A-16 | 3050-SLR Moisture Analyzer
Example 6: Setting the Low-End of the Analog Output:
TASK.
Setup the analog output so that a moisture concentration of 1ppm produces a 4 ma current
output.
ACTION.
Write one holding register (function 06). Register address = 46 (holding register #40047).
Value = 100 (multiplied by scale of 100).
Example 7: Switching to “Sensor-Saver” Mode:
TASK.
Set the analyser to operate in the sensor-saver mode.
ACTION.
Write one holding register (function 06). Register address = 99 (holding register #40100).
Value = 1 (enable sensor saver =1, disable sensor saver = 0).
Example 8: Switch to Dewpoint Readings:
TASK.
Set the analyser to output the moisture concentration as a dewpoint, using the Centigrade
scale. A ixed process pressure of 150 kPa is used for this example.
ACTION 1.
Write one holding register (function 06). Register address = 65 (holding register #40066).
Value = 4 (ppmv = 0, lbs/mmscf = 1, mg/Nm3 = 2, ppmw = 3, dew point C = 4, dew point F =
5).
ACTION 2.
Set process pressure units to kPa
Write one holding register (function 06). Register address = 70 (holding register #40071).
Value = 0 (kPa= 0, PSIA = 1, bar = 2, Atm = 3).
ACTION 3.
Set process pressure to ixed 150 kPa
Write one holding register (function 06). Register address = 47 (holding register #40048).
Value = 1500.
Write one holding register (function 06). Register address = 48 (holding register #40048).
Value = 1500.
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