Siemens SENTRON VL Series System Manual page 133

Figure 6-5 Setting the PROFIBUS address with SWITCH ES Power (here Version V1.0)
Changing the PROFIBUS address via the BDA PLUS; COM15).
If the connection with the circuit breaker has been established (e.g. via a local point-to-point
(PPP) connection or over Ethernet), you proceed as for Switch ES Power:
Select "Device Parameters - Switches - Communication", and change the address there.
Setting the PROFIBUS address via STEP7 (Set_Slave_Address)
Both PROFIBUS DP modules support the PROFIBUS DP function Set_Slave_Add. With the
help of this class 2 master function, the address of a slave can be changed on PROFIBUS
DP.
The address can be changed either in the SIMATIC Manager or in HW Config in the STEP7
software package. The procedure is as follows: From the "Target System" menu in one of
the two programs, select "Assign PROFIBUS Address".
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
6.7 Setting and changing the PROFIBUS address of the COM15/COM20
PROFIBUS data transfer
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