Configuring analog output - PR53 - PR53AC - PR53AP - PR53GC - PR53GP - PR53M - PR53SD - PR53W

PR53 Series User Guide

Document code
M212898EN
Revision
E
Language
English
Product
PR53
PR53AC
PR53AP
PR53GC
PR53GP
PR53M
PR53SD
PR53W
Document type
User guide

The PR53 process refractometer has one built-in 4–20 mA output.

For the electrical properties of the analog output, see Refractometer connections.

To configure the analog output, go to > Configure device > Analog output 1.

To adjust the analog output:

  • Scale low end sets the value when the signal is 4 mA. The default zero value is 0.00, the unit depends on the source and display unit set for the sensor in question (and can thus be for example 0 Bx or 0 °F).
  • Scale high end sets the range, which is the value given when the signal is 20 mA.
  • Error output level sets an analog default output value that the instrument returns to in certain malfunction situations. The factory setting for default output is 3.4 mA. For a list of malfunctions that are affected, see Error statuses.
    • NAMUR NE 43 uses the 3.8–20.5 mA signal range for measurement information. With PR53 process refractometers, you can configure ≤3.6 mA to indicate diagnostic failures. With that information, it is easier to detect a failure condition on a refractometer, for example, it clearly tells you whether you have an empty pipe or a failed instrument.
  • No sample error output and No sample error output level allow you to set a secondary mA output value for empty pipe (message No liquid detected) to differentiate it from the other messages that cause the measurement to revert to default mA. By default the secondary mA output is disabled.