7.3 Replacement of Safety Option
7.3.1 Before Removing the Safety Option
Procedure
1. Save all parameters of the safety option, see VLT® Motion Control Tool MCT 10 Operating Guide.
2. Duplicate the existing device setting.
7.3.2 Removing the Safety Option
Context:
NOTICE
The drive generates an error message after removing the safety option.
NOTICE
If the removed safety option is installed in another drive, the drive issues a warning for safety option parameter selection. Select
the safety configuration from either the drive or from the safety option.
Procedure
1. Disconnect all power (power stage supply voltage and controller supply) before plugging in or removing the option.
2. Verify that no voltage is present.
3. Remove the safety option according to the instructions in the chapter Installation in the VLT AutomationDrive FC 302 Operating
Guide.
7.3.3 Replacing the Safety Option
Context:
WARNING
SHOCK HAZARD
Attaching or removing the safety option while the soft starter is connected to mains voltage may cause personal injury.
-
Before attaching or removing the safety option, isolate the drive from mains voltage.
NOTICE
Alarm 67, Option Change informs that a change of the drive hardware configuration has occurred after a power-up. This
situation can occur after installing/removing an option, or if an option is defect. If the configuration changes, the drive freezes
the hardware configuration, trips, and refuses to start up.
-
Thus avoiding any unintended parameter changes.
When replacing the safety option, note the following:
Service and Repair
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 69
Danfoss A/S © 2018.09
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