Safety > Safety controllers & relays

Sick MOC3SA speed-monitor relay

26 June, 2012

Sick’s MOC3SA speed monitor is part of the company’s sens:Control safe control range, and is designed for the safe monitoring of drive rotational speeds.


SIL 2 safety trip alarm

25 June, 2012

The STA safety trip alarm is certified to IEC 61508: Parts 1, 2 and 3 by TÜV Rheinland and exida for single use in safety instrumented systems up to SIL 2. The STA firmware is suitable for a SIL 3 system, which allows the STA to be used in a redundant architecture (1oo2, 2oo3, etc) up to SIL 3.


Weidmüller WRS 24V SIL3 safety relay

16 May, 2012

The WRS 24V SIL3 safety relay is designed to be used in areas where a functionally safe switch-off is required.


Phoenix Contact PSR Motionstop safety module

15 May, 2012

The PSR Motionstop safety module from Phoenix Contact is designed for monitoring safe shutdowns and the movement of drive components.


Safety Trip Alarm video released by Moore Industries

14 March, 2012

Moore Industries has produced a new video showing how its STA Safety Trip Alarm serves as a logic solver that goes beyond what would be expected from a standard alarm trip.


Phoenix Contact RFC 470 PN 3TX safety PLC

14 February, 2012

The compact safety PLC RFC 470 PN 3TX has been designed for installation in control cabinets and complies with safety categories SIL3 (EN ISO 61508), SIL CL3 (EN ISO 62061), PLe/Cat 4 (EN ISO 13849) and Cat 4 (EN 954).


Phoenix Contact PSR-ESAM 4 safety relay

24 January, 2012

The Phoenix Contact PSR-ESAM 4 safety relay is now available for various supply voltages


Pilz PNOZmulti Mini configurable safety relays

02 October, 2011 by

Additional base units are now available for the Pilz PNOZmulti Mini configurable safety relays. They enable quick, easy connection of communication and safe link modules, as well as contact expansion modules. The safe link modules enable data to be exchanged between multiple PNOZmulti Mini base units allowing the Multi Mini to become an expandable system.


Allen-Bradley Guardmaster safety relays

16 September, 2011 by

Rockwell Automation has launched a new generation of Allen-Bradley Guardmaster safety relays that includes basic units capable of supporting a range of safety devices in various applications such as single- and multizone configurations.


Rockwell Automation safety relays

11 July, 2011 by

Rockwell Automation is introducing a new generation of safety relays that will be designed to address the majority of safety-related applications. Existing Allen-Bradley Guardmaster safety relays will not become obsolete, but customers who wish to simplify their inventory and usage will have the choice of a smaller family of safety relays.


Allen-Bradley Guardmaster SensaGuard RFID-based safety switches

29 June, 2011 by

The Allen-Bradley Guardmaster SensaGuard range is designed to provide secure safety switching, diagnostics and monitoring in one package. Combining RFID coding with an M23 Safety Distribution block, SensaGuard is designed to simplify the integration of multiple sensors.


Machine safety design

16 April, 2011

There comes a point in machine safety design when the designer needs to decide if it makes more sense to use multiple safety relays or to upgrade to a safety controller.


OLD Machine safety design

18 March, 2011 by Mike Garrick, Product Marketing Lead Specialist, Interface Relays, Phoenix Contact

There comes a point in machine safety design when the designer needs to decide if it makes more sense to use multiple safety relays or to upgrade to a safety controller. This point typically occurs when the application requires three or more safety relays. This article focuses on some of the issues that designers must consider when determining whether a safety relay or a safety controller is the best solution for a particular job.


Wieland Samos Plan v1.3 control software

25 February, 2011 by

Treotham Automation is now supplying Wieland’s Samos Plan v1.3 control software for its range of Samos Pro modular safety products.


Leuze electronic MSI-SR5 safety relay with AND function

17 December, 2010 by

The MSI-SR5 safety relay can be used to connect several safety components so as to act on a single switch-off circuit using a logical AND link. Using the one relay, for example, the combined application of a safety light curtain for point of operation guarding and a protective door for access guarding can be realised up to Performance Level PLe according to EN ISO 13849-1.


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