16.5 Deleting the Public Key of option module OM-IIoT
Overview
After commissioning, option module OM-IIoT is assigned to the converter and the edge device.
You must cancel the OM-IIoT - edge device assignment if you wish to operate the OM-IIOT in
another converter or at another edge device. You must delete the Public Key of the OM-IIoT to
cancel the assignment.
Requirement
The following preconditions apply when deleting the Public Key in option module OM-IIoT:
• The network settings of the OM-IIoT have been completely congured using Startdrive or the
web server:
– IP address
– Subnet mask
– Gateway
• A user with one of the following authorizations has been created for the converter using
Startdrive or the web server:
– Drive Administrator
– Drive Safety Engineer
– Drive Engineer and Service
As example, the following data are used in the procedure:
• Login name for Startdrive or web server = xx0
• Authorization for Startdrive or web server = Drive Administrator
• IP address of the OM-IIoT = 169.254.1.42
• PC with Windows operating system and the storage location of le "clear_pairing"
D:\IIOT\clear_public_key\
Procedure
Proceed as follows when deleting the Public Key in option module OM-IIoT:
1. In any folder on your PC, create an empty le with the "clear_pairing" le name, e.g. an empty
text le clear_pairing.txt.
2. Delete the le name extension of the le:
clear_pairing
Corrective maintenance
16.5Deleting the Public Key of option module OM-IIoT
SINAMICS G220 converter
774 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB