Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 155
Publication 1797-6.5.6 - June 2005
1797-IJ2 FLEX Ex Frequency Input Module 32-3
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
6, 7;
9, 8;
23, 24
26, 25
14.7 15.0
-
-
A, B, IIC
0.62
80.0
C, E, IIB
1.82
320.0
D, F, G, IIA
4.96
640.0
1 and 2
Any one
channel
5, 3;
10, 12;
22, 20;
27, 29
14.7 10.0
-
-
A, B, IIC
0.62
150.0
C, E, IIB
1.82
600.0
D, F, G, IIA
4.96
1200.0
1 and 2
Any one
channel
5, 3, 6, 4;
10, 12, 9, 11;
22, 20, 21, 23;
27, 29, 26, 28
14.7 10.0
-
-
A, B, IIC
0.62
150.0
C, E, IIB
1.82
600.0
D, F, G, IIA
4.96
1200.0
1 and 2
Any one
channel
0, 2, 3;
1, 2, 3;
14, 12, 13;
15, 12, 13
26.5 82.0
-
-
A, B, IIC
0.095
2.0
C, E, IIB
0.285
8.0
D, F, G, IIA
0.76
16.0
Wiring
Method
Channel
Terminals
V
max
(V)
I
max
(mA)
Groups
C
i
(
µF)
L
i
(mH)
1 and 2
Any one
channel
17, 18, 37
or
31, 32, 46
28
93.0
A, B, IIC
0.0
0.0
C, E, IIB
0.0
0.0
D, F, G, IIA
0.0
0.0
IMPORTANT
A terminal base may or may not have an I/O module
installed.
1797- IJ2
Allen-Bradley
B
-
A
7
PWR
6
5
4
3
2
1
0
1
2 Point Frequency Input Module
FLEX Ex Frequency
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
42066