Siemens SINUMERIK 840D sl Operating Manual page 25

● Position / Node ID: The position of the master on the respective bus.
● Property name "MasterSystemID": Bus number
Procedure
You define the bus data in the "Properties (components): PLC connection points and bus ports"
dialog > "Bus data" tab.
1. Select an object in EPLAN, e.g. a port.
2. Double-click the object. The "Properties (components): PLC connection points and bus
ports" dialog opens.
3. Select the "Bus data" tab.
4. Define the bus data. Information on this is provided in the following examples for the NCU
connections.
5. Confirm the changes via the "OK" button.
Configuring bus data for NCU
Examples are listed below on how you can configure the NCU with various connections.
Example of the NCU connection X126
Bus master / Bus coupler
Bus system
Position / Node ID
MasterSystemID
Master ID
SINUMERIK Integrate Create MyConfig - EPLAN Electric P8 Add-In
Operating Manual, 12/2017, A5E43099659B-AA
= e.g. "NCU-DP"
= "Profibus"
= "2" (defined value)
= "1" (defined value of the bus number)
Set; the checkbox is activated.
Configuring with EPLAN Add-In
5.3 Define bus data
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