87
Error Codes and Monitoring
Section 7-2
Using the following System, let’s assume an error has occurred in word 62,
that this word has been allocated to a Remote Terminal (word 30 in the Sub-
system of the Master with a word multiplier of 1), and the Master is set in
CONTINUE mode.
Remote Terminal
16 pts.
16 pts.
32 pts.
16 pts.
16 pts.
IR 5
IR 4
IR 2 & 3
IR 1
IR 0
16 pts.
16 pts.
16 pts.
IR 12
IR 11
IR 10
32 pts.
16 pts.
16 pts.
IR 8 & 9
IR 7
IR 6
Slave
Master
Word
multiplier
0
C500 or
C2000
Expan-
sion I/O
Rack
C1000H and C2000H CPU Rack
Remote Terminals
Set word: 30
Allocated word: 62
Set word: 31
Allocated word: 63
Set word: 31
Allocated word: 31
Word multiplier 1
Word 251 shows the following data.
Bit no.
IR 251
O
O
O
1
O
O
O
O
O
1
1
O
O
1
O
O
3
0
2
8
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Monitoring word 251 with the Programming Console produces the following
display.
Indicates a remote I/O error.
Indicates word setting of 30 (allocated word 62) with word multiplier at 1.
Locating Errors: C1000H
and C2000H Systems