Assigning Profibus Addresses To The Cm 1243-5 Module And Dp Slave - Siemens SIMATIC S7-1200 Manual

7.6.4

Assigning PROFIBUS addresses to the CM 1243-5 module and DP slave

Configuring the PROFIBUS interface
After you configure logical network connections between two PROFIBUS devices, you can
configure parameters for the PROFIBUS interfaces. To do so, click the purple PROFIBUS
box on the CM 1243-5 module, and the "Properties" tab in the inspector window displays the
PROFIBUS interface. The DP slave PROFIBUS interface is configured in the same manner.
Table 7- 9
①
Assigning the PROFIBUS address
In a PROFIBUS network, each device is assigned a PROFIBUS address. This address can
range from 0 through 127, with the following exceptions:
● Address 0: Reserved for network configuration and/or programming tools attached to the
● Address 1: Reserved by Siemens for the first master
● Address 126: Reserved for devices from the factory that do not have a switch setting and
● Address 127: Reserved for broadcast messages to all devices on the network and may
Thus, the addresses that may be used for PROFIBUS operational devices are 2 through
125.
Easy Book
Manual, 11/2011, A5E02486774-04
Configuring the CM 1243-5 (DP master) module and ET200 S DP slave PROFIBUS
interfaces
CM 1243-5 (DP master) module
PROFIBUS port
bus
must be re-addressed through the network
not be assigned to operational devices
Easy to communicate between devices
ET200 S DP slave
7.6 PROFIBUS
143