Rockwell Automation 1797-OB4D FLEX Ex 24V DC Nonisolated Source 4 Output Module - Manual (Page 21)

FLEX Ex I/O 24V DC 4 Non-Isolated Source Output Module 21
Publication 1797-5.6 - June 2011
• UL 1203, Explosion-Proof and Dust-Ignition-Proof Electrical
Equipment for Use in Hazardous (Classified) Locations
• UL 2279, Electrical Equipment for Use in Class I, Zone 0, 1, and 2
Hazardous (Classified) Locations
• UL 61010, UL Standard for Safety Electrical Equipment For
Measurement, Control, and Laboratory Use; Part 1: General
Requirements
• CSA C22.2 No. 157-92, Intrinsically Safe and Non-Incendive
Equipment for Use in Hazardous Locations
• CSA C22.2 No. 30-M1986, Explosion-Proof Enclosures for Use in
Class I Hazardous Locations
• CSA-E79-0-95, Electrical Apparatus for Explosive Gas Atmospheres,
Part 0: General Requirements
• CSA-E79-11-95, Electrical Apparatus for Explosive Gas
Atmospheres, Part 11: Intrinsic Safety “i”
• CSA C22.2 No. 14-95, Industrial Control Equipment
Wiring Methods
• Wiring method 1: Each channel is wired separately.
• Wiring method 2: Multiple channels in one cable, providing each
channel is separated in accordance with the National Electric Code
(NEC) or Canadian Electric Code (CEC).
Wiring Method
Wiring
Method Channel Terminals V
oc
(V)
I
sc
(mA)
V
t
(V)
I
t
(mA)
Groups C
a
( μF)
L
a
(mH)
1 and 2 Any one
channel
(for
example,
ch0) 0(+), 1(-) 27.4 110.0 - - A, B, IIC 0.03 2.0
C, E, IIB 0.09 8.0
D, F, G, IIA 0.24 16.0