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PRECISION DIGITAL ProtEx PD6820, Instruction Manual

The PRECISION DIGITAL ProtEx PD6820 is an advanced industrial panel meter designed for precise process measurement. Unlock the full potential of this device by accessing the comprehensive Instruction Manual available for free download on our website. Maximize your PD6820's capabilities with step-by-step guidance from the manual, exclusively at manualshive.com.

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PD6820 Loop-Powered Process Meter                        Instruction Manual 

36

 

Advanced Features Menu & Display Messages 

The following table shows the 

Advanced

 features menu functions and messages in 

the order they appear in the menu. 

Display 

Parameter 

Action/Setting 

OUTPUT 

Output 

Enter output menu 

OFF 

Off 

Disable output 

Alrm 

Alarm Output 

Enter alarm output menu 

Rate 

Rate Alarm 

Assign alarm output to rate 

Total 

Total 

Assign alarm output to total 

Set 

Set Point 

Program set point 

Reset 

Reset Point 

Program reset point 

Pulse 

Pulse Output 

Program pulse output K-factor 

MAX HZ 

Frequency 

Program pulse output maximum frequency 

Funct 

Function 

Enter advanced function menu 

Lnear 

Linear 

Set linear scaling 

Squar 

Square Root 

Set square root extraction 

Prog..E 

Programmable 
Exponent 

Set programmable exponent 

CUTOFF 

Low-Flow Cutoff 

Set low-flow cutoff 

FILTER 

Filter 

Set noise filter 

OFF 

Filter Off 

Disable noise filter 

LO 

Filter Low 

Set noise filter to low setting 

NmED 

Filter Medium 

Set noise filter to medium setting 

HI 

Filter High 

Set noise filter to high setting 

ICAL 

Internal Calibra-
tion 

Enter internal reference calibration  

INFO 

Meter 
Information 

Show software number and version, or reset 
to factory defaults 

SFT 

Software 

Software number 

ver 

Software Version 

Software version 

RESET

 

DFALTS? 

Reset Defaults 

Restore factory default parameter settings 

Summary of Contents for ProtEx PD6820

Page 1: ...rd Protection 32 Point Square Root or Exponential Linearization Rate in Units per Second Minute Hour or Day Open Collector Pulse or Alarm Output Loop Powered or External DC Powered Backlight Standard HART Protocol Transparent 3 0 V Drop 6 0 V with Backlight Explosion Proof IP68 NEMA 4X Enclosure Operates from 40 to 75 C Order from C A Briggs Company 622 Mary Street Suite 101 Warminster PA 18974 Ph...

Page 2: ...ision Digital Corporation shall not be held liable for damages resulting from such improper use Failure to follow installation guidelines could result in death or serious injury Make sure only qualified personnel perform the installation Never remove the meter cover in explosive environments when the circuit is live Cover must be fully engaged to meet flameproof explosion proof requirements Limite...

Page 3: ...numeric total tag display will read up to 9999999 The alphanumeric display can also be programmed to show any combination of numbers and letters up to seven characters long for use as engineering units and or the process identification tag The backlight lets you see the display under any lighting condition and can be powered from either the 4 20 mA loop or from a separate DC power supply The enclo...

Page 4: ...uttons 18 Buttons and Display 19 Main Menu Display Functions Messages 20 Main Menu 22 Setting Numeric Values 23 Setting Up the Meter SETUP 24 Setting the Decimal Point dec PT 25 Programming the Meter PRoG 26 Scaling the Meter SCale 27 Calibrating the Meter Cal 28 Re Calibrating the Internal Calibration Reference ICaL 29 Setting the Time Base t base 29 Setting the Total Conversion Factor totCF 30 M...

Page 5: ...4 Factory Defaults User Settings 45 TROUBLESHOOTING 46 Troubleshooting Tips 46 MOUNTING DIMENSIONS 47 QUICK USER INTERFACE REFERENCE 49 EU DECLARATION OF CONFORMITY 51 Table of Figures Figure 1 Connector Board 13 Figure 2 Input Connections without Backlight 14 Figure 3 Input Connections with Loop Powered Backlight 14 Figure 4 Input Connections with Externally Powered Backlight 15 Figure 5 Reset Co...

Page 6: ...red until reset by the user or until power to the meter is turned off PASSWORD Programmable password restricts modification of programmed settings NON VOLATILE MEMORY All programmed settings and total reading 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 ENVIRONMENTAL Operating temperature range 40 to 75 C Storage temperature ...

Page 7: ...er stored in non volatile memory upon power loss TOTALIZER RESET User selectable via SafeTouch buttons time delay external contact closure or protected CALIBRATION RANGE An Error message will appear if input 1 and input 2 signals are too close together Input Range Minimum Span Input 1 Input 2 4 20 mA 0 10 mA MAXIMUM VOLTAGE DROP Without Backlight or with Externally Powered DC Powered Backlight Wit...

Page 8: ...ammable from 0 0001 to 99999 One pulse is generated for every total increment selected e g K factor value of 100 will generate one pulse every time the total is incremented by 100 units If the pulse output exceeds the programmed output fre quency pulses are accumulated as pending and are not lost Pulses will continue to output until the buffer is emptied or the total is reset from the front panel ...

Page 9: ...5749 IECEx Ex d IIC T6 Gb Ex tb IIIC T85 C Db IP68 Ta 40 C to 75 C Certificate number IECEx SIR 10 0056X Special Conditions for Safe Use Use suitably certified and dimensioned cable entry device and or plug The equipment shall be installed such that the supply cable is protected from mechanical damage The cable shall not be subjected to tension or torque If the cable is to be terminated within an ...

Page 10: ... 3 V 0 15 80 MHz 1 kHz 80 AM SAFETY INFORMATION WARNINGS Read complete instructions prior to installation and operation of the meter Installation and service should be performed only by trained service personnel Service requiring replacement of internal components must be performed at the factory Disconnect from supply before opening enclosure Keep cover tight while circuits are alive Conduit seal...

Page 11: ...ors remove the 2 captive screws then disconnect the ribbon cable from the display module and set the display module aside 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 Pre Installed Conduit Stopping Plug The PD6820 is s...

Page 12: ...e screw clockwise until the screw contacts the meter Turn the screw an additional 1 4 to 1 2 turn to secure the cover Caution Excess torque may damage the threads and or wrench Connections WARNINGS Static electricity can damage sensitive components Observe safe handling precautions for static sensitive components Use proper grounding procedures codes If the meter is installed in a high voltage env...

Page 13: ...egative when powering backlight from external supply OUTPUT NPN open collector output positive OUTPUT NPN open collector output negative RESET Contact closure reset pullup to 3 VDC RESET Contact closure reset ground negative Refer to Figure 1 for terminal positions WARNING Observe all safety regulations Electrical wiring should be performed in accordance with all agency requirements and applicable...

Page 14: ...gure 2 The loop powered backlight configuration requires a total maximum voltage drop of 6 V The backlight is recommended for dim lighting conditions and is enabled when wired as shown in Figure 3 or Figure 4 Figure 2 Input Connections without Backlight Figure 3 Input Connections with Loop Powered Backlight 4 20 mA Transmitter Power Supply SAFE TOUCH BUTTONS BACKLIGHT POWER UNLOCK LOCK LOOP 9 36 V...

Page 15: ...he loop circuit External Reset Connection External reset connections are made to two terminals labeled RESET Connect to a contact closure source such as a relay or a pushbutton as shown in Figure 5 Figure 5 Reset Connections 4 20 mA Transmitter Power Supply SAFE TOUCH BUTTONS BACKLIGHT POWER UNLOCK LOCK LOOP 9 36 VDC SIGNAL BACKLIGHT Power Supply Slide Switch to 9 36 VDC OUTPUT RESET SAFE TOUCH BU...

Page 16: ...ng the PD6820 s amplifying components use care not to wire incorrectly or exceed output ratings A diode such as 1N4000 series will provide protection from relay transients Figure 6 Connection to Device with Internal Pull Up Figure 7 Output Connections SAFE TOUCH BUTTONS BACKLIGHT POWER UNLOCK LOCK LOOP 9 36 VDC SIGNAL BACKLIGHT OUTPUT RESET Alarm Indicator Pulse Counter e g PD6300 SAFE TOUCH BUTTO...

Page 17: ...ated for milliamps prior to shipment The calibration equipment is traceable to NIST standards Overview Setup and programming is done through the infrared through glass SafeTouch buttons or using the mechanical buttons when uncovered There are two slide switches located on the connector board One is used to select backlight power if equipped and the other is to lock or unlock the SafeTouch Buttons ...

Page 18: ...onds of inactivity The SafeTouch Buttons are designed to filter normal levels of ambient interference and to protect against false triggering however it is recommended that the SafeTouch Buttons be disabled slide switch to LOCK if there is an infrared interference source in line of sight to the display SafeTouch Button Tips To remove cover with power applied safe area only or to clean the window s...

Page 19: ... to enter or exit the Programming Mode at any time Press the Right arrow button to move to the next digit or decimal position during programming Press the Up arrow button to scroll through the menus decimal point or to increment the value of a digit Press the Enter button to access a menu or to accept a setting Press and hold the Menu button for five seconds to access the Advanced fea tures of the...

Page 20: ... Scale Enter the Scale menu Cal Calibrate Enter the Calibrate menu Inpt1 Input 1 Calibrate input 1 signal or program input 1 value DspL1 Display 1 Program display 1 value Inpt2 Input 2 Calibrate input 2 signal or program input 2 value DsPl2 Display 2 Program display 2 value Span Error Span Error Error calibration not successful check signal TbASE Time Base Enter the Time Base menu sec Second Units...

Page 21: ...e Tag Units OFF Tag Off Disable Tag Units togle Tag Toggle Toggle Tag and Total PASSWRD Password Enter the Password menu UNLOCKD Unlocked Program password to lock meter LOCKED Locked Enter password to unlock meter 99999 99999 Flashing display Overrange condition Underrange condition SERVICE Service Select before removing installing cover for service or to clean the glass window ...

Page 22: ...tton to enter Programming Mode then press the Up Arrow button to scroll through the main menu Press MENU at any time 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 Enter The display moves to the next menu every time a setting is accepted by pressing Enter ...

Page 23: ...ght and Up arrow buttons Press Right arrow to select next digit and Up arrow to increment digit The digit being changed blinks Press the Enter button at any time to accept a setting or MENU button to exit without saving changes The decimal point is set using the Right or Up arrow button in the Setup decimal point menu ...

Page 24: ...o select 1 Rate and total decimal point position 2 Program menu 3 Rate and total tag display 4 Time base 5 Total conversion factor 6 Manual or automatic total reset function Press the Enter button to access any menu or press Up arrow button to scroll through choices Press the Menu button to exit at any time ...

Page 25: ... up to six decimal places or with no decimal point at all Rate decimal and total decimal are programmed individually Pressing the Right arrow moves the decimal point one place to the right until no decimal point is displayed Pressing the Up arrow moves the decimal point one place to the left dec pt SeTUP RATE DECIMAL dd ddd RATE TOTAL DECIMAL Select Total Decimal Point ToTAL ddddd dd Select Rate D...

Page 26: ...r Use the Calibrate menu to apply a signal from a calibrator or a flowmeter for the default 2 point scaling Note The Scale and Calibrate functions are exclusive of each other The meter uses the last function programmed Only one of these methods can be employed at a time The Scale and Calibrate functions can use up to 32 points default is 2 The number of points should be set in the Advanced menu un...

Page 27: ... 4 20 mA input can be scaled to display the process in engineering units A signal source is not needed to scale the meter simply program the inputs and corresponding display values Figure 8 Scale Menu For instructions on how to program numeric values see Setting Numeric Values page 23 ...

Page 28: ... 2 The meter displays Inpt1 Apply a known signal and press Enter The display will flash while accepting the signal 3 After the signal is accepted the meter displays dspl1 Press Enter Enter a corresponding display value for the signal input and press Enter to accept 4 The meter displays Inpt2 Apply a known signal and press Enter The display will flash while accepting the signal 5 After the signal i...

Page 29: ...rating the Internal Calibration Reference ICaL The Internal Calibration ICAL menu located in the Advanced features menu is used to recalibrate the internal calibration reference Recalibration is recommended at least every twelve months Refer to Internal Calibration ICAL page 42 for instructions Setting the Time Base t base The meter calculates total based on rate and a time base of units per secon...

Page 30: ...used to convert to a different unit of total display For example to display rate in gallons and total in liters enter a conversion factor of 3 7854 When rate and total units are the same the Conversion Factor should be 1 0000 Press the Enter button at any time to accept a setting or Menu button to exit without saving changes ...

Page 31: ...al Once the set point is reached the meter waits for a programmed amount of time t dly and then resets the total to zero To enable total reset by Reset button choose man Enabl To disable total reset by Reset button choose man dsabl To reset total upon total alarm set point choose auto enter a time delay t dly and proceed to programming the set point see page 38 Press the Enter button at any time t...

Page 32: ...cally cycle the lower display between total reading for ten seconds and tag for two seconds choose tOgle To disable the tag display and show only total reading uninterrupted on the lower display choose Off To show tag only on the lower display choose On Totalizing continues in the background but is not shown while On is selected Selecting On or togle prompts for entry of the tag The unit being cha...

Page 33: ...ric values see Setting Numeric Values page 23 Record the password for future reference If appropriate it may be recorded in the space provided Model Serial Number Password __ __ __ __ __ Making Changes to a Password Protected Meter If the meter is password protected the meter will display the message LOCKED when the Menu button is pressed Press the Enter button while the message is being displayed...

Page 34: ... Did you forget the password The password may be disabled by entering a master password If you are authorized to make changes enter the master password 50865 to unlock the meter Service Feature SERVICE Select SERVICE from the main menu to temporarily disable the SafeTouch buttons to prevent inadvertent use Buttons will automatically resume operation after 60 seconds The display blinks the message ...

Page 35: ...ons are located in the Advanced features menu Press and hold the MENU button for five seconds to access the Advanced features menu Press the Enter button to access any menu or press Up arrow button to scroll through choices Press the Menu button to exit at any time 3024 7 74325 68 Run Mode OUTPUT FUNCTN fILTER ICAL INFO Hold for five seconds CUTOFF ...

Page 36: ... Program pulse output maximum frequency Funct Function Enter advanced function menu Lnear Linear Set linear scaling Squar Square Root Set square root extraction Prog E Programmable Exponent Set programmable exponent CUTOFF Low Flow Cutoff Set low flow cutoff FILTER Filter Set noise filter OFF Filter Off Disable noise filter LO Filter Low Set noise filter to low setting NmED Filter Medium Set noise...

Page 37: ... high or low rate alarm trip point total alarm trip point or pulse output based on K factor The pulse output frequency may be programmed for 2 4 8 16 32 64 or 128 Hz The output may be disabled by selecting off When alarm indication is enabled the HI and LO symbols are used accompanied by a flashing display The alarm status will show on the display even if the output is not wired OUTPUT ALRNm OUTPU...

Page 38: ... the output wired for automatic reset function to work To acknowledge an alarm press the Enter button once for acknowledge prompt and a second time to confirm Pulse Output K Factor Pulse The pulse output K factor corresponds to the total units e g gallons needed to generate one pulse For example if the K factor value is set to 10 one pulse is generated for every 10 counts incremented on the displa...

Page 39: ...uire a complex exponent These points are established via direct entry SCALE or with an external calibration signal CAL Manual Entry SCALE Manual entry of the linearization data is done once the number of points has been se lected NO PTS Input signal levels InP 1 32 for up to 32 points along with the de sired corresponding meter reading dSP 1 32 should be entered for each lineariza tion point See F...

Page 40: ...to linearize the signal from a differential pressure transmitter and display flow rate in engineering units Programmable Exponent Linearization Prog E The programmable exponent can be used to linearize the signal from level transmitters in open channel flow applications using weirs and flumes FUNCTN PROGRAM PROGRAM CAL inP 1 CAL dsp 1 DSPLY 1 0000 0 CAL INP 2 LnEAR ...

Page 41: ...r square root or programmable exponent will set the cutoff value to 0 Program the cutoff value to 0 to disable Input Signal 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 can be set to low LO medium nmed high HI or off OFF The higher the filter ...

Page 42: ...ernal Calibration menu ICAL and press Enter The meter displays 4 000 mA Apply a 4 000 mA signal and press Enter The display flashes for a moment while the meter is accepting the signal After the signal is accepted the meter displays 20 000 mA Apply a 20 000 mA signal and press Enter The display flashes for a moment while the meter is accepting the signal Error Message SPAN ERROR An error message i...

Page 43: ...tion Press to enter or exit Programming Mode or exit Max Min readings Press to reset total if enabled Press to reset Max Min readings Press to display Max Min readings alternately Press to acknowledge alarm if enabled Press to display Max or Min reading indefinitely while displaying Max or Min MENU RESET DISPLAY Enter ...

Page 44: ...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 Instructions to load factory defaults Enter the Advanced features menu Press and hold RESET button when INFO is shown Press Enter when RESET DFALTS prompt is shown Note If Enter is not pressed within three seconds the prompt will sto...

Page 45: ...______________ Date _________ Parameter Display Default Setting User Setting Programming PROGRAM Scale Input 1 INPt1 4 000 mA Display 1 Dspl1 4 000 Input 2 INPt2 20 00 mA Display 2 Dspl2 20 000 Decimal point rate Dd ddd 3 places Decimal point total Dddddd dd 2 places Tag tag Off Time Base tbase Minute Conversion Factor TotCF 1 0000 Total Reset Function T rst Manual Enabled Password PASSWRD 00000 u...

Page 46: ...INIMUM Press Menu to exit Max Min display readings Display response is too slow Check filter setting to see if it can be lowered to LO or OFF If the display locks up or the meter does not respond at all Perform hard reset by shorting S and S terminals Backlight does not appear Backlight is intended for viewing assistance in dim lighting conditions It may not be noticeable under good lighting condi...

Page 47: ...PD6820 Loop Powered Process Meter Instruction Manual 47 MOUNTING DIMENSIONS All units inches mm Figure 10 Enclosure Dimensions Front View 3 35 85 1 2 25 57 1 0 32 8 2 5 65 143 5 5 25 133 4 ...

Page 48: ...PD6820 Loop Powered Process Meter Instruction Manual 48 Figure 11 Enclosure Dimensions Side Cross Section View 3 35 85 0 4 15 105 5 3 22 81 9 4 86 123 5 ...

Page 49: ...int position Reset Total Up Arrow Move to next selection or increment digit Go to Max Min Mode Enter Ack Accept selection value and move to next selection Acknowledge Alarm Menu held for 5 seconds enters Advanced Features Menu Max Min Mode While in Run Mode pressing Up Arrow will initiate Max Min Mode Up Arrow toggles between Max Min displays and Right Arrow resets the Max Min to the current value...

Page 50: ...PD6820 Loop Powered Process Meter Instruction Manual 50 ...

Page 51: ... 2007 EN 60079 31 2009 EN 61000 6 4 2004 EN 61010 1 2001 and EN 61326 2006 are no longer harmonized The requirements of these standards have been checked against the harmonized standard EN 55022 2010 EN 60079 0 2012 A11 2013 EN 60079 1 2014 EN 60079 31 2014 EN 61000 6 4 2007 A1 2011 EN 61010 1 2010 and EN 61326 2013 and there were no major technical changes affecting the latest technical knowledge...

Page 52: ...or 508 655 7300 Fax 508 655 8990 Email support predig com For Sales Support Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com For the latest version of this manual please visit www predig com Order from C A Briggs Company 622 Mary Street Suite 101 Warminster PA 18974 Phone 267 673 8117 Fax 267 673 8118 Sales cabriggs com www cabriggs com ...

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