Walchem WebMaster, Инструкция по эксплуатации

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Low Alarm
In the text box, type the minimum temperature that you would reasonably expect to see for the
sample. This is helpful to detect a faulty or poorly calibrated temperature sensor.
Click on the “Submit” button to save the changes.
6.8 Level (4-20 mA) Input Menu
(Only appears if a 4-20 mA input option card is installed, and a Level pull-down is selected in the
4-20 mA Input section of the Start Up page)
Input
Displays which 4-20 mA inputs are defined as level inputs.
Drum
Type in the text box the name of the container the level sensor to the left is measuring.
Volume
This displays the current volume of chemical remaining in that drum.
Raw mA
This displays the mA output of the level transmitter, before it is converted into a volume. This is
helpful for troubleshooting.
Status
This displays whether the current drum level is “Normal” or in “Low Alarm”. Possible status
messages for level transmitters are; Normal (everything is OK), Sensor Error (the sensor signal is
not valid), Over Range (between 20 and 21 mA), Under Range (between 3.9 and 4.0 mA), Low
Alarm or Circuit Board Failure.
Full Volume
Type into the text box the volume contained by a full drum.
mA when tank “empty”
Type into the text box the mA output that the level transmitter will send when the drum is empty.
mA when tank “full”
Type into the text box the mA output that the level transmitter will send when the drum is full.
High-High Alarm Limit
Type in the text box the process value above which you a want a high-high alarm to occur.
High Alarm Limit
Type in the text box the process value above which you a want a high alarm to occur.