Sanyo Denki SANMOTION 3E S, Instruction Manual, Page: 382 / 488

10. Safe Torque Off function
10-17
10.6 Verification test
For use of the Safe Torque Off function, you must confirm that the safe torque off operations
correctly during machine startup, servo amplifier replacement and test operation.
Even if it is not fit to the case above, strongly recommended that confirmation of function
operation at least once every three months.
10.6.1 Preparation
Please perform test operation prior to performing verification test to verify no problems with
servo amplifier and motor installation and wiring, and with servo amplifier and motor properly
operate. Refer to "3. Installation", "4. Wiring" and another document M M0011697 "5 Operations"
for installation, wiring, and test operation.
10.6.2 Confirmation procedure
Perform verification test for safe-torque-off in accordance with the follow the procedures:
Procedure 1. Supply control power and main circuit power.
Procedure 2. Turn on both safety input 1and 2.
Procedure 3. Input servo-on signal to excite servo motor.
Procedure 4. Turn off both safety input 1and 2.
10.6.3 Acceptance criteria
In steps 2 to 4, verify the states listed below.
Procedure 1. In step 2, make sure that EDM output and LED indication are as follows:
Confirmation item State
EDM output Off
LED indication
Procedure 2. In step 3, verify that servo motor is excited.
Procedure 3. In step 4, verify that EDM output and LED indication are as follows:
Also, verify that servo motor excitation is cancelled.
Confirmation item State
EDM output On
LED indication