9.2.3 Mismatch of Safety Option Parameters (FC 302 only)
At each power-up, the parameter mismatch functionality checks if the safety parameters in the drive and the safety option are
different. If there is a difference, for example after a replacement of the safety option, it is possible to select 1 of the valid detected
safety parameter configurations using the SO Param. Selection form on the LCP.
Illustration 35: SO Param. Selection Form
After selecting 1 of the parameter sets, the set is written to the safety option. During this process, the safety option saves a checksum
along with the parameter set, which allows identifying the duplicated safety option parameters. The LCP messages guide through the
parameter transfer.
9.2.3.1 Transferring Parameter
Context:
Follow this procedure when replacing the safety option, assuming that the safety parameters in the drive have the correct values.
Procedure
1. Select VLT.
2. If configured, enter the password for the safety option configuration that is being copied. See the description of parameter 0-68
Safety Parameters Password and parameter 0-69 Password Protection of Safety Parameters in 7.2.7 Parameter Group 0-6* Password.
3. The LCP shows the SO Data Confirmation message.
4. Press OK to overwrite the safety parameters in the safety option.
5. Depending on the actual safety parameter configuration, a reset signal to the safety option can be required. For information about
the reset functionality, see
6.3 Reset Function.
6. Perform the commissioning test to ensure that the correct safety parameter configuration is transferred to the safety option. See
5.5 Commissioning Test. Use the commissioning test report for the safety parameter configuration that is being transferred.
If replacing the drive, use the same functionality and select SO in step 1 instead of VLT.
9.2.4 Copying Safe Parameter Configuration
Context:
The drive allows copying safety parameters via the LCP. This functionality allows setting up a different drive with the exact same safety
parameter configuration without using VLT® Motion Control Tool MCA 10.
Follow this procedure to copy a predefined safety parameter configuration from 1 drive to another.
Maintenance, Diagnostics, and
Troubleshooting
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578
60 | Danfoss A/S © 2020.02
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