Intrinsically safe specifications, Ul, c-ul i/o entity parameters, Wiring methods – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 144

Publication 1797-6.5.6 - June 2005
30-2 1797-OE8H FLEX Ex 8 Output HART Analog Module
Intrinsically Safe
Specifications
For a full list of specifications, refer to FLEX Ex 8 Output Analog Module
Installation Instructions, publication 1797-5.3.
UL, C-UL I/O Entity
Parameters
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: Entity Values for Field Device Connections
ATTENTION
Do not use any unused terminals on this terminal base unit.
Using these terminals as supporting terminals can result in
damage to the module and/or unintended operation of
your system.
Operating Temperature
-20 to +70
o
C (-4 to +158
o
F)
Agency Certification
Class I Division 1 Groups A-D T4
Class I Zone 1 AEx ib[ia] IIC T4
Class II Division 1 Groups E, F, G; Class III
Certificates
UL Certificate Number 99.19699
C
US
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(-)
21.0 100.0
-
-
A, B, IIC
0.08 2.0
C, E, IIB
0.24 8.0
D, F, G, IIA
0.64 16.0