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Setpoints

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MXD70 Setpoints, Current Outputs, and

Digital Inputs Configuration Guide

Setpoints

Setpoint Alarm Mode

By Selecting Alarm in the setpoints input source the setpoint can be configured as an alarm output

triggered by one of a number of events.

 Sensor Error –

When a sensor related error is detected on the associated sensor input

channel.

 Dose Alarm –

When any of the dose alarms active on a setpoint associated with this

setpoints sensor input channel.

 Calibration –

When a calibration is in progress on the associated sensor input channel.

 Off-Line –

When the associated sensor input channel has been taken “Off-Line.”

 Any Error –

When any error is detected on the associated sensor input channel.

 Cleaning –

When a cleaning operation is in progress on a setpoint associated with

this setpoints sensor input channel.

 Calibration Due –

When if enabled the calibration due timer has expired on the associated

sensor input channel.

 Gain Error –

When a gain error is present on the associated sensor input channel.

Only available when set to a suspended solids input channel.

 Power Failure –

Holds the relay in a permanently energised state until the unit is

powered down. Only available when using unit alarm

Note – By selecting Unit Alarm in the setpoint channel option each alarm option will activate if they

occur on any of the instruments three sensor input channels.

LTH Electronics MXD73 User Manual

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