Beckhoff Automation: Power distributor box provides overload protection

Designed to provide durable energy management solutions that can withstand harsh industrial environments outside of electrical cabinets, the new EtherCAT EP9214 power distributor box from Beckhoff enables the local distribution and switching off of the power supply, providing the ability to supply up to four NEC class-2 circuits via typical M8 plug connectors.

Pw 52440 Beckhoff32813 177 X 250 Bu 1

The I/O solution also provides complete diagnostics and control functionality for up to eight 24 V DC branch circuits (Us & Up power) per power box.

The EP9214 power box is equipped with 7/8-in. plug connectors; it maintains a total current of 16 A for each control and peripheral voltage with cable cross-sections of 1.5 and 2.5 mm2 (roughly #14AWG).  Even considerably higher starting currents are briefly permissible at the outputs, so that trouble-free start-up of the connected devices is possible.

Wiring in the field using the power distributor box is significantly simpler and less expensive than equipping the system with additional terminal boxes with fuses.
Diagnostic and control functions of the EP9214 provide additional benefit: apart from monitoring the input current, the currents in the control channel and the peripheral voltage channel are also monitored separately. In addition, the monitoring, limitation and, if necessary, the switching off of the power supply is possible for both channels. The EP9214 power box can be fully controlled via the EtherCAT network and the current diagnostics can be carried out conveniently via the controller.

The eight 24 V DC voltage circuits can also be separately switched on or off directly via EtherCAT in order to increase the energy efficiency of the pla
 

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