Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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CompoWay/F Master Protocol Appendix B
CompoWay/F Message Frames and PMCR(260) Operands
The relationship between the CompoWay/F command and response frames and the operands of PMCR(260)
is shown below, using communications sequence No. 600 as an example.
Command Frame
Response Frame
Send/Receive with ASCII Conversion and with Response
The following three communications sequences are available for send/receive with ASCII conversion and
response.
Sequence
No.
Send sequence Receive sequence
600 (0258) Send word order: Rightmost to leftmost Receive word order: Leftmost to rightmost
Communications sequence No. 600 (0258 Hex)
Node No.
Command
Send data
Variable
type First read
address
PMCR(260) Instruction
Number of send data words
(Undefined) Node number
Number of send bytes
Send data
S
S+1
S+2
S+3
S+4
S+5
S+6
Subaddress
No. of
elements
#0258
"00" "0" "01" "00" "01" "C0" "0000" "0001"
Node No.
Response code
Read data
Response code
Receive data
PMCR(260) Instruction
Number of receive data words
Response code
Receive data
D
D+1
D+2
D+3
Subaddress
End code
Receive data
"00" "01" "01"
#0258
1 2 3 4
5 6 7 8
Send data words Send frame
"12" "34" "56" "78"
Rightmost word
Leftmost word
1 2 3 4
5 6 7 8
Receive data words
Receive frame
"12" "34" "56" "78"
Rightmost word
Leftmost word