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Appendix JV500/V520 Bar Code Reader Protocol
316
Send Data Word Allocation (2nd Operand of PMCR)
Send data
Send data
+0
+1
+2
+3
+127
+128
Number of send data wordsFirst word of
send data
~ ~
Send data
Send data
Send data byte length
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
0003 to 0129
+1 Send data byte length
(3 digits BCD)
1 to 254
The byte length of the send data excluding STX and
ETX.
+2 to
+128
Send data (ASCII) Set send data up to 254 bytes (max.) by ASCII.
Receive Data Storage Word Allocation (3rd Operand of PMCR)
Receive data
Receive data
+0
+1
+2
+126
+127
Number of receive data wordsReceive data
storage words
~ ~
Receive data
Receive data
Offset Contents (data format) Data
+0 Number of receive data
words (4 digits BCD)
0001 to 0128
+1 to
+127
Receive data (ASCII) If the receive data exceed 253 bytes, only 253 bytes
are stored.
Note Shown below is the receive data frame format. The reception data without ACK, STX, and ETX is stored.
Receive data (253 bytes max.)
ACK
STX ETX