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Error Codes and Monitoring Section 7-2
7-2 Error Codes and Monitoring
The following show how it is possible to monitor errors using SR words.
C120 Systems
15
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit no.
Word 59
Error Location Bits 8 to 15
Indicates the
Master by mount-
ing location.
B0 is the leftmost
Master on the
Rack.
B0 to B3
Refers to the
Remote Terminal
word number.
Definition
00 to 31
Bits 4 to 7 Definition
Indicates a failure
in the Master.
Indicates a failure
in Slave #0.
Indicates a failure
in Slave #1.
8Master or Slave
0
Remote Terminal
1
0, 1
Indicates a failure
in the Remote
Terminal.
Remote I/O Error flag
OO
Error Check bit
The Error Check bit can be turned ON and OFF to read errors when they
have occurred in more than one Unit.
The Remote I/O Error flag indicates that an error has occurred in one of the
Remote Units. This flag also turns ON for errors in optical Remote I/O Sub-
systems.
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