310000010483 - HONEYWELL

Invensys Sensor Systems / Electro Corporation, U.S.A.

Tel. 941-355-8411 www.speed-position.invensys.com Fax 941-355-3120 ISO

9001

3042 SERIES I.S. CONTROL DRAWING 621081

HAZARDOUS LOCATIONS

Class I, Groups A, B, C, D; Class II, Groups E, F, G;

Class III: Sensor Models 3042H20 and M3042H20

Class I Groups A, B, C and D: Sensor Models 3042A and

M3042A

ENTITY PARAMETERS

Vmax = 24V, Imax = 35mA, Li = 26mH, Ci = OuF

Any barrier (see General Notes) with entity parameters

connected in accordance with barrier manufacturers

instructions of:

V max ≥Voc Ca ≥Ci + cable capacitance

I max ≥Isc La ≥Li + cable inductance

SYSTEM PARAMETERS

Any barrier (see General Notes) having one of the following

specified parameters:

Vmax Rmin Vmax Rmin Vmax Rmin

30 707 20 421 10 136

25 580 15 278 5 1

GENERAL NOTES

1. For jurisdictions requiring Certification to the applicable

Canadian Standards the barrier must be CSA Certified

and System must be installed in accordance with the

Canadian Electrical Code Part 1.

2. For jurisdictions requiring Certification to the applicable

Occupational Safety and Health Administration (OSHA)

standards the barrier must be CSA NRTL or equivalent

and system must be installed in accordance with the

National Electrical Code (NEC) article 504 or

ANSI/NFPA 70.

SENSOR GROUNDING

Models 3042A and M3042A: Sensor housing to be connect-

ed to intrinsically safe system ground during installation.

Models 3042H20 and M3042H20: Green wire to be

connected to intrinsically safe system ground

Exia = Intrinsically Safe, Securite Intrinseque

For Single Channel Barriers For Dual Channel Barriers