User manual

Publication CIG-WD001B-EN-P - May 2005
7-8 1756 ControlLogix I/O Modules
+
–
1
2
3
4
56
78
910
1112
1314
1516
1718
1920
VOUT-1
IN-1/I
RTN-1
VOUT-3
IN-3/I
RTN-3
Not used
VOUT-5
IN-5/I
RTN-5
VOUT-0
IN-0/I
RTN-0
VOUT-2
IN-2/I
RTN-2
Not used
VOUT-4
IN-4/I
RTN-4
4-Wire
Transmitter
24V dc
Shield ground
+
–
NOTE S:
1. If separate power sources are used, do not exceed the
specified isolation voltage.
2. Do not connect more than 2 wires to any single terminal.
3. Place additional loop devices (e.g. strip chart recorders) at
either A location in the current loop.
i
A
A
1
2
3
4
56
78
910
1112
1314
1516
1718
1920
+
–
i
A
A
1. Place additional loop devices (e.g. strip chart recorders, etc.) at either A location.
2. If separate power sources are used, do not exceed the specified isolation voltage.
2-Wire
Transmitter
IN-1/V
IN-1/I
RET-1
IN-3/V
IN-3/I
RET-3
Not used
IN-5/V
IN-5/I
RET-5
IN-0/V
IN-0/I
RET-0
IN-2/V
IN-2/I
RET-2
Not used
IN-4/V
IN-4/I
RET-4
NOTES:
1756-IF6I - Current Application with 2-Wire Transmitter
1756-IF6CIS - 4-Wire transmitter connected to the module and an
external, user-provided power supply providing 24V dc loop power
+
–
1
2
3
4
56
78
910
1112
1314
1516
1718
1920
i
1. Place additional loop devices (e.g. strip chart recorders, etc.) at either A location.
A
A
IN-1/V
IN-1/I
RET-1
IN-3/V
IN-3/I
RET-3
Not used
IN-5/V
IN-5/I
RET-5
IN-0/V
IN-0/I
RET-0
IN-2/V
IN-2/I
RET-2
Not used
IN-4/V
IN-4/I
RET-4
Shield Ground
4-Wire
Transmitter
NOTES:
2. Do not connect more than 2 wires to any single terminal.
+
–
12
3
4
5
6
78
9
10
1112
13
14
15
16
1718
1920
Device
External
Power
Voltage Input
Shield Ground
User Analog
Input Device
IN-1/V
IN-1/I
RET-1
IN-3/V
IN-3/I
RET-3
Not used
IN-5/V
IN-5/I
RET-5
IN-0/V
IN-0/I
RET-0
IN-2/V
IN-2/I
RET-2
Not used
IN-4/V
IN-4/I
RET-4
NOTES:
Do not connect more than 2 wires to any single terminal.
1756-IF6I - Current Application with 4-Wire Transmitter 1756-IF6I - Voltage Application