Omron SYSMAC CJ1W-SCU21-V1, Руководство по эксплуатации

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V500/V520 Bar Code Reader Protocol Appendix M
Receive Data Word Allocation (4th Operand of PMCR(260))
None.
General-purpose Command 2 (Sequence No. 366 (Hex 016E))
This general-purpose command is used to send data with a specified data length, and receive back ACK in
addition to other receive data. The frame format of the receive data, however, has to contain STX and ETX.
STX and ETX are automatically attached to the send data.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Storage Word Allocation (4th Operand of PMCR(260))
Note Shown below is the receive data frame format. The reception data without ACK, STX, and ETX is stored.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0003 to 00FA (3 to 250 decimal)
+1 Send data byte length
(4 digits Hex) 0001 to 01F0 (1 to 496 decimal)
The byte length of the send data excluding STX and
ETX.
+2 to
+249 Send data (ASCII) Inscribe send data up to 496 bytes (max.) by ASCII.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0003 to 00FA (3 to 250 decimal)
+1 Send data byte length
(4 digits Hex) 0001 to 01F0 (1 to 496 decimal)
The byte length of the send data excluding STX and
ETX.
+2 to
+128 Send data (ASCII) Set send data up to 496 bytes (max.) by ASCII.
Offset Contents (data format) Data
+0 Number of receive data
words (4 digits Hex) 0001 to 00FA (1 to 250 decimal)
+1 to
+127 Receive data (ASCII) Up to 498 bytes of ASCII receive data are stored.
Send data
Send data
+0
+1
+2
+3
+248
+249
Number of send data words First word of
send data
~ ~
Send data
Send data
Send data byte length
Receive data
Receive data
+0
+1
+2
+126
+127
Number of receive data words Receive data
storage words
~ ~
Receive data
Receive data
Receive data (498 bytes max.)
ACK
STX ETX