Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 358 / 478

A Standard System Protocol
R-24
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Receive Data Word Allocation (4th Operand of PMCR(260))
The received frames are stored in order from the leftmost word to rightmost word of the I/O memory
address.
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 CompoWay/F command response code will
be stored in hexadecimal code
+2
on Receive data (4 digits hex) The data from just after the response code until
just before the ETX is converted from ASCII to
hexadecimal and stored in order from the leftmost
word to the rightmost word.
Receive data
storage words
+0
+1
+2
on
Number of receive data words
Response code
Receive data
1 2 3 4
5 6 7 8
Receive data words
Receive frame
"12" "34" "56" "78"
Rightmost word
Leftmost word