Precision Digital Corporation VantageView+ PD6928 Instruction Manual
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Precision Digital Corporation VantageView+ PD6928 Instruction Manual

Loop-powered flow rate/totalizer
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PD6928 Loop-Powered
Instruction Manual
•
Loop-Powered Field-Mount Flow Rate/Totalizers
•
4-20 mA Input Displayed with ±0.02% of Full-Scale Accuracy
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1.5 Volt Drop (4.7 Volt Drop with Backlight)
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0.7" (17.0 mm) 5 Alphanumeric Characters Top Display
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0.4" (10.2 mm) 8 Alphanumeric Characters Bottom Display
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20-Segment Bargraph Standard
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Display Mountable at 0°, 90°, 180°, & 270°
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CapTouch Through-Window Button Programming with Normal and Delayed Modes
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Loop-Powered Backlight with Red Backlight for Alarm Conditions
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8-Digit Total & Grand Total Display, Up to 13 Digits Using Both Lines
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Display Rate & Total Simultaneously
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Automatic or Manual Batch Control
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Display Open Channel Flow with Programmable Exponent Feature
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32-Point Linearization & Square Root Extraction
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(2) Open Collector Outputs Standard; Assignable to Pulse, Alarm, Timer, or Stopwatch
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(2) Optional Loop-Powered Solid-State Relays; Assignable to Alarm, Control, Timer, or Stopwatch
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Stopwatch & Timer Functions to Drive Relays & Open Collectors
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Optional Isolated 4-20 mA Analog Output
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Display Relay Runtime & Cycle Count via Relay Info Menu
•
Free PC-Based MeterView XL USB Programming Software
•
®
HART
Protocol Transparent
•
Enable and Disable Backlight from Menu
•
Operating Temperature Range: -40 to 75°C (-40 to 167°F)
•
Conformal Coated PCBs for Dust & Humidity Protection
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Password Protection
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Flange for Wall or Pipe Mounting; Loop for Stainless Steel Tag; Holes for Tamper-Proof Seal
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Plastic NEMA 4X, IP66 Enclosure
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Three 3/4" NPT Threaded Conduit Openings (Two Plugs Installed)
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3-Year Warranty
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
Flow Rate/Totalizer
MeterView XL
USB Install

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Summary of Contents for Precision Digital Corporation VantageView+ PD6928

  • Page 1 Flange for Wall or Pipe Mounting; Loop for Stainless Steel Tag; Holes for Tamper-Proof Seal • Plastic NEMA 4X, IP66 Enclosure • Three 3/4" NPT Threaded Conduit Openings (Two Plugs Installed) • 3-Year Warranty PRECISION DIGITAL CORPORATION 233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com...
  • Page 2 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual The Complete PD6900 Series Plastic Enclosures - General Purpose PD6907-GP-PL PD6908-GP-PL PD6928-GP-PL Feet & Inches Meter Process Meter Flow Rate/Totalizer Aluminum Enclosures - Explosion-Proof & I.S. PD6907-HA-AL PD6908-HA-AL PD6928-HA-AL Feet & Inches Meter Process Meter Flow Rate/Totalizer Stainless Steel Enclosures - Explosion-Proof &...

  • Page 3: Table Of Contents

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Table of Contents Introduction ......................6 Key Features ......................7 Ordering Information ..................12 Accessories ....................12 Specifications..................... 14 Display ......................14 General ......................14 Enclosure ....................... 15 Input ........................ 15 Rate/Totalizer ....................15 Batch Control ....................
  • Page 4 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Programming the Outputs (OUTPUT) ............39 Open Collector Outputs (OPEN COLLECTR) ..........40 Solid-State Relay Outputs (RELAY) ............45 Isolated 4-20 mA Output (4-20 mA) ............52 Output Manual Control (CONTROL) ............. 52 Advanced Features Menu (ADVANCE) ............53 Advanced Rate Setup (ADV RATE) ............
  • Page 5 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Table of Figures Figure 1. Enclosure Dimensions – Front View ............ 19 Figure 2. Enclosure Dimensions – Side View ............. 19 Figure 3. Enclosure Dimensions – Top View ............19 Figure 4. Connector Labeling for PD6928-GP-PL-LNN........21 Figure 5.

  • Page 6: Introduction

    Limited Warranty For more details, see the MeterView XL manual. Four Precision Digital Corporation warrants this CapTouch through-window buttons are available to product against defects in material or operate the instrument without removing the cover. workmanship for the specified period under “Specifications”...

  • Page 7: Key Features

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Key Features CapTouch Buttons Alarm Indicator Self-Calibration Password Protection Solid State Relays 1-2 Indicators 0.7" (17.0 mm) High 5-Character, Alphanumeric Predefined 12-segment Rate Units Trend Two-Color Indicators Backlight 20-Segment 0.4" (10.2 mm) High Bargraph 8-Character, Alphanumeric 14-segment CapTouch Buttons /...
  • Page 8 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Commas on 8-Digit Totalizer for Password Protection A password can be set up for programming security to Easy Reading prevent unauthorized changes to the programmed It may seem like a simple thing, but adding commas parameter settings.
  • Page 9 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Modern and Practical Enclosure The PD6928 NEMA 4X, IP66 plastic enclosure provides serious protection from the elements, high SS Tag Attaching Loop impact, corrosion, dust, etc. The enclosure is also equipped with a loop at the top to easily attach a PDA-SSTAG stainless steel tag.
  • Page 10 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Total Stored in Non-Volatile Rate/Totalizer Features Memory Display Flow Rate & Total at the Total and grand total values, and all programmed settings are stored in non-volatile memory for a minimum of ten years Same Time if power is lost.
  • Page 11 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Control Capabilities Input Signal Conditioning To satisfy applications that require scaling in ways other than the usual 2-point linear method, the PD6928 can also be scaled for square root (DP flow), programmable exponent (open channel flow) or round horizontal tank volume calculation.

  • Page 12: Ordering Information

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Ordering Information General Purpose Instruments VantageView+ PD6928 • Flow Rate/Totalizers • Plastic Enclosure Model Description PD6928-GP-PL-LNN Loop-Powered Field-Mount Flow Rate/Totalizer, No Options PD6928-GP-PL-L2N Loop-Powered Field-Mount Flow Rate/Totalizer, Two Solid-State Relays PD6928-GP-PL-L3N Loop-Powered Field-Mount Flow Rate/Totalizer, 4-20 mA Analog Output PD6928-GP-PL-L5N Loop-Powered Field-Mount Flow Rate/Totalizer, Two Solid-State Relays &...
  • Page 13 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual PDA1024-01 24 VDC Power Supply PD9501 Multi-Function Calibrator The PDA1024-01 is a DIN rail mounted 1.5 A, 24 VDC power supply that can be used to power the 4-20 mA transmitter. This PD9501 Multi-Function Calibrator has a variety PDA6846 2"...

  • Page 14: Specifications

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Specifications General Except where noted all specifications apply to operation at +25°C. Programming Four CapTouch through-window buttons Method when cover is installed. The CapTouch Display buttons can be used with the cover removed. Free PC-based USB MeterView XL Display Dual-line LCD with backlight.

  • Page 15: Enclosure

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Enclosure Rate/Totalizer Rate Display Top display: -9999 to 99999; Material Polycarbonate plastic with UV stabilizer Bottom display: -9,999,999 to 99,999,999 Gasket Buna-N (with commas) Rating NEMA 4X, IP66 plastic, UL 94V-0 Color Gray Total & Grand Top display: 0 to 99999;...

  • Page 16: Common Open Collector & Relay Specifications

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Common Open Collector & Open Collector Outputs Relay Specifications Rating Isolated open collector, sinking NPN 5-30 VDC @ 150 mA maximum Number Two open collectors & two relays Output Pulse, Alarm, Timer, Stopwatch, or Disable High or Low User programmable for high or low alarm Assignment...

  • Page 17: 4-20 Ma Transmitter Output

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual 4-20 mA Transmitter Output MeterView XL Software Accuracy ±0.05% FS ±0.001mA Availability Free download from www.predig.com Output Rate, total, re-transmit; reverse scaling System Microsoft® Windows® 7 & 10 Source allowed Requirements Scaling 1.00 to 23.0 mA Communicati USB 2.0 (Standard USB A to Micro USB B) Range...

  • Page 18: Compliance Information

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Compliance Information EU Declaration of Conformity Electromagnetic Compatibility For shipments to the EU and UK, a Declaration of EMC Emissions • Conformity was printed and included with the product. CFR 47 FCC Part 15 Subpart B Class A emissions requirements (USA) For reference, a Declaration of Conformity is also •...

  • Page 19: Installation

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Installation To access the connectors, remove the enclosure cover and unclip the display module by pulling it from the enclosure. The display module may be disconnected from the options module to facilitate wiring to the options module. 5.65"...

  • Page 20: Connections

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Connections To access the connectors, remove the enclosure cover and unclip the display module by pulling it from the enclosure. Signal, backlight, open collector, and digital input connections are made to removable connectors on the display module.

  • Page 21: Connectors Labeling

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Connectors Labeling The following graphics show the locations of the connectors for each available configuration. – – Open Collector Connection Outputs Ribbon Cable Connector Digital Backlight Input + Signal – – – + BL mA CapTouch On/Off Switch...

  • Page 22: Figure 6. Connector Labeling For Pd6928-Gp-Pl-L3N

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Options Board – – 4-20 mA Open Collector Output – Connection Outputs Ribbon Cable Connector Digital Backlight Input + Signal – – – + BL mA CapTouch On/Off Switch Figure 6. Connector Labeling for PD6928-GP-PL-L3N Options Board –...

  • Page 23: Wiring Diagrams

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Wiring Diagrams Digital Input Connections A digital input is standard on the meter. This digital input is connected with a normally open contact Current Loop (4-20 mA) Connections across DI+ and DI-, or with an active low signal Signal connections are made to a three-terminal applied to DI+ and DI-.

  • Page 24: Open Collector Output Connections

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Open Collector Output Connections Remote Operation of Meter Open collector output 1 and 2 connections are made The meter is equipped with a digital input that can be to terminals labeled OC1 and OC2 on Figure 4, page programmed to perform various functions.

  • Page 25: Setup And Programming

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Setup and Programming CapTouch Buttons Delay The CapTouch have two modes of operation: Normal and Delayed. Use the Delayed mode to prevent The meter is factory calibrated prior to shipment to display accidental trigger of the buttons. In the Delayed 0.00 to 100.00, which corresponds to the 4-20 mA input.

  • Page 26: Meterview Xl Programming Software

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual MeterView XL Programming Software The fastest and easiest way to program the meter is To download the latest MeterView XL programming using the free Meterview XL programming software. software and manual, visit predig.com/meterviewxl. This software greatly simplifies the programming process and allows the user to save configuration files for later use.

  • Page 27: Captouch Buttons And Status Indicators

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual CapTouch Buttons and Status Indicators Indicators Buttons Indicator State Description Button Description Steady Process trend arrows Menu Flashing Alarm Indicator Right Arrow/F1 Steady Password protected Steady Solid-state relay 1 Up Arrow/F2 Steady Solid-state relay 2 CapTouch buttons Enter/F3 Flashing...

  • Page 28: Display Functions & Messages

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Display Functions & Messages Display Functions & Messages Parameter Action/Setting Description The meter displays various functions and messages during setup, programming, and operation. The following table ALARM Program the open collector for shows the main menu functions and messages in the order alarm output they appear in the menu.
  • Page 29 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Display Functions & Messages Display Functions & Messages Parameter Action/Setting Description Parameter Action/Setting Description EXPONENT MAIN Set meter for programmable Program the main meter password exponent and enter exponent TOTAL Program the total reset password value GTOTAL Program the grand total reset...
  • Page 30 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Display Functions & Messages Display Functions & Messages Parameter Action/Setting Description Parameter Action/Setting Description STR-STP DISABLE Start or stop the selected timer Disable the totalizer output BACKLITE Enable/disable display backlight BATCH. F N Set the function key or digital input ENABLE Enable the backlight (default) to batch control...
  • Page 31 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Display Functions & Messages Display Functions & Messages Parameter Action/Setting Description Parameter Action/Setting Description TOTAL+U TAG+TU Display the total and its units Display the tag and total units alternating alternating GTOTAL Display the grand total Disable the bottom display Display the rate’s percentage of R PCT...

  • Page 32: Main Menu

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Main Menu The main menu consists of all the meter’s programmable functions: Input, Output, Advanced, and Display. • Press Menu button to enter Programming Mode then press the Right-Arrow button to move forward through the menu and the Up-Arrow button to move back.

  • Page 33: Setting Numeric Values

    PD6928 Loop-Powered Flow Rate/Totalizer 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 selected digit will flash. Press and hold Up-Arrow to auto-increment the display value. If you have made a mistake or would like to enter a new value, select the left-most digit, and press and hold the Right-Arrow button until all digits reset to zero.

  • Page 34: Scaling The 4-20 Ma Input (Input)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Scaling the 4-20 mA Input (INPUT) It is very important to read the following information before proceeding to program the meter: • The meter is factory calibrated prior to shipment to display 0.00 to 100.00 gal/sec, which corresponds to the 4-20 mA input.

  • Page 35: Available Engineering Units

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Available Engineering Units The meter has preprogrammed rate and time base units. The following are the available units to choose from: Height Units (HEIGHT) Rate Time Bases (TIME) /SECOND INCH Units per second Inches /MINUTE Units per minute FEET...

  • Page 36: Setting Custom Units (Custom)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Setting Custom Units (CUSTOM) When the desired unit class or unit of measure within a class is not available, a custom unit may be programmed. Select the CUSTOM menu (or CUSTOM unit within a unit class) to enter a custom unit name. Text values are set using the Right and Up-Arrow buttons.

  • Page 37: Enabling Or Disabling Commas On The Bottom Display (Comma)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Dual-Scale Mode: Enabling or Disabling Commas on the Top Display: Toggle Rate and GPM Units Bottom Display (COMMA) Bottom Display: Toggle Rate and CFM Units The bottom display is set to show a comma separating the thousands and millions place by default if a numeric value is being displayed.

  • Page 38: Configuring The Display (Top And Bottom)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Configuring the Display (TOp and BOTTOM) The display is configured using the TOP and BOTTOM menus in the DISPLY menu. If the totalizer is disabled and PV2 is enabled, additional options will be available for displaying the second PV on the bottom display.

  • Page 39: Programming The Bargraph (Bargraph)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Programming the Bargraph (BARGRAPH) The VantageView+ Rate/Totalizers come equipped with a bargraph display for applications where a visual representation of the rate or total’s percentage of full scale is desirable. This feature can be changed to represent either rate, a percentage of the rate, total, or it can be disabled, using the Bargraph menu (BARGRAPH).

  • Page 40: Open Collector Outputs (Open Collectr)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Open Collector Outputs (OPEN COLLECTR) The meter is equipped with two NPN open collector outputs that may be set up for pulse outputs, alarms, timed pulses, total reset, or disabled. Pulse outputs can be set to transmit the rate, total, or grand total. Output 2 may be used to generate a quadrature output based on the other open collector output.
  • Page 41 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Pulse Output (PULSE) Pulse outputs may be assigned to output the rate, total, or grand total at a programmable factor. If the output is assigned to rate, the factor is a multiplier that determines the number of pulses generated based on the rate. For example, if the meter display shows 100 gallons/second and the factor is set to 2, the number of pulses generated per second would be 200.
  • Page 42 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Alarm (ALARM) Alarm outputs may be assigned to the rate, total, grand total, or the digital input. When assigned to the rate, the alarm may be set as either a high alarm or a low alarm. Alarm actions (AUTO, AUTO. M AN, LATCH, L-CLEAR) determine how and when the alarm should be reset.
  • Page 43 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Flashing Red Alarm (RED) The last two lines in the preceding menu flow chart show how to program the display to turn red, flash, and display a message when an alarm occurs. Timer (TIMER) The timer output may be set to generate the timed pulse only once (ONESHOT) or continuously (CONT).
  • Page 44 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Stopwatch (STPWATCH) The stopwatch function may be used to manually run and control a process for a specific time interval up to 99 hrs., 59 min, and 59 seconds. The stopwatch function may be assigned to any open collector. There are three settings needed to use the function effectively.

  • Page 45: Solid-State Relay Outputs (Relay)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Solid-State Relay Outputs (RELAY) The meter is optionally equipped with two solid-state relays that may be set up for alarms, sample, timer, batch control, or stopwatch. Alternatively, they may be disabled. Alarms are available based on the rate, total, grand total, or the digital input. The alarm status will show on the display even if the output is not wired.
  • Page 46 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Relay Menu...
  • Page 47 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Alarm (ALARM) Alarm outputs may be assigned to the rate, total, grand total, or the digital input. When assigned to the rate, the alarm may be set as either a high alarm or a low alarm. Alarm actions (AUTO, AUTO. M AN, LATCH, L-CLEAR) determine how and when the alarm should be reset.
  • Page 48 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Sample (SAMPLE) A relay set to sample will trigger when the total or grand total value has incremented by a programmed amount. The relay can be programmed to stay on for a specified amount of time. For example: if a relay is set to sample the total with a COUNT of 1,000 and a TIME of 10 seconds, the relay will engage for 10 seconds whenever the total has incremented by 1,000 (e.g.
  • Page 49 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Control (BATCH) Selecting batch control for relay 1 enables the batching features on the meter. The top display is changed to show the total and the bottom display is changed to display the preset batch amount. The function keys are changed so that F1 starts a batch, F2 opens the preset menu to allow the preset value to be changed, and F3 stops the currently running batch.
  • Page 50 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Control Relay 2 The BATCH option only appears under relay 2 if relay 1 has also been set to batch control. The second relay may be programmed as a preclose relay or as another batching relay with its own preset amount.
  • Page 51 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Stopwatch (STPWATCH) The stopwatch function may be used to manually run and control a process for a specific time interval up to 99 hrs., 59 min, and 59 seconds. The stopwatch function may be assigned to any relay. There are three settings needed to use the function effectively.

  • Page 52: Isolated 4-20 Ma Output (4-20 Ma)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Isolated 4-20 mA Output (4-20 mA) The 4-20 mA menu is used to scale the isolated 4-20 mA output based on display values. This menu is not present on models without a 4-20 mA output option. The 4-20 mA analog output (if equipped) can be scaled to provide a 4-20 mA signal for the rate or total display range or to simply retransmit the 4-20 mA input.

  • Page 53: Advanced Features Menu (Advance)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Advanced Features Menu (ADVANCE) To simplify the setup process, functions not needed for most applications are located in the Advanced Features menu. The options under advanced features include advanced rate, total, and grand total setup, cutoff, filter, password, function key programming, and system settings.
  • Page 54 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Input Signal Conditioning Functions (FUNCTN) The Function menu is used to select the input signal conditioner applied to the input: linear, square root, programmable exponent, or round horizontal tank volume calculation. Multi-point linearization is part of the linear function selection. Meters are set up at the factory for linear function with 2-point linearization.
  • Page 55 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Square Root Linearization (SQROOT) The square root function can be used to linearize the signal from a differential pressure transmitter and display flow rate in engineering units. PD6928 Displaying Flow Rate by Applying the Square Root Function to the Output of a DP Transmitter.
  • Page 56 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Programmable Exponent Linearization (EXPONEN) The programmable exponent can be used to linearize the signal from level transmitters in open-channel flow applications using weirs and flumes. The PD6928, in combination with an ultrasonic level transmitter, makes for an economical way to measure and display open channel flow rate and total in most weirs and flumes.
  • Page 57 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual The Programmable Exponent function is programmed in the following manner:...
  • Page 58 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Multi-Point Linearization (LINEAR) MeterView XL showing the linear Up to 32 linearization points can be selected for rate under points setup feature. Up to 32 the LINEAR function. Multi-point linearization can be used points can be selected. to linearize the input for non-linear signals to convert level to flow using weirs and flumes with complex equations.
  • Page 59 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Advanced Scaling and Calibration (SCALE. C AL) This menu offers options to scale or calibrate the meter. Scaling the Input (SCALE) The scale menu in the Advanced menu is the same as the scale menu in the Input menu. See Scaling the 4-20 mA Input (INPUT) on page 34 for details about scaling the meter.

  • Page 60: Additional Engineering Units

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Additional Engineering Units • If the total is disabled and the dual-scale level feature has been selected, the menus for PV1 & PV2 are enabled. • Additional engineering units become available as shown below.

  • Page 61: Advanced Total And Grand Total Setup (Adv Total & Adv Gtotal)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Advanced Total and Grand Total Setup (ADV TOTAL & ADV GTOTAL) The advanced total and grand total menu contain the count (COUNT) and reset (RESET) menus. The count menu allows the digit limit to be selected between 8-digit (bottom display only) and 13-digit (uses top and bottom display to display full number) and the initial value at which the total or grand total should start counting.

  • Page 62: Low-Flow Cutoff (Cutoff)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Low-Flow Cutoff (CUTOFF) The low-flow cutoff feature allows the meter to be programmed so that the often-unsteady output from a differential pressure transmitter at low flow rates always displays zero on the meter. The cutoff value may be programmed from 0.1 to 99999.

  • Page 63: Enabling Password Protection (Passwrd)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Enabling Password Protection (PASSWRD) The Password menu is used for programming security to prevent unauthorized changes to the programmed parameter settings or undesired resetting of the total or grand total. There are three separate passwords available that can be set independently of each other: Main, Total, and Grand Total.

  • Page 64: Programmable Function Keys User Menu (User)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Programmable Function Keys User Menu (USER) The User menu allows the user to assign the CapTouch buttons function keys F1, F2, and F3, and the digital input (located on the input signal connector) to access some of the menus or to activate certain functions immediately (e.g. reset max &...
  • Page 65 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Function Keys & Digital Input Display Description Available Settings Set the function key or digital input to ALARM. F N acknowledge an alarm Refer to the following table for descriptions of each available function key or digital input setting. Acknowledge all active alarms SETPOINT Set all output set point...

  • Page 66: Changing System Settings (System)

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Changing System Settings (SYSTEM) Analog Output Calibration (AOUTCAL) The System menu contains the following menus: Analog Output Calibration, Restore Factory Defaults, To perform the analog output calibration, it is Totalizer, Backlight, CapTouch Buttons Operation recommended to use a milliamp meter with a Mode, Information, and Internal Calibration.
  • Page 67 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Enabling or Disabling the Calibrating the Internal mA Backlight (BACKLITE) Reference (ICAL) The backlight may be enabled or disabled using the The meter is factory calibrated prior to shipment to display System - Backlight menu. The backlight is enabled by 0.00 to 100.00, which corresponds to the 4-20 mA input.

  • Page 68: Meter Operation

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Meter Operation CapTouch Buttons The meter is equipped with four CapTouch through- The PD6928 is equipped with four capacitive sensors window buttons. These buttons allow meter operation that operate as through-window buttons so that it can without removing the cover and exposing the be programmed and operated without removing the electronics in a harsh operating area.

  • Page 69: Function Keys Operation

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Function Keys Operation Runtime & Cycle Count (INFO) During operation, the programmable function keys The relay information menu shows runtime and cycle operate according to the way they have been count for each relay. These values may be cleared at programmed in the Advanced Features –...

  • Page 70: Total Reset Capabilities

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Total Reset Capabilities The total and grand total can be reset using a CapTouch button, an external contact closure on the digital input, or MeterView XL software. In addition, both total and grand total reset can be password protected to prevent unauthorized resets.

  • Page 71: Batch Controller Operation

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Controller Operation Batch Control Operation Example Selecting batch control for relay 1 enables the batching features on the meter. The top display is The following example shows how two-stage manual changed to show the total and the bottom display is batch control functions with a PD6928.
  • Page 72 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Control Relay 1 The batch total can be set to count UP or DOWN. The batch MAXIMUM is the max preset amount that can be batched. Batching mode can be set to either manual or automatic operation (MANUAL or AUTO). If setting batching to automatic, a delay before the next batch is started must be programmed.
  • Page 73 PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Batch Control Relay 2 The BATCH option only appears under relay 2 if relay 1 has also been set to batch control. The second relay may be programmed as a preclose relay or as another batching relay with its own preset amount.

  • Page 74: Manual Batch Control

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Manual Batch Control The manual batch control feature is used for batch processes that the operator wants to start manually. It can also be used where the batch size needs to be manually adjusted for each batch. The batch can be controlled by the button on the meter, or with a PDA2360 control station connected to the digital input.

  • Page 75: Automatic Batch Control

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Automatic Batch Control The automatic batch control feature is used for batches that start automatically once the previous batch is completed. There is no opportunity for the operator to change the batch size between batches. The batch can be controlled by the button on the meter, or with a PDA2360 control station connected to the digital input.

  • Page 76: Troubleshooting

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Troubleshooting Determining Software Version This product is a highly sophisticated instrument with To determine the software (firmware) version of a an extensive list of features and capabilities. If the meter: CapTouch buttons are used to program the meter, it Press the Menu button to enter can be a difficult task to keep everything straight.

  • Page 77: Factory Default Settings

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Factory Default Settings Parameter Display Default Setting The following table shows the factory setting for most TOTAL TIME 10 seconds Sample Time of the programmable parameters on the meter. BATCH COUNT Batch Count Parameter Display Default Setting BATCH MAXIMUM...

  • Page 78: Troubleshooting Tips

    PD6928 Loop-Powered Flow Rate/Totalizer Instruction Manual Troubleshooting Tips Certain sequences of events can cause unexpected results. To solve these issues, it is best to start fresh from factory defau lts and use the manual as a step by step programming guide, rather than a random approach to programming. To reset the meter to fac tory defaults, see Factory Default Settings on page 77.
  • Page 80 Email: sales@predig.com Place Orders Email: orders@predig.com For the latest version of this manual please visit www.predig.com PRECISION DIGITAL CORPORATION 233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com LIM6928GP_A SFT125 Ver 1.000 & up...

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