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JVL Industri Elektronik A/S - User Manual - Integrated Servo Motors MAC050 - 800
2.6.19
Error message ’PWM locked’ (only MAC400/800)
2.6.20
Error message ’Modbus Com. Error’ (only MAC400/800)
Message no. / Message
21 / ’
PWM Locked
’
Type / Motor action
Unrecoverable error / Motor is set in passive mode.
Error condition
An uUnrecoverable errornrecoverable error has occured and the
motor output driver is shut down in order to prevent any further
damages. The error could be one of following.
- The motor current has been significantly higher than allowed
during normal operation.
- The internal encoder has a fault.
Possible cause of this error
This error is typically followed by other error messages. See in-
dividual description of these errors.
Solutions to avoid error
- See other error messages that follows this error.
How to return to normal
operation
- This error type is not software resetable. Cycle the control volt-
age (24VDC).
Error bit / Firmware name
Bit 20 / ’PWM_LOCKED’
Message no. / Message
22 / ’
Modbus Com. Error
’
Type / Motor action
Unrecoverable error / Motor is set in passive mode.
Error condition
Modbus communication has not been possible due to a commu-
nication error.
Possible cause of this error
- The motor is setup as master but it has not been possible to
reach a slave motor.
- The motor is setup as a slave but do not receive any position
information
Solutions to avoid error
- If the actual system is a master/slave configuration, make sure
that a slave motor is present.
- Make sure that the cabling is made in a proper manner with
twisted pair wires and screened cable.
- Make sure that the opposite unit in the communication system
uses same parameters such as baudrate etc.
- Adjust the time out register.
How to return to normal
operation
- The error is cleared if error free communication is re-estab-
lished but the motor need to be re-entered in the desired op-
eration mode.
- Try to save actual settings and restart the motor by a reset or
cycle the power (24VDC).
Error bit / Firmware name
Bit 21 / ’COM_ERR’
Summary of Contents for MAC050
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Page 6: ...2 JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 ...
Page 7: ...JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 3 1 Introduction ...
Page 20: ...16 JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 ...
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Page 254: ...250 JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 ...
Page 255: ...JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 251 5 Appendix ...
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Page 306: ...6 Index JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 302 ...