Siemens SIMATIC PCS 7 Function Manual page 93

The BATCH servers also communicate with OS servers over the terminal bus. The OS servers
are connected to the automation system over the plant bus.
Note
SIMATIC BATCH in "AS-based" operating mode
The BATCH servers are also connected to the plant bus if SIMATIC BATCH is operated "AS-
based". The redundant interface is implemented as on OS servers. You will find additional
information on this topic in section "Solutions for OS servers (Page 85)".
Additional information
● PC station identified as faulty; see section "Solutions for OS servers (Page 85)"
● Section "How to configure a BATCH server and its redundant BATCH partner server
(Page 161)"
● Section "How to configure a BATCH client (Page 163)"
● Manual and online help for
Fault-tolerant Process Control Systems (V8.1)
Function Manual, 11/2014, A5E34878832-AA
SIMATIC BATCH
Fault-tolerant Solutions in PCS 7
3.7 Solutions for SIMATIC BATCH
93