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Powering Sensors

How does the sensor get its power

Selecting the right power supply is the basis for high machine productivity. Today mostly switching power supplies are used, which convert an input voltage (AC) of 230 V/110 V into an output voltage (DC) of 24 V.

Voltage conversion and supply

Conversion of AC voltage (230 V/110 V) into DC voltage (24 V) by a switching power supply

Sensors, controller and infrastructure powered by a switching power supply

To select just the right power supply for your requirements, note the following criteria:

  • Number of sensors and consumers and the resulting total current

  • Current requirement for the connected consumers

  • Turn-on response and inrush currents of the sensors

  • Input voltage (e.g. 230 V/110 V), power and load of the supply network

  • Location of the power supply (central in the control cabinet/IP20 or modular in the field/IP67)

In addition to this criteria you should also take into account the ambient temperature and – if necessary – make any modifications (e.g. cooling). Only then is maximum performance of the power supply assured.

You should also consider how the power supply responds to overload. Depending on the version (e.g. Powerboost or Hiccup*) inrush currents or fast peak loads will be withstood better or worse.

* Powerboost: The power supply provides greater power for a limited time in order to compensate for inrush currents.

** Hiccup: The power supply switches off under overload and after a short time attempts to restart. This is repeated until the overload is eliminated.

Related topics

Do you have any questions or suggestions? We are at your disposal.

For all questions concerning commercial topics such as quotations, orders, delivery times, our inside sales department will be happy to support you.


Balluff ApS

Niels Jernes Vej 10
9220 Aalborg Øst

Please contact us:
[email protected]

Telephone:
+45 7023 4929