Preparing for Startup
5-2
IM 178-4
C79000-G7076-C178-01
Setting the PROFIBUS Address
You set the PROFIBUS address using a screwdriver with the front panel open.
The PROFIBUS address is the sum of the switches set to the right (position ”ON”).
PROFIBUS address =
64
+ 32
+ 2
+ 1
= 99
IM 178-4
BUS
ADDRESS
OFF
ON
64
32
16
8
4
2
1
Figure 5-1
Setting the PROFIBUS Address
Changing the PROFIBUS Address
You can change the set PROFIBUS address at any time. The IM 178-4 only
adopts the new PROFIBUS address after the 25 V power supply (1L+) has been
switched off and on again.