APG DCR-1006 user manual - Manual (Page 20)

DCR-1005 and DCR-1006 Rev. A4, 10/08
20
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Analog
The DCR-1006 has an Isolated 4-20 mA circuitry. To set up this feature, enter
the two end points. For performing a distance to level measurement, the zero
point of distance will be at the transducer and the 4-20 limits will be
programmed in the same units as mode 1. For volumetric monitoring, the zero
point will be at the empty point of the tank and the end points must be set in
the units used in the volume measurement. Keep this in mind when referring to
the diagram below. Remember that this circuit is Loop Powered. Power must be
supplied to the 4-20 mA terminal for this feature to operate.
MODE DESCRIPTION PARAMETERS EXPLANATION
24 4 mA distance Units = mode 1 Sets the minimum value
Default = 3.00 ft. of the analog output slope
25 20 mA distance Units = mode 1 Sets the maximum value
Default = 4.00 ft. of the analog output slope
26 4 mA calibration Approx. 5000 Fine tunes the minimum
current sourced on the
analog output
27 20 mA calibration Approx. 5000 Fine tunes the maximum
current sourced on the
analog output
External
P o w e r
Source
(-) (+)
4-20(+) 4-20(-)
Isolated 4 to 20 ma output
24V DIG GND
4-20 ma output
Analog Ground
Current sourcing 4 to 20 ma output
Analog Ground
4-20 ma output
4-20(+) 4-20(-)