Laurel-electronics LTA DPM SERIES ANALOG INPUT User Manual download pdf (Page 24)

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hysteresis band is often used to minimize relay chatter. A wide hysteresis band can be used for

on-off control applications.

A deviation band alarm controls relay action symmetrically around a setpoint. The relay

actuates when the reading falls within the deviation band, and de-actuates when the reading

falls outside. A deviation value (such as 50 counts) is set up around both sides of the setpoint

to create the deviation band. Passbands around a setpoint are often used for component

testing.

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Laurel-electronics LTA DPM SERIES ANALOG INPUT User Manual Page 24