A&D Device Net.Interface AD-4402 OP-21 Instruction Manual - page 17
AD-4402 OP-21
Page 15
5.4.
5.4.
5.4.
5.4.Error Information
Error Information
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
13
12
11
10
9
8
7
6
5
4
3
2
1
0
8
4
2
1
8
4
2
1
Fifth ch
Not used
Zero error No.
Not used
bit15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
8
4
2
1
8
4
2
1
Sixth ch
Not used
Alarm 2 error No.
Not used
Alarm 1 error No.
Error No.
Type
No.
Cause and Treatment
0
The weighing sequence stoped.
Cope with cause and restart the sequence.
1
Safety check can not be completed.
Check the safety.
2
Under weight or over weight.
Compensate weight and restart.
3
There is a conflict in setpoint
Check setpoint
4
Time over of batch weighing.
Check the gate and hopper remains.
5
Time over of discharge.
Check the discharge gate.
6
The remains are not enough to weigh.
Add material.
7
When the batch is started, the weight is full already.
8
Nozzle is touching the hopper.
Check the nozzle.
Weighing
sequence
error No.
SQ.ERR
9
There is no tare (vessel) on the weighing pan.
Weighing sequence error flag
0: normal, 1: error
Zero error flag
0: normal, 1: error
Alarm 1 error flag
0: normal, 1: error
Alarm 2 error flag
0: normal, 1: error
Weighing sequence error No.