Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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Intelligent Signal Processor Protocol Appendix L
Receive Data Word Allocation (4th Operand of PMCR(260))
The work allocation is similar to sequence No. 337 (Model Data Read (by Unit Number)).
General-purpose Command (Sequence No. 339 (Hex 0153))
Sends the specified data and writes the receive data to the receive data words. The characters such as “@”,
FCS, terminators need not be set in the send and receive data words. These characters will be automatically
added for transmission and automatically removed before saving data.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (3rd Operand of PMCR(260))
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0003 to 00FA (3 to 250 decimal)
+1 Send data byte length (4 digits BCD) 0001 to 01F0 (1 to 496 decimal)
Number of bytes of send data not including
@, the FCS, and the terminator.
+2 to
+249 Send data (ASCII) ASCII
Send data: 496 characters max.
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits Hex) 0001 to 00FA (1 to 250 decimal)
+1 to
+249 Receive data (ASCII) ASCII
Receive data: 498 characters max.
Send data byte length
+0
+1
+2
+3
+249
Number of send data words First word of
send data
~ ~
Send data
Send data
Send data
+0
+1
+2
+3
+249
Number of receive data words Receive data
storage words
~ ~
Receive data
Receive data
Receive data
Receive data