Joe Weathers


I/O Systems, I/O Modules May 6, 2015

To fuse or not to fuse individual I/O points

When designing a PLC control panel, one of the fundamental decisions is how to provide overcurrent protection for I/O modules. Should each I/O module be fused with a single fuse, or should each I/O point be fused individually? Here are 11 things to consider when deciding how and when to fuse I/O points.

By Joe Weathers