Procedure
1. In the Administration menu, select Reset.
2. Checkmark Yes, I want to reset Safe Option configuration in the drive.
3. Enter the default password (12345678).
4. Click Reset.
5. On the prompt that appears, click Yes.
6. Change the safety option password.
6.2 Reset and Status over Fieldbus
6.2.1 Reset of Safety Option and Pending Safe Function
There are 2 different methods of resetting the safety option and pending safe function. The configuration of parameter 42-31 Reset
Source is decisive for which method to use.
If parameter 42-31 Reset Source is set to [0] Drive Reset, a reset according to the selected control word profile is required.
NOTICE
The drive-specific alarms are also reset.
If parameter 42-31 Reset Source is set to [1] Drive Safe Reset, configure [3] Safe Option Reset in parameter 8-14 Configurable Control Word
CTW.
NOTICE
The drive-specific alarms are not reset and the control word profile is overwritten.
6.2.2 Retrieving Safety Option Status
A subset of the safety option status can be retrieved as part of the status word. Its behavior changes based on the selected control
word profile.
Configure [91] Safe Opt. Reset. req and [90] Safe Function active in parameter 8-13 Configurable Status Word STW to:
• Indicate that a reset of the safety option is required.
• Indicate that a safe function is active.
Parameter 42-80 Safe Option Status indicates the actual status (active safe function, any requests, and error number) of the safety option
and is accessible as read-only parameter from any interface or configurable as read process data for a specific fieldbus.
NOTICE
Only active safe function is set in Safety Option Status.
General Parameter Set-up
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 59
Danfoss A/S © 2018.09
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