Omron CJ1W-SCU32 Operation Manual page 406

A Standard System Protocol
Log Data Output Request (V500) (Sequence No. 356 (Hex 0164))
This sequence requests output of the log data sent to host.
Send Data Word Allocation (3rd Operand of PMCR(260))
First word of
send data
Offset
+0 Number of send data words
(4 digits Hex)
+1 Number of data (2 digits BCD)
Receive Data Word Allocation (4th Operand of PMCR(260))
First word of
receive data
Offset
+0 Number of receive data words
(4 digits Hex)
+1 to Log data (ASCII)
+249
Additional Information
No retries are performed for this sequence.
R-72
+0 Number of send data words
Number of data
+1 (Undefined)
Contents (data format)
+0
Number of receive data words
+1
Log data
+2
Log data
Log data
+248
Log data
+249
Contents (data format)
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
0002 (fixed)
01 to 99
0001 to 00FA (1 to 250 decimal)
Log data with the number of designated data is stored includ-
ing the separator GS (1D).
If the log data (including separator) exceeds 498 bytes, only
498 bytes are stored.
Data
Data