Omron Sysmac CJ Series Connection Manual page 55

 Send/receive messag
[O verview of send/receive message]
S end message
PLC
Receive message
[Relationship between send area S (PMCR instruction operand) and send message]
CPU→Communications Unit
Communications Unit → Destination device
Send message
[Re lationship between receive message and receive are
Destination device →Communications Unit
Communications Unit → CPU
e
* * *
Data
* * * *
Data
+0 word
Bit
15
* * *
Send area:S
No. of send
area words
*
*
Receive message
No. of receive
area words
Bit
15
* *
Receive area: R
+0 word
* * * CR
Terminator
CR
* *
+1 word
0 15 0 15
* * * * * *
* * *
Data
a R (PMCR instruction operand)]
* * *
Data
0 15
* * * * * *
+1 word
9. Program
LF
Destination
device
LF
Terminator
+2 words +(n-1) word
0 15
* * * * * *
* * CR LF
Terminator
* * CR
Terminator
0 15 0 15
* * * * * *
+2 words +(n-1) ords
0
*
LF
0
* *
w
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