Appendix
INTELLIGENT ACTUATOR
459
(In the panel window, the three digits after “E” indicate an error number.)
Error No. Error name Description, action, etc.
63E ABZ encoder magnetic-pole sensor signal logic error Check if the encoder cable is connected.
63F Encoder control constant error The encoder control constant is invalid.
640 Motor control constant error The motor control constant is invalid.
641 Encoder power-source voltage control parameter error Check driver parameter Nos. 32, 33, etc.
642 Speed loop parameter error Check driver parameter Nos. 43, 44, 45, etc.
643 Encoder resolution division error Check “Axis-specific parameter No. 43: Encoder division ratio.”
644 Encoder/motor combination mismatch error (encoder resolution) Check driver parameter No. 26, encoder parameter No. 11.
645 DAC transfer completion check timeout error when encoder
power was supplied
A timeout occurred during DAC transfer when the encoder power was supplied.
646 Encoder EEPROM read busy error The encoder is faulty or an encoder communication failure occurred.
647 Encoder EEPROM write address mismatch error The encoder is faulty or an encoder communication failure occurred.
648 Encoder EEPROM read address mismatch error The encoder is faulty or an encoder communication failure occurred.
649 Undefined serial encoder installation error Installation of serial encoder is not defined. Check the “motor/encoder configuration
information” in driver parameter No. 26 and encoder parameter No. 11.
64A Undefined serial encoder command error The serial encoder command is not defined.
64B Serial encoder command packet error The serial encoder command packet is invalid.
64C 1-revolution data reset error at servo ON (serial encoder
command)
A 1-revolution data reset was commanded when the servo was ON. Turn OFF the
servo.
64D Encoder reset command timeout error (serial encoder
command)
An encoder communication failure.
64E ABS data query command timeout error (serial encoder
command)
An encoder communication failure.
64F Encoder error reset error at servo ON (serial encoder
command)
Turn OFF the servo before resetting an encoder error.
650 Encoder receive timeout error (during initialization
communication)
An encoder communication failure.
651 Speed control interruption control job error The speed control interruption error job is invalid.
652 Serial encoder command control job error The serial encoder command control job is invalid.
653 Encoder control job logic error The encoder control job logic is invalid.
654
655 Encoder receive timeout error at serial encoder command
issuance
An encoder communication failure.
656 Torque limit logic error The torque limit logic is invalid.
657 Torque limit parameter error Check driver parameter Nos. 38, 39, 40, etc.
658 Movement error during ABZ encoder counter initialization Axis movement was detected while initializing the ABZ encoder counter following
power on. The power may have been turned on or a software reset executed while
the actuator was moving due to external force such as reactive force of a self-
supported cable or while the installation location was vibrating.
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