LiteOn ISA-7 Series - Page 236

Lite-On Technology Corp.
Industrial Automation
236
Battery power cable
broke.
1. Check encoder cable.
2. Check battery and
cable.
Re-connect battery power and
re-initialize system.
Refer to 11.3.4~11.3.5.
AL034 : Encoder voltage error
Reason for
abnormality
Check for abnormality
Handling for abnormality
Battery low voltage
1. Check the voltage by
panel, if voltage <3.1 V.
2. Measure the battery
voltage, if voltage < 3.1 V.
Replace the battery as servo
driver ON. After replacing,
AL034 clear automatically.
AL035 : Number of turns overflow
Reason for
abnormality
Check for abnormality
Handling for abnormality
Turns overflow
Check the turns within the
range -8388608 ~ 8388607
1. Re-initialize system.
Refer to 11.3.4~11.3.5.
2. This alarm can be closed
by setting PD-57, bit2 as 1.
AL036 : Absolute data I/O transmission error
Reason for
abnormality
Check for abnormality
Handling for abnormality
Reading overtime
Check if DO( AENC_D) On
-> Off, and Off->On
switching time valid with
Tq or Tout.
1. Setting DI(AENC_E) to
off, and re-start
transmission.
2. Refer to 11.3.6.
AL037 : Wrong motor type
Reason for
abnormality
Check for abnormality
Handling for abnormality
Incremental encoder
is connected with
absolute system.
1. Check the motor.
2. Check PD-56.
Replace the motor as
absolute encoder, or set PD-
56 to 0, switching to
incremental system.
AL038 : Position counter overflow
Reason for
abnormality
Check for abnormality
Handling for abnormality
Position counter
overflow
Check if the position is over
range.
This alarm can be closed by
setting PD-57, bit3 as 1.