
Signal Start Power-ON Start/Power-OFF Reset
Note: The minimum signal input time is 0.05 s.
t: Set time; t-a: Time within the set time t: Set time; t-a: Time within the set time
Note: The minimum signal input time is 0.05 s.
Signal ON/OFF-delay Operation 2 (G Mode) Signal ON/OFF-delay Operation 2 (H Mode)
Note: 1. The minimum signal input time is 0.05 s.
2. Operation 2 refers to the version in which the output relay does not operate when the Start signal is ON.
t: Set time; t-a: Time within the set time t: Set time; t-a: Time within the set time
t-a
H3CA
6
ON-delay Operation
Repeat Cycle Operation
2. The set time is the sum of t1 and t2.
t: Set time; t-a: Time within the set time
t: Set time; t-a: Time within the set time
If a check signal is input to the timer during the lapse of a set time,
the remaining set time will become 0 and the timer will enter the
next control state. Also, while a check signal is being input, the
elapsed time measurement of the set time is not performed.
Note: 1. This timing chart indicates the gate input in operation
mode A (ON-delay operation).
How to Use Gate Signal Input How to Use Check Signal Input
H3CA-8H
H3CA
7
Dimensions
Note: All units are in millimeters unless otherwise indicated.
■Timers
■Accessories (Order Separately)
Track Mounted Front Connecting Socket
Panel Cutouts
H3CA-A/-8H H3CA-FA
Horizontally connecting n units
No front cover:
N = (48n − 2.5)
+1
/
−0
With front cover:
N = {48n − 2.5 + (n − 1) x 3}
+1
/
−0
Mounting Holes
Two,M4 or 4.5 dia. holes
(N)
When mounting
a single unit
t = 1 to 3.2 mm Note: When mounting two or more
timers in line, dimension L
between two adjacent timers
should be 10 mm min.
45
+0.6
(N)
−0
Mounting Holes Terminal Arrangement
(Top View)
108.1
P2CF-08
97.2
Mounting Holes Terminal Arrangement
(Top View)
Eleven, M3.5 × 7.5
sems
Eight, M3.5 × 7.5
sems
Two,
4.5 dia.
holes
Two,
4.5 dia.
holes
Note1: P2CF-08 can be used as
a front connecting socket.
Mounting Height of
Timer with Socket
Mounting Height of
Timer with Socket
Two, 4.5 dia. or
Two, M4
Two, 4.5 dia.
mounting holes
Note1: P2CF-11 can be used as
a front connecting socket.
Note2: There are no restrictions
to the mounting direction.
Note2: There are no restrictions
to the mounting direction.
H3CA
8
Back Connecting Socket
79.6
P3GA-11
Terminal Arrangement
(Bottom View)
Terminal Arrangement
(Bottom View)
P3G-08
86.3
10.9
P3G-08
Mounting Holes Terminal Arrangement
(Bottom View)
PL11
Approx. 20.5
Two, 2 dia. holes
35 max.
M3.5
Mounting Holes Terminal Arrangement
(Bottom View)
PL08
27 dia.
79.6
Mounting Height of
Timer with Socket
Mounting Height of
Timer with Socket
Mounting Height of
Timer with Socket
Two, 3.5 dia. or 3M socket
mounting holes
Two, 3.5 dia. or 3M socket
mounting holes Hold-down
clip
Y92H-1
Two, 2 dia.
holes
Note: There are no restrictions to
the mounting direction.
H3CA
9
Mounting Track (Meets DIN EN50022)
Protective Cover
(see note)
PFP-100N/PFP-50N PFP-100N2
Twelve, 25 × 4.5 elliptic holes (see note)
Note: This dimension applied to PFP-50N.
PFP-M PFP-S
Y92F-30
Note: Pay attention to the orientation of the adapter when mounting
two or more timers in a vertical or horizontal line.
Note: A total of 12-25 × 4.5 elliptic holes are provided with 6 holes
cut from each rail end at a pitch of 10 mm between holes.
End Plate
Adapter for Flush Mounting
Y92A-48B/Y92A-48D
Y92A-48B
Hard Plastic Cover
Y92A-48D
Soft PVC Cover
The protective cover protects the front panel, particularly the
time setting section, against dust, dirt and water drip, as well
as prevents the set value from being altered due to accidental
contact with the time setting knob.
Note: The Y92A-48B Protective Cover is made of a hard plastic and
therefore, must be removed to change the timer set value. However,
since the Y92A-48D Protective Cover is made of PVC, the set value
can be altered by pressing on the surface of the cover.
It may be, however, difficult to make setting changes of the Timer
with the Y92A-48B Protective Cover attached, which must be taken
into consideration before using the Y92A-48B Protective Cover.
When attaching the Y92A-48A to the Timer to be panel-mounted,
use the Y92F-30 Mounting Adapter along with the Timer.
The Protective Cover cannot be, however, used for the H3CA-FA
Series.
H3CA
10
Installation
■Terminal Arrangement
■Input Connections
Signal Inputs
Connect the start input contact between terminals C and F, the
reset input contact between terminals C and G, the gate input
contact between terminals C and E, and the check input contact
between terminals C and D.
For each signal input contact, use a gold-plated contacts with high
reliability. Be sure that these input signals satisfy the following
requirements: a resistance of 1 kΩ (max.) and a residual voltage of 1
V (max.) when the contact is made.
Solid-state Signal Inputs
Connect the start input transistor between terminals C and F, the
reset input transistor between terminals C and G, the gate input
transistor between terminals C and E, and the check input
transistor between terminals C and D.
For signal input, use an open collector type transistor with
characteristics: VCEO = 20 V min., VCE(S) = 1 V max., IC = 50 mA min.
and ICBO = 0.5 µA max. In addition, be sure that the input signals
satisfy the following requirements: a resistance of 1 kΩ (max.) and a
residual voltage of 1 V (max.) when the transistor is ON, and a
resistance of 200 kΩ (min.) when the transistor is OFF.
H3CA-A H3CA-FA
(See
note
2)
(See
note
2)
**** * ***
Note: 1. *C: Check: 3-4
*G: Gate: 3-5
*S: Start: 3-6
*R: Reset: 3-7
Note: 1. *C: Check: X-E1
*G: Gate: X-D1
*S: Start: X-C1
*R: Reset: X-B1
(+) or
(-) (+) or
(-)
(+) or (-)
(+) or (-)
2. Conventional time-limit contacts are symbolized as .
However, the contacts of H3CA-A are symbolized as
because timer has 8 operation modes. 2. Conventional time-limit contacts are symbolized as .
However, the contacts of H3CA-FA are symbolized
as because timer has 8 operation modes.
H3CA
11
From a solid-state circuit (proximity sensor, photoelectric sensor, or
the like) with rated power supply voltage ranging from 6 to 30 VDC,
input signals can also be applied by other than an open collector type
transistor as shown in the following diagram. The input signal from a
solid-state circuit is applied when output transistor Tr turns ON. In
terms of signal voltage, the signal is input when it goes from a high to
low level. Again, the residual voltage should be 1 V (max.) when the
transistor is ON. As the current output from the timer to Tr is
approximately 0.1 mA, this connection is possible provided the
residual voltage is kept to a maximum of 1 V.
Note: Except for the power supply circuitry, avoid the laying of input
signal wires in parallel or in the same conduit with high-tension
or power lines. It is recommended to use shielded wires or
wiring with independent metal conduits for the shortest
possible distance.
Solid-state circuit (proximity sensor,
photoelectric sensor, etc.)
H3CA-8
(+)
(-) (+)(-)
H3CA-8H
H3CA
12
■Application Examples
Standard type H3CA is used for the following application examples. In the schematic diagrams, each thick the indicates the wiring necessary for
selecting the desired operation mode.
ON-delay Operation (A Mode)
Power-ON Start/Power-OFF Reset Signal Start/Signal Reset
(+) or (−)(+)
(+)
Flicker Operation (B Mode)
Power-ON Start/Power-OFF Reset Signal Start/Signal Reset
(+)
(+)
Signal ON/OFF-delay Operation 1 (C Mode)
t: Set time, t-a: Time within the set time
t-a
Signal OFF-delay Operation 1 (D Mode)
Signal Start/Instantaneous Operation/Time-limit Reset
(+)(+)
or (−)
(+) or (−)
or (−)
(+) or (−)
(+) or (−)
(+) or (−)
or (−)
or (−)
or (−)or (−)
(+) or (−)
Signal ON/OFF-start/Instantaneous Operation/
Time-limit Reset
H3CA
13
Signal ON/OFF-delay Operation 2 (G Mode)
Signal Start/Signal Reset
Interval Operation (E Mode)
Power-ON Start/Power-OFF Reset Signal Start/Signal Reset
One-shot and Flicker Operation (F Mode)
Power-ON Start/Power-OFF Reset
Signal OFF-delay Operation 2 (H Mode)
Signal/Instantaneous Operation/Time-limit Reset
(+)
(+)
(+) or (−)(+) or (−)
(+) or (−)
(+) or (−)
(+) or (−)(+) or (−)
(+) or (−)
(+)
or (−)
(+)
or (−)
or (−)
(+)
or (−)or (−)
Signal ON/OFF-start/Instantaneous Operation/
Time-limit Reset
H3CA
14
Safety Precautions
How to Change Operation Mode
Operate the pushbuttons of the thumbwheel switch, located at the
leftmost position on the front panel to set the operation mode. Eight
operation modes (A, B, C, D, E, F, G, and H) are selectable and the
selected operation mode is displayed in the operation mode display
window.
How to Change Time Unit and Rated
Time
Operate the pushbuttons of the rightmost thumbwheel switch to
select the desired time unit. Seven time units (0.1 s, s, 0.1 m, m,
0.1 h, h, or 10 h) are selectable and the selected time unit is
displayed in the time unit display window. The desired rated time is
specified by operating the three thumbwheel switches in the middle
of the front panel. The range of rated time is 001 to 999 for each unit.
Time Unit and Rated Time
!CAUTION
1. Do not change the time unit, rated time, or operation mode while
the timer is in operation. Otherwise, the timer may malfunction or
be damaged. Be sure to turn off the power supply to the timer
before changing the timer unit, rated time or operation mode.
2. Note that output will be generated in C, D, E, G, or H mode even if
the rated time is set to 000. No output will be generated in A, B, or
F mode.
Connecting the Operating Power
Supply
The H3CA-8@ contains a capacitor-drop power circuit. Use a
sinusoidal power supply with a commercial frequency. Do not use
power supplies with a high frequency component (such as inverter
power supplies) for Timers with 100 to 240-VAC specifications. Using
these power supplies can damage internal circuits.
The power supply connections to the H3CA-A and H3CA-FA can be
made without regard to polarity for both AC and DC power supplies;
just connect to the specified terminals (2 and 10, or A1 and A2).
When connecting a DC power supply to the H3CA-8 or H3CA-8H,
however, the polarity must be connected as indicated.
Although there is a wide range of power connectable to the H3CA-A
and H3CA-FA, be sure that there is no inductive voltage or residual
voltage applied to the timer power supply terminals (2 and 10, or A1
and A2) when the power switch is turned OFF. (Inductive voltage can
be generated in the power supply line if it is placed in parallel with
high-voltage or power lines.)
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.
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.
H3CA-8 and H3CA-8H Timers with AC specifications are equivalent
to capacitor loads. When switching the Timer power supply with an
SSR, use an SSR with a withstand voltage of twice the power supply
voltage.
Since the H3CA-8 and H3CA-8H Timers of AC specifications
externally discharges a part of internal energy when the power is
turned OFF, it may malfunction if an extremely sensitive relay is used
with the following sequence circuit.
If such a malfunction occurs, change the circuit configuration as
shown below on the right side.
Time unit Rated time
0.1 s 0.1 to 99.9 s
s 1 to 999 s
0.1 m 0.1 to 99.9 m
m 1 to 999 m
0.1 h 0.1 to 99.9 h
h 1 to 999 h
10 h 10 to 9,990 h
Note: The operation mode is fixed to "A" for H3CA-8H.
The characters are yellow.
Remaining time display
The remaining time is displayed
as a decreasing percentage
between 0% and 100%.
Time unit
selector
Time unit display
window
0.1 s, s, 0.1 m
0.1 h, h, 10 h
Rated time
selector
Rated time display
window
001 to 999
Note: The characters are yellow.
T/b
X/a
T/b
X/a
X/a
If malfunction
is expected.
H3CA
15
Input/Output
The operation of the output contacts varies with the operation
specifications. Before making connections, check the operation
specifications and operating conditions using the application
examples provided.
The H3CA-A and H3CA-FA do not use transformers. Simultaneous
inputting power from two or more power supplies to separate timers
or counters from a single input contact or transistor is not possible.
For the power supply of an input device, use an isolating transformer,
of which the primary and secondary windings are mutually isolated
and the secondary winding is not grounded.
A transformer is not used in the power supplies for the H3CA-A and
H3CA-FA. You can therefore receive an electrical shock by touching
the input terminals when the power supply voltage is being applied.
Take adequate precautions to protect against electrical shock.
Inputs to input signal terminals are made by shorting the individual
input terminals to the common terminal (terminal 3 for the H3CA-A or
terminal (X) for the H3CA-FA). Internal circuits may be damaged if
connections are made to any other terminals or if voltages are
applied.
If contacts are used to short the terminals, they will be switching a
low voltage (approximately 5 VDC) and current (approximately
100 µA). You must therefore use high-reliability contacts with a
contact resistance of 1 kΩ or less when shorted and residual voltage
of 1 V maximum when shorted.
The reset input will take priority if both the set and reset inputs are
turned ON simultaneously.
Others
Holding relays are used for outputs on the H3CA-A Series. Dropping
the Unit or otherwise subjecting it to shock can cause the relay to
reverse or to move to the center position.
How to Mount the Timer on Mounting
Track
When mounting a H3CA-FA Timer on a socket mounting track,
observe the following procedures:
Mounting
First hook portion A of the timer to an edge of the track and then
depress the timer in direction B.
Dismounting
Pull out portion C with a round-blade screwdriver and remove the
timer from the mounting track.
H3CA-A/-FA
Input
terminal Power supply
Circuit
Isolation transformer is required.
Rectifier circuit
B
AC
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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Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
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2014.6
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
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