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CompoWay/F Master Protocol Appendix B
Receive Data Word Allocation (4th Operand of PMCR(260))
None. (Specify a dummy value for the operand, such as #0000.)
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))
+4
on
Send data The data specified in hexadecimal here is
not converted and the number of bytes
specified in S+3 is sent.
+0 +1
+2 +3
+4 +5
+6 etc.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex)
0006 to 00FA Hex (6 to 250 decimal)
+1 Always 00 Hex Node No. (2 digits
BCD)
00 to 99
+2 MRC
(2 digits Hex)
Subaddress
(2 digits Hex)
Specify the subaddress of the device being
communicated with.
+3 Always 00 Hex SID (1 digit Hex) Set the service ID of the required service
(e.g., retries).
+4 Number of send bytes (4 digits Hex) Number of data bytes from the MCR until
the byte just before the ETX.
0000 to 01EA Hex (0 to 490 decimal)
+5
on
Send data The data specified in hexadecimal here is
not converted and the number of bytes
specified in S+4 is sent.
+0 +1
+2 +3
+4 +5
+6 etc.
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits Hex)
0003 to 00FA Hex (3 to 250 decimal)
+1 Response code (4 digits Hex) The response code will be stored in hexa-
decimal form.
Offset Contents (data format) Data
Send data
First word of
send data
Number of send data words
+0
+1
+2
+3
+4
+5
(Undefined)
(Undefined)
Number of send bytes
(Undefined)
SID
Node No.
Subaddress
Receive data
storage words
Number of receive data words
+0
+1
+2
Response code
Response data
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