4 step verification function – KEYENCE DV-90 User Manual
Page 79
4-19
4
E DV-90-IM
Ba
si
c
Func
tions
4-4 Step Verification Function
3
Read the barcode.
(Second reading)
Compares and verifies the data from both read-
ings, OK or NG is output according to the
result.
z
At Verify OK
The OK sign is turned ON. OUT1 to 12 are
turned OFF (Output number 000).
z
At Verify NG
Outputs representing “999” (NG and Verify
NG) are turned ON.
4
The unit returns to the waiting state for
the next set of data.
OUT9 to 12 are turned on again.
The procedure for the First reading repeats.
Note
When the read error check is set, if a reading
error occurs with the BL-1300/700/600/500/180
and the SR-600/500, the record number LEDs
and the LCD display the screen as shown on the
right, and OUT1 to 12 on the parallel output are
turned ON by the output number representing
READ_ERR and the reading error.
If the read error occurs at the time of the First
reading, the process starts over from the First
reading.
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
[Verify OK]
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
[Verify NG]
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
R e a d E r r o r ( C R 1 )