RT Systems TM3 Installation And User Manual page 29

The following data can be configured:
4mA signal (zero level value)
n
20mA signal (full scale level value)
n
Units of measure
n
Alarm activation level
n
Hysteresis
n
Alarm activation direction
n
Sampling period
n
Select Save to store data on the unit after all fields have been configured. Select Cancel and follow the prompted instructions to revert
back to the previous settings. The data will not be stored in this case.
Enter the zero level of the connected sensor, corresponding to its 4mA level, in
this field.
Enter the full scale level of the connected sensor, corresponding to its
20mA level, in this field.
Enter the connected sensor units of measure, ie %RH for a humidity sensor.
The level at which an alarm needs to be activated is entered in this field.
Enter the hysteresis level, below or above (depending on the activation direction)
the activation level at which the alarm will be de-activated. (Ref. note 1, pg 31)
Select the alarm activation direction, ie increasing values or decreasing values.
Select the sampling period at which the sensor is sampled for display on the
Graph View. A maximum of 1 440 sample points are stored.
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