I/O Memory Mapping - Allen-Bradley Compact 1769-OB32 Installation Instructions Manual

32-point solid-state 24v dc source output module
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12
Compact 32-point Solid-state 24V dc Source Output Module
Wire Size and Terminal Screw Torque
Each terminal accepts as many as two wires with these restrictions:
Wire Type
Solid
Cu-90°C (194°F)
Stranded
Cu-90°C (194°F)

I/O Memory Mapping

Output Data File
For each module, slot x, word 0 in the output data file contains the control
program's directed state of the discrete output points.
15
14
13
0
w
w
w
1
w
w
w
w = write
Output Module's Input Data File
For each module, slot x, input data file word 0 contains the state of the module's
output data (output data echo) file word 0. During normal operation, these input
bits represent the logic state that the outputs are directed to by the control program.
They are also dependent upon the:
• Program Mode configuration (if supported by the controller)
• The Fault Mode configuration (if supported by the controller)
15
14
13
0
r
r
r
1
r
r
r
r = read
Publication 1769-IN031A-EN-P - April 2003
Wire Size
#14 to #22 AWG
#16 to #22 AWG
12
11
10
9
w
w
w
w
w
w
w
w
12
11
10
9
r
r
r
r
r
r
r
r
Terminal Screw
Torque
0.68 Nm (6 in-lbs)
0.68 Nm (6 in-lbs)
Bit Position
8
7
6
5
w
w
w
w
w
w
w
w
Bit Position
8
7
6
5
r
r
r
r
r
r
r
r
Retaining Screw
Torque
0.46 Nm (4.1 in-lbs)
0.46 Nm (4.1 in-lbs)
4
3
2
1
w
w
w
w
w
w
w
w
4
3
2
1
r
r
r
r
r
r
r
r
0
w
w
0
r
r

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