Articles

• I/O near and far

  Never have more I/O system options been available to the controls designer, and it's OK to use several different formats

• How does I/O termination affect protocol choice?

  Can I move from field-device wire to enclosure terminal strip?

• Are purged enclosures and intrinsically safe barriers necessary?

  How do I reduce wiring between hazardous and nonhazardous areas?

• Terminate the rat’s nest

  For those who think it's okay to open a control enclosure and see a monochromatic rats nest of wires without any wire labels, you should be aware, that's worst-case practice