4 Configure process measurement
4.1 Configure Sensor Flow Direction Arrow
Display Menu → Configuration → Process Measurement → Flow Variables → Flow Direction
ProLink III Device Tools → Configuration → Process Measurement → Flow → Sensor Direction
Field communicator Device Settings → Process Configuration → Flow → Sensor Direction
Sensor Flow Direction Arrow is used to accommodate installations in which the Flow arrow on the sensor
does not match the majority of the process flow. This typically happens when the sensor is either accidentally
installed backwards or conditions require that it be installed backwards.
Sensor Flow Direction Arrow interacts with mA Output Direction, Frequency Output Direction, and Totalizer
Direction to control how flow is reported by the outputs and accumulated by the totalizers and inventories.
The Sensor Flow Direction Arrow also affects how flow is reported on the transmitter display and via digital
communications.
Figure 4-1: Flow arrow on sensor
A. Flow arrow
B. Actual flow direction
Procedure
Set Sensor Flow Direction Arrow as appropriate.
Option
Description
With Arrow The majority of flow through the sensor matches the Flow arrow on the sensor. Actual
forward flow is processed as forward flow.
Against Arrow The majority of flow through the sensor is opposite to the Flow arrow on the sensor. Actual
forward flow is processed as reverse flow.
Tip
Micro Motion sensors are bidirectional. Measurement accuracy is not affected by actual flow direction or the
setting of Sensor Flow Direction Arrow. Sensor Flow Direction Arrow controls only whether actual flow is
processed as forward flow or reverse flow.
Configuration and Use Manual Configure process measurement
MS-00809-0200-1600 May2024
Configuration and Use Manual 27
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