Beckhoff KL3356, Documentation

Page: 23 / 55

Mounting and wiring
KL3356 23 Version: 2.3.0
3.3.4 Connection
WARNING
Risk of injury through electric shock and damage to the device!
Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or
wiring of the Bus Terminals!
Fig. 11: Connection
Terminal point No. Connection for
+U
D
1 Measuring signal
-U
D
2 Measuring signal
-U
V
3 Supply voltage, 0 V (from power contact)
Shield 4 PE contact
+U
ref
5 Reference signal
+U
ref
6 Reference signal
+U
V
7 Supply voltage, 5 to 12 V (from power contact)
Shield 8 PE contact
The supply voltage (U
V
) for the measuring bridge can be fed by a power supply terminal (e.g. KL9510) into
the power contacts and then is also available at terminal points 7 (+U
V
) and 3 (-U
V
) of the KL3356 for
referencing at terminal points 5 and 6.