A a a 1 2 3, E e e 9 9 9 – KEYENCE DV-90 User Manual
Page 84
4-24
E DV-90-IM
4
Ba
si
c
Func
tions
4-5 3-Point-A Verification Function
Working with the 3-Point-A Verification Function (Verification Mode)
The operation using the 3-point-A verification function is as follows.
The screens and the illustrations are examples for verification with the master data in Record num-
ber 1.
1
The screen is displayed as shown on
the right.
Parallel output LEDs 9-12 illuminate to indi-
cate that they are in the waiting state for the
First reading. At this time, OUT9 to 12 of the
actual parallel output are turned ON.
2
Read the barcode.
(First data reading)
This is verified with Master data 1.
z
At Verify OK
The unit enters the waiting state for the Sec-
ond reading. OUT9 to 12 of the parallel out-
put are turned OFF and OUT5 to 8 are
turned ON.
z
At Select Master NG
OUT1 to 12 representing “998” are turned ON
(NG and Select Master NG). Then the unit
returns to the waiting state for the First reading.
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
( R e a d y t o R e a d )
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
[Verify OK]
A A A 1 2 3
OK
NG
12
11
10
9
8
7
6
5
4
3
2
1
ERR
E E E 9 9 9
[Verify NG]