Beckhoff BK1120 User Manual

Basic principles
BK11x0, BK1250 33Version: 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)

Beckhoff BK1120 Specifications

General

Brand	Beckhoff
Model	BK1120
Category	Adapter
Language	English