Siemens Simatic PCS7 Function Manual page 23

Plant configuration
The MS server
● Either configured on a separate PC station or on a PC station together with the OS server
● Can be configured redundantly
● Processes the process control messages which are visualized on the OS/MS client and/or
MS client
● Can monitor network components via the OPC server at the plant bus if there is a connection
to the plant bus
The MS client can be configured as follows:
● MS client on a PC station
The MS client visualizes the diagnostic status in the diagnostic area using diagnostic
screens and provides the required operator control and monitoring functions.
● MS client and OS client on a PC station (OS/MS client)
The OS/MS client has the same functionality as an MS client on a PC station and the same
functionality as an OS client.
In addition to the diagnostic area, the overview visualizes the technological areas for
process control.
● MS client on the engineering station
The MS client on the engineering station has the same functionality as an MS client on a
PC station.
In addition, the online view of the hardware configuration editor can be opened.
The MS client that is operated on the engineering station is disabled during configuration.
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA
Using the Maintenance Station
3.4 MS multiple station system
23