Rockwell Automation 1797-OE8 FLEX Ex Analog Modules User Manual - Manual (Page 84)

Publication 1797-6.5.1 - May 2005
A-4 Specifications
1797-IE8 and -IE8NF UL, C-UL I/O Entity Parameters
If this product has the UL/C-UL mark, it has been designed, evaluated, tested,
and certified to meet the following standards:
• UL 913, 1988, Intrinsically Safe Apparatus and Associated Apparatus
for Use in Class I, II, and III Division 1, Hazardous (Classified)
Locations
• 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 508, Industrial Control Equipment
• 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).
Table 1
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
e.g. ch0
0(+), 1(sig) 23.7 92.5 - - A, B, IIC 0.06 2.0
C, E, IIB 0.18 8.0
D, F, G, IIA 0.48 16.0
1(sig), 2(-) 5 1.0 - - A, B, IIC 100 1000
C, E, IIB 300 1000
D, F, G, IIA 800 1000
0(+), 1(sig), 2(-) - - 23.7 93.5 A, B, IIC 0.06 2.0
C, E, IIB 0.18 8.0
D, F, G, IIA 0.48 16.0