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Mighty Module Model DM4003 Potentiometer Position
Input Field Rangeable DIN Rail Mounted Transmitter

TERMINAL CONNECTIONS
Power AC L1 or DC +
Power AC L2 or DC -
Potentiometer Excitation
Potentiometer Wiper
Potentiometer Common
Current Supply -
Output +
Output -
(Terminal Labeled)
L1
L2
1
2
3
4
Output +
Output -
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument

Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument

Features

Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument 100 ohm to 100 kilohm Potentiometer
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Selectable Response Time/Filter
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Provides a Fully Isolated DC Output Proportional to Wiper Position
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument User Write-on Label
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument User-Settable Input and Output Ranges
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Fully Labeled Jumper Positions for Easy Range Settings
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Plug-in Terminal Blocks
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Standard DIN rail Mount With Easy Snap-on Snap-off
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Connections and Ranging Readily Accessible From The Front
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Choice of Power Options
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument Permanent Warranty
Potentiometer,Position,Input,Field,Rangeable,DIN Rail,Mounted,Transmitter,Model DM4003,Wilkerson Instrument UL, cUL Recognized

Description

The DM4003 provides an isolated voltage or current output proportional to the position of a potentiometer wiper.

The output is fully isolated from input, line power and ground.  The unit is useful in eliminating ground loops and common mode signals.

Input and output ranges are user-settable. The output response may be normal or reverse-acting. A fully-labeled set of jumpers selects the input and output ranges.

The DM4003 includes selectable filtering and conditioning to reduce susceptibility to transients and noisy operations. It utilizes a feedback VCO to develop a pulse train with a duty cycle proportional to the input signal amplitude. This pulse train is coupled through a pulse transformer to the output circuitry, where the duty cycle data is converted to a proportional DC output level.

Connections are made via two 4-pin plug-in terminal blocks. These terminal blocks allow the product to be removed without unwiring the connections.

Typical Applications

A useful interface for monitoring valve and actuator position, or for generating test signals.

Mounting

The module mounts on a standard H-35 DIN rail. A spring latch holds it in place. The module is demounted by using a screwdriver to release the latch. The latch release is accessible at the bottom of the module.

Specifications

INPUT

Input Potentiometer Value
  100 ohm to 100 kilohm

Excitation
  1 VDC

Span Selections for F.S.
  Output (% rotation)
  25%, 50%, 75%, 100%

Offset
  0% to 100% of span

POWER
Wattage 2.5W maximum

AC (Standard)
  115 VAC   10%, 50/60 Hz
  230 VAC   10%, 50/60 Hz
  24 VAC    10%, 50/60 Hz

DC  (Optional)
  24 VDC     (21 to 32 VDC)

ISOLATION
Resistance
  >500 megohms
Voltage Rating
  >1000 VAC sine wave

COMMON MODE REJECTION
>100 dB, DC to 60 Hz

APPROVALS:
UL, cUL Certified

OUTPUT

Voltage
0/.25
0/1
1/5
0/5
0/10
-5/5
-10/10
Current (mA)
0/1
0/4
4/20
0/20

OUTPUT LOGIC
Normal or Reverse Acting

DRIVE CAPABILITY
Voltage 
  5mA
Current 
  >24 V compliance

ACCURACY
0.1% of span

LINEARITY
0.1% of span

OUTPUT RIPPLE
<0.1% of full scale
  (peak to peak)

RESPONSE TIME (99%)
2, 20, 50, 500 milliseconds

OPERATING TEMPERATURE
-10 to  60C
 14 to 140F

TEMPERATURE STABILITY
0.01% of span perC

METEX CORPORATION LIMITED

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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.

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