Basic principles
BK11x0, BK1250
33
Version: 4.1
4.5.3
Connection BK1250
Fig. 23: BK1250 Connection
Table 2: Connection
Terminal point
Description
Name
No.
+24 V Us
1
Power supply for Bus Coupler and E-bus electronics
+24 V Up
2
Power supply for power contacts (internally connected to terminal point 6)
0 V Up
3
Power supply for power contacts (internally connected to terminal point 7)
PE
4
PE connection (internally connected to terminal point 8)
0 V Us
5
Power supply for Bus Coupler and E-bus electronics
+24 V Up
6
Power supply for power contacts (internally connected to terminal point 2)
0 V Up
7
Power supply for power contacts (internally connected to terminal point 3)
PE
8
PE connection (internally connected to terminal point 4)
