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A Standard System Protocol
R-32
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 the rightmost word of the I/O
memory address.
Offset
Contents (data format)
Data
+0
Number of receive data words
0006 to 00FA Hex (6 to 250 decimal)
+1
Response code (4 digits hex)
The CompoWay/F command response code is stored in
hexadecimal code.
+2
Parameter type (4 digits hex)
The parameter type is stored in hexadecimal code.
+4
First read address (4 digits hex)
The first read address is stored in hexadecimal code.
+5
on
Read data (4 digits hex)
The read data is stored.
+0
+1
+2
Parameter type
First read address
Number of elements
Number of receive data words
Response code
+3
+4
Receive data
storage words
Read data
+5
on
1 2 3 4
5 6 7 8
Receive data words
Receive frame
"12" "34" "56" "78"
Rightmost word
Leftmost word