
Safe Torque Off
6-35
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
The following test steps must be performed:
STO test
Comprehensive Check, Activity
Expected reaction and effect
1
Ensure that no harm can come to personnel or equipment if the
motor turns.
2
Apply +24V DC to terminals X11/01 and X11/03.
3
Switch on power and 24V supply voltage.
No error must be present in the drive system.
X11/05 and /06 must be OFF.
4
Configure the drive and associated equipment if necessary so that it
can be started and stopped, and a speed setpoint provided.
No error must be present in the drive system.
X11/05 and /06 must be OFF.
5
Try to start the drive with a non-zero setpoint. This setpoint value
will be referred to as SPT1 for brevity in these tests. Leave this set
throughout all tests.
Drive must start and motor must turn at SPT1.
X11/05 and /06 must be OFF.