JVL MIS17 Series User Manual page 175

7.2
7.2.18 Error message 'Safe Torque Off'
Message no. / Message
Type / Motor action
Error condition
Possible cause of this error • One of the two inputs STO channel A or STO channel B has been
Solutions to avoid error
How to return to normal
operation
Error bit / Firmware name
7.2.19 Error message 'Zero search timeout'
Message no. / Message
Type / Motor action
Error condition
Possible cause of this error • The collision point has not been met within the time specified in
Solutions to avoid error
How to return to normal
operation
Error bit / Firmware name
See also Zero search modes, page 157 for further details.
JVL Industri Elektronik A/S - User Manual - Integrated Stepper Motors MIS17x, 23x, 34x, 43x
Error messages
15 / 'Safe Torque Off'
Unrecoverable error / Motor is set in Passive mode.
"Safe Torque Off" has been triggered.
measured less than 18 V.
• A hardware fault in the STO circuitry.
Make sure that both STO channels are connected to 24 V with a
stable power supply.
• 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.
Bit 27
16 / 'Zero search timeout'
Error / Motor is set back in previous mode.
Zero search have taken longer than allowed.
the zero search time out register. Default of 60 sec. has been
used unless it have been changed by user.
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.
The motor is already in "normal operation" but the zero search
have failed.
Bit 16
175