It is advised to change the safety option default password before downloading the parameter values of a safety option with factory
settings. Only persons knowing the password can change the safety option parameter values.
N O T I C E
Any misuse of password may lead to severe safety problems.
N O T I C E
No password is required to access the commissioning parameters of the safety option. The password is required when the
parameters must be downloaded to the option via Write to Drive.
The password must be of 8 characters and is case-sensitive. Alphanumeric characters and symbols are valid for password.
The safety option checks the parameter password entered. Use the menu item Change Password to change the safety option
parameter password. Change the safety option password if there is any indication of manipulation.
6.1.3.1 Resetting the Password
Context:
N O T I C E
Resetting the password resets all option parameters to factory default.
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 Status over Fieldbus
The safety option status can be retrieved as part of the status word. Its behavior changes based on the selected control word profile.
In parameter 8-13 Configurabnle Status Word STW, select [91] Safe Opt. Reset. req and [90] Safe Function active to achieve the following:
• Indicate that a reset of the safety option is required. These signals are also available as DO outputs.
• Indicate that a safety function is active.
6.2.1 Safety Option Reset via Control Word
To reset the safety option using the control word, select [3] Safe Option Reset in parameter 8-14 Configurable Control Word CTW. This
option is available only in bits 12–15 of parameter 8-14 Configurable Control Word CTW.
Configuring the Safety Option
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578| 37
Danfoss A/S © 2020.02
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