Example Of Remote Output Reset Control - Allen-Bradley 1747-SN User Manual
Remote i/o scanner
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Also See for 1747-SN:
- Installation instructions manual (12 pages) ,
- Installation instructions manual (13 pages)
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4–18
Scanner Configuration and Programming
G File
Device Address, Word 1
M0 (Control) File
Logical Rack 0 Remote Output Reset Word 24
Logical Rack 1 Remote Output Reset Word 25
Logical Rack 2 Remote Output Reset Word 26
Logical Rack 3 Remote Output Reset Word 27
Publication 1747 6.6 - July 1996
Example of Remote Output Reset Control
By default the scanner sets the bits in M0:e.24 through M0:e.27 to 1
wherever there are configured devices present. This commands all
devices' outputs to reset regardless of their Hold Last State switch.
The application program can remove commanded reset of devices by
resetting bits to 0.
RIO Rack 3
Starting Group
6
4
0
0
15
14
Bit Number (decimal)
x
x
x
x
x
x
x
x
RIO Rack 2
Starting Group
2
0
6
4
2
0
1
0
0
0
1
0
13
12
11
10
9
8
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
e = slot number of the SLC rack containing the scanner
x = not used/defined
RIO Rack 1
RIO Rack 0
Starting Group
Starting Group
6
4
2
0
6
4
0
0
0
1
1
0
7
6
5
4
3
2
x
x
x
x
1
0
x
x
x
x
0
0
x
x
x
x
0
0
x
x
x
x
0
0
2
0
0
1
1
0
M0 File
0
1
M0:e.24
0
1
M0:e.25
1
0
M0:e.26
1
0
M0:e.27
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