Siemens' SIRIUS 3SK series safety relays are flexible, consistent, cost-effective, and user-friendly and help simplify the planning, commissioning and expansion of today's modern industrial plants.

This file type includes high resolution graphics and schematics when applicable. According to the research firm IHS Inc., about 54 million relays and timers were purchased in 2013, a number projected ...

Dr. William Goble of Exida explains why software development techniques are critical to any automation project. Read this paper and learn how to develop, test, implement and improve your Safety PLC ...

Relays and contactors use a variety of technologies to switch signals and power connections. Many devices called relays use similar techniques and topologies, but the terminology can be confusing.