Omron CS1W-SCU21 Operation Manual page 236

CompoWay/F Master Protocol
General-purpose Send with No Conversion and with Response
(Sequence No. 604 (Hex 025C))
This sequence sends the specified data beginning with the subaddress and SID to the specified Unit. The
response is stored starting at the specified word. No conversions are performed on the send and receive data.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
+0
First word of Number of send data words
send data
+1
(Undefined)
+2
(Undefined)
+3
(Undefined)
+4
+5
Offset Contents (data format)
+0 Number of send data words
(4 digits Hex)
+1 Always 00 Hex
+2 MRC
(2 digits Hex)
+3 Always 00 Hex
+4 Number of send bytes (4 digits Hex)
+5 Send data
on
+0
+2
+4
+6 etc.
Receive data +0 Number of receive data words
storage words
+1
+2
Offset Contents (data format)
+0 Number of receive data words
(4 digits Hex)
+1 Response code (4 digits Hex)
+2 Receive data
on
+0
+2
+4
+6 etc.
Node No.
Subaddress
SID
Number of send bytes
Send data
0006 to 00FA Hex (6 to 250 decimal)
Node No. (2 digits 00 to 99
BCD)
Subaddress Specify the subaddress of the device being
(2 digits Hex) communicated with.
SID (1 digit Hex) Set the service ID of the required service
(e.g., retries).
Number of data bytes from the MCR until
the byte just before the ETX.
0000 to 01EA Hex (0 to 490 decimal)
The data specified in hexadecimal here is
not converted and the number of bytes
+1
specified in S+4 is sent.
+3
+5
Response code
Response data
0003 to 00FA Hex (3 to 250 decimal)
The response code will be stored in hexa-
decimal form.
The data from just after the response code
until just before the ETX is stored here with-
+1
out conversion.
+3
+5
Appendix B
Data
Data
217