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PD420 Set-Point Generator

Brand: Precision Digital Corporation
The PD420 4-20 mA current loop set point generator provides a convenient way to generate a 4-20 mA signal that can be used to control another device. 

The PD420 features a backlit LCD display that can be programmed to display 0-100%, 4-20 mA or 3-21 mA and output either 4-20 mA or 3-21 mA. A built- in dial is provided to vary the displayed / output value. 

The dial may be programmed for coarse or fine adjustment.
Features
  • 4-20 mA Current Loop Set Point Generator
  • 4-20 mA or 3-21 mA Output Ranges
  • Set Point Displayed as 0-100%, 4-20 mA, or 3-21 mA
  • Built-in Dial for Changing Output
  • Backlit Display
  • Coarse or Fine Set Point Adjustment
  • +/- 0.5% Output Accuracy
  • 0.01 Display Accuracy
  • 15-30 VDC Power Requirement
  • < 500 ohms Sampling Resistance
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The PD420 4-20 mA current loop set point generator provides a convenient way to generate a 4-20 mA signal that can be used to control another device. 

The PD420 features a backlit LCD display that can be programmed to display 0-100%, 4-20 mA or 3-21 mA and output either 4-20 mA or 3-21 mA. A built- in dial is provided to vary the displayed / output value. 

The dial may be programmed for coarse or fine adjustment.
Features
  • 4-20 mA Current Loop Set Point Generator
  • 4-20 mA or 3-21 mA Output Ranges
  • Set Point Displayed as 0-100%, 4-20 mA, or 3-21 mA
  • Built-in Dial for Changing Output
  • Backlit Display
  • Coarse or Fine Set Point Adjustment
  • +/- 0.5% Output Accuracy
  • 0.01 Display Accuracy
  • 15-30 VDC Power Requirement
  • < 500 ohms Sampling Resistance

Specifications

Output Accuracy

  • +/- 0.5%

Output Ranges

  • 4-20 mA or 3-21 mA

Display

  • 0.3" (8 mm) high backlit LCD

Display Accuracy

  • 0.01

Display Modes

  • Current, 0-100%, 0-50.0 Hz

Display Change Adjustment

  • User may program coarse and fine adjustments such that each pulse on the dial results in a change of between 1 and 50 counts on the display.

Front Panel

  • NEMA 1

Operating Temperature Range

  • -4 to 140° F (-20 to 60° C)

Connections

  • Removable Screw Terminal Block

Power Requirement

  • 15-30 VDC

Sampling Resistance

  • Less than 500 Ω