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Mighty Module Model DIS971-24
DC Input Process Indicator

CONNECTIONS

Output - (Optional)
Output + (Optional)
NC
Input +
Input -
Shield
Alarm 1 NC (Optional)
Alarm 1 C (Optional)
Alarm 1 NO (Optional)
Alarm 2 NC (Optional)
Alarm 2 C (Optional)
Alarm 2 NO (Optional)
Power AC L1
Power AC L2
(Terminal Labeled)

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DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument

DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Catalogue
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Manual


DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument


Features

DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Provides 4 1/2 Digit Display, Red or Green LEDs
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Display Calibrated in Engineering Units (ºF,ºC, %, PSI, etc.) Proportional to DC Input
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument 24 VDC Power Supply for Two-Wire Transmitters
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Fully Isolated Output and/or 0, 1, or 2 Alarms (Optional)
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Alarm Setpoints Adjustable Without Disturbing Transmitter Output
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Fail-safe Alarm Operation
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument LED Alarm Status Indicator
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Adjustable Deadband
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Fits Standard 1/8 DIN Cutout
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument Rated NEMA-4X, Splashproof and Corrosion Resistant When Properly Installed
DC Input,Process Indicator,Model DIS971-24,Wilkerson Instrument 5 + 5 Year Warranty

Description

The DIS971-24 provides a display, optional isolated DC output voltage or current proportional to a DC input signal, and optional alarm setpoints. The units include filtering and conditioning to reduce susceptibility to transients and noisy operations. The digital display utilizes an auto-zero dual-slope integrating A/D converter for accuracy and stability.

All controls are accessible by removing the gasketed front access panel.  The display controls are wide-ranging so that it can be calibrated to display engineering units. Decimal point selection is made with a switch, also accessible from the front.

A complete set of engineering unit labels is sent with each DIS.  Once the display has been adjusted to read the correct engineering units, the alarm setpoints can be adjusted without test equipment and without disturbing the transmitter output.  Either setpoint may be displayed by use of the SP CAL switch.  Each setpoint has an LED to indicate alarm status. The alarms have adjustable deadbands. Terminations are made to a screw terminal connector on the rear of the case.

Typical Applications

DC process indication, control, monitoring, voltage/current scaling, isolation, buffering, noise redution, driving, DC monitor/current limit, level/position control, HI/LO pressure alarm, power demand warning.

Mounting

The DIS is designed to be mounted from the front of a panel through a standard horizontal 3.62 x 1.77 inches (1/8 DIN) cutout. Two mounting cam-screws secure the DIS to the panel.

Specifications

INPUT RANGE
4/20 mA

INPUT IMPEDANCE
61.9 Ohms

OUTPUT RANGE
Voltage
  select any range between ±10 V
    10 mA max load
    (min span 0.2 V)
Current
  select any range from 0 to 20 mA max
    24 V compliance**
    (min span 1 mA)

SETPOINT
each alarm 0 to 100% of span

DEADBAND
0.25% to 100% of span

RESPONSE TIME
< = 100 ms

ACCURACY
±0.1% of span

LINEARITY
Display
  ±0.01% of span

Output
  ±0.025% of span

OUTPUT RIPPLE
<0.1% of span
  (peak to peak)

COMMON MODE REJECTION
120 dB, DC to 60 Hz

ISOLATION
Output/Input
  >500 megohms
Breakdown Voltage
  >600 VAC rms

DISPLAY
Digit Size
  .56 inch LED, 3 1/2 digits, ±19999

Decimal Point
  ±1.9.9.9.9

Control Range
  Zero
    ±19999
  Span
    min span 10
    max span 20000

Display Update
  3/sec

RELAY CONTACTS (spdt)
Resistive Load:
  5 A max, 150 W max,
  240 VAC max, 30 VDC max
Inductive Load:
  1/8 HP max at 120/240 VAC

OPERATING TEMPERATURE
 14ºF to 140ºF
-10ºC to 60ºC

TEMPERATURE STABILITY
±(0.02% of span +30 µV)/ºC max

POWER
115 VAC ±10%, 50/60 Hz
  (4 W max)
230 VAC ±10%, 50/60 Hz
  (4 W max)

METEX CORPORATION LIMITED

About Us

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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