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Transponder switches will replace magnetic types
An
Euchner (UK) product story
Edited by the Manufacturingtalk editorial team
Jul 23, 2002
Transponder switches are set to replace magnetic switches in many applications and allow closer monitoring of complex production processes and safety systems.
The new CES-A-C5E-01 transponder switch introduced by safety specialists Euchner, is set to replace magnetic switches in many applications.
The non-contact switch, which uses a CES-A-EA-04B evaluation unit, utilizes the latest advances in transponder technology and allows closer monitoring of complex production processes.
A transponder (actuator) works by receiving an electromagnetic field from a transceiver station (read head), processing it and sending data signals back to the receiving evaluation unit.
Similar data carrier mechanisms are used in car immobilisers.
Because of the transponder technology in its evaluation unit, the new CES switch has the capacity to use four transceiver stations enabling simultaneous monitoring of up to four safety guards whilst performing wiring and evaluation tasks and monitoring externally connected devices with just one system.
The ability to switch currents between 1mA and 6A allows users to connect it directly to a safety control module, an increasingly important function as transponder technology develops.
The advantages of transponder technology over conventional magnetic switches include: * Tamper-proof actuators.
* Ease of use (a new actuator can be taught in situ within seconds).
* Function of machinery maintained in the event of outside influences such as vibration, due to the larger operating range of up to 15mm enabled by the new CES switch's evaluation unit.
* Positioning flexibility of the actuator due to a uniform signal field between actuator and read head.
* Minimal wiring as the two core cable to the evaluation unit is either moulded to the head or connected using an M8 round plug connector.
* Automatic detection of possible errors eg cable break, short circuit etc.
* Cost efficient with the need for additional equipment such as tripping devices eliminated.
The non-contact CES-A-C5E-01 safety switch, in which the evaluation unit and read head are housed together, has also been developed to meet decentralised wiring requirements.
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