Example - Siemens Sinamics S120 Function Manual

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Tel. word = telegram word

For double words, 2 PZD must be read in succession. Read a 32-bit setpoint that is at PZD

2+PZD 3 of the telegram from node 2, and map this to PZD 2+PZD 3 of node 1:

p8872[1] = 2, p8870[1] = 2, p8872[2] = 2, p8870[2] = 3

To activate SINAMICS Link connections, perform a POWER ON for all nodes. The

assignments of p2051[x]/2061[2x] and the links of the read parameters r2050[x]/2060[2x]

can be changed without a POWER ON.

Example

Configure SINAMICS Link for three nodes for isochronous data transfer. Each of the nodes

of this example consists of a drive train with a CU320-2PN, a CBE20 and a servo drive.

Each node sends a telegram and takes PZDs (process data words) from the telegrams

available on the SINAMICS Link. The torque actual value from drive object 2 should be

interconnected as torque setpoint for drive object 3. The following values are to be

transferred:

Figure 10-63 SINAMICS Link configuration example

Drive functions

Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2

10.4 Communication via SINAMICS Link

Communication

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