Beckhoff EK1914 User Manual download pdf (Page 9)

System description

EK1914 7

2 System description

2.1 The Beckhoff Bus Terminal system

The Beckhoff Bus Terminal system is used for decentralized connection of sensors and actuators to a

control system. The Beckhoff Bus Terminal system components are mainly used in industrial automation

and building management applications. In its minimum configuration, a bus station consists of a Bus

Coupler or a Bus Terminal Controller and Bus Terminals connected to it. The Bus Coupler forms the

communication interface to the higher-level controller, and the terminals are the interface to sensors and

actuators. The whole bus station is clipped onto a 35 mm DIN mounting rail (EN 60715). The mechanical

cross connection of the bus station is established via a slot and key system at the Bus Coupler and the

Bus Terminals.

The sensors and actuators are connected with terminals via the screwless Cage Clamp

connection

system.

In order to accommodate the wide range of different communication standards encountered in industrial

automation, Beckhoff offers Bus Couplers for a number of common bus systems (e.g. EK1100 for

EtherCAT).

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Beckhoff EK1914 User Manual Page 9