Siemens Simatic S7-400

Communication
4.2 Communication services
S7-400 Automation System, CPU Specifications
4-14 Manual, 10/2006, 6ES7498-8AA04-8BA0
Routing gateways: MPI - DP
Gateways between subnets are routed in a SIMATIC station that is equipped with interfaces
to the respective subnets. The following figure shows CPU 1 (DP master) acting as router for
subnets 1 and 2.
3*
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Figure 4-1 Routing