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Signal Alarm Trips

An alarm trip accepts an input signal from a monitoring or control instrument, such as a signal transmitter or sensor. When the monitored variable falls outside of a user-set “Trip” (also called “Set”) Point, the alarm trip activates one or more of its relay outputs.

Image	Title	Description
	AC Input	AC voltage transmitters accept direct voltage inputs. Current models include an external AC current sensor.
	DC Input	A DC input has 2 connections for the input signal. These are the signal input and the common connection
	Frequency Input	The rate at which something occurs or is repeated over a particular period of time or in a given sample.
	Potentiometer Input	A potentiometer is a passive device that provides an adjustable electrical resistance.
	RTD Input	RTD input alarm with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability.
	Strain Gauge, Bridge, Load Cell Input	The change in resistance of the strain gauge provides an electrical value change that is calibrated to the load placed on the load cell. A load cell usually consists of four strain gauges in a Wheatstone bridge configuration.
	Thermocouple Input	Thermocouple Input alarm provides relay contact closures at a preset temperature input Level