Application Example For Dc - Beckhoff KL3403 Series Documentation

3.4.2

Application example for DC

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!
Switch off the DC filter for DC measurements
Switch off the DC filters for the KL3403 (using the configuration software KS2000 [} 41] or the reg-
ister communication (register R32.4 [} 54])) for measuring direct voltage and DC.
Power measurement at a fieldbus station
The example illustrates power measurement at three circuits of the fieldbus station. The terminal measures
the:
• Power consumption of the Bus Coupler and K-Bus supply
• Power consumption of the power contacts
• Power consumption of the AS-i power supply terminal (KL9528)
Note rated current!
In the example, the special type KL3403-0010 [} 19] is used with an extended current measuring range
(5 A max.). The standard KL3403 type is not suitable for this application example because the current mea-
suring range is too small (1A)!
KL3403
WARNING
NOTE
Version: 3.1.0
Mounting and wiring
33