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 ...
OpenPLC is an open-source industrial controls platform that allows the transformation of popular microcontrollers into a programmable logic controller (PLC). OpenPLC is a fully functional open-source ...
Higher amperage relay output modules and an 8-point input simulator module are now available from AutomationDirect for the Click series stackable micro brick PLCs. The Click C0-04TRS-10 ($54.00) is a ...