4.3.3 Solutions for the terminal bus
4.3.3.1 Connecting PC stations to the terminal bus
You connect the following PC stations to industrial Ethernet via network adapters
(communication modules or communication processors):
● Operator stations
● BATCH stations
● Route Control stations
● Engineering stations
The network adapters occupy a slot in the PC or programming device (PG). Depending on the
requirement.
Network adapters for connection to the terminal bus
The following network adapters are released in PCS 7 (standard communication modules):
● PCIe network adapters:
– Intel® PRO/1000 PT Server Adapter
– (Intel® Gigabit CT Desktop Adapter (Intel® PRO/1000 PT Desktop Adapter is permitted)
● Integrated network adapter
– INTEL ... (LM-Adapter)
– INTEL ... (L-Adapter)
Variants for the redundant connection of the PC station to a terminal bus
● High availability terminal bus (Page 61)
● Redundant, high availability terminal bus (Page 63)
Using the product documentation, check whether the network adapters are suitable for
realizing the respective concept for the terminal bus.
Additional information
● Documentation
Process Control System PCS 7; Released modules
● Documentation
Process Control System PCS 7; PCS 7 Readme
4.3.3.2 High availability terminal bus
The terminal bus connects the servers (OS servers, BATCH servers, Route Control servers)
with the clients of the process control system (OS clients, BATCH clients, Route Control
clients).
high availability terminal bus can be set up in a ring structure with network components of
SIMATIC NET. The network components enable unrestricted operation of the terminal bus.
High availability solutions in PCS 7
4.3 Solutions for communication
High Availability Process Control Systems (V9.0)
Function Manual, 05/2017, A5E39221836-AA 61
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