Rockwell Automation 1797-IE8NF FLEX Ex 8 Input Analog, HART and Noise Filter Module - Manual (Page 44)

44 FLEX Ex 8 Input Analog, HART, and Noise Filter Analog Modules
Publication 1797-5.5 - September 2011
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
(
μ
F)
L
a
(mH)
1 and 2 Any one
channel,
for
example,
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
FLEX Ex Analog
Input I/O Module
Indicators
Female Bus
Field Wiring
Terminal Base
Terminal Base
Key
Male Bus
Connection
Key Position for
Terminal Base
Insertion
42055