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Error Codes and Monitoring
Locating Errors: C120 and
C500 Systems
Master
CPU Rack
IR 7
16 pts.
IR 5 & 6
32 pts.
IR 1, 2, 3, & 4
64 pts.
IR 0
16 pts.
15
14 13 12 11
Bit no.
Word 59
O
O
1
2
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Using the following system, let's assume an error has occurred in word 28
and that word 28 has been allocated to a Remote Terminal.
32 pts.
Slave
32 pts.
#0
16 pts.
16 pts.
IR 28 set.
Remote Terminals
Word 59 shows the following data.
10
9
8
7
O
1
O
O
O
O
8
Monitoring word 59 with the Programming Console reveals the following
data.
Indicates a remote I/O error.
Indicates Remote Terminal word 28.
IR 12 & 13
IR 10 & 11
IR 9
IR 8
IR 31 set.
Slave #1
6
5
4
3
2
1
O
O
O
1
O
O
0
8
Section 7-2
IR 19
16 pts.
IR 18
16 pts.
IR 14,
64 pts.
15, 16, &
17
0
O
87
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