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Wiring
Looping through the load voltage from the power module
If you want to loop the load voltage through to the next power module or ET 200X,
you must install a second M16 cable gland on the connector (see wiring in
Figure 4-11).
Connector assembly
Load voltage looped
through to next module
Figure 4-12
Power module with connector and 2 M16 cable glands
Note
The load voltage can be looped through from the power module only when the
connector is plugged into the power module.
Using a common power supply
You can feed the supply voltage for the electronics/sensors and for loads from a
single power supply, providing no electrical isolation is necessary between the
sensor and the load supply. You simply need to wire the two connectors together
externally (L+, M and PE). Note the restrictions imposed by the current
consumption (see Section 2.8)! If necessary, use a power module or a
SITOP power 24V/10A.
Always plug in 3 connectors
Note
You must always plug all three connectors into the basic module, irrespective of
whether or not they are wired, in order to ensure that the degree of protection
(IP 65, IP 66 or IP 67) is achieved.
An alternative is to close unused connectors with covers. You can find the order
numbers for the covers in Appendix A.
4-20
Load voltage supply
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
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