Precision Digital PD6928-GP VantageView+ NEMA 4X Loop-Powered Flow Rate/Totalizers

Part Number: PD6928-GP Categories: , Tag:

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The Precision Digital VantageView+ loop-powered flow rate/totalizer provides clear and accurate display of any 4-20 mA signals. Its dual-line display showcases flow rate on the top display and flow totals, grand totals or tags on the bottom display. The display uses 12-segment characters on the top and 14-segment characters on the bottom for clear viewing. The display also features a 20-segment bargraph for a visual representation of flow data.

This device is user-friendly with its CapTouch through-window buttons, which allow for operation without removing the cover. The buttons have two modes of operation and can be disabled for security. The device also features two open collector outputs for alarm indication or pulse output and a digital input for remote reset and other functions. Some models come equipped with two solid-state relays and an isolated 4-20 mA analog output.

Setting up and programming the device is made easy with the included PC-based MeterView XL software, which connects via a micro USB cable. This software simplifies the programming process and saves configuration files for future use. The USB connection also powers the device during programming.

For use in hazardous areas, check out the hazardous area versions of these instruments.

  • Loop-Powered Field-Mount Flow Rate/Totalizers
  • 4-20 mA Input Displayed with ±0.02% of Full-Scale Accuracy
  • 1.5 Volt Drop (4.7 Volt Drop with Backlight)
  • 0.7″ (17.0 mm) 5 Alphanumeric Characters Top Display
  • 0.4″ (10.2 mm) 8 Alphanumeric Characters Bottom Display
  • 20-Segment Bargraph Standard
  • CapTouch Through-Window Button Programming with Normal and Delayed Modes
  • Loop-Powered Backlight with Red Backlight for Alarm Conditions
  • 8-Digit Total & Grand Total Display, Up to 13 Digits Using Both Lines
  • Display Rate & Total Simultaneously
  • Automatic or Manual Batch Control
  • Display Open Channel Flow with Programmable Exponent Feature
  • 32-Point Linearization and Square Root Extraction
  • (2) Open Collector Outputs Standard; Assignable to Pulse, Alarm, Timer, or Stopwatch
  • (2) Optional Loop-Powered Solid-State Relays; Assignable to Alarm, Control, Timer, or Stopwatch
  • Stopwatch & Timer Functions to Drive Relays & Open Collectors
  • Optional Isolated 4-20 mA Analog Output
  • Free PC-Based MeterView XL USB Programming Software
  • Operating Temperature Range: -40 to 75°C (-40 to 167°F)
  • Conformal Coated PCBs for Dust & Humidity Protection
  • Plastic NEMA 4X, IP66 Enclosure
  • 3-Year Warranty

Except where noted all specifications apply to operation at +25°C.

Display

DisplayDual-line LCD with backlight.
Both lines alphanumeric.
Top: 0.7″ (17.8 mm) 5 digits, 12-segment
Bottom: 0.4″ (10.2 mm) 8 characters, 14-segment
Display may be programmed to turn red and flash a user-defined message on alarm condition.
Top Display5 digits (-9999 to 99999) or 5 characters
(all capital & most lower-case letters)
Bottom Display8 digits (-9,999,999 to 99,999,999; separated by commas) or 8 characters
(all capital & most lower-case letters)
BacklightPowered by 4-20 mA loop. Intensity varies with signal level.
Bargraph20 segments
Decimal PointUp to four decimal places on top display and up to seven decimal places on bottom display
CommasCommas to indicate 1000s
(e.g. 88,987,628) on bottom display only
Dual-Scale FeatureIf the totalizer is disabled, the input can be displayed in different scales on the top and bottom displays. For instance, the top display could display the flow in GPM and the bottom display could display that same input in CFM.
Alarm IndicationProgrammable: loop-powered red backlight, flashing display, alarm symbol ⚠ ⚠, bargraph segment flashes on alarm.
Custom Alarm MessagesProgrammable for each relay/open collector: 8 characters maximum; displayed every 10 sec for 1 sec on bottom display. May be turned off.
Display Update RateAmbient > -10°C: 1 Update/Second
Ambient = -20°C: 1 Update/2 Seconds
From -20°C to -40°C the update rate slows down
1 second for every -2°C (e.g. at -24°C, 1 update/4 seconds).
OverrangeTop: 99999
Bottom: 99,999,999 (flashing)
UnderrangeTop: -9999
Bottom: -9,999,999 (flashing)

General

Programming MethodFour CapTouch through-window buttons when cover is installed. The CapTouch buttons can be used with the cover removed. Free PC-based USB MeterView XL programming software.
EnvironmentalOperating temperature range: -40 to 75°C (-40 to 167°F)
Storage temperature range: -40 to 85°C (-40 to 185°F)
Installation temperature range: -40 to 75°C (-40 to 167°F)
Relative humidity: 0 to 90% non-condensing
Printed circuit boards are conformally coated
Noise FilterAverages the input signal over a period of time between 1 and 16 seconds to dampen the effects of a noisy signal that causes a jumpy display.
Filter Bypass0.0 to 99.9% of full scale. Input signal changes greater than bypass value are displayed immediately.
RecalibrationRecalibration is recommended at least every 12 months.
Max/Min DisplayMax/min readings reached by the process are stored until reset by the user or until power to the meter is turned off.
PasswordThe Main password prevents access to the meter Programming Mode.
Total and Grand Total passwords prevent resetting the total and grand total, respectively.
Non-Volatile MemoryTotal and Grand Total values, and all programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost.
Normal Mode Rejection64 dB at 50/60 Hz
ConnectionsRemovable screw terminal blocks
Display terminals: accept 16 to 30 AWG wire
Relay terminals: accept 12 to 26 AWG wire
4-20 mA output: accept 16 to 30 AWG wire
Tightening TorqueDisplay terminals: 2.5 lb-in (0.28 Nm)
Relay terminals: 4.5 lb-in (0.5 Nm)
4-20 mA output terminals: 2.5 lb-in (0.28 Nm)
Overall Dimensions5.25″ x 5.65″ x 4.18″ (133 x 144 x 106 mm) (W x H x D)
Weight1.9 lbs (0.9 kg)
Warranty3 years parts and labor. See Warranty Information and Terms & Conditions for complete details.

Enclosure

MaterialPolycarbonate plastic with UV stabilizer
GasketBuna-N
RatingNEMA 4X, IP66 plastic, UL 94V-0
ColorGrey
WindowClear polycarbonate with UV stabilizer
ConduitsThree 3/4″ NPT threaded conduit openings
PlugTwo 3/4″ NPT plastic conduit plugs with 1.29″ wrenching flats and a screwdriver slot are included
FlangeBuilt-in flange for wall and pipe mounting.
Tamper-Proof SealCover may be secured with tamper-proof seal.

Input

Input4-20 mA
Accuracy±0.02% of span ±1 count
Square root and programmable exponent: 10-100% FS
Voltage DropWithout Backlight: 1.5 V maximum
With backlight: 4.7 V maximum
Equivalent ResistanceWith backlight off: 75 Ω @ 20 mA
With backlight on: 235 Ω @ 20 mA
Input OverloadOver current protection to 1 A maximum
Over voltage protection to 30 VDC max (between mA+ and mA-/BL-)
Temperature Drift25 PPM/°C from -40 to 75°C ambient
FunctionRate: Linear (2-32 points), square root, or programmable exponent.
If the totalizer is disabled, PV1 and PV2: Linear (2-32 points) or round horizontal tank
Low-Flow CutoffPoint below at which the display always shows zero.
0.1 to 999,999 or disable.
HART TransparencyThe meter does not interfere with existing HART communications; it displays the 4-20 mA primary variable and it allows the HART communications to pass through without interruption.
The meter is not affected if a HART communicator is connected to the loop. The meter does not display secondary HART variables.

Rate/Totalizer

Rate DisplayTop display: -9999 to 99999;
Bottom display: -9,999,999 to 99,999,999 (with commas)
Total & Grand Total DisplayTop display: 0 to 99999;
Bottom display: 0 to 99,999,999 (with commas)
13-Digit Total & Grand TotalUp to 9,999,999,999,999 using both lines with 13-digit total feature enabled.
Total & Grand Total IndicationOn bottom display, “T” indicates total and “GT” indicates grand total
Total Decimal PointUp to four decimal places on top, up to seven decimal places on bottom. Total decimal point is independent of rate decimal point.
TotalizerCalculates total based on rate and rate units to display total in engineering units. A custom factor must be programmed if using custom defined units.
Time BaseSeconds, Minutes, Hours, Days
Totalizer RolloverTotalizer rolls over when display exceeds 99,999,999 (9,999,999,999,999
if 13-digit limit enabled). Relay status reflects display.
Total & Grand Total ResetVia CapTouch button, external contact closure on digital input, or MeterView XL.
Total & Grand Total Reset PasswordsTotal and grand total passwords may be entered to prevent resetting the total or grand total unless a password is entered.
Non-Resettable Grand TotalGrand total reset may be disabled through the meter interface. Grand total reset may be permanently disabled by selecting YES at the PERMLOCK menu.
CAUTION
• Once the Grand Total has been programmed as “non-resettable” the feature CANNOT be disabled.
Non-Volatile MemoryTotal and Grand Total values are stored in non-volatile memory for a minimum of ten years if power is lost.

Batch Control

MethodsAutomatic or Manual, count up or count down
Manual Batch StartPressing F1 function key starts the batch
Manual Batch Pause/StopPressing F3 once pauses the batch, pressing it twice cancels the batch
Automatic BatchingThe PD6928 can be used as an automatic batch controller where batches run continuously without operator input
Batching Relay OperationSingle or dual-relay batching with optional preclose for two-stage operation
Batch PresetSet via F2 function key anywhere between 0.0001 to 99,999 based on batch total decimal point. If batch total is assigned to bottom, the preset can be up to 8 digits.
Batch PrecloseFor two-stage batch application, a preclose value can be set to close the main flow line.
Automatic Batch Restart Delay1 to 9,999 seconds. The batch will automatically restart after completion of the last batch.

Common Open Collector & Relay Specifications

NumberTwo open collectors & two relays
High or Low AlarmUser programmable for high or low alarm
Alarm Deadband0-100% FS, user programmable
Output AssignmentAlarm, Timer, Stopwatch, or Disable
Alarm Output SourceAssign to rate, total, grand total, or digital input
On & Off Time Delay0 to 9,999 seconds
Fail-Safe OperationIndependent for each open collector and relay.
Fail-safe on, the output is on under normal conditions.
Fail-safe off, the output is on under alarm conditions.
Alarm OperationAutomatic, automatic with manual override, latching (manual reset anytime), latching with reset after cleared (manual reset only after alarm has cleared)
Alarm IndicationProgrammable: loop-powered red backlight, flashing display, alarm symbol ⚠, bargraph segment flashes on alarm.
Custom Alarm MessagesProgrammable for each relay/open collector: 8 characters maximum; displayed every 10 sec for 1 sec on bottom display. May be turned off.
Alarm AcknowledgeCapTouch ACK button or external digital input resets output and screen indication.
Auto InitializationWhen power is applied to the meter, open collectors and relays will reflect the state of the input to the meter.
Timer OutputOne-shot or Continuous
Off Time Delay: 1 sec to 99:59:59 (hrs:min:sec)
On Time: 1 sec to 99:59:59 (hrs:min:sec)
StopwatchOutput turns on when started and off when stopped.

Open Collector Outputs

RatingIsolated open collector, sinking NPN
5-30 VDC @ 150 mA maximum
Output AssignmentPulse, Alarm, Timer, Stopwatch on/off, or Disable
Pulse Output SourcePulse output based on Rate, Total, Grand Total, or Test Frequency, Alarm, Timer, Total Reset, Stopwatch on/off, or Disable
Pulse Output Factor0.000001 to 999,999.9
Pulse Width0.5 ms @ 1 kHz; 500 ms @ 1 Hz; 50% duty cycle
Pulse Output Frequency1,000 Hz maximum
Quadrature Pulse OutputAvailable for Output 2
(90° behind Output 1) 500 Hz max
Alarm Output SourceAssign to Rate, Total, Grand Total or Digital Input

Solid-State Relays

Rating250 VAC/VDC @ 0.5 A resistive
38 VA; 250 VAC; 0.3 A pilot duty (inductive)
13 VA; 250 VDC; 0.3 A pilot duty (inductive)
Noise SuppressionMetal oxide varistors across outputs
Relay AssignmentAlarm, Sample, Timer, Batch, Stopwatch on/off, or Disable
Alarm Output SourceAssign to Rate, Total, Grand Total, or Digital Input
Relay RuntimeMeter will keep track of how long each relay has operated and display this information.
Relay CyclesMeter will keep track of how many times the relays have cycled and display this information.

4-20 mA Transmitter Output

Accuracy±0.05% FS ±0.001mA
Output SourceRate, total, re-transmit; reverse scaling allowed
Scaling Range1.00 to 23.0 mA
DisableHigh impedance state, less than 1 mA
CalibrationFactory calibrated 4.00 to 20.00 mA
Underrange1.0 mA, 3.5 mA, or 3.8 mA (If input < 3.5 mA); or or Off; user selectable
Overrange20.5 mA, 20.8 mA, or 23.0 mA (If input > 20.5 mA); or Off; user selectable
Isolation500 V input-to-output
Temperature Drift0.5 μA/°C max from -40 to 75°C ambient
External Loop Power Supply7.0 VDC to 30.0 VDC maximum
Output Loop Resistance10-750 Ω @ 24 VDC; 10-1100 Ω @ 30 VDC

On-Board Digital Input

FunctionRemote operation of front-panel buttons, acknowledge/reset relays, reset total, reset max/min values, etc.
Contacts2.1 VDC on contact. Connect normally open contacts across DI+ and DI-
Logic LevelsLogic High: 2.4 to 30 VDC (max)
Logic Low: 0 to 0.9 VDC

MeterView XL Programming Software

AvailabilityFree download from www.predig.com/meterviewxl
System RequirementsMicrosoft® Windows® 7 & 10
CommunicationsUSB 2.0 (Standard USB A to USB B) Cable provided
ConfigurationConfigure all parameters on the meter. Configure meters one at a time.
Configuration FilesGenerate with or without meter connected; Save to file for later use.
USB Power ConnectionMeter is powered by USB connection during programming, if 4-20 mA loop is not connected.
WARNING
• The meter should only be connected to a computer while it is located in a safe area.
CompatibilityPrograms created for Loop Leader and Loop Leader+ may be run on either meter. Programs created for VantageView+ and ProtEX+ can be run on either meter. No other program sharing is permissible.

General Compliance Information

Electromagnetic Compatibility

EMC Emissions• CFR 47 FCC Part 15 Subpart B Class A emissions requirements (USA)
• ICES-003 Information Technology emissions requirements (Canada)
• AS/NZS CISPR 11 Group 1 Class A ISM emissions requirements (Australia/New Zealand)
• EN 55011 Group 1 Class A ISM emissions requirements (EU)
• EN 61000-6-4 Emissions requirements for Heavy Industrial Environments – Generic
EMC Emissions and ImmunityEN 61326-1
EMC requirements for Electrical equipment for measurement, control, and laboratory use – industrial use

 

Datasheet: Precision Digital PD6928 Datasheet
Instruction Manual: Precision Digital PD6928-GP Instruction Manual

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