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Safety controller replaces rotary switch

31 July 2008

Control gear specialist Sick has launched its UE410 FlexiSOFT Din-rail mounted, softwarebased modular safety controller for applications that require more sophistication than basic safety relays but do not require the complexity of a full-scale safety PLC.

The product’s predecessor was programmed by means of rotary switches. The Flexi Soft comes with a software configuration tool, which allows safety engineers to configure complex safety systems – from simple logic gates like And, Or etc – to more advanced functions such as safe On/Off timers and set/reset function blocks.

The company claims that the UE410 Flexi Classic is designed for customers who want to manipulate safety logic without going through PC software and this is still the best solution for customers not wanting to adopt a software safety solution.

The UE410 Flexi Soft series comprises a number of Din-rail mounted units: a CPU control unit, eight single-channel safety input module, mixed eight input four output module, one dual-channel safety relay output module (2N/O) and a two dual-channel safety relay output module (4N/O). Diagnostic data can be obtained from the RS232 port on the main CPU and later in the year will be the introduction of diagnostic modules, which can interface to standard network topologies.