Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 312)

312 Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
1756-OF4
ControlLogix voltage/current output analog module
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
i
Current
Output
Load
Shield
Ground
1756-OF4 Current
Not Used
Not Used
RTN
Not Used
Not Used
Not Used
RTN
Not Used
Not Used
Not Used
VOUT-0
IOUT-0
RTN
VOUT-1
VOUT-2
IOUT-2
RTN
VOUT-3
IOUT-1
IOUT-3
A
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
+
–
Shield
Ground
1756-OF4 Voltage
Not Used
Not Used
RTN
Not Used
Not Used
Not Used
RTN
Not Used
Not Used
Not Used
VOUT-0
IOUT-0
RTN
VOUT-1
VOUT-2
IOUT-2
RTN
VOUT-3
IOUT-1
IOUT-3
· Place additional loop devices (such as strip chart recorders) at
the A location noted above.
· Do not connect more than two wires to any single terminal.
· All terminals marked RTN are connected internally.
· Do not connect more than two wires to any single terminal.
· All terminals marked RTN are connected internally.
Input Signal to User Count Conversion - 1756-OF4
Range Low Signal and User Counts High Signal and User Counts
0...20 mA 0 mA
-32768 counts
21.2916 mA
32767 counts
±10V -10.4336V
-32768 counts
10.4336V
32767 counts
Technical Specifications - 1756-OF4
Attribute 1756-OF4
Outputs 8 voltage or current
Output range ±10.4V
0…21 mA
Resolution Voltage: 15 bits across 10.5V, 320
μ
V/bit
Current: 15 bits across 21mA, 650 nA/bit
Current draw @ 5.1V 150 mA
Current draw @ 24V 120 mA
ANALOG OUTPUT
CAL
OK