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5.4. Error Information
5.4.
Error Information
5.4.
5.4.
Error Information
Error Information
When an error has occurred, the information can be input from the AD-4402 to PLC
memory with "Error information (60)" of the "Read command".
There are the "Error No." and the "Error flag" in an error code. There are four error
code types in the "Command reply data".
Caution
Data of "unused bit" is an undefined value.
Refer to AD-4402 instruction for the detail of the error code, too.
Error Information in IN DATA
bit15 14
Fifth ch
Not used
Zero error flag
0: normal, 1: error
bit15 14
Sixth ch
Not used
Alarm 2 error flag
0: normal, 1: error
Error No.
Type
No.
The weighing sequence stoped.
0
Cope with cause and restart the sequence.
Safety check can not be completed.
1
Check the safety.
Under weight or over weight.
2
Compensate weight and restart.
There is a conflict in setpoint
3
Check setpoint
Time over of batch weighing.
Weighing
4
Check the gate and hopper remains.
sequence
Time over of discharge.
error No.
5
SQ.ERR
Check the discharge gate.
The remains are not enough to weigh.
6
Add material.
7
When the batch is started, the weight is full already.
Nozzle is touching the hopper.
8
Check the nozzle.
9
There is no tare (vessel) on the weighing pan.
AD-4402 OP-21
13
12
11
10
8
4
Zero error No.
Weighing sequence error flag
13
12
11
10
8
4
Alarm 2 error No.
Page 15
9
8
7
6
2
1
Not used
0: normal, 1: error
Weighing sequence error No.
9
8
7
6
2
1
Not used
Alarm 1 error flag
0: normal, 1: error
Cause and Treatment
5
4
3
2
8
4
5
4
3
2
8
4
Alarm 1 error No.
1
0
2
1
1
0
2
1
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