Operator Interfaces, Switches & Relays


Safety relays now certified to IEC 61508

July 2004 Operator Interfaces, Switches & Relays

Phoenix Contact's PRS safety relay modules for process technology are among the first safety products to be certified to SIL 3/IEC 61508.

Conventional safety relay modules can often exhibit a sufficiently high start-up current that the control system interprets this as a short circuit. The PSR-ESP safety relays provide optimised start-up behaviour, offering two safely isolated, redundant closers and one 22,5 mm-wide opener that can switch up to 250 V a.c. at 6 A. These are used to electrically isolate field applications from the control system or to adjust the voltage or power.

The international IEC 61508 standard is particularly relevant to electronic applications in the chemical, mechanical and process engineering fields. These compact safety relays, together with the safety-related controls and master system, form an integral part of the safety chain.

For more information contact Duncan Venter, Phoenix Contact, 011 793 7121, [email protected], www.phoenixcontact.co.za



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Power and control platform for complex applications
Schneider Electric South Africa Operator Interfaces, Switches & Relays
Schneider Electric has unveiled the latest device in its PowerLogic range of products, the PowerLogic P7 digital power and control platform. This was designed to offer the best performance in complex and high-demand applications, and is based on a visualisation-ready, next-generation platform powered by a single configuration tool, the PowerLogic engineering suite.

Read more...
Comprehensive protection of the network against attacks
Phoenix Contact IT in Manufacturing
In recent years, the generation of data to create ever better transparency and control of production has become a decisive competitive factor. IIoT has also contributed to more manufacturing systems being connected to IT or cloud systems. This places higher demands on access security, which Phoenix Contact meets with the Secure Edge Box.

Read more...
High-efficiency switching solutions
Operator Interfaces, Switches & Relays
Becker Mining South Africa has launched a new-generation energy distribution system that has been specially developed to enhance productivity and safety in the challenging conditions of local underground coal mines.

Read more...
World-first solution for platinum miner
ABB South Africa Operator Interfaces, Switches & Relays
When a consulting engineering company approached ABB about a specific problem that its platinum mining client was experiencing at its smelter facility in the North West Province, it was an opportunity for the technology provider to showcase its innovation and adaptability in responding to specific customer requirements.

Read more...
Robust industrial relays
Vepac Electronics Operator Interfaces, Switches & Relays
Industrial RT relays from Vepac are particularly robust and are used for high load control. RT modules can control up to three changeover contacts, with 10 A each. In addition, this product is equipped for safety reasons with manual operation, improved LEDs or free-wheeling diodes.

Read more...
Pick-to-light device with added flexibility
Turck Banner Southern Africa Operator Interfaces, Switches & Relays
Pick-to-light devices and systems help industrial automation manufacturers reduce the risk of error in the assembly process, ensuring product quality and reducing cost. These devices are also used in kitting and put-to-light operations to ensure high accuracy in fulfilment operations.

Read more...
Overcurrent protection for explosion-protected areas
Phoenix Contact IS & Ex
The customisable Caparoc circuit breaker system from Phoenix Contact now also offers modules for explosion-protected areas, thereby extending the range of possible applications.

Read more...
Lightning and surge protective devices
Phoenix Contact Electrical Power & Protection
The new Flashtrab-MB lightning and surge protective devices from Phoenix Contact are based on innovative triggered carbon spark gap technology.

Read more...
Trio Power power supplies with IP67 degree of protection
Phoenix Contact Electrical Power & Protection
Phoenix Contact’s robust Trio Power power supplies, with IP67 degree of protection, are ideally suited for distributed supply in the field.

Read more...
Compact edge PC
Phoenix Contact PLCs, DCSs & Controllers
The EPC 15XX PLCnext Edge PC provides extended functionality for full IT/OT convergence. The system offers a monitoring or data analysis solution that enables data interpretation through simple dashboards. ...

Read more...