Configuring Shared Device - Siemens SINAMICS S120 Function Manual

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When booting, the drive system first requires the configuration data of A-CPU and then

establishes a cyclic communication to this CPU taking into account the PROFIsafe telegrams

As soon as the drive system has received the configuration data of the F-CPU, then cyclic

communication is also established here and PROFIsafe telegrams are taken into

consideration.

Communication via the two channels functions independently of one another. In the event

of failure of a CPU, communication with the other CPU is not interrupted, it continues to

operate without interruption. Error messages are output regarding the components that

have failed. Resolve the fault and acknowledge the messages; communication to the CPU

that failed is then automatically restored.

Configuring Shared Device

In HW Config you have the following two options when configuring the two controllers A-

CPU and F-CPU:

1. You configure both of the controllers using the Shared Device function in a common

2. Using GDSML, you configure each controller independently in its own project.

The first of these options is described in the following example.

Detailed information on configuring with HW Config is provided in the STEP 7

documentation.

Drive functions

Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3

10.3 Communication via PROFINET IO

Communication