Precision Digital Loop Leader Loop-Powered Process Meter, PD6602/3/4
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PD6600 Loop Leader Loop-Powered Process Meter

Brand: Precision Digital Corporation
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The Loop Leader PD6600 is a general-purpose, loop-powered, 1/8 DIN process meter. 

The four front panel buttons make setup and programming of the meter simple and intuitive. 

A dual-line display featuring five digits on the top line and eight digits on the bottom line, preprogrammed engineering units, and optional bar graph display: PD6604 or feet and inches display: PD6603 provide a clear and attractive presentation of the process. 

The units of measure can be changed as needed within a unit class: e.g. volume, temperature, pressure, without the need to re-scale the meter.
Features
  • Loop-Powered Backlight with Red Backlight for Alarm Conditions 
  • Loop-Powered Process Meter 
  • Loop-Powered Feet and Inches Level Meter - PD6603
  • Displays up to 999 Feet 11 and 15/16 Inches - PD6603
  • 1.5 Volt Drop - 4.5 Volt Drop with Backlight
  • IP65 Front 
  • Operating Temperature Range: -40° to 75° C / -40° to 167° F
  • Five Digit Top Line 
  • Alphanumeric Tag Names 
  • Dual Line Display 
  • 1/8 DIN Shallow Depth Case 
  • Optional Loop-Powered Solid State Relays 
  • Optional 4-20 mA Analog Output 
  • Open Collector Output Standard 
  • Optional Bargraph Display - PD6604
  • Timer Functions for Open Collectors and Relays 
  • Relay Pump Alternation Based on Level and Time 
  • Relay Runtime and Cycle Count 

Specifications

Brand

Accuracy

  • 4-20 mA Transmitter Output: ± 0.05 % of Full Scale ± 0.001 mA
  • Process Input (Square Root & Programmable Exponent): 10 to 100 % of Full Scale
  • Process Input: ± 0.02 % of Span ± 1 Count

Alarm

  • Open Collector Output & Solid State Relay Alarm Deadband: 0 to 100 % of Full Scale, User Programmable
  • Open Collector Output & Solid State Relay on & Off Time Delay: 0 to 9,999 seconds
  • Open Collector Output & Solid State Relay: User Programmable for High/Low Alarm

Calibration

  • 4-20 mA Transmitter Output: Factory Calibrated 4-20 mA
  • Recalibration is Recommended at Least Every 12 Months

Display

  • 14-Segment Alphanumeric Characters
  • Bargraph - PD6604
  • Bottom: 0.4” (10.2 mm)
  • On Bottom: Dual-Line LCD with 8-Digit
  • On Top: Dual-Line LCD with 5-Digit
  • Process Input (Display Range): -9,999 to 99,999 on Top Line - PD6602 & PD6604
  • Process Input (Display Range): -9,999,999 to 99,999,999 on Bottom Line - PD6603
  • Top: 0.7” (17.8 mm)

Electrical Connectors

  • Removable Screw Terminals Accept 12 to 22 AWG Wire

Electrical Contacts

  • DI Digital Input Contacts: Normally Open

Electrical Rating

  • Open Collector Output: Two NPN, Isolated Open Collector, 30 Vdc at 90 mA - Max.
  • Solid State Relay (Resistive Load): 250 Vac/dc at 1 A

Enclosure Finish

  • Gray

Enclosure, Body Material

  • High Impact Plastic
  • Noryl Polyphenylene Ether Resin
  • Noryl Polystyrene Blend Resin
  • Stainless Steel
  • Steel

Environmental Protection

  • IP65
  • IP66
  • NEMA 4
  • NEMA 4X

Frequency

  • Open Collector Output (Pulse Output Frequency): 250 Hz, Max.

Gasket Material

  • Silicone Rubber

Humidity

  • 0 to 90 % Relative Humidity, Non-Condensing

Indication

  • LED Backlight

Input

  • DI Digital Input Contact: 2.1 Vdc
  • DI Digital Input Logic High: 2.4-30 Vdc, Max.
  • DI Digital Input Logic Low: 0-0.9 Vdc
  • Process Input (Scaling & Display Range): 4-20 mA
  • Process Input (Voltage Drop with Backlight): 4.5 V, Max.
  • Process Input Overload: over Current Protection to 1 A, Max.

Isolation

  • 4-20 mA Transmitter Output: 500 V

K-Factor

  • Open Collector Output (Pulse Output Factor): 0.000001 to 999,999.9

Load

  • Solid State Relay (Inductive Load): 1/10 hp at 125/250 Vac/dc

Loop Resistance

  • 4-20 mA Transmitter Output: 10 to 750 ohms at 24 Vdc
  • 4-20 mA Transmitter Output: 100 to 1,100 ohms at 30 Vdc

Materials of Construction

  • Buttons: Black Silicone Rubber
  • Faceplate: Lexan Polycarbonate (PC) Film

Mounting

  • 1/8” DIN Panel

Operating Temperature

  • Environmental: -40° to 75° C (-40° to 167° F)

Output

  • 4-20 mA Transmitter Output (Scaling Range): 1-23 mA
  • Analog Output: 4-20 mA

Power Supply

  • 4-20 mA Transmitter Output (External Loop Power Supply): 7-30 Vdc, Max.

Programming

  • Front Panel

Pulse Range

  • Open Collector Output (Pulse Width): 2 milliseconds, 50 % Duty Cycle

Range

  • Process Input (Scaling Range): -999,999.9 to 999,999.9

Resistance

  • Process Input (Equivalent Resistance with Backlight Off): 75 ohms at 20 mA
  • Process Input (Equivalent Resistance with Backlight On): 225 ohms at 20 mA

Storage Temperature

  • -40° to 85° C (-40° to 185° F)

Thermal Drift

  • 4-20 mA Transmitter Output: 0.5 µA/°C, Max.
  • Process Input: 25 ppm/°C from -40° to 75° C (-40° to 167° F) Ambient

Torque

  • Tightening Torque (Screw Terminal Connectors): 0.5 Nm (4.5 In/Lbs)
  • Tightening Torque, Max.

Update Time

  • Display Update Rate at Ambient > -10° C (14° F): 1 Update / 1 second
  • Display Update Rate at Ambient > -20° C (-4° F): 1 Update / 2 seconds
  • Display Update Rate at Ambient -40° C (-40° F): 1 Update / 10 seconds

Voltage Drop

  • Process Input (without Backlight): 1.5 V, Max.

Documentation

Data Sheets

Document

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