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Page 1

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Loop-Powered Totalizer

IECEx

PD6626 & PD6628 Only

• 4-20 mA Input

• Loop-Powered Flow Rate/Totalizer

• 1.5 Volt Drop (4.5 Volt Drop with Backlight)

• Display Rate & Total Simultaneously

• Loop-Powered Backlight with Red Backlight for Alarm Conditions

• NEMA 4X, IP65 Front

• -40 to 167°F (-40 to 75°C) Safe Area Operating Temperature Range

• Free PC-Based USB Programming Software

• 5-Digit Alphanumeric Top Line

• 8-Digit Alphanumeric Bottom Line

• 8-Digit Total & Grand Total Display with 13 Digits Using Top Line

• 20-Segment Bargraph with Numeric Percent Indication

• Conformal Coated PCBs for Dust & Humidity Protection

• Two Open Collector Outputs Standard

• Dual-Line Display

• 1/8 DIN Shallow Depth Case

• Optional Loop-Powered Solid-State Relays

• Optional 4-20 mA Analog Output

• UL & C-UL 61010 Listed for Electrical Safety

• UL & C-UL Listed as Intrinsically Safe and Nonincendive

• ATEX and IECEx Certified as Intrinsically Safe

PRECISION DIGITAL CORPORATION

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Page 2

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

CAUTION: Read complete

instructions prior to installa-

tion and operation of the

meter.

WARNING: Risk of elec-

tric shock or personal

injury.

Warning!

This product is not recommended for life support applications or applications where malfunctioning could result in personal injury or property loss. Anyone using this product for such applications does so at his/her own risk. Precision Digital Corporation shall not be held liable for damages resulting from such improper use.

Disclaimer

The information contained in this document is subject to change without notice. Precision Digital 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.

Limited Warranty

Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under “Specifications” from the date of shipment from the factory. Precision Digital’s liability under this limited warranty shall not exceed the purchase value, repair, or replacement of the defective unit.

Registered Trademarks

NORYL® and LEXAN® are registered trademarks of SABIC Innovative Plastics. All other trademarks mentioned in this document are the property of their respective owners.

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Page 3

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Table of Contents ----------------------------------------- 3 Table of Figures ------------------------------------------- 3 Introduction ------------------------------------------------- 4 Ordering Information ------------------------------------ 5

General Purpose Instruments -------------------------------- 5 Hazardous Area Instruments ---------------------------------- 5 Enclosures ---------------------------------------------------------- 5

Specifications ---------------------------------------------- 6

Input ------------------------------------------------------------------- 6 Display ---------------------------------------------------------------- 6 General --------------------------------------------------------------- 6 Rate/Totalizer ------------------------------------------------------- 7 Batch Control ------------------------------------------------------- 7 Common Open Collector & Relay (Alarm) Specifications ------------------------------------------------------ 7 Open Collector Output ------------------------------------------ 7 Solid State Relays ------------------------------------------------ 8 4-20 mA Transmitter Output ----------------------------------- 8 MeterView XL Programming Software --------------------- 8

General Compliance Information -------------------- 9

Electromagnetic Compatibility ------------------------------- 9

PD6626 & PD6628 Compliance Information ------ 9

Safety------------------------------------------------------------------ 9 Hazardous Area Approvals ------------------------------------ 9

Safety Information -------------------------------------- 11 Installation ------------------------------------------------ 11

Unpacking --------------------------------------------------------- 11 Panel Mounting Instructions -------------------------------- 12

Mounting Dimensions ----------------------------------------- 12

Connections ------------------------------------------------------ 13

Connectors Labeling ------------------------------------------ 13 Safe Area Current Loop (4-20 mA) Connections ------ 14 Safe Area Digital Input Connection ----------------------- 14 Safe Area 4-20 mA Output Connections ----------------- 15 Safe Area Solid State Relay Connections --------------- 15 Safe Area Open Collector Outputs ------------------------ 16

Setup and Programming ------------------------------ 17

Overview ----------------------------------------------------------- 17 Front Panel Buttons and Status LED Indicators ------ 17 MeterView XL Programming Software ------------------- 18 Display Functions & Messages----------------------------- 19

Main Menu --------------------------------------------------------- 23

Setting Numeric Values -------------------------------------- 23

Setting Up the Input Signal (INPUT) ---------------------- 24

Available Unit Classes and Units -------------------------- 25 Setting Custom Units (CUSTOM) --------------------------- 25 Scaling the 4-20 mA Input ----------------------------------- 25

Setting the Display Features (DISPLAY) ---------------- 26

Changing the Units (UNITS) -------------------------------- 26 Changing the Decimal Point Location (DEC.PT) -------- 26 Enabling or Disabling the Comma on the Bottom Display (COMMA) ----------------------------------------------- 26 Programming the Bargraph (PD6624 & PD6628 Only)

--------------------------------------------------------------------- 26 Changing What is Displayed (TOP and BOTTOM) ----- 27

Programming the Outputs (OUTPUT) --------------------- 28

Open Collector Outputs (OPEN COLLECTR) ----------- 29 Solid State Relay Outputs (RELAY) ----------------------- 33 4-20 mA Output (4-20 mA) -------------------------------- 38 Output Control (CONTROL) ---------------------------------- 38

Advanced Features Menu (ADVANCED) ------------------ 39

Advanced Rate, Total, and Grand Total Setup (ADV RATE, TOTAL, GTOTAL) ------------------------------------- 39

Low-Flow Cutoff (CUTOFF) ---------------------------------- 42 Noise Filter (FILTER) ---------------------------------------- 42 Enabling Password Protection (PASSWRD) ------------- 42 Programmable Function Keys User Menu (USER) ---- 43 Changing System Settings (SYSTEM) -------------------- 44

Meter Operation ------------------------------------------ 46

Front Panel Buttons Operation ----------------------------- 46 Function Keys Operation ------------------------------------- 46 Digital Input Operation ---------------------------------------- 46 Maximum/Minimum Readings ------------------------------ 46 Changing Engineering Units -------------------------------- 46

Troubleshooting ----------------------------------------- 47

Reset Meter to Factory Defaults --------------------------- 47 Determining Software Version ----------------------------- 47

Factory Default Settings ------------------------------------- 48

Troubleshooting Tips ------------------------------------------ 49

EU Declaration of Conformity for PD6622 & PD6624 ------------------------------------------------------ 50

EU Declaration of Conformity for PD6626 & PD6628 ------------------------------------------------------ 51

Table of Figures

Figure 1. 1/8 DIN Panel Cutout Dimensions and Panel

Mounting Details ................................................... 12

Figure 2. Meter Dimensions - Side View ....................... 12

Figure 3. Meter Dimensions - Front View ...................... 12

Figure 4. Connector Labeling for Fully Loaded Meter ... 13 Figure 5. 4-20 mA Input Connection without Backlight .. 14

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Figure 6. 4-20 mA Input Connection with Backlight ....... 14

Figure 7. Digital Input Connections ................................ 14

Figure 8. 4-20 mA Output Connections .......................... 15

Figure 9. Solid State Relay Connections ....................... 15

Figure 10. Open Collector Output Connections ............. 16

Page 4

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Introduction

These loop-powered 1/8 DIN flow rate/totalizers can be installed virtually anywhere to provide convenient and informative display of flow rate and total from a 4-20 mA signal. One of the most convenient features of these instruments is their ability to display both flow rate and total at the same time. For instance, flow rate is typically displayed on the 5-digit alphanumeric top line and flow total or grand total is typically displayed on the 8-digit alphanumeric bottom line.

Both of these lines use 14-segment, alphanumeric characters for clear indication of tags, units or alarm messages. Further enhancing the display on these instruments is a 20-segment bargraph available on the PD6624/8 that also includes a numeric value of the percentage the bargraph represents.

These flow rate/totalizers can be installed virtually anywhere because they get their power from the 4-20 mA loop and therefore require no separate power source. And they only drop 1.5 V (4.5 V with backlight), so they add very little burden to the loop. Additional features that allow these instruments to be installed virtually anywhere include a NEMA 4X, IP65 front panel, an operating temperature range of -40 to 167°F (-40 to 75°C) (for safe area products), conformally coated PCBs, and a backlit LCD that can be read in bright sunlight or dimly lit areas. Finally, there are intrinsically safe and nonincendive versions of these instruments that can be installed in hazardous areas.

Free, PC-based, software that connects to the meter via a micro USB cable is available for programming and setup of the meters. In addition, the meter can be programmed, setup and operated via the four front panel buttons. Three of these buttons can be used as function keys. In addition, a digital input is standard and is particularly useful for remote reset of the total or to start/stop a timer/batch.

All models come equipped with two open collector outputs and are available with two solid state relays and 4-20 mA analog output options. The open collector outputs are useful for alarm indication or sending a pulse to indicate when a certain amount of total has been accumulated. The relays can be programmed for alarm indication, on/off control, sample taking, or simple batch control.

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Page 5

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Loop Leader PD6622 • Standard Decimal Models – General Purpose

Model

Description

PD6622–LNN

Loop-Powered, General Purpose, No Options

PD6622–L2N

Loop-Powered, General Purpose, Two Solid State Relays

PD6622–L3N

Loop-Powered, General Purpose, 4-20 mA Analog Output

PD6622–L5N

Loop-Powered, General Purpose, Two Solid State Relays and 4-20 mA Analog Output

Loop Leader PD6624 • Bargraph Models – General Purpose

Model

Description

PD6624–LNN

Loop-Powered, General Purpose, Bargraph, No Options

PD6624–L2N

Loop-Powered, General Purpose, Bargraph, Two Solid State Relays

PD6624–L3N

Loop-Powered, General Purpose, Bargraph, 4-20 mA Analog Output

PD6624–L5N

Loop-Powered, General Purpose, Bargraph, Two Solid State Relays and 4-20 mA Analog Output

Loop Leader PD6626 • Standard Decimal Models – Hazardous Area

Model

Description

PD6626–LNN

Loop-Powered, Hazardous Area, No Options

PD6626–L2N

Loop-Powered, Hazardous Area, Two Solid State Relays

PD6626–L3N

Loop-Powered, Hazardous Area, 4-20 mA Analog Output

PD6626–L5N

Loop-Powered, Hazardous Area, Two Solid State Relays and 4-20 mA Analog Output

Loop Leader PD6628 • Bargraph Models – Hazardous Area

Model

Description

PD6628–LNN

Loop-Powered, Hazardous Area, Bargraph, No Options

PD6628–L2N

Loop-Powered, Hazardous Area, Bargraph, Two Solid State Relays

PD6628–L3N

Loop-Powered, Hazardous Area, Bargraph, 4-20 mA Analog Output

PD6628–L5N

Loop-Powered, Hazardous Area, Bargraph, Two Solid State Relays and 4-20 mA Analog Output

Enclosures

Model

Description

PDA2301

NEMA 4X Plastic Enclosure

PDA2501

Plastic NEMA 4X Enclosure

PDA2601

Stainless Steel NEMA 4X Enclosure

PDA2701

Painted Steel NEMA 4 Enclosure

PDA2801

Low-Cost Plastic NEMA 4X Enclosure

PDA3407

Internally Mount NEMA 4X Plastic Enclosure

Ordering Information

General Purpose Instruments

Hazardous Area Instruments

Note: All models come with two open collector outputs standard.

Enclosures

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Page 6

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Input

4-20 mA

Accuracy

±0.02% of span ±1 count, Square root and programmable exponent: 10-100% FS

Voltage Drop

Without Backlight: 1.5 V maximum, With backlight: 4.5 V maximum

Equivalent Resistance

With backlight off: 75 Ω @ 20 mA With backlight on: 225 Ω @ 20 mA

Input Overload

Over current protection to 1 A maximum Over voltage protection to 30 VDC max (between mA+ and mA-/BL-)

Temperature Drift

25 PPM/°C from -40 to 75°C ambient

Function

Linear, square root, or programmable exponent

Low-Flow Cutoff

0.0 to 999,999.9

HART Transparency

Analog input will not interfere with existing HART communications on the wired 4-20 mA signal

Display

Dual-line LCD with backlight. Both lines 14segment alphanumeric. Top: 0.7" (17.8 mm), Bottom: 0.4" (10.2 mm). Display may be programmed to turn red and flash a user-defined message on alarm condition.

Backlight

Top Line

5 digits (-9999 to 99999) or 5 characters (all capital & most lower-case letters)

Bottom Line

8 digits (-9,999,999 to 99,999,999; separated by commas) or 8 characters (all capital & most lower-case letters)

Bargraph

20 segments, numeric percent indication at top (PD6624 & PD6628 only)

Decimal Point

Up to four decimal places on top line and up to seven decimal places on bottom line

Commas

Commas to indicate 1000s (e.g. 88,987,628) on bottom line

Dual-Scale Feature

The input can be displayed in different scales on the top and bottom lines. For instance, the top line could display the flow in GPM and the bottom line could display that same input in CFM.

Alarm Indication

Red backlight, flashing display, alarm symbol (!); Symbols are not available on bargraph models. Bargraph segment flashes on alarm.

Alarm Message

On or Off; user programmable, 8 characters maximum. Displayed every 10 seconds for 1 second on bottom line.

Display Update Rate

Ambient > -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).

Overrange

Top: 99999; Bottom: 99,999,999 (flashing)

Underrange

Top: -9999; Bottom: -9,999,999 (flashing)

Environmental

Operating temperature range:

-40 to 75°C for safe area products

-40 to 70°C for hazardous area products

Storage temperature range: -40 to 85°C Relative humidity: 0 to 90% non-condensing

Printed circuit boards are conformally coated.

Programming Method

Front panel & Free PC-based USB programming software

Enclosure & Materials

Enclosure: 1/8 DIN, IP65, NEMA 4X front panel, high impact plastic, NORYL® polyphenylene ether & polystyrene blend (PPE PS) resin, UL 94V-0, Color: gray

Gasket: Silicone Rubber

Faceplate: LEXAN® polycarbonate (PC) Film Buttons: Silicone rubber

Noise Filter

Averages 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 Bypass

0.0 to 99.9% of full scale. Input signal changes greater than bypass value are displayed immediately.

Recalibration

Recalibration is recommended at least every 12 months.

Max/Min Display

Max/min readings reached by the process are stored until reset by the user or until power to the meter is turned off.

Password

There are three password types available: Main, Total, and Grand Total. The Main password prevents access to the meter Programming Mode. Total and Grand Total passwords prevent resetting the total and grand total, respectively.

Non-Volatile Memory

All programmed settings and total and grand total values are stored in non-volatile memory for a minimum of ten years if power is lost.

Normal Mode Rejection

64 dB at 50/60 Hz

Connections

Removable screw terminals accept 12 to 22 AWG wire

DI Digital Input Contacts

2.1 VDC on contact. Connect normally open contacts across DI+ to DI-

DI Digital Input Logic Levels

Logic High: 2.4 to 30 VDC (max) Logic Low: 0 to 0.9 VDC

Tightening Torque

Screw terminal connectors: 4.5 lb-in (0.5 Nm) Mounting screws: 8.0 lb-in max. (0.9 Nm)

Overall Dimensions

4.68" x 2.45" x 3.79" (119 mm x 62 mm x 96 mm) (W x H x D)

Weight

8.7 oz (247g) with option board

Warranty

3 years parts and labor

Specifications

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

Input

Display

General

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Page 7

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Rate Display Capability

Top display: -9999 to 99999; bottom display:

-9,999,999 to 99,999,999 (with commas)

Total & Grand Total Display Capability

Top display: -9999 to 99999; bottom display:

-9,999,999 to 99,999,999 (with commas)

13-Digit Total & Grand Total Capability

Up to 9,999,999,999,999 using both lines with 13-digit total feature enabled.

Total & Grand Total Indication

On bottom display; “T” indicates total and “GT” indicates grand total (not available on bargraph models)

Total Decimal Point

Up to four decimal places on top, up to seven decimal places on bottom. Total decimal point is independent of rate decimal point.

Totalizer

Calculates 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 Base

Seconds, Minutes, Hours, Days

Totalizer Rollover

Totalizer 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 Reset

Via front panel button or external contact closure on digital input

Total & Grand Total Reset Passwords

Total and grand total passwords may be entered to prevent resetting the total or grand total unless a password is entered.

Non-Resettable Grand Total

Grand 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

Methods

Automatic or Manual, count up or count down

Manual Batch Start

Pressing F1 function key starts the batch

Manual Batch Pause/Stop

Pressing F3 once pauses the batch, pressing it twice cancels the batch

Automatic Batching

The Loop Leader can be used as an automatic batch controller where batches run continuously without operator input

Batching Relay Operation

Single or dual-relay batching with optional preclose for dual-stage operation

Batch Preset

Set 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 Preclose

For two-stage batch application, a preclose value can be set to close the main flow line.

Automatic Batch Restart Delay

1 to 9,999 seconds. The batch will automatically restart after completion of the last batch.

High or Low Alarm

User programmable for high or low alarm

Alarm Deadband

0-100% FS, user programmable

On & Off Time Delay

0 to 9,999 seconds

Fail-Safe Operation

Independent 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 Operation

Automatic, automatic with manual override, latching (manual reset anytime), latching with reset after cleared (manual reset only after alarm has cleared)

Alarm Indication

Red backlight, Flashing display, Alarm symbol (!); (symbols not available on bargraph models); Bargraph segment flashes on alarm.

Alarm Message

On or Off; User programmable, 8 characters maximum; Displayed every 10 sec for 1 sec on bottom

Alarm Acknowledge

Front panel ACK button or external digital input resets output and screen indication

Auto Initialization

When power is applied to the meter, open collectors and relays will reflect the state of the input to the meter

Timer Output

One-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)

Stopwatch

Output turns on when started and off when stopped

Rating

Two NPN, Isolated open collector, 5-30 VDC @ 150 mA maximum

Output Assignment

Pulse, Alarm, Timer, Total Reset, Stopwatch on/off, or Disable

Pulse Output Source

Rate, Total, Grand Total, or Test Frequency

Pulse Output Factor

0.000001 to 999,999.9

Pulse Width

0.5 ms @ 1 kHz; 500 ms @ 1 Hz; 50% duty cycle

Pulse Output Frequency

1,000 Hz maximum

Quadrature Pulse Output

Available for Output 2 (90° behind Output 1)

Alarm Output Source

Assign to Rate, Total, Grand Total or Digital Input

Rate/Totalizer

Common Open Collector & Relay (Alarm) Specifications

Batch Control

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Open Collector Output

Page 8

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Rating

250 VAC/VDC @ 1A resistive 75VA; 250VAC; 0.6A pilot duty (inductive) –

UL Code D300 25VA; 250VDC; 0.6A pilot duty (inductive) –

UL Code R300

Noise Suppression

Metal oxide varistors across outputs

Relay Assignment

Alarm, Sample, Timer, Batch, Stopwatch on/off, or Disable

Alarm Output Source

Assign to Rate, Total, Grand Total, or Digital Input

Relay Runtime

Meter will keep track of how long each relay has operated and display this information

Relay Cycles

Meter will keep track of how many times the relays have cycled and display this information

Accuracy

±0.05% FS ±0.001mA

Output Source

Rate, total, re-transmit; reverse scaling allowed

Scaling Range

1.00 to 23.0 mA

Disable

High impedance state, less than 1 mA

Calibration

Factory calibrated 4.00 to 20.00 mA

Underrange

1.0 mA, 3.5 mA, or 3.8 mA (If input < 3.5 mA); or Off; user selectable

Overrange

20.5 mA, 20.8 mA, or 23.0 mA (If input > 20.5 mA); or Off; user selectable

Isolation

500 V input-to-output

Temperature Drift

0.5 µA/°C max from -40 to 75°C ambient

External Loop Power Supply

7.0 VDC to 30.0 VDC maximum

Output Loop Resistance

10-750 Ω @ 24 VDC; 10-1100 Ω @ 30 VDC

System Requirements

Microsoft® Windows® 7 & 10

Communications

USB 2.0 (Standard USB A to Micro USB B)

Configuration

Configure meters one at a time

Configuration Files

Generate with or without meter connected; Save to file for later use

USB Power Connection

Meter is powered by USB connection during programming

Solid State Relays

4-20 mA Transmitter Output

MeterView XL Programming Software

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Page 9

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

EMC Emissions

• CFR 47 FCC Part 15 Subpart B Class A emissions requirements (USA)

• AS/NZS CISPR 11:2004 Class A ISM emissions requirements (Australia)

• EN 55011:2009/A1:2010 Group 1 Class A ISM emissions requirements (EU)

• ICES-001 Issue 4 ISM emissions requirements (Canada)

EMC Emissions and Immunity

EN 61326-1:2013 EMC requirements for Electrical equipment for measurement, control, and laboratory use – Inductrial Use

UL & C-UL Listed

USA & Canada

UL 61010-1, 3rd Edition; CAN/CSA-C22.2 No. 61010-1-12, 3rd Edition

UL File Number

E160849

Front Panel

UL Type 4X, NEMA 4X, IP65; panel gasket provided

Low Voltage Directive

IEC 61010-1:2010 (Third Edition) Safety requirements for electrical equipment for measurement, control, and

laboratory use

Additional Standards

UL 50E

ATEX

Certificate Number: CML 17ATEX2015X

0518

II 1G

Ex ia IIC T4 Ga

-40°C ≤ Ta ≤ 70°C

IECEx

Certificate Number: IECEx CML 17.0008X

Ex ia IIC T4 Ga

Tamb = -40°C to +70°C

UL & C-UL

UL File Number: E494837

Class I, Division 1, Groups A, B, C and D T4

Class I, Division 2, Groups A, B, C and D T4 Ex ia IIC T4 (Canada); Class I Zone 0, Zone 1, AEx ia IIC T4 (U.S.); Class I Zone 2, Group IIC T4 (U.S.) PROCESS CONTROL EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS

ATEX

IECEx

EN 60079-0:2012+A11:2013 EN 60079-11:2012

IEC 60079-0:2011 Ed. 6 IEC 60079-11:2011 Ed. 6

United States Standards

Canadian National Standards

UL 913, Eighth Edition UL 60079-0, Sixth Edition UL 60079-11, Sixth Edition Standard No. UL 121201, 9th Edition

CSA C22.2 No. 60079-0:15 CSA C22.2 No. 60079-11:14 CAN/CSA C22.2 No. 213-17

General Compliance Information

Electromagnetic Compatibility

PD6626 & PD6628 Compliance Information

Safety

Hazardous Area Approvals

ATEX/IECEx Assessment Standards

UL Assessment Standards

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Page 10

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

I.S. Equipment Entity Parameters

Required Relationship Between

Entity Parameters

I.S. Barrier Entity Parameters

V max (or Ui)

≥

Voc or Vt (or Uo)

I max (or Ii)

≥

Isc or It (or Io)

P max, Pi

≥

Ci + Ccable

≤

Ca (or Co)

Li + Lcable

≤

La (or Lo)

WARNING!

AVERTISSEMENT!

EXPLOSION HAZARD – Do not disconnect equipment unless power has been removed or the area is known to be non-hazardous

RISQUE D’EXPLOSION – NE PAS BRANCHER NI DÉBRANCHER SOUS TENSION.

ATEX/IECEx Special Conditions for Safe Use

The following conditions relate to safe installation and/or use of the equipment.

• The permitted ambient temperature range for the PD6606/PD6608 is -40°C to 70°C.

• The equipment must be installed in an enclosure which provides a minimum degree of protection of

IP20 for the equipment connections.

• Under certain extreme circumstances, the non-metallic parts incorporated in the enclosure of this equipment may generate an ignition-capable level of electrostatic charge. Therefore, the equipment shall not be installed in a location where the external conditions are conducive to the build-up of electrostatic charge on such surfaces. This is particularly important if the equipment is installed in a zone 0 location. In addition, the equipment shall only be cleaned with a damp cloth.

• The equipment loop/power port must be connected to an intrinsically safe barrier with Uo ≥ 11V.

• Entity parameters must meet the following requirements:

Ui: 30 V; Ii: 175 mA; Ci: 0 μF; Li: 0 μH; Pi: 1.0 W

• For ATEX Certification, barrier and transmitter must be ATEX Certified with Entity Parameters and must be connected per manufacturer’s instructions.

For European Community: The PD6606/PD6608 must be installed in accordance with the Essential Health & Safety Requirements of

Directive 2014/34/EU, the product certificates CML 17ATEX2015X and IECEx CML 17.0008X, and the product manual.

UL/C-UL Special Conditions for Safe Use

• Associated apparatus may be in a Division 2 or Zone location if so approved.

• Under certain extreme circumstances, the non-metallic parts incorporated in the enclosure of this equip-

ment may generate an ignition-capable level of electrostatic charge. Therefore the equipment shall not be installed in a location where the external conditions are conducive to the build-up of electrostatic charge on such surfaces. This is particularly important if the equipment is installed in a zone 0 location. In addition, the equipment shall only be cleaned with a damp cloth.

• The equipment shall be installed in a tool secured enclosure which provides a minimum degree of protection of IP20 for the equipment connections.

• Entity parameters must meet the following requirements: Ui: 30 V; Ii: 175 mA; Ci: 0 μF; Li: 0 μH; Pi: 1.0 W

• For Division 2 and Zone 2 Applications: Division 2 and Zone 2 installations do NOT require the use of an intrinsically-safe barrier or intrinsically-safe entity parameters. Class I, Division 2, Groups A, B, C, and D T4 and Class I, Zone 2, Group IIC T4, -40C <= Ta <= +70C. Ratings: V = 30 V dc, I = 30 mA; Relay Ratings: 250V ac/dc 1A

For North American Community:

Installation and service of this device and/or associated apparatus (barrier) should be performed only by trained service personnel and must be installed in accordance with the manufacturer’s control drawing, Article 504 of the National Electric Code (ANSI/NFPA 70) for installation in the United States, or Section 18 of the Canadian Electrical Code for installations in Canada.

Year of Construction

This information is contained within the serial number with the first four digits representing the year and

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month in the YYMM format.

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Page 11

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

CAUTION: Read complete in-

structions prior to installation

and operation of the meter.

WARNING: Risk of electric

shock or personal injury.

Warning!

• Hazardous voltages exist within enclosure. Installation and service should be performed only by trained service personnel.

• Service requiring replacement of internal components must be performed at the factory.

• Control room equipment must not use or generate more than 250 VRMS or VDC.

• Hazardous location installation instructions for associated apparatus (barrier) must be fol-

lowed when installing this equipment.

• For safe installation of an ATEX approved transmitter in series with PD6626/PD6628 loop- powered meters, the hazardous location installation instructions for the transmitter, PD6626/PD6628 loop-powered meter, and associated apparatus (barrier) must be compatible.

• PD6626/PD6628 Series Loop-Powered meters do not add capacitance or inductance to the loop under normal or fault conditions.

• Substitution of components may impair hazardous location safety.

• Equipment contains non-metallic materials and therefore special care and consideration

should be made to the performance of these materials with respect to chemicals which may be present in a hazardous environment.

Safety Information

Installation

There is no need to remove the meter from its case to complete the installation, wiring, and setup of the meter for most applications.

PD6626 and PD6628 installation must be performed in accordance with Control Drawing LIM6600-2 in order to meet agency approval ratings.

Unpacking

Remove the meter from box. Inspect the packaging and contents for damage. Report damages, if any, to the carrier. If any part is missing or the meter malfunctions, please contact your supplier or the factory for assistance.

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Page 12

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Figure 1. 1/8 DIN Panel Cutout Dimensions and Panel Mounting Details

Figure 2. Meter Dimensions - Side View

Figure 3. Meter Dimensions - Front View

1.76"

(45mm)

0.59"

(15mm)

3.2"

(81mm)

2.45"

(62mm)

3.6"

(91mm)

Panel Mounting Instructions

• Prepare a standard 1/8 DIN panel cutout – 3.622" x 1.772" (92 mm x 45 mm). Refer to Figure 1 be- low, for more details.

• Clearance: allow at least 4.0" (102 mm) behind the panel for wiring.

• Panel thickness: 0.04" - 0.25" (1.0 mm - 6.4 mm).

Recommended minimum panel thickness to maintain Type 4X rating: 0.06" (1.5 mm) steel panel,

0.16" (4.1 mm) plastic panel.

• Remove the two mounting brackets provided with the meter (back-off the two screws so that there is ¼" (6.4 mm) or less through the bracket. Slide the bracket toward the front of the case and remove).

• Insert meter into the panel cutout.

• Install mounting brackets and tighten the screws against the panel. To achieve a proper seal, tighten

the mounting bracket screws evenly until meter is snug to the panel along its short side. DO NOT OVER TIGHTEN, as the rear of the panel may be damaged.

Mounting Dimensions

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Page 13

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Use copper wire with 60°C or 60/75°C insulation for all line voltage connections. Observe all safety regulations. Electrical wiring should be performed in accordance with all applicable national, state, and local codes to prevent damage to the meter and ensure personnel safety.

Connections

All connections are made to removable screw terminal connectors located at the rear of the meter.

This section is only intended for PD6622 and PD6624 safe area installations.

PD6626 and PD6628 installation must be performed in accordance with Control Drawing LIM6600-2 in order to meet agency approval ratings.

Connectors Labeling

The connectors’ label, affixed to the meter, shows the location of all connectors available with requested configuration.

Figure 4. Connector Labeling for Fully Loaded Meter

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Page 14

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

DI+ DI- mA- mA+ BL-X

Safe Area Current Loop (4-20 mA) Connections

Signal connections are made to a six-terminal connector labeled SIGNAL on Figure 4. The following figures show a 4-20 mA current loop connected to the meter. The first figure shows the connection without the backlight and the second shows the connection with the backlight (the backlight may also be disabled/enabled in the SYSTEM menu). The meter is powered by the 4-20 mA current loop. There are no switches or jumpers to set up for the input. Setup and programming is performed through the front panel buttons or PC-based software.

Figure 5. 4-20 mA Input Connection without Backlight

The current input is protected against current overload up to 1 amp. The display may or may not show a fault condition depending on the nature of the overload.

Safe Area Digital Input Connection

A digital input is standard on the meter. This digital input is connected with a normally open contact across DI+ and DI-, or with an active low signal applied to DI+ and DI-.

Figure 6. 4-20 mA Input Connection with Backlight

Figure 7. Digital Input Connections

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

I+ I-

C NO C NO

Internal

Load Load

Safe Area 4-20 mA Output Connections

Connections for the 4-20 mA transmitter output are made to the connector terminals labeled mA OUT. The 4-20 mA output must be powered from an external power supply.

Figure 8. 4-20 mA Output Connections

Safe Area Solid State Relay Connections

Relay connections are made to a four-terminal connector labeled SSR1 and SSR2 in Figure 4. Each relay’s C terminal is common only to the normally open (NO) contact of the corresponding relay.

Figure 9. Solid State Relay Connections

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

O1+ O1- O2+ O2-

Safe Area Open Collector Outputs

Open collector output 1 and 2 connections are made to terminals labeled O1+ and O1-, and O2+ and O2-. Connect the alarm or pulse input device as shown below.

Figure 10. Open Collector Output Connections

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

The meter is factory calibrated prior to shipment to display 0 to 100,

which corresponds to the 4-20 mA input. The calibration equipment

is traceable to NIST standards.

Button

Symbol

Description

LCD

Status

Alarm Indicator (PD6622 Only)

Right-Arrow/F1

Password Protection Indicator (PD6622 Only)

Up-Arrow/F2

Grand Total Indicator (PD6622 Only)

Enter/F3

Total Indicator (PD6622 Only)

Setup and Programming

Overview

There are no jumpers to set; setup and programming is done through the front panel buttons or PC-based software.

The meter may be powered via the micro-USB connection located on the right side of the meter for the purposes of programming only. The backlight will not work while the meter is powered via the USB connection.

Front Panel Buttons and Status LED Indicators

PD6622/PD6626 PD6624/PD6628

• Press the Menu button to enter or exit the Programming Mode at any time.

• Press or hold the Right-Arrow button to scroll forward through the menus, select digits during nu-

meric programming, select characters during text programming, or decrement the value of a digit or character selected with the Up-Arrow button.

• Press and hold the Right-Arrow button to zero or clear digits/characters while in data-entry mode.

• Press or hold the Up-Arrow button to scroll backwards through the menus or to increment the value

of a digit or character.

• Press the Enter button to access a menu or to accept a setting or programmed digit/character value.

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Page 18

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

CAUTION!

Care should be exercised to avoid ground loops when connecting the USB to an active loop (e.g. power supply, transmitter, loop-powered meter, etc.). It is recommended to connect the (mA+) terminal of the meter to the (-) terminal of a two-wire transmitter.

MeterView XL Programming Software

The meter can also be programmed using PC-based MeterView XL software. This software greatly simplifies the programming process and also allows the user to save configuration files for later use.

The meter connects to the PC via a provided micro-USB cable and is powered by the USB connection, so no additional power is needed during programming.

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Parameter

Action/Setting Description

INPUT

Program the meter 4-20 mA input

SCALE RATE

Scale the rate input

UNITS

Select the display units

/SECOND

Units per second

/MINUTE

Units per minute

/HOUR

Units per hour

/DAY

Units per day

GAL/(T)

Gallons per time unit (T)

L/(T)

Liters per time unit (T)

IGAL/(T)

Imperial gallons per time unit (T)

M3/(T)

Cubic meters per time unit (T)

BBL/(T)

Barrels per time unit (T)

BUSH/(T)

Bushels per time unit (T)

cuYD/(T)

Cubic Yards per time unit (T)

cuFt/(T)

Cubic Feet per time unit (T)

cuIn/(T)

Cubic Inches per time unit (T)

LiBBL/(T)

Liquid barrels per time unit (T)

BBBL/(T)

Beer barrels per time unit (T)

HECtL/(T)

Hectoliter per time unit (T)

AF/(T)

Acre-Foot per time unit (T)

CUSTOM/(T)

Custom unit per time unit (T)

INPUT 1

Program input 1 value

INP 1

Enter the input 1 value

DISP 1

Program display 1 value

DSP 1

Enter the display 1 value

INPUT 2

Program input 2 value (up to 32 points)

INP 2

Enter the input 2 value

DISP 2

Program display 2 value (up to 32 points)

DSP 2

Enter the display 2 value

SAVE?

Save programmed units, input, and display values

OUTPUT

Program the meter’s available outputs

OPEN COLLECTR

Program the meter’s open collector outputs

OUTPUT1

Open collector 1 setup

OUTPUT2

Open collector 2 setup

DISABLE

Disable the open collector

PULSE

Program the open collector for pulse output

ALARM

Program the open collector for alarm output

TIMER

Program the open collector as a timer

Parameter

Action/Setting Description

TOT RST

Program the open collector for total reset

STPWATCH

Program the open collector to turn on while the stopwatch is running

RELAY

Program the meter’s relay outputs

OUTPUT1

Relay 1 setup

OUTPUT2

Relay 2 setup

DISABLE

Disable the relay

ALARM

Program relay for alarm functionality

SAMPLE

Program relay for sample functionality

TIMER

Program relay as a timer

BATCH

Program the relay for batch control functionality

STPWATCH

Program relay to turn on while the stopwatch is running

INFO

View relay run time and cycle count

4-20 mA

Program the meter’s 4-20 mA output

RATE

Transmit a value based on the rate display

TOTAL

Transmit a value based on the total display

RETRANS

Retransmit the 4-20 mA input signal

DISABLE

Disable the 4-20 mA output

CONTROL

Program manual or automatic operation for the outputs

OC1

Open collector 1

OC2

Open collector 2

RELAY1

Relay 1

RELAY2

Relay 2

4-20 mA

4-20 mA output

AUTO

Set selected output to automatic operation

MANUAL

Manually control selected output operation

ADVANCED

Program the meter’s advanced features

RATE

Advanced 4-20 mA rate input programming

FUNCTION

Select linear, square root, or programmable exponent function

LINEAR

Set meter for linear function and select number of linearization points

SQROOT

Set meter for square root extraction

EXPONENT

Set meter for programmable exponent and enter exponent value

Display Functions & Messages

The meter displays various functions and messages during setup, programming, and operation. The following table shows the main menu functions and messages in the order they appear in the menu.

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Parameter

Action/Setting Description

SCALE.CAL

Scale or calibrate the 4-20 mA input

SCALE RATE

Scale the rate 4-20 mA input

CAL RATE

Calibrate the rate 4-20 mA input

TOTAL

Advanced total programming

COUNT

Program the totalizer functionality

LIMIT

Set the number of digits used for the total

8-DIGIT

Eight digits max (99,999,999)

13-DIGIT

Thirteen digits max (9,999,999,999,999) Requires top and bottom line to display entire number, total will roll over to zero when it exceeds the limit.

INITIAL

Set the total to start at a specific number

RESET

Enable or disable the ability to reset the total

ENABLE

Enable total reset (default)

DISABLE

Disable total reset

GTOTAL

Advanced grand total programming

COUNT

Program the totalizer functionality

LIMIT

Set the number of digits used for the total

8-DIGIT

Eight digits max (99,999,999)

13-DIGIT

Thirteen digits max (9,999,999,999,999) Requires top and bottom line to display entire number, total will roll over to zero when it exceeds the limit.

INITIAL

Set the total to start at a specific number

RESET

Enable or disable the ability to reset the grand total

ENABLE

Enable grand total reset (default)

DISABLE

Disable grand total reset

PERMLOCK

Set grand total as non-resettable

CUTOFF

Set low-flow cutoff

DISABLE

Disable low-flow cutoff

ENABLE

Enable low-flow cutoff

FILTER

Set noise filter value

1.0 SEC

1 second

2.0 SEC

2 seconds

4.0 SEC

4 seconds

8.0 SEC

8 seconds

16.0 SEC

16 seconds

OFF

Turn filter off

BYPASS

Set filter bypass (0.0 to 99.9% FS)

PASSWRD

Set a password for the meter

MAIN

Program the main meter password

TOTAL

Program the total reset password

Parameter

Action/Setting Description

GTOTAL

Program the grand total reset password

USER

Assign function keys and digital input

Assign F1 function key

Assign F2 function key

Assign F3 function key

Assign digital input

DISP FN

Set the function key or digital input to display a value

DISPLAY

Cycle max, min, rate, total, and grand total

D RATE

Display the rate

D TOTAL

Display the total

DISP GT

Display the grand total

PCT.RATE

Display the rate’s percentage of max (20 mA)

D UNITS

Display the rate, total, and grand total units

D TAG

Display the tags

DISPMIN

Display the minimum rate value

DISPMAX

Display the maximum rate value

MIN MAX

Display the minimum and maximum rate value

D mA IN

Display the current mA input value

D mAOUT

Display the current mA output value

MENU FN

Set the function key or digital input to access a menu

RLYINFO

Go to relay information menu (INFO)

MANCTRL

Go to output control menu (CONTROL)

TIMR OC1

Open collector 1 timer

TIMR OC2

Open collector 2 timer

TIMER R1

Relay 1 timer

TIMER R2

Relay 2 timer

TIMER.FN

Set the function key or digital input to start or stop a timer

STRT.ALL

Start all timers

STOP.ALL

Stop all timers

S.STP.ALL

Start or stop all timers

OC1

Start/stop open collector 1 timer

OC2

Start/stop open collector 2 timer

RLY1

Start/stop relay 1 timer

RLY2

Start/stop relay 2 timer

START

Start the selected timer output

STOP

Stop the selected timer output

STR-STP

Start or stop the selected timer output

BATCH.FN

Set the function key or digital input to batch control

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Parameter

Action/Setting Description

START

Start a batch

STOP

Stop a batch

STR-STP

Start or stop a batch

PRESET

Preset batch amount

ALARM.FN

Set the function key or digital input to acknowledge an alarm or access set points

ACK

Acknowledge all active alarms

SETPOINT

Access all output set points

SETPT.OC1

Access open collector 1 set point

SETPT.OC2

Access open collector 2 set point

SETPT.R1

Access relay 1 set point

SETPT.R2

Access relay 2 set point

SWATCH.FN

Set the function key or digital input to activate stopwatch

START

Start the stopwatch

STOP

Pause/Stop the stopwatch

STR-STP

Start or stop the stopwatch

HOLD FN

Set the function key or digital input to hold an output

HOLD.OUT

Hold all outputs

HLD.UNHLD

Hold or un-hold all outputs

OC1+2

Hold/un-hold open collector outputs

RLY1+2

Hold/un-hold relay outputs

mAOUT

Hold/un-hold 4-20 mA output

HOLD

Hold selected output

HLD.UNHLD

Hold or un-hold selected output

DISABLE

Disable the function key or digital input

RST FN

Set the function key or digital input to reset a value

RESET

Reset min, max, or max/min PV value

R MIN.MAX

Reset max and min PV value

RST T

Reset the total

RST GT

Reset the grand total

RST T.GT

Reset the total and grand total

HINT

Display hint text on first key press and execute action on second key press

OFF

Turn the hint function off

Turn the hint function on

SYSTEM

Program system settings

AOUTCAL

Calibrate the analog output

DEFAULT

Reset meter to factory defaults

TOTAL

Enable or disable the totalizer

ENABLE

Enable the totalizer (Default)

DISABLE

Disable the totalizer (see PD6602 manual)

BACKLITE

Enable or disable the display backlight

Parameter

Action/Setting Description

ENABLE

Enable the backlight (default)

DISABLE

Disable the backlight

INFO

View meter software, version, and model, and change the meter identifier tag

SFT

The software ID number

VER

The software version

MODEL

The meter hardware model number

ID.TAG

The meter identifier tag Press Enter to edit tag

ICAL

Internal calibration used for scaling

DISPLAY

Program the meter’s display

UNITS

Change the display units within the selected unit class

DEC.PT

Change the decimal point location

RATE

Program the rate decimal point

TOTAL

Program the total decimal point

GTOTAL

Program the grand total decimal point

COMMA

Enable or disable the use of a comma to separate the thousands place on the bottom display

ENABLE

Enable comma (default)

DISABLE

Disable comma

TOP

Set what to display on the top line

RATE

Display the rate

RATE+U

Display the rate and its units alternating

TOTAL

Display the total

TOTAL+U

Display the total and its units alternating

GTOTAL

Display the grand total

TAG

Display the tag

UNITS

Display the units

PRESET

Display the preset value

STPWATCH

Display the stopwatch

TIMR OC1

Display open collector 1 timer

TIMR OC2

Display open collector 2 timer

TIMER R1

Display relay 1 timer

TIMER R2

Display relay 2 timer

MIN

Display minimum value

MAX

Display maximum value

MIN MAX

Display alternating min and max

BOTTOM

Set what to display on the bottom line

TOTAL

Display the total

TOTAL+U

Display the total and its units alternating

TOT+TAG

Display the total and its tag alternating

T+U+RU

Display the total, its units, and the rate units alternating

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Page 22

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Parameter

Action/Setting Description

GTOTAL

Display the grand total

GT+UNITS

Display the grand total and its units alternating

GT+TAG

Display the grand total and its tag alternating

GT+U+RU

Display the grand total, units, and rate units alternating

RATE

Display the rate

RATE+TU

Display the rate and the total’s units alternating

RATE+U

Display the rate and its units alternating

RATE+TAG

Display the rate and its tag alternating

R UNITS

Display the rate units

T UNITS

Display the total units

TAG

Display the tag

Parameter

Action/Setting Description

UNITS

Display the units

PRESET

Display the preset value

STPWATCH

Display the stopwatch

TIMR OC1

Display open collector 1 timer

TIMR OC2

Display open collector 2 timer

TIMER R1

Display relay 1 timer

TIMER R2

Display relay 2 timer

TAG+RU

Display the tag and rate units alternating

TAG+TU

Display the tag and total units alternating

OFF

Disable the bottom display

R PCT

Display the rate’s percentage of full scale

ma IN

Display the current mA input value

mA OUT

Display the current mA output value

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Page 23

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

DSP 1

+00,000.00

DSP 1

00,000.00

Select

Digit to

Change

DSP 1

00,050.00

Increment

Selected

Digit

SCALE

INPUT 2

Accept Setting

52.86

38,418.2

SETUP

INPUT

SETUP

OUTPUT

SETUP

ADVANCED

SETUP

DISPLAY

OPEN

COLLECTR

ADV

RATE

DSPLY

UNITS

OUT

RELAY

OUT

4-20 mA

OUT

CONTROL

CUTOFF

FILTER

PASSWRD

USER

SYSTEM

DSPLY

DEC.PT

DSPLY

COMMA

DSPLY

TOP

DSPLY

DOTTOM

SCALE

UNITS

SCALE

INPUT 1

SCALE

DISP 1

SCALE

INPUT 2

SCALE

DISP 2

SAVE?

ADV

TOTAL

ADV

GTOTAL

Run Mode

DSPLY

BARGRAPH

*PD6624/8

Only

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.

• Press Menu at any time to go back one level or press & hold to exit and return to Run Mode. Changes made to settings prior to pressing Enter are not saved.

• Changes to the settings are saved to memory only after pressing En- ter/F3 to confirm the setting or pressing Enter/F3 at the SAVE? screen when available.

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.

Press the Enter button at any time to accept a setting or Menu button to exit without saving changes. Note: the underscore in the graphic below is provided to show which digit would be flashing.

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Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SETUP

INPUT

SCALE

UNITS

SCALE

INPUT 1

SCALE

DISP 1

TIME

/SECOND

UNIT

GAL/S

/SECOND /MINUTE /HOUR /DAY

Rate Time

Bases

INP 1

04.000

INP 1

Flashes Units

Momentarily

DSP 1

+00,000.00

SCALE

INPUT 2

INP 2

20.000

SCALE

DISP 2

DSP 2

+00,100.00

SAVE? SETUP

INPUT

GAL/(T) L/(T) IGAL/(T)

Rate Units

M3/(T) BBL/(T) BUSH/(T)

cuYD/(T) cuFt/(T) cuIn/(T)

LiBBL/(T) BBBL/(T) HECtL/(T)

AF/(T) CUSTM/(T)

Setting Up the Input Signal (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 0-100 gal/s, which corresponds to the 4-20 mA input. The calibration equipment is traceable to NIST standards.

• A calibrated signal source is not needed to scale the meter.

Enter the Input menu to scale the meter to display the 4-20 mA input. The input is capable of accepting any signal from 4 to 20 mA.

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Page 25

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Rate Time Bases (TIME)

/SECOND

Units per second

/MINUTE

Units per minute

/HOUR

Units per hour

/DAY

Units per day

Rate Units (RATE)

GAL/(T)

Gallons per time unit (T)

L/(T)

Liters per time unit (T)

IGAL/(T)

Imperial gallons per time unit (T)

M3/(T)

Cubic meters per time unit (T)

BBL/(T)

Barrels per time unit (T)

BUSH/(T)

Bushels per time unit (T)

cuYD/(T)

Cubic Yards per time unit (T)

cuFt/(T)

Cubic Feet per time unit (T)

cuIn/(T)

Cubic Inches per time unit (T)

LiBBL/(T)

Liquid barrels per time unit (T)

BBBL/(T)

Beer barrels per time unit (T)

HECtL/(T)

Hectoliter per time unit (T)

AF/(T)

Acre-Foot per time unit (T)

CUSTOM/

Custom unit per time unit (T)

C.UNIT

ABC

C.UNIT

ABC

Select Character to Change

C.UNIT

ACC

Increment

Selected

Character

C.UNIT

ABC

Decrement

Selected

Character

C.UNIT

ABC

Character

Change

Custom Unit

Name

Available Unit Classes and Units

The meter has preprogrammed rate and time base units. The following are available units to choose from:

Note: for access to additional predefined units, you must disable the totalizer. See Disabling the Totalizer

(TOTAL) on page 44.

Setting Custom Units (CUSTOM)

When the desired unit of measure is not available, a custom unit may be programmed. Select the CUSTOM menu in order to enter a custom unit name.

Text values are set using the Right and Up-Arrow buttons. Press Right-Arrow to select next character and Up-Arrow to increment character value. The selected character will flash. Press and hold the Up or

Right-Arrow buttons to auto-increment or decrement the character. Press Enter to accept the character.

Notes:

• Press and hold the Right Arrow while no character is being edited to erase all characters to the

right of the flashing character

• Press and hold Up or Right Arrow to auto-increment or decrement a selected character.

• All text values, including tags and alarm messages, are set in a similar fashion.

Scaling the 4-20 mA Input

The 4-20 mA input can be scaled to the appropriate values for a given application. The 4-mA input (input

1) should have a corresponding display value (display 1) which represents the low end of the process value range being measured by the transmitter. Likewise, the 20-mA input (input 2) should have a display value (display 2) which represents the high end of the process value range.

For example: If the meter is setup to accept a 4-20 mA input and display the flow of a pipe whose rate of flow is between 0 and 100 gal/s, the transmitter would send a 4-mA signal when there is zero flow and a 20-mA signal when there is maximum flow. The meter should be programmed to interpret these inputs on a display range of 0-100, so that at 4-mA the meter will display 0 and at 20-mA the meter will display 100.

Processes which require a non-linear scale can be accommodated using the linear (LINEAR), exponent (EXPONENT), and square root (SQROOT) functions available in the Advanced menu. See Signal Input Conditioning Functions (FUNCTION) on page 40.

A signal source is not needed to scale the meter; simply program the inputs and corresponding display values.

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Page 26

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

DEC.PT

222222.22

DEC.PT

1111111.1

Move Decimal

to the Right

DEC.PT

222222.22

DSPLY

COMMA

Accept Decimal Location

DEC.PT

RATE

Move Decimal

to the Left

DSPLY

BARGRAPH

GRAPH

RATE

GRAPH

TOTAL

GRAPH

OFF

GRAPH

RATE PCT

SETUP

DISPLAY

DSPLY

UNITS

DSPLY

DEC.PT

DSPLY

COMMA

DSPLY

TOP

DSPLY

DOTTOM

DSPLY

BARGRAPH

PD6624/8 Only

Setting the Display Features (DISPLAY)

The meter’s display functions may be programmed using the Display menu. This menu consists of the following submenus: Units, Decimal Point, Comma, Bargraph (PD6624/8 Only), Top, and Bottom.

Changing the Units (UNITS)

It is possible to change the display units without the need to re-scale the meter. When selecting a new unit from within the DISPLAY menu (e.g. changing from gallons/sec. (GAL/s) to liters/sec. (L/s)), the meter will automatically convert the display values to display the new unit. Enter the UNITS menu, select a new unit of measure from the list of predefined units, and press the Enter button. If entering a custom unit (CUSTM), a custom conversion factor will need to be entered.

Changing the Decimal Point Location (DEC.PT)

The decimal point may be set with up to seven decimal places or with no decimal point at all. Pressing the Right Arrow moves the decimal point one place to the right until no decimal point is displayed, and then it moves to the leftmost position. Pressing the Up-Arrow moves the decimal point one place to the left. The decimal point location is set independently for the rate, total and grand total.

Enabling or Disabling the Comma on the Bottom Display (COMMA)

The bottom display is set to show a comma separating the thousands and millions place by default if a numeric value is being displayed. This feature can be disabled or enabled using the Comma menu.

Programming the Bargraph (PD6624 & PD6628 Only)

The PD6624 and PD6628 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, or total, or disabled, using the Bargraph menu (BARGRAPH). If the bargraph is set to represent total, the total full scale will need to be set.

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Page 27

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

DSPLY

TOP

DSPLY

BOTTOM

DSPLY

RATE

DSPLY

TOTAL

TOTAL+U TOT+TAG T+U+TAG GTOTAL

GT+UNITS GT+TAG

RATE

GT+U+RU

RATE+U

RATE+TU

RATE+TAG R UNITS T UNITS TAG

UNITS PRESET TAG+TU

TAG+RU

R PCT

OFF

mA OUT

mA IN

Top Line Display Parameters

RATE+U TOTAL TOTAL+U

TAG

PRESET

UNITS

TIMR OC1

STPWATCH

TIMR OC2 TIMER R1 TIMER R2 MIN

MIN MAX

MAX

TIMR OC1

STPWATCH

TIMR OC2 TIMER R1 TIMER R2

Bottom Line Display Parameters

OFF

Changing What is Displayed (TOP and BOTTOM)

The two display lines (Top and Bottom) can be programmed to display different values. Use the Top and Bottom menus to make these changes. If PV2 is enabled, additional options will be available for display-

ing the second PV on the bottom display.

The top display (TOP) can display:

• Rate

• Rate and its units alternating

• Total

• Total and its units alternating

• Grand Total

• Tag

• Units

• Preset batch value

• Stopwatch

• Open Collector 1 or 2 Timer

• Relay 1 or 2 Timer

• Minimum Value, Maximum Value, or Both

• Off (Blank)

The bottom display (BOTTOM) can display:

• Total (with units or tag alternating)

• Total, its units, and the rate units alternating

• Grand total (with units or tag alternating)

• Grand total, units, and rate units alternating

• Rate (with units or tag alternating)

• Rate and the total’s units alternating

• Rate or total units

• Tag

• Units

• Preset batch value

• Stopwatch

• Open Collector 1 or 2 Timer

• Relay 1 or 2 Timer

• Tag and rate units alternating

• Tag and total units alternating

• Off (Blank)

• Rate's percentage of max scale

• mA input value

• mA output value

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Page 28

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SETUP

OUTPUT

OPEN

COLLECTR

OUT

RELAY

OUT

4-20 mA

OUT

CONTROL

OC.OUT

OUTPUT1

OC.OUT

OUTPUT2

RELAY

OUTPUT1

RELAY

OUTPUT2

RELAY

INFO

4-20

RATE

4-20

RETRANS

4-20

DISABLE

CTRL

OC1

CTRL

OC2

CTRL

RELAY1

CTRL

RELAY2

CTRL

4-20 mA

4-20

TOTAL

Programming the Outputs (OUTPUT)

Depending on the purchased model, the meter may be available with two open collector outputs, two solid state relays, and one 4-20 mA output. The Output menu will only show options for the available outputs. See Ordering Information on page 5 for details.

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Page 29

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SETUP

OUTPUT

OPEN

COLLECTR

OC.OUT

OUTPUT1

OC.OUT

OUTPUT2

OUT 1

PULSE

RATE

PULSE

QUAD

*Available

for output

2 only.

OUT 1

ALARM

OUT 1

TIMER

OUT 1

STPWATCH

ALARM

RATE

ALARM

D.INPUT

TIMER

OFF.DLAY

TIMER

ON TIME

TIMER

MODE

TIMER

START

MODE

CONT

MODE

ONE.SHOT

PULSE

TEST

OUT 1

TOT RST

TIME

0000 SEC

PULSE

TOTAL

PULSE

GTOTAL

ALARM

TOTAL

ALARM

GTOTAL

OUT 1

DISABLE

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. An output test mode is also selectable to generate pulses at a constant programmable frequency. Alarms are available based on the PV value or the digital input. The alarm status will show on the display even if the output is not wired. A timer output (TIMER) turns the open collector on and off at the specified time intervals. The timer can be set as single-shot or continuous timer. A total reset output generates a pulse whenever the total is reset, regardless of the reset method used. The On time is programmable between 0 and 9,999 seconds. The stopwatch output (STPWATCH) allows the open collector to be manually activated by starting the stopwatch. The stopwatch count can be displayed on the top or bottom line. The output may be disabled by selecting DISABLE.

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Page 30

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

OUT 1

PULSE

TEST

PULSE

QUAD

*Available

for output

2 only.

FACTR

GAL/S

Flashes

Units

FACTR

+0,001.000

FREQ

100.0

PULSE

RATE

PULSE

TOTAL

PULSE

GTOTAL

KFACT

P/GAL

Flashes

Units

KFACT

001.0000

Pulse (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. If the output is assigned to total or grand total, the k-factor corresponds to the number of pulses generated per unit of measure. For example, if the k-factor is 0.001 and the units are gallons, one pulse will be generated for every 1,000 gallons. The maximum frequency is 1,000 Hz. Setting output 2 to quadrature will duplicate the other open collector output, but lag by 90 degrees out of phase. The other output should be programmed as desired for the quadrature output function and must be a pulse (PULSE) output selection. The quadrature maximum frequency for both outputs is 500 Hz.

The TEST option will output a fixed number of pulses per second based on the FREQ value entered.

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Page 31

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

OUT 1

ALARM

D.INPUT

ALARM

ACTION

ACTN

AUTO

ACTN

AUTO.MAN

ACTN

LATCH

ACTN

L-CLEAR

SET

+00,040.00

SET

GAL

Flashes

Units

ALARM

RESET

ALARM

SET

RESET

+00,030.00

ALARM

DELAY

TIME

0000 SEC

DELAY

OFF

TIME

0000 SEC

ALARM

FAILSAFE

Rate, Total, GTotal Alarm Only

FSAFE

OFF

ALARM

DISPLAY

RED

FLASH

ALARM

GTOTAL

Rate Alarm Only

Rate, Total, Gr.

ALARM

RATE

ALARM

TOTAL

MSG

ALARM 1

Total Alarm Only

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.MAN, LATCH, L-CLEAR) determine how and when the alarm should be reset. They operate as follows:

• Automatic (AUTO): Alarm will reset automatically once the alarm condition has cleared.

• Automatic/Manual (AUTO.MAN): Alarm will reset automatically once the alarm condition has

cleared but can also be reset using the Enter button (or whichever function key is set to acknowledge).

• Latching (LATCH): Alarm will not reset automatically even if the alarm condition has cleared.

Press the Enter button at any time to acknowledge the alarm.

• Latching with Reset after Clear (L-CLEAR): Alarm must be reset manually and can only be

done so after the alarm condition has cleared. Press the Enter (ACK) button after the alarm con-

dition has cleared to reset the alarm. If the alarm is set to rate, a set and reset point must be programmed. The set point is the display value at which the alarm will turn on and the reset point is the display value at which the alarm will turn off. If the set point is lower than the reset point, the alarm will be a low alarm; if the set point is higher than the reset point, the alarm will be a high alarm. If the alarm is set to total or grand total, only a set point needs to be programmed. The digital input alarm will engage whenever the digital input is triggered. For all alarms, a delay before the alarm is turned on or off may be set, as well as a failsafe feature which will inverse the on/off programming. Alarm states will be displayed on the meter even if no open collector output is physically connected. The alarm indicator (!) will display as well as optional red LED backlight, flashing rate, total, or grand total value (rate, total, or grand total alarms only), and a programmable alarm message.

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Page 32

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

OUT 1

TIMER

OFF.DLAY

TIMER

ON TIME

TIMER

MODE

TIMER

START

MODE

CONT

MODE

ONE.SHOT

H.MM.SS

00.01.00

H.MM.SS

00.00.01

TIMER

STOP

Timer (TIMER)

The timer output may be set to generate the timed pulse only once (ONESHOT) or continuously (CONT). The timer output produces a constant width pulse at a constant frequency, if set as continuous timer.

Program the Off Delay (OFF.DLAY) from 1 second to 99 hours 59 minutes and 59 seconds. This is the time it takes from selecting START to turning on the output and for how long the output is off in continuous mode.

Program the On Time (ONTIME) for the active low pulse from 1 second to 99 hours 59 minutes and 59 seconds (pulse width). This is the period of time for which the output will remain on.

Select Start (START) to begin outputting the constant timed pulse. Select Stop (STOP) to end outputting the constant timed pulse. Function keys or the digital input may be assigned to start and stop timer functions (see the USER menu

in Advanced).

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.

1. Assign stopwatch to either top or bottom display line

2. Assign the open collector or relay to control the process (on/off)

3. Assign a function key or digital input to start/stop the stopwatch

Application Example

In order to maintain consistency of a product, it is necessary to take and test samples at different times throughout the day. The stopwatch function is used to open and close a solenoid valve to know the exact amount of time needed to complete the desired sample. Once this is determined, the timer function can be used to automatically take a sample (batch) based on the time determined using the stopwatch function.

Setup: Assign the following to Stopwatch Function

Procedure

• Bottom display line

• Relay 1

• F3: Start/Stop

• Press F3 to start the stopwatch; relay 1 turns on and the process starts running.

• Press F3 to stop the stopwatch; relay 1 turns off and the process stops.

• The bottom display indicates the time it took to complete the sample.

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Page 33

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Caution!

During setup, the relays do not follow the input and they will remain in the state found prior to entering the Relay menu.

SETUP

OUTPUT

OPEN

COLLECTR

OUT

RELAY

OUTPUT1

RELAY

OUTPUT2

RELAY

INFO

RELAY 1

INFO

RELAY 2

RLY 1

DISABLE

RLY 1

ALARM

RLY 1

SAMPLE

RLY 1

TIMER

ALARM

RATE

ALARM

D.INPUT

TIMER

OFF.DLAY

TIMER

ON TIME

TIMER

MODE

TIMER

START

SAMPL

TOTAL

SAMPL

GTOTAL

RLY 1

BATCH

COUNT

BATCH

MAXIMUM

BATCH

MODE

BATCH

PRESET

BATCH

DELAY

ALARM

TOTAL

ALARM

GTOTAL

RLY 1

STPWATCH

Solid State Relay Outputs (RELAY)

The meter is optionally equipped with two solid state relays that may be set up for alarms, sample, timer, or batch control. Alternatively, they may be disabled. Alarms are available based on the rate, total, or grand total value, or the digital input. The alarm status will show on the display even if the output is not wired. Sample will engage the relay for a programmed period of time when either the total or the grand total have reach a programmed amount. A timer output (TIMER) turns the relay on and off at the specified time intervals. The timer can be set as single-shot or continuous timer. For use in batch control applications, the meter relays may be set to batch. This will enable the batch control features of the meter. The stopwatch output (STPWATCH) allows the relay to be manually activated by starting the stopwatch. The stopwatch count can be displayed on the top or bottom line. The output may be disabled by selecting DISABLE.

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Page 34

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

RLY 1

ALARM

D.INPUT

ALARM

ACTION

ACTN

AUTO

ACTN

AUTO.MAN

ACTN

LATCH

ACTN

L-CLEAR

SET

+00,040.00

SET

GAL

Flashes

Units

ALARM

RESET

ALARM

SET

RESET

+00,030.00

ALARM

DELAY

TIME

0000 SEC

DELAY

OFF

TIME

0000 SEC

ALARM

FAILSAFE

Rate, Total, GTotal Alarm Only

FSAFE

OFF

ALARM

DISPLAY

RED

FLASH

ALARM

GTOTAL

Rate Alarm Only

Rate, Total, Gr.

ALARM

RATE

ALARM

TOTAL

MSG

ALARM 1

Total Alarm Only

Alarm (ALARM)

Alarm outputs may be assigned to the rate, total, or grand total values, 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.MAN, LATCH, L-CLEAR) determine how and when the alarm should be reset. They operate as follows:

• Automatic (AUTO): Alarm will reset automatically once the alarm condition has cleared.

• Automatic/Manual (AUTO.MAN): Alarm will reset automatically once the alarm condition has

cleared but can also be reset using the Enter button (or whichever function key is set to

acknowledge).

• Latching (LATCH): Alarm will not reset automatically even if the alarm condition has cleared.

Press the Enter button at any time to acknowledge the alarm.

• Latching with Reset after Clear (L-CLEAR): Alarm must be reset manually and can only be

done so after the alarm condition has cleared. Press the Enter (ACK) button after the alarm con-

dition has cleared to reset the alarm. If the alarm is set to rate, a set and reset point must be programmed. The set point is the display value at which the alarm will turn on and the reset point is the display value at which the alarm will turn off. If the set point is lower than the reset point, the alarm will be a low alarm; if the set point is higher than the reset point, the alarm will be a high alarm. If the alarm is set to total or grand total, only a set point needs to be programmed. The digital input alarm will trigger whenever the digital input is triggered. For all alarms, a delay before the alarm is turned on or off may be set, as well as a failsafe feature which will inverse the on/off programming. Alarm states will be displayed on the meter even if no relay output is physically connected. The alarm indicator (!) will display as well as optional red LED backlight, flashing rate, total, or grand total value (rate, total, or grand total alarms only), and a programmable alarm message.

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Page 35

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

TOTAL

COUNT

GAL

COUNT

0,001,000.0

SAMPL

TIME

0010 SEC

RLY 1

SAMPLE

SAMPL

TOTAL

SAMPL

GTOTAL

Flashes

Units

RLY 1

TIMER

OFF.DLAY

TIMER

ON TIME

TIMER

MODE

TIMER

START

MODE

CONT

MODE

ONE.SHOT

H.MM.SS

00.01.00

H.MM.SS

00.00.01

TIMER

STOP

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. 1000, 2000, 3000).

Timer (TIMER)

Program the On Time (ONTIME) for the active low pulse from 1 second to 99 hours 59 minutes and 59 seconds (pulse width). This is the period of time for which the output will remain on.

in Advanced).

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Page 36

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

RLY 1

BATCH

COUNT

BATCH

MAXIMUM

BATCH

MODE

BATCH

PRESET

COUNT

DOWN

MAX

GAL

MAX

0,010,000.0

Flashes

Units

MODE

MANUAL

MODE

AUTO

PSET

GAL

PSET

0,001,000.0

Flashes

Units

BATCH

DELAY

TIME

0000 SEC

DELAY

OFF

TIME

0000 SEC

DELAY

9999 SEC

RLY 2

BATCH

PRECLOSE

YES

PRECLOSE

GAL

0,000,200.0

Flashes

Units

BATCH

DELAY

TIME

0000 SEC

DELAY

OFF

TIME

0000 SEC

BATCH

PRESET2

PSET2

GAL

PSET2

0,000,800.0

Flashes

Units

Batch Control (BATCH)

Selecting batch control for relay 1 will enable batching features on the meter. The top display will be changed to show the total and the bottom display will be changed to display the preset batch amount. The function keys will be 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. Enabling batch control for relay 1 will allow access to the BATCH menu under relay 2 (this menu does not appear by default).

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 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. The PRESET amount is the value at which the batch will stop and can be programmed up to the value assigned in the MAXIMUM menu. An on and off delay may be set for batching relays.

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.

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Batch Control Relay 2

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Page 37

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

INFO

RELAY 1

RELAY

RUNTIME

Flashes

Momentarily

TIME

195.0 H

CYCLE

COUNT

CYCLE

RLY 1

CLEAR?

Flashes

Momentarily

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.

1. Assign stopwatch to either top or bottom display line

2. Assign the open collector or relay to control the process (on/off)

3. Assign a function key or digital input to start/stop the stopwatch

Application Example

• Bottom display line

• Relay 1

• F3: Start/Stop

Procedure

• Press F3 to start the stopwatch; relay 1 turns on and the process starts running.

• Press F3 to stop the stopwatch; relay 1 turns off and the process stops.

• The bottom display indicates the time it took to complete the sample.

Relay Information (INFO)

The relay information menu shows run times and cycle counts for each relay. These values may be cleared at any time by selecting the Clear option (CLEAR?).

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Page 38

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SETUP

OUTPUT

OPEN

COLLECTR

OUT

RELAY

OUT

4-20 mA

4-20

RETRANS

4-20

DISABLE

DSP 1

+00,000.00

DSP 1

GAL

Flashes

Units

OUT 1

04.000

DSP 2

+00,100.00

OUT 2

20.000

AOUT

UNDER

U-RNG

DISABLE

AOUT

OVER

O-RNG

DISABLE

AOUT

SCALE

4-20

RATE

4-20

TOTAL

4-20 mA Output (4-20 mA)

The 4-20 mA menu is used to scale the 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. The output may be disabled (DISABLE), and will only output the minimum signal.

Overrange and underrange values determine what mA signal the meter will output if the mA input is underrange (<3.5 mA) or overrange (>20.5 mA). This value may be set to 1-mA, 3.5-mA, 3.8-mA, 20.5mA, 20.8-mA, 23-mA, or disabled.

No equipment is needed to scale the analog output; simply program two display values and corresponding mA output signals.

Rate or Total (RATE or TOTAL)

To scale the analog output, enter display value 1 and a corresponding analog output value for this display, then enter display value 2 and a corresponding analog output value for this display value. This

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will provide a linearly scaled analog output.

This option will retransmit the 4-20 mA analog input without the need to scale the output.

The Control menu is used to control the open collector outputs, 4-20 mA analog output, or the relays manually, ignoring the input. Each open collector, relay, and analog output can be programmed independently for manual control. Selecting automatic control sets all relays and analog output for automatic operation.

Retransmit (RETRANS)

Output Control (CONTROL)

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Page 39

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SETUP

ADVANCED

ADV

RATE

CUTOFF

SYSTEM USER PASSWRD

FILTER

ADV

TOTAL

ADV

GTOTAL

ADV

RATE

FUNCTION

RATE

SCALE.CAL

ADV

TOTAL

LIMIT

13-DIGIT

RATE

LINEAR

RATE

SQROOT

RATE

EXPONENT

SCALE

RATE

CAL

RATE

ADV

GTOTAL

TOTAL

COUNT

TOTAL

RESET

COUNT

LIMIT

8-DIGIT

COUNT

INITIAL

COUNT

INITIAL

00000

0,000,000.0

COUNT

0,000,000.0

RESET

ENABLE

RESET

DISABLE

Advanced Features Menu (ADVANCED)

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.

Advanced Rate, Total, and Grand Total Setup (ADV RATE, TOTAL, GTOTAL)

The Advanced Rate menu contains options to apply signal input conditioning functions to the input and scale/calibrate the input signal. The Advanced Total and Advanced Grand Total menus contain options to change how the value is incremented and if it can be manually reset by the user.

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Page 40

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Signal Input Conditioning Functions (FUNCTION)

The Function menu is used to select the signal input conditioner applied to the input: linear, square root, or programmable exponent 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. The linear function provides a display that is linear with respect to the input signal.

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.

Programmable Exponent Linearization (EXPONENT)

The programmable exponent can be used to linearize the signal from level transmitters in open-channel flow applications using weirs and flumes.

Multi-Point Linearization (LINEAR)

Meters are set up at the factory for linear function with 2-point linearization. Up to 32 linearization points can be selected for the scaled value under the linear function. Multi-point linearization can be used to linearize the display for non-linear signals to convert level to flow using weirs and flumes with complex exponent.

Advanced Total and Grand Total Programming (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 line only) and 13-digit (uses top and bottom line to display full number) and an initial value at which the total or grand total should begin counting to be set. When using a 13-digit total or grand total, press the function key assigned to display (default: F1) to view the full amount once the value has exceeded 100,000,000 (decimal places are automatically truncated). If a 13-digit total or grand total is displayed on the bottom line and the value has exceeded eight digits, the truncated value will flash to indicate that it is not the complete value. To display 13-digit grand total, assigned the top and bottom line to grand total. The reset menu allows the resetting of total or grand total to zero to be enabled or disabled.

Non-Resettable Grand Total

The grand total reset may be permanently disabled by selecting YES at the PERMLOCK menu after disabling grand total reset. Use caution when selecting the PERMLOCK feature as, once grand total reset has been permanently locked, it cannot be unlocked.

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Page 41

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

To scale the meter without a signal source, refer to Setting Up the Input Signal (INPUT), page 24.

RATE

SCALE.CAL

CAL

UNITS

TIME

/SECOND

UNIT

GAL/S

DSP 1

GAL/S

Flashes

Units

SCALE

RATE

CAL

RATE

INP 1

04.000 mA

DSP 1

+00,000.00

DSP 2

GAL

Flashes

Units

INP 2

20.000 mA

DSP 2

+00,100.00

SAVE?

Advanced Scaling and Calibration (SCALE.CAL)

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 Setting Up the Input Signal (INPUT) on page 24 for details about scaling the meter.

Calibrating the Input (CAL)

The meter can be calibrated to display the process in engineering units by applying the appropriate input signal and following the calibration procedure. The CAL menu should be used with a live signal coming from a 4-20 mA transmitter connected to the process being measured.

During calibration, the mA input value will be displayed as INP 1 and INP 2. Adjust the input source until the desired mA value is shown. The use of a calibrated signal source is strongly recommended.

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1. After accessing the SCALE.CAL menu, press the Right-Arrow button to scroll to the Calibration

menu (CAL RATE) and press Enter.

2. Select the appropriate units for the desired process variable, then press Enter. For information on

3. The meter displays INP 1. Apply a known signal and press Enter. The display will flash while

4. After the signal is accepted, the meter displays DSP 1. Enter a corresponding display value for the

5. The meter displays INP 2. Apply a known signal and press Enter. The display will flash while

6. After the signal is accepted, the meter displays DSP 2. Enter a corresponding display value for the

7. After completing calibration, the SAVE? display will need to be acknowledged using the Enter key

units, see Available Unit Classes and Units on page 25.

accepting the signal.

signal input, and press Enter to accept.

accepting the signal.

signal input and press Enter to accept.

before calibration will take effect.

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Page 42

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

LOCKED

PASSWRD

PASS

MAIN

LOCK

00000

LOCK

12345

Enter Numeric

Password

PASSWRD

Flashes

Momentarily

Low-Flow Cutoff (CUTOFF)

The low-flow cutoff feature allows the meter to be programmed so that the output from a flowmeter always displays zero on the meter at low flow rates. The cutoff value may be programmed from 0 to 999999.9. The meter will display zero below the cutoff value. The cutoff may also be disabled to display negative values.

Noise Filter (FILTER)

The noise filter is available for unusually noisy signals that cause an unstable process variable display. The noise filter averages the input signal over a certain period. The filter level determines the length of time over which the signal is averaged. The filter level can be set between 1 and 16 seconds or turned off. The higher the filter level, the longer the averaging time and so the longer it takes the display to settle to its final value. Setting the filter level to off disables the filter function.

Noise Filter Bypass (BYPAS)

The noise filter bypass changes the behavior of the meter so that small variations in the signal are filtered out but large abrupt changes in the input signal are displayed immediately. The bypass value determines the minimum amount of signal change to be displayed immediately. All signal changes smaller than the bypass value are filtered or averaged by the meter. The noise filter bypass may be set between 0.0 and

99.9% of full scale.

Enabling Password Protection (PASSWRD)

The Password menu is used for programming security to prevent unauthorized changes to the programmed parameter settings. There are three password types available: Main, Total, and Grand Total. The Main password prevents access to the meter Programming Mode. Total and Grand Total passwords prevent resetting of and changes to the total and grand total, respectively. In order to set a password, enter the Password menu and program a five-digit password. When the Main password has been enabled, the lock icon will display in the lower right of the display (PD6622/26 only). For instructions on how to program numeric values see Setting Numeric Values, page 23.

Making Changes to a Password Protected Meter

If the Main password is enabled, the meter will display the message LOCKED when the Menu button is pressed. If the Total or Grand Total passwords are enabled, the meter will display the message LOCKED when trying to reset or change the total or grand total. Press the Enter button while the message is being displayed and enter the correct password to gain access to the menu. After exiting Programming Mode, the meter returns to its password protected condition.

Disabling Password Protection

To disable the Main, Total, or Grand Total passwords, access the Password menu and clear the desired password either by pressing and holding the Right Arrow button until all digits reset to zero or manually changing all of the digits to zero. When the Enter button is pressed, the meter will display UNLOCKED and will no longer require a password to access Programming Mode, or a password to reset or change the total or grand total, depending on which password was cleared.

Note: If the meter is password protected and the password has been forgotten, the password may be overridden using the master password: 50865

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Page 43

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Display

Description

DISP FN

Set the function key or digital input to display a value

DISPLAY

Cycle max, min, rate, total, and grand total

D RATE

Display the rate

D TOTAL

Display the total

DISP GT

Display the grand total

PCT.RATE

Display the rate’s percentage of max (20 mA)

D UNITS

Display rate, total, and grand total units

D TAG

Display the tags

DISPMIN

Display the minimum rate value

DISPMAX

Display the maximum rate value

MIN MAX

Display the minimum and maximum rate value

D mA IN

Display the current mA input value

D mAOUT

Display the current mA output value

MENU FN

Set the function key or digital input to access a menu

RLYINFO

Go to relay information menu (INFO)

MANCTRL

Go to output control menu (CONTROL)

TIMR OC1

Open collector 1 timer

TIMR OC2

Open collector 2 timer

TIMER R1

Relay 1 timer

TIMER R2

Relay 2 timer

TIMER.FN

Set the function key or digital input to start or stop a timer

STRT.ALL

Start all timers

STOP.ALL

Stop all timers

S.STP.ALL

Start or stop all timers

OC1

Start/stop open collector 1 timer

OC2

Start/stop open collector 2 timer

RLY1

Start/stop relay 1 timer

RLY2

Start/stop relay 2 timer

START

Start the selected timer output

STOP

Stop the selected timer output

STR-STP

Start or stop the selected timer output

Display

Description

BATCH.FN

Set the function key or digital input to batch control

START

Start a batch

STOP

Stop a batch

STR-STP

Start or stop a batch

PRESET

Preset batch amount

ALARM.FN

Set the function key or digital input to acknowledge an alarm

ACK

Acknowledge all active alarms

SETPOINT

View all output set points

SETPT.OC1

View open collector 1 set points

SETPT.OC2

View open collector 2 set points

SETPT.R1

View relay 1 set points

SETPT.R2

View relay 2 set points

SWATCH.FN

Set the function key or digital input to activate stopwatch

START

Start the stopwatch

STOP

Pause/Stop the stopwatch

STR-STP

Start or stop the stopwatch

HOLD FN

Set the function key or digital input to hold an output

HOLD.OUT

Hold all outputs

HLD.UNHLD

Hold or un-hold all outputs

OC1+2

Hold/un-hold open collector outputs

RLY1+2

Hold/un-hold relay outputs

mAOUT

Hold/un-hold 4-20 mA output

HOLD

Hold selected output

HLD.UNHLD

Hold or un-hold selected output

DISABLE

Disable function key or digital input

RST FN

Set the function key or digital input to reset a value

RESET

Reset min, max, or max/min PV value

R MIN.MAX

Reset max and min PV value

RST T

Reset the total

RST GT

Reset the grand total

RST T.GT

Reset the total and grand total

USER

HINT

DISP FN

MENU FN

TIMER.FN

BATCH.FN

HOLD FN

RST FN

DISABLE

HINT

OFF

HINT

ALARM.FN

Programmable Function Keys User Menu (USER)

The User menu allows the user to assign the front panel function keys F1, F2, and F3, and the digital input (located on the signal input connector) to access some of the menus or to activate certain functions immediately (e.g. reset max & min, hold relay states, etc.). This allows the meter to be greatly customized for use in specialized applications.

Function Keys & Digital Input Available Settings

Refer to the following table for descriptions of each available function key or digital input setting.

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Page 44

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SYSTEM

SYSTM

AOUTCAL

SYSTM

DEFAULT

SYSTM

TOTAL

SYSTM

BACKLITE

SYSTM

INFO

SYSTM

ICAL

SYSTEM

SYSTM

AOUTCAL

SYSTM

DEFAULT

LOAD?

DEFAULT

RESET

DFAULT?

Meter Loads

Default Settings

and Restarts

Enabling the Function Key Hint Feature (HINT)

Enabling the function key hint feature will cause a hint message to be displayed when pressing the F1, F2, or F3 function keys. This text gives a brief description of what the button is programmed to do. Pressing that function key a second time will execute that action. The hint feature does not affect the digital input (DI) which is intended for immediate execution.

Changing System Settings (SYSTEM)

The System menu contains the following menus: Analog Output Calibration, Restore Factory Defaults, Totalizer, Backlight, Information, and Internal Calibration.

Analog Output Calibration (AOUTCAL)

To perform the analog output calibration, it is recommended to use a milliamp meter with a resolution of at least 0.1 µA to measure the output current. The values saved internally during this procedure are used for scaling the 4-20 mA output in the Setup menu.

Resetting the Meter to Factory Defaults (DEFAULT)

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 process from the factory defaults. To load factory defaults, enter the DEFAULT menu under the SYSTEM menu and press enter twice in quick succession. The meter will load the default settings and restart.

Disabling the Totalizer (TOTAL)

The totalizer can be disabled using the TOTAL menu. With the totalizer disabled, the meter will behave as a PD6602 or PD6604 process meter. Refer to the PD6602/4 instruction manual for instructions about programming a PD6602 or PD6604 process meter.

Enabling or Disabling the Backlight (BACKLITE)

The backlight may be enabled or disabled using the Backlight menu. The backlight is enabled by default, but the input must be wired appropriately in order for the backlight to function. See Safe Area Current Loop (4-20 mA) Connections on page 14. The voltage drop is the same if the backlight is not wired or if it is disabled in the menu.

Viewing System Information (INFO)

System information, such as software number, software version, model number, and system tag, may be viewed in the INFO menu. Press the Right Arrow button to cycle through all available meter information. Press Menu to go back to the previous menu.

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Page 45

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

The meter is factory calibrated prior to shipment to display

0 to 100, which corresponds to the 4-20 mA input. The

calibration equipment is traceable to NIST standards.

SYSTM

ICAL

4.000 mA

Display

Flashes While

Accepting Input

ICAL

20.000 mA

Display

Flashes While

Accepting Input

Apply 4-mA

Signal

Apply 20-mA

Signal

Calibrating the Internal mA Reference (ICAL)

The use of calibrated signal sources is necessary to calibrate the internal source of the meter. The meter’s internal source is what allows the user to scale the meter without applying a signal. Check calibration of the meter at least every 12 months. Note: Allow the meter to warm up for at least 5 minutes before performing the internal source calibration procedure. The Internal Calibration menu is part of the Advanced menu. Internal Calibration is performed as follows:

1. Press the Menu button to enter Programming Mode.

2. Press the Right Arrow button twice and press Enter to access the Advanced menu.

3. Press the Up-Arrow button and press Enter to access the System menu.

4. Press the Up-Arrow button and press Enter to access the ICAL menu.

5. The meter displays low input current message (4.000 mA). Apply a 4-mA signal and press Enter.

The display flashes for a moment while the meter is accepting the low input signal.

6. After the display stops flashing, the display moves to the high input calibration (20.000 mA). Ap-

ply the high input signal and press Enter. The display will flash again while the meter is accepting

the high input signal.

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Page 46

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Button Symbol

Description

Press to enter or exit Programming Mode, view settings, or exit max/min readings

Press to display grand total, max/min readings, or other parameter/function assigned through the User menu

Press to reset total, grand total, max/min readings, or other parameter/function assigned through the User menu

Press to acknowledge alarms or other parameters/function assigned through the User menu

Meter Operation

The meter is capable of accepting a 4-20 mA current signal and displaying it in engineering units from

-9,999 to 99,999 on the top line or from -9,999,999 to 99,999,999 on the bottom line. For example, a 4-20 mA signal could be displayed as -50.00 to 50.00.

The dual-line display can be customized by the user to operate in such a way as to satisfy a specific application. Typically, the top line is used for the rate variable while the bottom line is used for total, grand total, engineering units, or custom tag.

Front Panel Buttons Operation

Function Keys Operation

During operation, the programmable function keys operate according to the way they have been programmed in the Advanced Features – User menu. The table above shows the factory default settings for F1, F2, and F3.

A hint message may be enabled in order to provide a description of what each function key does prior to executing their assigned function. See Enabling the Function Key Hint Feature (HINT) on page 44.

Digital Input Operation

A digital input is standard on the meter. This digital input is programmed identically to function keys F1, F2, and F3. The input is triggered with a contact closure between DI+ and DI-, or with an active low signal. During operation, the digital input operates according to the way it has been programmed in the Ad- vanced Features – User menu.

Maximum/Minimum Readings

The max & min readings (peak & valley) reached by the rate variable can be displayed either continuously or momentary:

1. Display briefly by pressing the F1 key (default) or assigning to any of the other function keys or to the digital input in the User menu.

2. Display continuously by pressing the Enter button while the max/min is being displayed to lock the display. Press Enter again to unlock.

Any of the F1-F3 function keys (buttons) and the digital input can be programmed to reset the max & min readings. The meters are set at the factory to display the max reading by pressing the Right Arrow/F1 button and to use the Up-Arrow/F2 button to access the Reset menu. Press the Right Arrow button to cycle through the available parameters to reset.

Changing Engineering Units

It is possible to change the display units without the need to re-scale the meter. The UNITS menu within the DISPLAY menu allows the unit of measure to be changed (e.g. from gallons/second (GAL/s) to liters/second (L/s)) and the meter will automatically convert the display values to the new unit of measure. If entering a custom unit (CUSTOM), a custom conversion factor will need to be entered. See Changing the Units (UNITS) on page 26.

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Page 47

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

SYSTEM

SYSTM

AOUTCAL

SYSTM

DEFAULT

LOAD?

DEFAULT

RESET

DFAULT?

Meter Loads

Default Settings

and Restarts

Troubleshooting

Due to the many features and functions of the meter, it’s possible that the setup of the meter does not agree with what an operator expects to see. If the meter is not working as expected, refer to the recommendations below.

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 process from the factory defaults. To load factory defaults:

1. Press the Menu button to enter Programming Mode.

2. Press the Up-Arrow button twice and press Enter to access the Advanced menu.

3. Press the Up-Arrow button and press Enter to access the System menu.

4. Press the Right-Arrow button and press Enter to access the Default menu.

5. Press Enter twice in quick succession. The meter will load default settings and restart.

Determining Software Version

To determine the software version of a meter:

1. Press the Menu button to enter Programming Mode.

2. Press the Up-Arrow button twice and press Enter to access the Advanced menu.

3. Press the Up-Arrow button and press Enter to access the System menu.

4. Press the Up-Arrow button twice and press Enter to access the Info menu.

5. Press the Right-Arrow button to cycle through the meter information. When done, press the Menu button to return to the previous menu.

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Page 48

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Parameter

Display

Default Setting

Input Menu

Rate Units

UNITS

Gallons/second

Input 1

INP 1

4.000 mA

Display 1

DSP 1

0.00

Input 2

INP 2

20.000 mA

Display 2

DSP 2

100.00

Output Menu

Open Collector Output 1

OUTPUT 1

Disabled Pulse Factor

FACTOR

1.0

Test Frequency

FREQ

100

Alarm

ALARM

Rate

Alarm Action

ACTION

AUTO

Set Point

SET

20.00

Reset Point

RESET

10.00

Alarm On Delay

DELAY ON

0 seconds

Alarm Off Delay

DELAY OFF

0 seconds

Alarm Failsafe

FAILSAFE

OFF

Red LED

RED

Flash PV

FLASH

Alarm Message

MSG

Message Text

MSG EDIT

ALARM 1

Timer Off Delay

OFF.DLAY

1 minute

Timer On Time

ON TIME

1 second

Timer Mode

MODE

Continuous

Open Collector Output 2

OUTPUT 2

Disabled Set Point

SET

40.00

Reset Point

RESET

30.00

Message Text

MSG EDIT

ALARM 2

Relay Output 1

RELAY 1

Disabled

Alarm

ALARM

Rate

Alarm Action

ACTION

AUTO

Set Point

SET

70.00

Reset Point

RESET

60.00

Alarm On Delay

DELAY ON

0 seconds

Alarm Off Delay

DELAY OFF

0 seconds

Alarm Failsafe

FAILSAFE

OFF

Red LED

RED

Flash PV

FLASH

Alarm Message

MSG

Message Text

MSG EDIT

ALARM 3

Sample Count

TOTAL COUNT

1,000 gallons

Sample Time

TOTAL TIME

10 seconds

Parameter

Display

Default Setting

Batch Count

BATCH COUNT

Batch Max

BATCH MAXIMUM

10,000

Batch Mode

BATCH MODE

Manual

Batch Preset

BATCH PRESET

1,000

Batch On Delay

DELAY ON

0 seconds

Batch Off Delay

DELAY OFF

0 seconds

Timer Off Delay

OFF.DLAY

1 minute

Timer On Time

ON TIME

1 second

Timer Mode

MODE

Continuous

Relay Output 2

RELAY 2

Disabled

Set Point

SET

90.00

Reset Point

RESET

80.00

Message Text

MSG EDIT

ALARM 4

4-20 mA Output

4-20 mA

Rate

Advanced Menu

Signal Conditioning Function

FUNCTION

Linear (2 pts) Count Limit

COUNT LIMIT

8-Digit

Count Initial

COUNT INITIAL

Total Reset

TOTAL RESET

Enabled

GTotal Reset

GTOT RESET

Disabled

Non-Resettable Grand Total

PERMLOCK

No Low Cutoff

CUTOFF

Enabled: 0

Filter

FILTER

2.0 seconds

Filter Bypass

BYPAS

0.4 PCT

Main Password

MAIN

00000 (Unlocked)

Total Password

TOTAL

00000 (Unlocked)

GTot Password

GTOTAL

00000 (Unlocked)

Function Key 1

Display

Function Key 2

Reset

Function Key 3

Acknowledge

Digital Input

Reset Total

Function Key Hint Feature

HINT

Disabled Totalizer

TOTAL

Enabled

Backlight

BACKLIGHT

Enabled

Display Menu

Unit of Measure

UNITS

Gallons

Decimal Point Location

DEC.PT

Rate: 2; Total: 1; Grand Total: 0

Comma

COMMA

Enabled

Top Line

TOP

Rate

Bottom Line

BOTTOM

Total

Factory Default Settings

The following table shows the factory setting for most of the programmable parameters on the meter.

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Page 49

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

Symptom

Check/Action

No display at all

1. Check that the 4-20 mA current loop is providing at least 3.5 mA to the meter.

2. Check that the voltage drop of all devices connected to the 4-20 mA current loop does not exceed the max rating of the loop power supply.

Not able to change setup or programming, LOCKED is displayed

Meter is password-protected, enter correct five-digit password to unlock.

Meter display flashes:

1. 99999

2. -9999

Check that the number of digits required for the scaled value does not exceed the maximum digits for the display line. If it does, try adjusting the decimal point location for less precision or changing the PV display to the bottom line.

Display is unstable

Check:

1. Input signal stability and value.

2. Display scaling vs. input signal.

3. Filter and bypass values (increase).

Display response is too slow

Check filter and bypass values

Display reading is not accurate

Check:

1. Signal input conditioner selected: Linear, square root, etc.

2. Scaling or calibration

Display does not respond to input changes, reading a fixed number

Check display assignment. It might be displaying max, min, or set point.

Display shows MAX, MIN, RATE, TOTAL, or GTOT and a number

Max or min display has been locked. Press Enter to unlock max/min display readings.

Relay operation is reversed

Check fail-safe settings in Output menu

Relays do not respond to signal

Check:

1. Relay action in Output menu

2. Set and reset points

3. Check manual control menu

If the display locks up or the meter does not respond at all

Cycle the power to reboot the microprocessor. Other symptoms not described above

Call Technical Support for assistance.

Troubleshooting Tips

Note: Certain sequences of events can cause unexpected results. To solve these issues, it is best to start fresh from factory defaults and map changes ahead of time, rather than at random. See Reset Meter to Factory Defaults on page 47 for details on resetting the meter.

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Page 50

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

EU Declaration of Conformity for PD6622 & PD6624

Issued in accordance with ISO/IEC 17050-1:2004.

We,

Precision Digital Corporation 233 South Street Hopkinton, MA 01748 USA

as the manufacturer, declare under our sole responsibility that the product(s),

Model PD6622 and PD6624 Loop-Powered Process Meters

to which this declaration relates, is in conformity with the European Union Directives shown below:

2014/35/EU Low Voltage Directive 2014/30/EU EMC Directive 2011/65/EU RoHS Directive

This conformity is based on compliance with the application of harmonized or applicable technical standards and, when applicable or required, a European Union notified body certification.

Standards:

EN 55011:2016 EN 60079-0:2012+A11:2013 EN 60079-11:2012 EN 61010-1:2010 EN 61326-1:2013

Product Markings:

Signed for and on behalf of Precision Digital Corporation:

Name: Jeffrey Peters Company: Precision Digital Corporation Title: President Date: 02/12/2018 Document No: DoC PD6622 {021218}

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Page 51

Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual

EU Declaration of Conformity for PD6626 & PD6628

Issued in accordance with ISO/IEC 17050-1:2004 and ATEX Directive 2014/34/EU.

We,

Precision Digital Corporation 233 South Street Hopkinton, MA 01748 USA

as the manufacturer, declare under our sole responsibility that the product(s),

Model PD6626 and PD6628 Loop Powered Rate/Totalizer

to which this declaration relates, is in conformity with the European Union Directives shown below:

2014/35/EU Low Voltage Directive 2014/34/EU ATEX Directive 2014/30/EU EMC Directive 2011/65/EU RoHS Directive

This conformity is based on compliance with the application of harmonized or applicable technical standards and, when applicable or required, a European Union notified body certification.

Standards:

EN 55011:2016 EN 60079-0:2012+A11:2013 EN 60079-11:2012 EN 61010-1:2010 EN 61326-1:2013

EC Type Examination Certificate: CML 17ATEX2015X

Product Markings: II 1 G

Ex ia IIC T4 Ga Tamb = -40°C to +70°C

ATEX Notified Body for EC Type Examination Certificate: Certification Management Limited, NB 2503 Unit 1 Newport Business Park, New Port Road, Ellesmere Port CH65 4LZ, UK

ATEX Quality Assurance Notification No.: SIRA 10 ATEX M462

ATEX Notified Body for Quality Assurance: Sira Certification Service, NB 0518

Unit 6, Hawarden Industrial Park Hawarden, Deeside, CH5 3US, UK

Signed for and on behalf of Precision Digital Corporation:

Name: Jeffrey Peters Company: Precision Digital Corporation Title: President Date: 02/12/2018 Document No: DoC PD6626 {021218}

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