Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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Appendix M
V500/V520 Bar Code Reader Protocol
The V500/V520 Bar Code Reader Protocol is used to make various settings or control remotely the Bar Code
Reader connected the Serial Communications Unit/Board via RS-232C cable.
Protocol Configuration
The configuration of the V500/V520 Bar Code Reader Protocol is shown below.
Sequence
No.
Communications
sequence name
Function Ladder interface
Send word
allocation
Receive word
allocation
350 (015E) BCR read start Instructs the Reader to start a BCR read. No No
351 (015F) BCR read stop Instructs the Reader to stop a BCR read. No No
352 (0160) Data read Data read by the Reader is received and
saved in the receive words. No Yes
353 (0161) Complete data read Instructs the Reader to start a read. After
the data read by the Reader is received and
saved to the receive words, reading is
stopped. No Yes
354 (0162) BCR function write
(V500) Writes the operation mode and read func-
tions. Yes No
355 (0163) BCR function read
(V500) Reads the operation mode and read func-
tions. No Yes
356 (0164) Log data output request
(V500) Requests output of log data sent to host. Yes Yes
357 (0165) Preset data set (V500) Writes preset data. Yes No
358 (0166) BCR connection confir-
mation (V500) Confirms if the Reader is correctly set. No No
359 (0167) Log data clear (V500) Clear log data. No No
360 (0168) Continuous data read
(scan) (V500) Performs the following operations repeat-
edly: starts reading, receives data read by
the Reader, saves the data to the receive
words by the scan method. No Yes
361 (0169) Continuous data read
(interrupt) (V500) Performs the following operations repeat-
edly: starts reading, receives data read by
the Reader, saves the data to the receive
words by the interrupt method (interrupt
No.100). No Yes
362 (016A) BCR initialize Clears the log, confirms BCR connection,
and sets BCRs. Yes No
363 (016B) Continuous data read
(scan) (V520) Performs the following operations repeat-
edly: starts reading, receives data read by
the Reader, saves the data to the receive
words by the scan method. No Yes
364 (016C) Continuous data read
(interrupt) (V520) Performing the following operations repeat-
edly: starts reading, receives data read by
the Reader, saves the data to the receive
words by the interrupt method (interrupt
No.100). No Yes
365 (016D) General-purpose com-
mand 1 Used to send data of a specified data
length, and receive only ACK as the receive
data. Yes No
366 (016E) General-purpose com-
mand 2 Used to send data of a specified data
length, and receive ACK together with the
return of other receive data. The frame for-
mat of the receive data, however, has to
contain STX and ETX. Yes Yes