Authorization - Arc protection - Bay control and measurement - Merging unit - Operation Manual - SMU615 Substation Merging Unit - 1.0 - IEC - ANSI

Four user categories have been predefined for the WHMI, each with different rights and default passwords.

The default passwords in the merging unit delivered from the factory can be changed with Administrator user rights.

Table 1. Predefined user categories
Username	User rights
VIEWER	Read only access
OPERATOR	Clearing indications
ENGINEER	Changing settings Clearing event list Clearing disturbance records Changing system settings such as IP address, serial baud rate or disturbance recorder settings Setting the merging unit to test mode Selecting language
ADMINISTRATOR	All listed above Changing password Factory default activation

Note: For user authorization for PCM600, see PCM600 documentation.

Authorization - Arc protection - Bay control and measurement - Merging unit - Operation Manual - SMU615 Substation Merging Unit - 1.0 - IEC - ANSI - 05.06.2023