JVL Industri Elektronik A/S - User Manual - Integrated Stepper Motors MIS17x, 23x, 34x, 43x
175
7.2.18
Error message ’Safe Torque Off’
7.2.19
Error message ’Zero search timeout’
See also
, page 157 for further details.
Message no. / Message
15 / ’Safe Torque Off’
Type / Motor action
Unrecoverable error / Motor is set in Passive mode.
Error condition
“Safe Torque Off” has been triggered.
Possible cause of this error
•
One of the two inputs STO channel A or STO channel B has been
measured less than 18 V.
•
A hardware fault in the STO circuitry.
Solutions to avoid error
Make sure that both STO channels are connected to 24 V with a
stable power supply.
How to return to normal
operation
•
Apply a stable 24 V to both STO channels and clear the error
bit(s) in register 35.
•
If the Safe Torque Off error is still present, the STO circuit has a
hardware fault and the motor must be sent to JVL for inspection.
Error bit / Firmware name
Bit 27
Message no. / Message
16 / ’Zero search timeout’
Type / Motor action
Error / Motor is set back in previous mode.
Error condition
Zero search have taken longer than allowed.
Possible cause of this error
•
The collision point has not been met within the time specified in
the zero search time out register. Default of 60 sec. has been
used unless it have been changed by user.
Solutions to avoid error
After this error occur the motor is set back in the mode it was be-
fore a zero search was started. In order to do a successfull zero
search make sure that the time out interval is set to a proper value
or increase the zero search speed.
How to return to normal
operation
The motor is already in “normal operation” but the zero search
have failed.
Error bit / Firmware name
Bit 16
Summary of Contents for MIS17 Series
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