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Outputs
Setting
Current Loop Status
Measurement Source
Value at min output
Metric
Imperial
US Imperial
Min output current
Calibrate min current
Value at max output
Metric
Imperial
US Imperial
Max output current
Calibrate max current
Output error current
Error Current Source
Alarm trigger point
Metric
Imperial
US Imperial
9.1.2
Example
A simple example of a current output representing a specific range with errors and alarm is shown below:
•
Current Range: 4-20mA
•
Flow: @4mA, 0 l/min; @20mA, 500 l/min
•
Error current: 2.5 mA
•
Error source: Exceeds value
•
Alarm trigger point: 450 l/min
To implement this example:
42
Flow Options (default)
Flow
0 l/min
0 gal/min
0 US gal/min
0.00 mA
0.00 mA
2000 l/min
439.939 gal/min
528.344 USgal/min
24.00 mA
0.00 mA
2.50 mA
Exceeds Value/Under Value/Signal Loss/Out of Bounds/None
2000 l/min
439.939 gal/min
528.344 USgal/min
Set Current Loop Status to On
1.
2.
Set Measurement Source to Flow
3.
Set Value at min output to 0 l/min
4.
Set Min Output Current to 4.0mA
5.
Set Calibrate min current to 0mA
6.
Set Value at max output to 500 l/min
7.
Set Max output current to 20mA
8.
Set Calibrate max current to 0mA
Power Options (default)
Off / On
Power
0 kW
0 BTU/hr
0 BTU/hr
0.033333 kW
113.738 BTU/hr
113.738 BTU/hr
0.033333 kW
113.738 BTU/hr
113.738 BTU/hr
Operating Instructions
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