Define Normal Status of a Process Switch ?
Switches, whether they be hand-actuated or actuated by a physical process, come in two varieties: normally-open (NO) and normally-closed (NC).
Switches, whether they be hand-actuated or actuated by a physical process, come in two varieties: normally-open (NO) and normally-closed (NC).
Another type of instrument commonly seen in measurement and control systems is the process switches. The purpose of a switch