Omron CJ1W-SCU41, Руководство по эксплуатации

Страница: 234 / 526

215
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.)
Send with No Conversion and with Response
(Sequence No. 602 (Hex 025A))
This sequence sends the specified data beginning with the command code 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))
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0005 to 00FA Hex (5 to 250 decimal)
+1 (Undefined) Node No. (2 digits
BCD) 00 to 99
+2 MRC
(2 digits Hex)
SRC
(2 digits Hex) Set the command code for the required ser-
vice
+3 Number of send bytes (4 digits Hex) Number of data bytes from the next byte
after the command code until the byte just
before the ETX.
0000 to 01EC Hex (0 to 492 decimal)
+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 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.
+2
on Receive data (Hex) The data from just after the response code
until just before the ETX is stored here with-
out conversion.
+0 +1
+2 +3
+4 +5
+6 etc.
1 2 3 4
5 6 7 8
Send data words Send frame
"56" "78" "12" "34"
Send data
First word of
send data
Number of send data words
+0
+1
+2
+3
+4
(Undefined)
MRC SRC
Number of send bytes
Node No.
Receive data
storage words Number of receive data words
+0
+1
+2
Response code
Receive data