4-37
Safe Torque Off
AC890PX AC Drive
Channel A Fault Check:
STO test
Comprehensive Check, Activity
Expected reaction and effect
10
Ensure the drive is running and the motor is turning.
Disconnect terminal X11/01 for approximately 5 seconds (must
exceed 3 seconds).
Motor must immediately coast to rest.
Drive must report STO trip immediately.
X11/05 and /06 must remain OFF.
11
The STO function has latched in hardware to disable the drive.
Re-apply 24V to terminal X11/01, and then try to restart drive.
Drive must not start.
Drive must continue to report STO trip.
X11/05 and /06 must remain OFF.
12
Remove and re-apply all power to the drive
X11/05 and /06 must be OFF.
13
Try to re-start the drive.
Drive must start at SPT1.
X11/05 and /06 must remain OFF.
Channel B Fault Check:
STO test
Comprehensive Check, Activity
Expected reaction and effect
14
Ensure the drive is running and the motor is turning.
Disconnect terminal X11/03 for approximately 5 seconds (must
exceed 3 seconds).
Motor must immediately coast to rest.
Drive must report STO trip immediately.
X11/05 and /06 must remain OFF.
15
The STO function has latched in hardware to disable the drive.
Re-apply 24V to terminal X11/03, and then try to restart drive.
Drive must not start.
Drive must continue to report STO trip.
X11/05 and /06 must remain OFF.
16
Remove and re-apply all power to the drive
X11/05 and /06 must be OFF.
17
Try to re-start the drive.
Drive must start at SPT1.
X11/05 and /06 must remain OFF.
18
Stop the drive.
Drive must decelerate to rest.
X11/05 and /06 must remain OFF.
Summary of Contents for AC890PX Series
Page 17: ...2 5 Product Overview AC890PX AC Drive 890PX bottom wire entry ...
Page 144: ...The Keypad 7 9 AC890PX AC Drive The Menu System Map ...
Page 145: ...7 10 The Keypad AC890PX AC Drive The Menu System Map continued ...
Page 328: ...Programming D 88 AC890PX AC Drive Functional Description ...
Page 386: ...Programming D 146 AC890PX AC Drive Setpoint Drive Frequency Frequency 1 Frequency 2 ...