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 ...
For those embedded systems that can’t be constantly watched by a human, watchdog timers may be the solution. Most embedded systems need to be self-reliant. It’s not usually possible to wait for ...
With the prevalence of microcontrollers (MCUs) as processing units in safety-related systems (SRS) comes the need for diagnostic measures that will ensure safe operation. IEC 61508-2 specifies ...
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