Configuration Options
2-8
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
2.4 Connecting the load supply voltage to motor starters/frequency
converters and looping it through
Necessity
If you use motor starters (EM 300...) and/or frequency converters (EM148-FC),
you must supply them with a 400 VAC load voltage. You must also supply the
basic module of the relevant ET 200X with DC 24V load voltage (exception:
ET 200X-DESINA and ET 200X-ECOFAST, see Figure 4-4 and Figure 4-5).
Connection
Hook up the load supply voltage and the load to the power socket and power
connector on the motor starter/frequency converter.
Looping through
The load supply voltage can be looped through from one motor starter/frequency
converter to the next by connecting an additional power connector to the motor
starter/frequency converter. The load supply voltage can be looped through both
within the same ET 200X and from one ET 200X to the next.
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