In our previous two issues, we discussed troubleshooting digital output modules. Troubleshooting analog modules is a bit more complicated, for two reasons: Analog modules aren't on/off, as digital ...

A PLC-controlled system stops for no apparent reason, causing excess scrap, production delays, and quality problems. The final control elements in the PLC loops include seven valves, two heating ...

Introducing the newest technology to your facility may come with a steep learning curve, but the benefits are especially large when it comes to a reduction in downtime troubleshooting. John Beach, ...