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ASDA-A3

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Troubleshooting

AL231 Monitoring variable code specified byType [8] PR is out of range

Trigger condition

and cause

Condition: when Type [8] PR command specifies Monitoring variable as the data

source, the monitoring variable code, Sys_Var, is out of range.

Cause: the monitoring variable code is out of range.

Checking method

and corrective action

Write parameter using PR procedure: when the data source is Monitoring variable

and the code exceeds the range, check the setting range of the code for the

monitoring variable.

How to clear the

alarm?

DI.ARST

14

AL235 Position counter overflow warning

Trigger condition

and cause

Condition: a positioning command is executed after the overflow of the position

command counter.

Cause: overflow of the position command counter.

Incremental system:

When the motor keeps operating in one direction, this leads to overflow of the

position feedback register (FB_PUU), and the position system cannot display the

correct position. Issuing an absolute position command after overflow results in

this error. Use the scope to check if the feedback position has overflowed and then

execute the homing procedure.

Absolute system:

This error occurs when the absolute positioning command is issued in the following

conditions:

Checking method

and corrective action

1.

Position feedback register (FB_PUU) overflows.

2. Absolute origin position is not established after the setting of P1.001.Z is

changed.

3. Absolute origin position is not established after the E-Gear ratio (P1.044 and

P1.045) is changed.

4. The absolute origin position is established but the homing procedure is

incomplete.

5. When AL060 and AL062 occur, use the scope to check if the feedback

position has overflowed. Check whether the preceding conditions have

occurred, and then establish the absolute origin position.

How to clear the

alarm?

Incremental system: perform homing procedure after using DI.ARST to clear the

alarm.

Absolute system: establish the absolute origin position.

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