S748-772 Instructions Manual | 7 Technical description
7.9.9.5 Mains supply circuit (example)
7.9.10 Functional test
7.9.10.1 SIngle or Dual Channel control, SIL CL2 / PLd
With initial starting and after each interference into the wiring of the drive or after exchange
of one or several components of the drive the function of STO must be tested.
1. Method:
1. Stop drive, with setpoint 0V, keep servo amplifier enabled (Enable=24V).
DANGER: Do not enter hazardous area!
2. Activate STO1-Enable and STO2-Enable e.g. by opening protective screen
(voltage at X4/7=0V and X4/5=0V).
Correct behavior: the BTB/RTO contact opens, the net contactor releases and the servo amp-
lifier displays error F27.
2. Method:
1. Stop all drives, with setpoint 0V, disable servo amplifier (Enable=0V).
2. Activate STO1-Enable and STO2-Enable e.g. by opening protective screen
(voltage at X4/7=0V and X4/5=0V).
Correct behavior: the servo amplifier displays -S-.
50 Kollmorgen | kdn.kollmorgen.com | July 2019
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