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16. INDEXER POSITIONING OPERATION
Display Name Definition Cause Action
1. Battery cable is open. Repair cable or changed. A92 Open battery
cable warning
Absolute position
detection system battery
voltage is low.
2. Battery voltage supplied from the servo
amplifier to the encoder fell to about 3V
or less.
(Detected with the encoder)
Change the battery.
1. Droop pulses remaining are greater than
the in-position range setting.
Remove the cause of droop
pulse occurrence
2. Command pulse entered after clearing of
droop pulses.
Do not enter command pulse
after clearing of droop pulses.
A96 Home position
setting error
Home position setting
could not be made.
3. Creep speed high. Reduce creep speed.
A97 Next station
warning
Automatic operation is
executed with invalid
next station setting.
1. Automatic operation has been started
when station number that exceeded the
setting value of parameter No.PC46
(number of stations/rotation) is specified.
2. Automatic operation has been started
when the next station selection 1 to 8
(RYnA to RYnE, and RY(n
2)3 to
RY(n
2)5) are all set to on.
Specify the station number up to
the maximum number of
stations set in the parameter
No.PC46 (indexer positioning
operation number of
stations/rotation).
A99 Stroke limit
warning
The limit switch become
valid.
The stroke end (LSP or LSN) of the
direction which gave instructions was
turned off.
Reexamine the operation
pattern to turn LSP/LSN ON.
1. The station number switch position was
changed from the setting at power-on.
2. The baud rate switch position was
changed from the setting at power-on.
A9D CC-Link warning
1
The station number
switch or baud rate
switch position was
changed from the setting
at power-on.
3. The occupied station count switch
position was changed from the setting at
power-on.
Return to the setting at power-
on.
1. The transmission status is abnormal. Take measures against noise.
2. CC-Link twisted cable wiring incorrect.
3. CC-Link twisted cable faulty.
4. The CC-Link connector has come off.
1. Change the CC-Link twisted
cable.
2. Connect the cable or
connector correctly.
5. The terminating resistor is not
connected.
A9E CC-Link warning
2
Communication error of
cable.
6. Noise entered the CC-Link twisted cable.
Connect the terminating resistor
correctly.
A9F Battery warning Voltage of battery for
absolute position
detection system
reduced.
Battery voltage fell to 3.2V or less.
(Detected with the servo amplifier)
Change the battery.
AE0 Excessive
regenerative
warning
There is a possibility that
regenerative power may
exceed permissible
regenerative power of
built-in regenerative
resistor or regenerative
option.
Regenerative power increased to 85% or
more of permissible regenerative power of
built-in regenerative resistor or regenerative
option.
Checking method
Call the status display and check
regenerative load ratio.
1. Reduce frequency of
positioning.
2. Change the regenerative
option for the one with larger
capacity.
3. Reduce load.
AE1 Overload warning
1
There is a possibility that
overload alarm 1 or 2
may occur.
Load increased to 85% or more of overload
alarm 1 or 2 occurrence level.
Cause, checking method
Refer to A50, A51.
Refer to A50, A51.