The nonvolatile memory does not need battery

backup or regular component exchange to maintain the

memory storage. File transfer and Web HMI use communication

encryption protecting the data in transit.

Also, the communication link between the relay configuration tool

PCM600 and the relay is encrypted. All rear communication

ports and optional protocol services can be activated according

to the required system setup.

User accounts can be managed by PCM600 or centrally. A

central account management is an authentication infrastructure

that offers a secure solution for enforcing access control to

relays and other systems within a substation. This incorporates

management of user accounts, roles and certificates and the

distribution of such, a procedure completely transparent to the

user. The central server handling user accounts can be, for

example, SDM600 or an Active Directory (AD) server such as Windows AD.