Ul, c-ul i/o entity parameters, Ul, c-ul i/o entity parameters -3, Wiring methods – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 111: Wiring method channel terminals v, V) i, Ma) v, Ma) groups c, Μ f) l
Publication 1797-6.5.6 - June 2005
1797-IBN16 FLEX Ex 16 NAMUR Input Module 24-3
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
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(-)
14.5 15
-
-
A, B, IIC
0.3
80.0
C, E, IIB
0.9
320.0
D, F, G, IIA
2.4
640.0
IMPORTANT
A terminal base may or may not have an I/O module
installed.
1797- IBN16
Allen-Bradley
B
-
A
7
PWR
6
5
4
3
2
1
0
9
8
11
10
13
12
15
14
6
16 Point NAMUR Input Module
6
FLEX Ex NAMUR
Input I/O Module
LEDs
Female Bus
Connection
Field Wiring
Terminals
Terminal
Base
Terminal
Base Key
Male Bus
Connection
Key Position for
Terminal Base
Insertion
42060