# Temperature Switch

Written by Jerry Ratzlaff on . Posted in Temperature Instrument

A temperature switch, abbreviated as TS, provides alarm, shutdown and control for many types of processes.  Switch that activates when a certain temperature condition is met.  A temperature switch typically provides a discrete output.  It may be part of a temperature transmitter that activates when a condition is met.

## Configuration and Alarms

Alarms in the PLC can be:

• $$TSH$$ - Temperature Switch High
• $$TSL$$ - Temperature Switch Low
• $$TSHL$$ - Temperature Switch High/Low