In our previous issue, we noted that the first step in troubleshooting digital input modules is to verify the power source of each loop. If input power is missing, the causes can be such things as ...

I/O modules are building blocks of industrial control systems used in end equipment such as PLC (Programmable Logic Controllers), PAC (Programmable Automation Controller) and DCS (Distributed Control ...

I/O modules are building blocks of industrial control systems used in end equipment such as PLC (Programmable Logic Controllers), PAC (Programmable Automation Controller) and DCS (Distributed Control ...

The following are some basic facts about input loop power sources: The input module usually isn't a loop power source. Although 120V is common for digital loops, other voltages are also used. There ...

AutomationDirect CLICK PLC units are brick/stackable PLCs with the processing, memory, communication and I/O interface needed in an automated control system. February 13, 2020 - Higher amperage relay ...

Ready for PROFIBUS applications, the 240 Series sensor input modules are said to be ideal for industrial cryogenic process control, plant and LNG/LPG storage environments, as well as large-scale ...

Isolation is a means of preventing DC and unwanted AC currents between two parts of a system while allowing signal and power transfer between those two parts. Isolated voltage detection is used in ...