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Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers
Instruction Manual
1/8 DIN Loop-Powered Flow Rate/Totalizers with NEMA 4X, IP65 Front
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4-20 mA Input Displayed with ±0.02% Accuracy
1.5 Volt Drop (4.5 Volt Drop with Backlight)
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0.7" (17.8 mm) 5 Alphanumeric Characters Top Display
0.4" (10.2 mm) 8 Alphanumeric Characters Bottom Display
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8-Digit Total & Grand Total Display, Up to 13 Digits Using Both Lines
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Display Rate & Total Simultaneously
Display Open Channel Flow with Programmable Exponent Feature
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32-Point Linearization & Square Root Extraction
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20-Segment Bargraph with Numeric Percent Indication, Optional
Shallow Depth Case Extends Only 3.6" (91 mm) Behind Panel
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(2) Open Collector Outputs Standard; Assigned to Pulse, Alarm, Timer, or Stopwatch
(2) Optional Loop-Powered Solid State Relays; Assigned to Alarm, Sample, Timer, Batch, or Stopwatch
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Stopwatch & Timer Functions to Drive Relays & Open Collectors
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Optional Isolated 4-20 mA Analog Output
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Display Relay Runtime & Cycle Count via Relay Info Menu
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Free PC-Based MeterView XL USB Programming Software
HART
Protocol Transparent
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Loop-Powered Backlight with Red Backlight for Alarm Conditions
Safe Area Operating Temperature Range: -40 to 167°F (-40 to 75°C)
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Conformal Coated PCBs for Dust & Humidity Protection
Password Protection
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UL & C-UL 61010 Listed for Electrical Safety
UL & C-UL Listed as Intrinsically Safe and Nonincendive
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ATEX and IECEx Certified as Intrinsically Safe
Wide Assortment of NEMA 4X Enclosures for up to Ten Meters
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Light / Horn & Reset Button Accessory
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Control Station Accessory for Remote Operation of Digital Input
3-Year Warranty
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PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
IECEx
PD6626 & PD6628 Only
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Related Manuals for Precision Digital Corporation Loop Leader PD6620 Series
Summary of Contents for Precision Digital Corporation Loop Leader PD6620 Series
- Page 1 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual IECEx PD6626 & PD6628 Only 1/8 DIN Loop-Powered Flow Rate/Totalizers with NEMA 4X, IP65 Front • • 4-20 mA Input Displayed with ±0.02% Accuracy 1.5 Volt Drop (4.5 Volt Drop with Backlight) •...
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Page 2: Introduction
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Disclaimer Introduction The information contained in this document is These loop-powered 1/8 DIN flow rate/totalizers can subject to change without notice. Precision Digital be installed virtually anywhere to provide convenient Corporation makes no representations or warranties and informative display of flow rate and total from a with respect to the contents hereof;... -
Page 3: Ordering Information
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Ordering Information General Purpose Instruments 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... -
Page 4: Table Of Contents
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Table of Contents Introduction ......................2 Ordering Information ..................3 General Purpose Instruments ............... 3 Hazardous Area Instruments ................ 3 Enclosures ...................... 3 Accessories ....................3 Specifications ..................... 6 Display ......................6 General ...................... - Page 5 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Programming the Outputs (OUTPUT) ............23 Open Collector Outputs (OPEN COLLECTR) ..........23 Solid State Relay Outputs (RELAY) ............26 Isolated 4-20 mA Output (4-20 mA) ............29 Output Manual Control (CONTROL) ............29 Advanced Features Menu (ADVANCED) ............
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Page 6: Specifications
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Specifications 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 Except where noted all specifications apply to operation at +25°C. -
Page 7: Rate/Totalizer
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Rate/Totalizer Common Open Collector & Relay (Alarm) Specifications Rate Display Top display: -9999 to 99999; Bottom display: -9,999,999 to 99,999,999 Number Two open collectors & two relays (with commas) High or Low User programmable for high or low alarm Total &... -
Page 8: Solid State Relays
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Solid State Relays MeterView XL Programming Software Rating 250 VAC/VDC @ 1A resistive 75VA; 250VAC; 0.6A pilot duty Availability Free download from www.predig.com (inductive) – UL Code D300 25VA; 250VDC; 0.6A pilot duty System Microsoft®... -
Page 9: Pd6626 & Pd6628 Compliance Information
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual PD6626 & PD6628 ATEX/IECEx Special Conditions for Safe Use The following conditions relate to safe installation Compliance Information and/or use of the equipment. Safety • The permitted ambient temperature range for the PD6626/PD6628 is -40°C to 70°C. -
Page 10: Safety Information
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Safety Information Required I.S. Equipment Relationship I.S. Barrier Entity Entity Between Entity Parameters Parameters Parameters V max (or Ui) ≥ Voc or Vt (or Uo) • Read complete instructions prior to installation and I max (or Ii) ≥... -
Page 11: Installation
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual 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... -
Page 12: Dimensions
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Dimensions Connections All units: inches (mm) All connections are made to removable screw terminal connectors located at the rear of the meter. 1.76" (45mm) This section is only intended for PD6622 and PD6624 safe area installations. -
Page 13: Wiring Diagrams
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Wiring Diagrams Safe Area 4-20 mA Output Connections Connections for the 4-20 mA transmitter output are Safe Area Current Loop (4-20 mA) made to the connector terminals labeled mA OUT. Connections The 4-20 mA output must be powered from an external power supply. -
Page 14: Setup And Programming
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Setup and Programming Front Panel Buttons and Status LED Indicators 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. -
Page 15: Display Functions & Messages
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Display Functions & Messages Parameter Action/Setting Description Program the open collector for PULSE The meter displays various functions and messages during pulse output setup, programming, and operation. The following table shows the main menu functions and messages in the order... - Page 16 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Parameter Action/Setting Description Parameter Action/Setting Description Set meter for linear function and 4 seconds LINEAR 4 . 0 SEC select number of linearization 8 seconds 8 . 0 SEC points 16 seconds 16 .
- Page 17 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Parameter Action/Setting Description Parameter Action/Setting Description Start or stop all timers Reset the total and grand total S . S TP . A LL RST T. G T Start/stop open collector 1 timer...
- Page 18 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Parameter Action/Setting Description Parameter Action/Setting Description Display the rate and the total’s Display the tag RATE+TU units alternating Display the units UNITS Display the rate and its units RATE+U Display the preset value...
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Page 19: Main Menu
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Main Menu Setting Numeric Values The numeric values are set using the Right and The main menu consists of all the meter’s program- Up-Arrow buttons. mable functions: Input, Output, Advanced, and Dis- Press Right-Arrow to select next digit and play. -
Page 20: Available Unit Classes And Units
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Available Unit Classes and Units Scaling Example The meter has preprogrammed rate and time base The 4-20 mA input can be scaled to the appropriate units. The following are the available units to choose values for a given application. -
Page 21: Setting The Display Features (Display)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Setting the Display Features Display Capabilities Optimization (TOP and BOTTOM) (DISPLAY) Display Configuration Examples The meter’s display functions may be programmed The meter’s dual-line display can be setup in multiple using the Display menu. This menu consists of the... -
Page 22: Configuring The Display (Top And Bottom)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Configuring the Display The bottom display (BOTTOM) can display: (TOp and BOTTOM) • Total (with units or tag alternating) • Total, its units, and the rate units alternating The two display lines (Top and Bottom) can be pro- •... -
Page 23: Programming The Outputs (Output)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Programming the Outputs The Open Collector Outputs are programmed in the following manner: (OUTPUT) SETUP OUTPUT Depending on the purchased model, the meter may be available with two open collector outputs, two solid OPEN OC . - Page 24 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Alarm (ALARM) For both the rate and digital input alarms, a delay Alarm outputs may be assigned to the rate, total, grand total, or the digital input. When assigned to the...
- Page 25 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Timer (TIMER) Stopwatch (STPWATCH) The timer output may be set to generate the timed The stopwatch function may be used to manually run pulse only once (ONESHOT) or continuously (CONT). and control a process for a specific time interval up to 99 hrs, 59 min, and 59 seconds.
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Page 26: Solid State Relay Outputs (Relay)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Solid State Relay Outputs (RELAY) The meter is optionally equipped with two solid state relays that may be set up for alarms, sample, timer, batch control, or stopwatch. Alternatively, they may be disabled. - Page 27 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Alarm (ALARM) Sample (SAMPLE) Alarm outputs may be assigned to the rate, total, A relay set to sample will trigger when the total or grand total, or the digital input. When assigned to the...
- Page 28 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Batch Control (BATCH) Stopwatch (STPWATCH) Selecting batch control for relay 1 will enable batching The stopwatch function may be used to manually run features on the meter. The top display will be...
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Page 29: Isolated 4-20 Ma Output (4-20 Ma)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Isolated 4-20 mA Output (4-20 mA) Output Manual Control (CONTROL) The 4-20 mA menu is used to scale the 4-20 mA out- The Control menu is used to control the open collec- put based on display values. -
Page 30: Advanced Features Menu (Advanced)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Advanced Features Menu Square Root Linearization (SQROOT) The square root function can be used to linearize the (ADVANCED) signal from a differential pressure transmitter and dis- play flow rate in engineering units. - Page 31 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual The Programmable Exponent function is programmed in the following manner: Programmable Exponent Linearization (EXPONENT) The programmable exponent can be used to linearize the RATE 1. 5 000 RATE signal from level transmitters in open-channel flow...
- Page 32 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Multi-Point Linearization (LINEAR) Up to 32 linearization points can be selected for rate under the LINEAR function. Multi-point linearization can be used to linearize the display for non-linear sig- nals such as those from level transmitters used to convert level to flow using weirs and flumes with com- plex exponent.
- Page 33 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Advanced Total and Advanced Scaling and Calibration Grand Total Programming (SCALE. C AL) (ADV TOTAL & ADV GTOTAL) This menu offers options to scale or calibrate the meter. The advanced total and grand total menu contain the Scaling the Input (SCALE) count (COUNT) and reset (RESET) menus.
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Page 34: Low-Flow Cutoff (Cutoff)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Low-Flow Cutoff (CUTOFF) Making Changes to a Password Protected Meter The low-flow cutoff feature allows the meter to be pro- grammed so that the often-unsteady output from a dif- If the Main password is enabled, the meter will display... - Page 35 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Function Keys & Digital Input Display Description Available Settings Start the selected timer output START Stop the selected timer output STOP Refer to the following table for descriptions of each Start or stop the selected timer output available function key or digital input setting.
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Page 36: Changing System Settings (System)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Enabling the Function Key Hint Enabling or Disabling the Feature (HINT) Backlight (BACKLITE) Enabling the function key hint feature will cause a hint The backlight may be enabled or disabled using the message to be displayed when pressing the F1, F2, Backlight menu. - Page 37 Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Calibrating the Internal mA Reference (ICAL) The Internal Calibration menu is part of the Advanced menu. Internal Calibration is performed as follows: The meter is factory calibrated prior to shipment to...
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Page 38: Meter Operation
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Meter Operation Function Keys Operation The meter can accept a 4-20 mA current signal and display it in engineering units from -9999 to 99999 on During operation, the programmable function keys op-... -
Page 39: Runtime & Cycle Count (Info)
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Runtime & Cycle Count (INFO) The relay information menu shows runtime and cycle count for each relay. These values may be cleared at any time by selecting the Clear option (CLEAR?). If... -
Page 40: Troubleshooting
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Troubleshooting Determining Software Version This product is a highly sophisticated instrument with To determine the software (firmware) version of a an extensive list of features and capabilities. If the meter: front panel buttons are used to program the meter, it Press the Menu button to enter can be a difficult task to keep everything straight. -
Page 41: Factory Default Settings
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Factory Default Settings Parameter Display Default Setting Sample Time 10 seconds The following table shows the factory setting for most TOTAL TIME of the programmable parameters on the meter. Batch Count... -
Page 42: Troubleshooting Tips
Loop Leader PD6620 Series Loop-Powered Flow Rate/Totalizers Instruction Manual Troubleshooting Tips Certain sequences of events can cause unexpected results. To solve these issues, it is best to start fresh from factory defaults and use the manual as a step by step programming guide, rather than a random approach to programming. See Reset Meter to Factory Defaults on page 40 for details on resetting the meter to factory defaults. -
Page 43: Eu Declaration Of Conformity For Pd6622 & Pd6624
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:... -
Page 44: Eu Declaration Of Conformity For Pd6626 & Pd6628
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... - Page 45 Loop Leader PD6620 Series Loop-Powered Rate/Totalizer Instruction Manual Contact Precision Digital Technical Support Call: (800) 610-5239 or (508) 655-7300 Fax: (508) 655-8990 Email: support@predig.com Sales Support Call: (800) 343-1001 or (508) 655-7300 Fax: (508) 655-8990 Email: sales@predig.com Place Orders Email: orders@predig.com For the latest version of this manual please visit www.predig.com...
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