Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 1200

Failure Diagnosis Instructions
1160
Bit Address Output (C=0@@@)
When the leftmost digit of C is set to 0, the 8-digit hexadecimal PLC memory
address of the input bit is output to R+2 and R+3. R contains two flags which
indicate whether an input bit has been found and whether it is used in a nor-
mally open or normally closed input condition.
15 14 13
R
Input type
0: Normally open
1: Normally closed
Bit Address Found Flag
0: Not found yet
1: Bit address found
15
R+1
R+2
Bit Address and Message Output (C=8@@@)
When the leftmost digit of C is set to 8, the ASCII address of the input bit is
output to R+2 to R+4. R contains two flags which indicate whether an input bit
has been found and whether it is used in a normally open or normally closed
input condition.
15 14
R
15
R+1
Register words R+2 to R+4 indicate the address of the input which prevented
the diagnostic output from being turned ON. The bit address is output to these
words in ASCII. The following table shows the ASCII representations for each
area.
Area
Auxiliary Area
Holding Area
Work Area
CIO Area
Task Flags
Timer Area
Counter Area
0
Not possible to use.
0
Not possible to use.
R+3
13
Not possible to use.
Input type
0: Normally open
1: Normally closed
Bit Address Found Flag
0: Not found yet
1: Bit address found
Not possible to use.
ASCII text
A00000 to A95915 ---
H00000 to H51115 ---
W00000 to W51115 ---
000000 to 665515 ---
TK0000 to TK0031 ---
_T0000 to _T4095 The "_" represents an ASCII
space.
_C0000 to _C4095
(Character code 20.)
Section 3-30
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0
Notes