Summa Series Servodrive Product Manual
Document Version: V1.01
(Dec, 2019)
© 2019 ESTUN Automation Co., Ltd. All right reserved.
There is an error in the parameter data
in the FRAM.
Reset the parameters to
the default setting. If it
does not work, contact
ESTUN or the
Authorized Distributor.
The Motor speed has exceeded the
calculated limit of 100 rpm or more.
Check the setting of
Pn323, and increase
the setting if
necessary.
Check the power line
wiring of the Motor.
Contact ESTUN or
the Authorized
Distributor.
When the value of Un016 is
accumulated to 100, the Motor is
overloaded.
Resizing the Drive and
Motor to match the
load condition.
Position
Deviation
Overflow
The value of the position deviation
counter exceeds 0x40000000.
Try to reduce the
reference pulse
frequency.
Increase the position
loop gain.
Check the
mechanical.
Position
Deviation
Overflow: the
pulse exceeds the
setting of Pn504
When Pn005.1 (Deviation Counter
Alarm) is set to 1 (Enabled), the value
of the deviation counter Ek exceeds the
product that Pn504 multiplied by
electronic gear.
Try to reduce the
reference pulse
frequency.
Increase the position
loop gain.
Check the
mechanical.
For Motor encoders with different bit,
the setting ranges of the gear ratio are
as following:
Bit of Motor encoder < 20, the
setting range is 0.001 to 4000
Bit of Motor encoder = 21, the
setting range is 0.001 to 8000
Bit of Motor encoder = 22, the
setting range is 0.001 to 16000
Bit of Motor encoder = 23, the
setting range is 0.001 to 32000
Bit of Motor encoder = 24, the
setting range is 0.001 to 64000
If the setting exceeds the above range,
this alarm will occur.
Change the electronic
gear ratio to a proper
value.
1st Channel
Current Detection
Error
The average of the Iu digital quantity
read from the 1st channel for 2048
times is greater than 1500 during Servo
ON.
Contact ESTUN or the
Authorized Distributor.
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