CHAPTER 7 MAINTENANCE AND INSPECTION
7-20
Troubleshooting
7
7.7 Troubleshooting
Contact us.
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PA2_97 (communication protocol selection)
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PA2_72 (station number)
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PA1_41 to 47 (manual feed speed )
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PA3_1 to 30 (CONT signal assignment)
Check On01 (feedback speed).
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PA3_31 (speed command scale)
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PA3_35 (zero clamp level)
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PA1_01 (control mode selection)
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PA2_40 (internal positioning data selection)
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Internal positioning data
Not abnormal
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Check the sequence of the host controller.
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Check the diagnosis of the PC loader.
Not abnormal
Check the relevant parameters.
Check the connections and contact statuses of the
cables or connectors for power supply and others.
Check if an alarm is raised or not. Check the cause by referring to section 7.3.
An alarm is raised.
(5) In the case of Modbus communications
(2) In the case of multi-step speed selection
operation
The servomotor does not operate.
Check Sn01. Check the cause by referring to section 6.3.
* This is necessary because if deceleration feature has been applied or the motor is
operated in extremely low speed, the motor operation status cannot be checked by
visual check. Furthermore, there is a possibility of mechanical slip.
Abnormal (The motor is not in operable
condition.)
* Before checking the connections of cables and connectors, make sure to turn off
the p ower.
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PA1_01 (control mode selection)
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PA1_03 (command pulse input method
and form setting)
Not abnormal
No alarm is raised.
Abnormal (No such command has been
input.)
(3) In the case of analog command
(4) In the case of start positioning
Che ck if any command such as FWD/REV, pulse,
analog voltage, or START, etc. has been input.
(1) In the case of pulse operation
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