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PRECISION DIGITAL Javelin D PD644 Instruction Manual

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•
Measures DC Voltage up to 300 VDC
•
4 Digit Display, 0.56" (14 mm) High, Red LEDs
•
Maximum/Minimum Display
•
NEMA 4X, IP65 Front
•
4-20 mA Transmitter
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Universal Power Supply 85-265 VAC
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12-36 VDC/12-24 VAC Power Option
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Two Relays Option
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RS-485 Serial Communication
•
Modbus
•
Copy Meter Settings to Other Meters
PRECISION DIGITAL CORPORATION
Find Quality Products Online at:
Javelin D • Model PD644
Instruction Manual
®
RTU Option
GlobalTestSupply
www.
.com
sales@GlobalTestSupply.com

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Summary of Contents for PRECISION DIGITAL Javelin D PD644

  • Page 1 Universal Power Supply 85-265 VAC • 12-36 VDC/12-24 VAC Power Option • Two Relays Option • RS-485 Serial Communication • ® Modbus RTU Option • Copy Meter Settings to Other Meters PRECISION DIGITAL CORPORATION GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 2 Instruction Manual Disclaimer The information contained in this document is subject to change without notice. Precision Digital Corporation makes no representations or warranties with respect to the contents hereof, and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose.

  • Page 3: Introduction

    Javelin D Model PD644 Voltmeter Instruction Manual INTRODUCTION The Javelin D is an easy to use digital voltmeter with built-in 4-20 mA isolated transmitter and RS-485 serial communication capability. The four front panel buttons provide quick and simple setup and programming. The optional Form C relays can be used for alarm indication or process control applications.

  • Page 4: Table Of Contents

    Javelin D Model PD644 Voltmeter Instruction Manual Table of Contents INTRODUCTION ------------------------------------------------------------ 3 ORDERING INFORMATION --------------------------------------------- 3 SAFETY INFORMATION ------------------------------------------------- 6 SPECIFICATIONS---------------------------------------------------------- 7 General------------------------------------------------------------------------------- 7 Voltage Measurement Input--------------------------------------------------- 8 Safety Compliance --------------------------------------------------------------- 8 Relays Option---------------------------------------------------------------------- 9 Isolated 4-20 mA Transmitter Output ------------------------------------ 10 Serial Communications------------------------------------------------------- 10 INSTALLATION ------------------------------------------------------------11 Unpacking------------------------------------------------------------------------- 11...
  • Page 5 Javelin D Model PD644 Voltmeter Instruction Manual Setting Up the Password (pass) ------------------------------------------- 35 Locking the Meter ------------------------------------------------------------ 35 Unlocking the Meter---------------------------------------------------------- 36 Advanced Features Menu---------------------------------------------------- 37 Advanced Features Menu & Display Messages ---------------------- 38 Noise Filter (fltr)------------------------------------------------------------ 39 Noise Filter Bypass (byps) ------------------------------------------------- 39 Serial Communications (serl) -------------------------------------------- 40 Select Menu (SElc) ---------------------------------------------------------- 40 Display Intensity (inty) ----------------------------------------------------- 41...

  • Page 6: Safety Information

    Javelin D Model PD644 Voltmeter Instruction Manual Table of Figures Figure 1. Panel Cutout and Mounting ..........11 Figure 2. Power Connections ............12 Figure 3. DC Voltage Signal Connections ........13 Figure 4. RS-485 Data Bus Connections .......... 14 Figure 5.

  • Page 7: Specifications

    Javelin D Model PD644 Voltmeter Instruction Manual SPECIFICATIONS Except where noted all specifications apply to operation at 77°F (25°C). General DISPLAY 0.56" (14 mm) high, red LED Four digits (-1999 to 9999), automatic lead zero blanking. DISPLAY INTENSITY Eight intensity levels DISPLAY Minimum of five times per second UPDATE RATE...

  • Page 8: Voltage Measurement Input

    Javelin D • Model PD644 Voltmeter Instruction Manual ENVIRONMENTAL Operating temperature range: 32 to 150°F (0 to 65°C) Storage temperature range: -40 to 185°F (-40 to 85°C) Relative humidity: 0 to 90%, non-condensing CONNECTIONS Removable screw terminal blocks accept 12 to 26 AWG wire ENCLOSURE 1/8 DIN, high impact plastic,...

  • Page 9: Relays Option

    Javelin D Model PD644 Voltmeter Instruction Manual Relays Option RATING 2 SPDT (form C); rated 3 A @ 30 VDC or 3 A @ 250 VAC resistive load; 1/14 HP @ 125/250 VAC for inductive loads ELECTRICAL A suppressor (snubber) should be connected to each relay NOISE contact switching inductive loads, to prevent SUPPRESSION...

  • Page 10: Isolated 4-20 Ma Transmitter Output

    0.01 – 2.54 sec (Modbus only) TIMEOUT TURN AROUND Less than 2 ms (fixed) DELAY Request or download copies of the Precision Digital Serial Communication Pro- ® tocol and Modbus Register Tables specifications for details about serial data communications with Precision Digital products. GlobalTestSupply www.

  • Page 11: Installation

    Javelin D Model PD644 Voltmeter Instruction Manual INSTALLATION There is no need to remove the meter from its case to com- plete the installation, wiring, and setup of the meter. Unpacking Remove the meter from box. Inspect the packaging and con- tents for damage.

  • Page 12: Connections

    Javelin D Model PD644 Voltmeter Instruction Manual Connections All connections are made to removable screw terminal connectors located at the rear of the meter. You must use copper wire with 60°C or 60/75°C insulation. Observe all safety regulations. Electrical wiring should be performed in accordance with all appli- cable national, state, and local codes to prevent damage to the meter and ensure personnel safety.

  • Page 13: Dc Voltage Measurement Connections

    Javelin D Model PD644 Voltmeter Instruction Manual DC Voltage Measurement Connections Figure 4 shows how to connect the DC voltage to be measured. The voltage on terminal V- must be at ground potential. Be sure to ob- serve the correct polarity. The reversal of polarity can result in damage to the meter and associated data communications equipment and can expose personnel to electrical...

  • Page 14: Serial Communication

    For non-multiplexed serial communications with RS-232 data communi- cations equipment such as a personal computer, an RS-232 to RS-485 converter such as the Precision Digital PDA7485 is required. If using a PDA7485, connect the PD644 according to the PDA7485 wiring dia- gram for a two wire RS-485 application.

  • Page 15: Switching Inductive Loads

    Figure 2. Low Voltage DC Loads Protection RC Networks Available from Precision Digital RC networks are available from Precision Digital and should be applied to each relay contact switching an inductive load. Part number: PDX6901. Note: Relays are de-rated to 1/14th HP (50 watts) with an inductive load.

  • Page 16: 4-20 Ma Output Signal Connections

    Javelin D Model PD644 Voltmeter Instruction Manual 4-20 mA Output Signal Connections Connections for the 4-20 mA transmitter are made to the screw terminal connector labeled mA OUT. The 4-20 mA transmitter may be powered from an internal power supply (optional) available at the screw terminal connector labeled 24V OUT or from an external power supply.

  • Page 17: Setup And Programming

    Javelin D Model PD644 Voltmeter Instruction Manual SETUP AND PROGRAMMING There is no need to recalibrate the meter when first received from the factory. The meter is factory calibrated prior to ship- ment. The calibration equipment used at the factory is certified to NIST standards. Overview All setup and programming functions are done with the front panel but- tons.

  • Page 18: Front Panel Buttons And Status Led Indicators

    Javelin D Model PD644 Voltmeter Instruction Manual Front Panel Buttons and Status LED Indicators 237. 7 Button Description Status Symbol Menu Alarm 1 Right arrow/Reset Alarm 2 Up arrow/Max Set point indicator Enter/Ack Reset point indicator Press the Menu button to enter or exit the Programming Mode at any time.

  • Page 19: Display Functions And Messages

    Javelin D Model PD644 Voltmeter Instruction Manual Display Functions and Messages The meter displays various functions and messages during setup/programming and operation. The following table shows the dis- played functions and messages with their action or setting description. Display Parameter Action/Setting setu Setup...
  • Page 20 Javelin D Model PD644 Voltmeter Instruction Manual Display Parameter Action/Setting Set relay 1 On time delay OFF1 Off1 Set relay 1 Off time delay DLY2 Delay2 Enter relay 2 time delay setup Set relay 2 On time delay OFF2 Off2 Set relay 2 Off time delay Aout Analog output...

  • Page 21: Main Menu

    Javelin D Model PD644 Voltmeter Instruction Manual Main Menu The main menu consists of the most commonly used functions: Setup, Program, and Password. Press Menu button to enter Programming Mode then press Up arrow button to scroll main menu. Mode 237.

  • Page 22: Setting Numeric Values

    Javelin D Model PD644 Voltmeter Instruction Manual Setting Numeric Values The numeric values are set using the Right and Up arrow buttons. Press Right arrow to select next digit and Up arrow to increment digit value. The digit being changed is displayed brighter than the rest. Press the Enter/Ack button, at any time, to accept a setting or Menu button to exit without saving changes.

  • Page 23: Setting The Relay Operation (Rely)

    Javelin D Model PD644 Voltmeter Instruction Manual Setting the Relay Operation (rely) This menu allows you to set up the operation of the relays: Relay action Automatic reset only (non-latching) Automatic plus manual reset at any time (non-latching) Latching (manual reset only) Latching with Clear (manual reset only after alarm condi- tion has cleared) Alternation control (automatic reset only)
  • Page 24 Javelin D Model PD644 Voltmeter Instruction Manual Setting the Relay Action The relay Action menu allows the user to set up the operation of the relays. The relays may be set up for any of the following modes of op- eration: Automatic reset (non-latching) Automatic plus manual reset at any time (non-latching)
  • Page 25 Javelin D Model PD644 Voltmeter Instruction Manual Setting Fail-Safe Operation The fail-safe operation is set independently for each relay. Select on to enable or select off to disable fail-safe operation. FLSF Press Enter/Ack button to accept setting Press Menu button to exit at any time FLS1 FLS2 Programming Time Delay...

  • Page 26: Relay And Alarm Operation

    Javelin D Model PD644 Voltmeter Instruction Manual Relay and Alarm Operation The following graphs illustrate the operation of the relays, status LEDs, and ACK button. High Alarm Operation (Set > Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed...
  • Page 27 Javelin D Model PD644 Voltmeter Instruction Manual Low Alarm Operation (Set < Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing above Reset (latching with clear) For Manual reset mode, ACK can be pressed anytime to turn "off"...
  • Page 28 Javelin D Model PD644 Voltmeter Instruction Manual High Alarm with Fail-Safe Operation (Set > Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing below Reset (latching with clear) Fail-safe operation: relay coil is energized in non-alarm condition.
  • Page 29 Javelin D Model PD644 Voltmeter Instruction Manual Low Alarm with Fail-Safe Operation (Set < Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing above Reset (latching with clear) Fail-safe operation: relay coil is energized in non-alarm condition.
  • Page 30 Javelin D Model PD644 Voltmeter Instruction Manual Time Delay Operation The following graphs show the operation of the time delay function. Input Reset <Tdelay <Tdelay >=Tdelay Relay On Time Delay Input Reset <Tdelay <Tdelay >=Tdelay Relay Off Time Delay If the signal crosses the set point, the On time delay timer starts and the relay trips when the time delay has elapsed.
  • Page 31 Javelin D Model PD644 Voltmeter Instruction Manual GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 32: Scaling The 4-20 Ma Analog Output (Aout)

    Javelin D Model PD644 Voltmeter Instruction Manual Scaling the 4-20 mA Analog Output (Aout) The 4-20 mA analog output can be scaled to provide a 4-20 mA signal for any display range selected. No equipment is needed to scale the analog output, simply program the display values to the corresponding mA output signal.

  • Page 33: Programming The Meter (Prog)

    Javelin D Model PD644 Voltmeter Instruction Manual Programming the Meter (prog) It is very important to read the following information, before proceeding to program the meter: There is no need to recalibrate the meter when first received from the factory. The meter is factory calibrated prior to shipment.

  • Page 34: Scaling The Meter (Scal)

    Javelin D Model PD644 Voltmeter Instruction Manual Scaling the Meter (scal) The 0 to 300 VDC input can be scaled to display convenient engineer- ing units. A signal source is not needed to scale the meter; simply program the inputs and corresponding display values. Press Enter to Accept Setting scal Press Up to Set Digit Value...

  • Page 35: Recalibrating Process Inputs (Ical)

    Javelin D Model PD644 Voltmeter Instruction Manual Error Message (Err) An error message indicates that the calibration or scaling process was not successful. After the error message is displayed, the meter reverts to input 1, allow- ing acceptable input voltages to be applied or valid data to be entered. The error message might be caused by any of the following conditions: Input signal is not connected to the proper terminals or it is con- nected backwards.

  • Page 36: Unlocking The Meter

    Javelin D Model PD644 Voltmeter Instruction Manual Record the password for future reference. If appropriate, it may be re- corded in the space provided. Model: Serial Number: Password: __ __ __ __ Unlocking the Meter If the meter is password protected, the correct password must be en- tered in order to make changes to the parameter settings.

  • Page 37: Advanced Features Menu

    Javelin D Model PD644 Voltmeter Instruction Manual Advanced Features Menu To simplify the setup process, functions not needed for most applica- tions are located in the Advanced features menu. Press and hold the Right arrow and the Menu buttons, for three sec- onds, to access the Advanced features of the meter (Tip: press and hold Right arrow first then press Menu).

  • Page 38: Advanced Features Menu & Display Messages

    Javelin D Model PD644 Voltmeter Instruction Manual Advanced Features Menu & Display Messages Display Parameter Action/Setting fltr Set noise filter value Filter byps Bypass Set filter bypass value serl Serial Set serial communication parameters prot Protocol Enter the Protocol menu Select PDC protocol ®...

  • Page 39: Noise Filter (Fltr)

    Javelin D Model PD644 Voltmeter Instruction Manual Display Parameter Action/Setting SErL Serial Display serial communication settings Info Display software version and serial number Information information Noise Filter (fltr) Most applications do not require changing this parameter. It is intended to help attain a steady display with an unsteady (noisy) input signal. The field selectable noise filter averages any minor or quick changes in the input signal and displays the reading with greater stability.

  • Page 40: Serial Communications (Serl)

    To communicate with a computer or other data communications equip- ment which lacks an RS-485 interface, an RS-232 to RS-485 adapter such as the Precision Digital PDA7485 is required. Please refer to Or- dering Information on page 3 for details.

  • Page 41: Display Intensity (Inty)

    Javelin D Model PD644 Voltmeter Instruction Manual Display Intensity (inty) The Display Intensity function provides a selection from eight brightness levels to accommodate a wide variety of ambient lighting conditions. Advanced Features Press Enter to Accept Setting SELc Press Up to Select Value Press Menu to Exit at any Time inty int3...

  • Page 42: Meter Copy Function (Copy)

    Javelin D Model PD644 Voltmeter Instruction Manual Meter Copy Function (Copy) The Copy function is used to copy (or clone) all the settings from one meter to other meters requiring exactly the same setup and program- ming (alarms, filter, bypass, etc.). The copy function must not be en- gaged while more that two meters are connected together.
  • Page 43 Javelin D Model PD644 Voltmeter Instruction Manual Meter Copying Instructions Connect the RS-485 terminals of the two meters according to this table. Master Clone Power up both meters. Leave the Clone meter in Run Mode. Enter the Advanced features menu of the Master meter, see Advanced Features Menu, page 37.

  • Page 44: Internal Calibration (Ical)

    Javelin D Model PD644 Voltmeter Instruction Manual Internal Calibration (ICal) There is no need to recalibrate the meter when first received from the factory. The meter is factory calibrated prior to shipment. The calibration equipment used at the factory is certified to NIST stan- dards.
  • Page 45 Javelin D Model PD644 Voltmeter Instruction Manual I Cal Set Display Value for Low Input Volt 000. 0 Display Flashes During Calibrate Sampling High Input Notes: Low and high input signals can be anywhere between 0 and 300 VDC. Observe minimum input span requirement of 10 VDC between input 1 and input 2.

  • Page 46: Operation

    Javelin D Model PD644 Voltmeter Instruction Manual OPERATION The meter is capable of accepting positive DC voltage signals and dis- playing these signals in engineering units from -1999 to 9999. Front Panel Buttons Operation Button Description Symbol Press to enter or exit Programming Mode, view settings, or exit Max/Min display If displaying Max or Min reading, press to reset Max or Min reading...

  • Page 47: Maximum And Minimum Readings

    Javelin D Model PD644 Voltmeter Instruction Manual Maximum and Minimum Readings The main function of the front panel buttons during operation is to dis- play the maximum and minimum readings. Actual Reading 237. 3 246. 8 229. 1 10 Sec Timeout Press to Display and to Toggle Between Max &...

  • Page 48: Mounting Dimensions

    Javelin D Model PD644 Voltmeter Instruction Manual MOUNTING DIMENSIONS 1.76" (45mm) 2.45" (62mm) 3.2" 0.59" (81mm) (15mm) 3.6" (91mm) Figure 12. Meter Dimensions – Side View 2.50" (64mm) 3.61" (92mm) 4.68" (119mm) Figure 13. Case Dimensions - Top View GlobalTestSupply www.

  • Page 49: Troubleshooting

    Javelin D Model PD644 Voltmeter Instruction Manual TROUBLESHOOTING The rugged design and the user-friendly interface of the meter make it unusual for the installer or operator to need to refer to this section. If the meter is not working as expected, refer to the Diagnostics menu and the recommendations below.

  • Page 50: Factory Defaults & User Settings

    Javelin D Model PD644 Voltmeter Instruction Manual Factory Defaults & User Settings The following table shows the factory setting for most of the program- mable parameters on the meter. Next to the factory setting, the user should record the setting for the particular application. Model: ________ S/N: _______________ Date: _________...
  • Page 51 Javelin D Model PD644 Voltmeter Instruction Manual Parameter Display Default Setting User Setting Aout Output ScAL DiS1 Display 1 out1 Output 1 4.00 mA Dis2 Display 2 200.0 out2 Output 2 20.00 mA pass Password 0000 (unlocked) Advanced Features fltr Filter byps Bypass...

  • Page 52: Reset Meter To Factory Defaults

    Javelin D Model PD644 Voltmeter Instruction Manual Reset Meter to Factory Defaults When the parameters have been changed in a way that is difficult to determine what’s happening, it might be better to start the setup proc- ess from the factory defaults. Instructions to load factory defaults: Enter the Advanced features menu.

  • Page 53: Troubleshooting Tips

    Javelin D Model PD644 Voltmeter Instruction Manual Troubleshooting Tips Symptom Check/Action Check power at power connector. No display at all Meter is locked, enter correct four-digit Not able to change setup or pro- password to unlock. gramming, LoCd is displayed Check: Meter displays error message 1.

  • Page 54: User Interface Quick Reference Guide

    Javelin D Model PD644 Voltmeter Instruction Manual USER INTERFACE QUICK REFERENCE GUIDE Display Run Mode Max/Min Setup Decimal dddd Point Program d . ddd Password dd . dd ddd . d Locked Unlocked Relays Relay 1 Action Auto Relay 2 Set Point Auto &...
  • Page 55 Javelin D Model PD644 Voltmeter Instruction Manual Pushbutton Function Menu Go to Programming Mode or leave Programming, Advanced Features, and Max/Min Modes. Right Arrow Move to next digit. Up Arrow Move to next selection or increment digit. Enter/Ack Accept selection/value and move to next selection. Right Arrow &...
  • Page 56 Javelin D • Model PD644 Voltmeter Instruction Manual LIM644_E SFT028 Ver 1.0 10/15 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

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