System Description; The Beckhoff Bus Terminal System - Beckhoff KL2904 Operating Instructions Manual

Twinsafe output terminal with 4 fail-safe outputs

Hide thumbs Also See for KL2904:

Table of Contents

System description

3.1

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.

Fig. 1: Slot and key system and screwless (spring-loaded) connection system.

Since a wide range of different communication standards are established in industrial automation, Beckhoff

offers Bus Couplers for all common bus systems (e.g. BK3120 for PROFIBUS, BK9000 for Ethernet, etc.).

KL2904

Version: 3.1.0

Table of Contents

Kl1904