When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...
In part one of this series, we looked at the PLC’s internal architecture, briefly discussed Ladder Logic programming, Human-Machine Interfaces, advantages of the PLC’s ability to react consistently ...
Some common pitfalls in machine safety have to do with not wiring devices correctly. Many devices today can cover a range of safety levels, such as SIL 1 through SIL 3, but have different wiring ...