Trip point and hysteresis – Rockwell Automation 937CU-AISTR-DC1 Strain Gauge Converter Installation Instructions User Manual
Page 29
Bul. 937
C Strain Gauge Converter Installation Instructions
Trip point and Hysteresis
When entering the values for the trip point and hysteresis, please observe the following:
• By means of the Gross/Net parameter, you determine whether the value for the trip point is a gross
value or a net value (gross value minus current tare).
• The trip point and hysteresis must be entered in the selected unit.
− The minimum value for the trip point is 0, the minimum value for the hysteresis is 0.1.
− If you have selected Gross, the maximum ce ll load is the maximum value for
the trip point and hysteresis.
− If you have selected Net, the value of the maximum cell load minus the current tare
is the maximum value for the trip point and hysteresis.
Min
Min + hysteresis
Max - hysteresis
Max
Measured value
Time
Trip mode Min, operating mode Passive:
energized
de-energized
Trip mode Min, operating mode Active:
energized
de-energized
Trip mode Min, operating mode Passive:
Trip mode Min, operating mode Active:
energized
de-energized
energized
de-energized
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