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5. NON
PROCEDURE
PROTOCOL
COMMUNICATIONS
MELSEC QnA
Trainer operation
@) Set the AJ71 QC24 mode switches and transmission specifications switches and the
bar code reader switches to the specified values.
(See item
for the QC24 switch settings and item
1311
for the bar code reader
switch settings.)
@
Write the sequence program shown in item
to the PC CPU.
After writing, set the PC CPU to "RUN".
@
Read the bar code value with the bar code reader.
To check the read data, monitor it with the GPPQ.
Device
DO
Device
D
O D
000:
D
1
3230
mm
mD
D
3
3934
DmD
mD
D
2
0007
DDD
A
E
Value : Hexadecimal
Display 16Bit
D
4
3030
mm
3237
mm
mm
mmm
D
5
3739
W m
.Dm
DDH
D
7
3036
Hm
mm
D
6
mB
W H
D
8
B D W
0034
D
9
0000
D
10
coco
r)
1 1
m o o
I
The receive data is stored to D2 to D8. Check if the header frame (STX:02H) and
trailer frame (ETX:03H) were removed from the received data.
@
Check if the bar code No. was stored to the Y40 to Y6F I/O panels.
I
I
I
I
I
I
I
I
I
I
Y5F
Y50
Y4F
Y40
Y6F
Y 60
5
-
25
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