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AC Powered Potentiometer Input DIN Rail Signal Conditioner
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
DRI-PT
PLACE ORDER 
  • Provides a DC Output in Proportion to a Potentiometer Input
  • Accepts Potentiometers from 100 O to 100 kO
  • Universal AC Power 85 to 265 Vac
  • Wide Ranging Zero and Span
  • Plug-In Terminals
  • ASIC Technology
 Specs
 Manuals (contact with email : [email protected])
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Description

Description

The DRI-PT is a DIN rail mount,potentiometer input signal conditioner with1800 Vdc isolation between AC power andthe input/output circuitry. The input providesa constant voltage and is designed to acceptany 3-wire potentiometer from 100 Ω to 100 kΩ.The field configurable output is switch selectableproviding a 0 to 5V, 0 to 10V, 0 to 1 mA, 0 to 20 mAor 4 to 20 mA DC signal.

Wide ranging, precision zero and span pots, used inconjunction with DIP switches, allow 80% adjustablity ofoffset and gain to transmit a full scale output from any20% portion of the potentiometer input.

The DRI-PT is useful in transmitting process controlsetpoints to remote PID controllers or interfacingposition or level sensors to data acquisition and controlsystems. The high density DIN rail mounting offers anextremely compact solution for saving valuable panelspace.

In a valve positioning application a potentiometer issometimes used as a feedback signal. Quite often awide open valve is only a 25% turn of the feedbackpotentiometer. The DRI-PT can easily be adjusted withthe zero and span to provide a full scale output signal(e.g. 4 to 20 mA) representing 0 to 25% or even50 to 75% of the potentiometer input.

The factory default configuration for the DRI-PT is as follows:

Input Range:
0 to 100%
Output: 4 to 20 mA

Specifications
POTENTIOMETER INPUT
End-to-End Resistance: 100 Ω up to 100 kΩ
Input Impedance: >1 MΩ
Input Excitation: 500 mV, 5 mA maximum drive
Zero Turn-Up: 80% of full scale input
Span Turn-Down: 80% of full scale input
Common Mode Rejection: 1800 Vdc (input to power)

OUTPUT
Voltage Output:

    Range: 0 to 5V, 0 to 10V (dip-switch selectable)
    Source Impedance: <10 Ω
    Drive: 10 mA max (1 kΩ min @ 10V)
Current Output:
    Range: 0 to 1 mA, 0 to 20 mA, 4 to 20 mA (dip-switchselectable)
    Source Impedance: >100 kΩ    
Compliance:

        0 to 1 mA: 7.5V max (7.5 kΩ max)
        0 to 20 mA: 12V max (600 Ω max)
        4 to 20 mA: 12V max (600 Ω max)
Accuracy (Including Linearity, Hysteresis): ±0.1% maximum at 25°C
Temperature Stability: <±0.05%/°C maximum of full scale range
Response Time (10 to 90%): <200 msec, typical
Common Mode Rejection: 120 dB @ DC, >100 dB @ 60 Hz
Isolation: 1800 Vdc between line power and input, output
LED Indication (Green): Active DC power
Humidity (Non-Condensing):
    Operating: 15 to 95% RH @ 45°C (113°F)
    Soak: 90% RH for 24 hours @ 65°C (149°F)
Temperature Range:
    Operating: 0 to 55°C (32 to 131°F)
    Storage: -25 to 70°C (-13 to 158°F)
Power: 100 to 240 Vac, ±10%, 50 to 400 Hz; 1.5 W typical, 2.5 W max
Weight: 218 g (0.48 lb)
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