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Precision Digital Corporation PD6800-0K0, Instruction Manual

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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 

PD6800 EXPLOSION-PROOF 

LOOP-POWERED PROCESS METER 

 

 

 

4-20 mA Input Loop-Powered 

 

Modern, Sleek and Practical Enclosure 

 

5 Digits, 0.7" (17.8 mm) Upper Display 

 

7 Alphanumeric Character, 0.4" (10.2 mm) Lower Display 

 

SafeTouch

®

 Through-Glass Button Programming 

 

Password Protection 

 

32-Point, Square Root, or Exponential Linearization 

 

Loop-Powered or External DC-Powered Backlight Standard 

 

HART

®

 Protocol Transparent 

 

3 V Drop (6.0 V with Backlight) 

 

Explosion-Proof, IP68, NEMA 4X Enclosure 

 

Operates from -40 to 75°C 

Summary of Contents for PD6800-0K0

Page 1: ... Sleek and Practical Enclosure 5 Digits 0 7 17 8 mm Upper Display 7 Alphanumeric Character 0 4 10 2 mm Lower Display SafeTouch Through Glass Button Programming Password Protection 32 Point Square Root or Exponential Linearization Loop Powered or External DC Powered Backlight Standard HART Protocol Transparent 3 V Drop 6 0 V with Backlight Explosion Proof IP68 NEMA 4X Enclosure Operates from 40 to ...

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: ... 99999 and the alphanumeric display can 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 enclosure is provided with two threaded conduit h...

Page 4: ...etting Numeric Values 20 Setting Up the Meter SETUP 20 Setting the Decimal Point Dec Pt 21 Programming the Meter PRoG 22 Scaling the Meter SCale 23 Calibrating the Meter Cal 24 Re Calibrating the Internal Calibration Reference ICaL 25 Setting the Tag Display tag 25 Setting Up the Password PASSWRD 26 Locking the Meter 26 Making Changes to a Password Protected Meter 26 Disabling Password Protection ...

Page 5: ...TROUBLESHOOTING 38 Troubleshooting Tips 38 MOUNTING DIMENSIONS 39 QUICK USER INTERFACE REFERENCE 41 EU DECLARATION OF CONFORMITY 43 Table of Figures Figure 1 Connector Board 12 Figure 2 Connections without Backlight 13 Figure 3 Connections with Loop Powered Backlight 14 Figure 4 Connections with Externally Powered Backlight 14 Figure 5 Scale Menu 23 Figure 6 Multi Point Linearization Menu 32 Figur...

Page 6: ...N 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 Programmable password restricts modification of programmed settings NON VOLATILE MEMORY All programmed settings 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 temperatur...

Page 7: ...C from 40 to 75 C ambient DECIMAL POINT User selectable decimal point MINIMUM SPAN Input 1 Input 2 0 10 mA 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 With Loop Powered Backlight 3 0 VDC 20 mA 6 0 VD...

Page 8: ...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 9: ...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 seals...

Page 10: ...ectors 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 PD6800 i...

Page 11: ...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 12: ... signal return negative terminal when using the installed loop powered backlight or ground negative when powering backlight from external supply 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 national state and local codes to prevent damage to the meter and ensure person...

Page 13: ...ly the two signal terminals are connected The 4 20 mA input with no backlight has a maximum voltage drop of 3 V and is wired as shown in Figure 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 Connections without Backlight 4 20 mA Trans...

Page 14: ...al loop power supply for the externally powered backlight The backlight circuit will draw 25 mA in addition to the loop circuit 4 20 mA Transmitter Power Supply SAFE TOUCH BUTTONS BACKLIGHT POWER UNLOCK LOCK LOOP 9 36 VDC SIGNAL BACKLIGHT Slide Switch to LOOP 4 20 mA Transmitter Power Supply SAFE TOUCH BUTTONS BACKLIGHT POWER UNLOCK LOCK LOOP 9 36 VDC SIGNAL BACKLIGHT Power Supply Slide Switch to ...

Page 15: ...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 16: ...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 17: ...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 in crement 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 meter EN...

Page 18: ...alibrate 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 tag Tag Units Enter the Tag Units Menu ON Tag On Enable Tag Units OFF Tag Off Disable Tag Units PASSWRD Passwo...

Page 19: ...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 20: ...ncrement 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 Setting Up the Meter SETUP 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 21: ...t with up to four decimal places or with no decimal point 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 Select Decimal Point Accept Setting dec Pt SeTUP DD DDD DEC PT DDD DD DEC PT Or ...

Page 22: ...or 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 u...

Page 23: ... 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 5 Scale Menu For instructions on how to program numeric values see Setting Numeric Values page 20 ...

Page 24: ... 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 25: ...enu is used to recalibrate the internal calibration reference Recalibration is recommended at least every twelve months Refer to Internal Calibration ICAL page 34 for instructions Setting the Tag Display tag The meter can be set to display a combination of seven alphanumeric characters for engineering units e g GALLONS or for identification e g TANK 3 Press Right arrow to select next unit and Up a...

Page 26: ...ric values see Setting Numeric Values page 20 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 27: ...d 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 28: ...d in the Advanced features menu Press and hold the MENU button for five seconds to access the Advanced features menu 3024 7 GALLONS Run Mode INDICAT FUNCTN fILTER ICAL INFO Press Enter Ack to Access Menu or to Accept Setting Press Up to Scroll Menu and to Increment Digit Value Press Right to Select Next Digit Press Menu to Exit at any Time Hold for five seconds ...

Page 29: ... 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 C...

Page 30: ...rm trip point program set point above reset point Low alarm trip point program set point below reset point Alarm deadband is determined by the difference between set and reset points Minimum deadband is one display count If set and reset points are programmed the same output will reset one count below set point To acknowledge a rate or total alarm press the Enter button once for acknowledge prompt...

Page 31: ...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 selected noPtS Input signal levels InP 1 32 for up to 32 points along with the desired corresponding meter reading dSP 1 32 should be entered for each lineari zation point See Figu...

Page 32: ...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 33: ...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 34: ...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 35: ...ons Operation Button Symbol Description Press to enter or exit Programming Mode or exit Max Min readings Press to reset Max Min readings Press to display Max Min readings alternately Press to display Max or Min reading indefinitely while displaying Max or Min MENU RESET DISPLAY ENTER ...

Page 36: ...s 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 s...

Page 37: ... new setting for the particular application Model ______________ S N _______________ Date _________ Parameter Display Default Setting User Setting Programming prog 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 Dd ddd 3 places Tag Tag Off Password PASSWRD 00000 unlocked Advanced Features Indicate INDICAT Off Function FUNCTN Linear Cut...

Page 38: ...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 39: ...PD6800 Loop Powered Process Meter Instruction Manual 39 MOUNTING DIMENSIONS All units inches mm Figure 7 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 40: ...PD6800 Loop Powered Process Meter Instruction Manual 40 Figure 8 Enclosure Dimensions Side Cross Section View 3 35 85 0 4 15 105 5 3 22 81 9 4 86 123 5 ...

Page 41: ...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 42: ...PD6800 Loop Powered Process Meter Instruction Manual 42 ...

Page 43: ...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 44: ... How to Contact Precision Digital For Technical Support Call 800 610 5239 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 ...

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