Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 626

ES100 @ Digital Controller Protocol
Receive Data Word Allocation (4th Operand of PMCR(260))
Receive data
storage words
Note 1. At transmission, a header code "@" is attached before the data and the FCS and a terminator "*"CR
are attached following the send data.
2. At reception, data excluding the header code "@" at the beginning of the receive data and the FCS
and terminator "*"CR at the end of the data is stored in the receive data storage words.
3. Refer to the manual for the ES100@ for the contents of send data and receive data.
Offset Contents (data format)
+0 Number of send data words
(4 digits Hex)
+1 Number of send data bytes
(4 digits Hex)
+2 Send data (2 characters ASCII)
+249 Send data (1 character ASCII)
(max.)
+0
Number of receive data words
+1
Receive data (ASCII)
Receive data (ASCII)
+2
~
+249 Receive data
Offset Contents (data format)
+0 Number of receive data words
(4 digits Hex)
+1 Receive data
(2 characters ASCII)
+249 Receive data
(max.) (1 character ASCII)
+0
First word of send
data
+1
+2
+3
+4
+5
First word of send
data
@ABCDEFG[FCS]*CR
2 bytes
•
•
•
~
(Undefined) (max. = 251 characters)
•
•
•
0006
0007
"AB"
@ABCDEFG[FCS]*CR
"CD"
2 bytes
"EF"
"GH"
0006
+0
+1
0007
+2
"AB"
+3
"CD"
"EF"
+4
+5
"G"
Appendix K
Data
0003 to 00FA (3 to 250 decimal)
0001 to 01F0 (1 to 496 decimal)
The number of send bytes not including @,
the FCS, or the terminator.
Refer to the manual for the ES100@.
Use ASCII (Up to 496 characters total.)
Data
0001 to 00FA (1 to 250 decimal)
Refer to the manual for the ES100@.
Returned as ASCII (Up to 498 characters
total.)
597