PD6870 Instruction Manual
Contents
1. Figure 1 PD6870 Connectors 11 PD6870 Loop Powered Process Meter Instruction Manual Connections amp Wiring Diagrams Signal connections are made to a three terminal connector mounted on the rear of the display module The enclosure also provides one internal and one external earth grounding screw The 4 20 mA input with no backlight has a maximum voltage drop of 1 V and is wired as shown in Figure 2 The loop powered backlight configuration requires a total maximum voltage drop of 4 V The backlight option is recommended for dim lighting conditions and is enabled when wired as shown in Figure 3 4 20 mA Transmitter T_T n a Gr CI I C9 4 20 mA Transmitter Figure 3 PD6870 Input Connections with Loop Powered Backlight 12 PD6870 Loop Powered Process Meter Instruction Manual SETUP Overview Setup is done using four rotary control dials located on the front of the display module that are accessed when the meter cover is removed Setup is performed using a 4 20 mA signal source and scaling the 4 and 20 mA readings using the control dials Scaling Controls and Display Hl g T FINE FINE PRECISION DIGITAL Control Description LO 4 mA display adjust LO FINE 4 mA precision display adjust HI 20 mA display adjust HI FINE 20 mA precision display adjust PD6870 Loop Powered Process Meter Instruction Manual Setting Up the Meter Calibrating2. affecting the latest technical knowledge for the products listed above Community Directives 94 9 EC ATEX Directive 2004 108 EC EMC Directive Name Jeffrey Peters Company Precision Digital Corporation Title President Date 08 01 2014 PD6870 Loop Powered Process Meter Instruction Manual How to Contact Precision Digital e For Technical Support Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com e For Sales Support Call 800 343 1001 or 508 655 7300 Fax 508 655 8990 Email sales predig com e For the latest version of this manual please visit www predig com PRECISION DIGITAL LIM6870_G 03 15
3. 2 27 kg WARRANTY 3 years parts and labor PD6870 Loop Powered Process Meter Instruction Manual Input ACCURACY 0 1 of full span 1 count TEMPERATURE 150 PPM C from 40 to 75 C ambient DRIFT DECIMAL POINT User selectable decimal point CALIBRATION 4 mA input 1000 to 1000 20 mA between 20 and 2000 RANGE counts greater than 4 mA display Two point linear display span MAXIMUM Without Backlight With Loop Powered VOLTAGE DROP Backlight 1 VDC 20 mA 4 VDC 20 mA EQUIVALENT 50 Q 20 mA 200 Q 20 mA RESISTANCE INPUT Over current protection to 2 A max OVERLOAD PD6870 Loop Powered Process Meter Instruction Manual Product Ratings and Approvals FM Class Division 1 Groups B C D Class Il Division 1 Groups E F G Class Ill Division 1 T6 Class I Zone 1 AEx d IIC T6 Gb Zone 21 AEx tb IIIC T85 C Ta 40 C to 75 C Enclosure Type 4X amp IP66 Certificate number 3040391 ATEX amp 12GD Ex d IIC T6 Gb Ex tb IIIC T85 C Db IP68 Ta 40 C to 75 C ATEX Certificate Sira 1OATEX1116X CSA Class Division 1 Groups B C D Class Il Division 1 Groups E F G Class III Division 1 T6 Class I Zone 1 Ex d IIC T6 Ta 40 C to 75 C Enclosure Type 4X amp IP66 Certificate number 11 2325749 IECEx IECEx SIR 10 0056X Ex d IIC T6 Gb Ex tb IIIC T85 C Db IP68 Ta 40 C to 75 C Special Conditions for Safe Use Use suitably certified and dimensioned cable entry
4. 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 Plug The PD6870 is supplied with one pre installed optional conduit plug for installations that do not require the use of both conduit entries The conduit plug includes an internal hexagonal socket recess for removal The pre installed plug and installation is included in all hazardous area approvals of the PD6870 j Installations of the supplied conduit plug require the application of non setting solvent free thread sealant If the pre installed conduit plug is removed or replaced all relevant hazardous area guidelines WARNING must be followed for its installation or replacement conduit Mounting The PD6870 has two slotted mounting flanges that may be used for pipe mounting or wall mounting Alternatively the unit may be supported by the conduit using the conduit holes provided Refer to Mounting Dimensions page 17 for details AN Do not attempt to loosen or remove flange bolts while the meter is in service WARNING Cover Jam Screw The cover jam screw should be properly installed once the meter has been wired and tested in a safe environment The cover jam screw is intended to prevent the removal of the meter cover in a flameproof environment without the use of to
5. 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 explosive atmosphere then appropriate protection of the free end of the cable shall be provided Year of Construction This information is contained within the serial number with the first four digits representing the year and month in the YYMM format For European Community The PD6870 must be installed in accordance with the ATEX directive 94 9 EC and the product certificate Sira 10ATEX1116X PD6870 Loop Powered Process Meter Instruction Manual Electromagnetic Compatibility EMISSIONS EN 61326 2006 Safety requirements for measurement control and laboratory use Industrial Group 1 Class A ISM emissions requirements Radiated Class A Emissions IMMUNITY EN 61326 2006 Safety requirements for measurement control and laboratory use ESD 4 kV contact 8 KV air RFI Amplitude 80 1000 MHz 10 V m Modulated 1 4 2 0 GHz 3 V m 2 0 2 7 GHz 1 V m 80 AM 1 kHz EFT 2 kV DC mains 1 kV other Telco Surge 1 kV CRFI 3 V 0 15 80 MHz 1 kHz 80 AM SAFETY INFORMATION AS 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 t
6. the Meter The meter is provided factory calibrated to display 50 0 at 4 mA and 150 0 at 20 mA HI and LO coarse and fine controls are labeled on the front of the display Use the HI and LO controls for large range changes during calibration and the HI FINE and LO FINE controls for precision changes Apply a 4 mA signal and adjust the LO controls to display the desired reading Apply a signal between 16 and 20 mA and adjust the HI controls to display the desired reading Complete the calibration procedure by making minor adjustments to the LO and HI controls as necessary Minimum amp Maximum Input Span A minimum input span of 20 counts is required between a 4 mA and 20 mA input A maximum input span of 2000 counts may be setup between a 4 mA and 20 mA input The meter will not properly calibrate or display if these minimum and maximum span ranges are not maintained during scaling Setting the Decimal Point Decimal point may be set using a three position jumper on the rear of the display module To access the connectors unscrew the two captive screws that fasten the display module Remove the display module and place the jumper on the desired pins as indicated on the board for decimal point locations of D DDD DD DD DDD D or remove it if no decimal point is desired PD6870 Loop Powered Process Meter Instruction Manual Factory Defaults amp User Settings The following table shows the factory setting for most of the programmable p
7. ING DIMENSIONS All units inches mm 3 35 85 1 2 25 57 1 0 32 8 2 5 65 143 5 5 25 133 4 Figure 4 Enclosure Dimensions Front View PD6870 Loop Powered Process Meter Instruction Manual 3 35 85 0 4 86 123 5 3 22 81 9 Figure 5 Enclosure Dimensions Side Cross Section View Note The supplied conduit plug may extend up to 0 6 in 15 mm from the conduit opening when installed PD6870 Loop Powered Process Meter Instruction Manual PRECISION DIGITAL EC DECLARATION OF CONFORMITY Issued in accordance with ATEX Directive 94 9 EC Manufacturer Precision Digital Corporation 89 October Hill Rd Ste 5 Holliston MA 01746 USA Device PD6870 Series Process Meter Notified Body Sira Certification Service notified body no 0518 Rake Lane Eccleston Chester CH4 9JN England EC Type Examination Certificate Sira 10ATEX1116X Quality Assurance Notification No SIRA 10 ATEX M462 Compliance with Standards Product Markings EN 60079 0 2009 amp I2GD EN 60079 1 2007 Ex d IIC T6 Gb EN 60079 31 2008 Ex tb IIIC T85 C Db IP68 EN 61326 2006 Tamb 40 C to 75 C IEC 61010 1 2010 amp EN 61010 1 2010 including Group and National Differences as they apply for AU CA US and KR The standard EN 60079 0 2009 is no longer harmonized The require ments of this standard have been checked against the harmonized standard EN 60079 0 2012 and there were no major technical changes
8. PD6870 EXPLOSION PROOF LOOP POWERED PROCESS METER ProtEx FarVu APPROVED 4 20 mA input C 1 V drop 4 V with Backlight 3 Digits LCD 1 High Loop Powered Backlight Option HART Protocol Transparent Explosion Proof IP68 NEMA 4X Enclosure Flanges for Wall or Pipe Mounting Easy Calibration and Installation Operates from 40 to 75 C PRECISION DIGITAL CORPORATION DDERTMICIMRI 89 October Hill Road Holliston MA 01746 USA Sr eee Tel 800 343 1001 Fax 508 655 8990 www predig com PD6870 Loop Powered Process Meter Instruction Manual 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 N A CAUTION Read complete WARNING Risk of instructions prior to installation electric shock or and operation of the meter personal injury WARNINGS e 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 e Failure to follow installation guidelines could result in death or serious injury Make sure only
9. Ug 02nsscceennncceennnncennnnncnnnnn 10 Mounting 222 o annem nnn nnn nnn neem nnn nnn 10 PD6870 Connections 22nsneennnnnnnnnnennnnnennnnnnennnanacnnnan 11 Connections amp Wiring DiaQraMs eeeeeeeeeeeeneeeeteeeeeeeeeeeeeeteeereeeeeas 12 SETUP 0 nnn nnn nnn anne nnn en enn en enn nnenennen 13 Scaling Controls and Display 13 Setting Up the Meter 00 0 14 Calibrating the Meter cccescesesesseeceseeseeeeseeceaeeceaeeeseessaeeeseeseaeenseeeeas 14 Setting the Decimal POint ce eeeeeseeseeeeeeeeeeeeneeeeeeeeeeeseaeeteeeeeeeneneeeas 14 Factory Defaults amp User Settings 2 02nssscennnnccennnnen 15 TROUBLESHOOTING 0 0 2 0 0 16 Troubleshooting TipS 00 20nscensssennennscsensennsanenscnnsneensens 16 MOUNTING DIMENSIONS 17 EC DECLARATION OF CONFORMITY 19 Table of Figures Figure 1 PD6870 Connectors sccccseeeeeeeeneeeeeeeenseeeeeeeeseeeenseeeaseeenseneas 11 Figure 2 PD6870 Input Connections without Backlight 08 12 Figure 3 PD6870 Input Connections with Loop Powered Backligh
10. arameters on the meter Next to the factory setting the user may record the new setting for the particular application Model S N Date Parameter Default User Setting Setting Decimal point 1 place Calibration Settings Input 1 4 00 mA Display 1 50 0 Input 2 20 00 mA Display 2 150 0 PD6870 Loop Powered Process Meter Instruction Manual TROUBLESHOOTING The rugged design and the user friendly interface of the meter should make it unusual for the installer or operator to refer to this section of the manual If the meter is not working as expected refer to the recommendations below Troubleshooting Tips Symptom Check Action No display Check input signal connections Rate display unsteady during calibration Adjust LO FINE or HI FINE controls to fine tune the display Meter displays on the left most digit location Check signal level is not over range Dial down the HI control and re calibrate at 20 mA Display is faded Check input signal is not under 1 mA 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 Verify backlight is installed Check signal connections are as shown in Figure 3 on page 12 Other symptoms not described above Call Technical Support for assistance PD6870 Loop Powered Process Meter Instruction Manual MOUNT
11. he factory Disconnect from supply before opening enclosure Keep cover tight while circuits are alive Conduit seals must be installed within 18 450mm of the enclosure Verify that the operating atmosphere of the meter is consistent with the appropriate hazardous locations certifications If the meter is installed in a high voltage environment and a fault or installation error occurs high voltage may be present on any lead PD6870 Loop Powered Process Meter Instruction Manual INSTALLATION For Installation in USA The PD6870 must be installed in accordance with the National Electrical Code NEC NFPA 70 For Installation in Canada Install in accordance with applicable local and national regulations e g NEC The PD6870 must be installed in accordance with the Canadian Electrical Code CSA 22 1 All input circuits must be derived from a CSA approved Class 2 source For European Community The PD6870 must be installed in accordance with the ATEX directive 94 9 EC and the product certificate Sira 10ATEX116X All controls and wiring connectors are accessed by opening the enclosure To access electrical connectors remove the 2 captive screws and remove the display module from the enclosure Disconnect from supply before opening enclosure Keep cover tight while circuits are alive Conduit seals must be installed within WARNING 18 450mm of the enclosure PD6870 Loop Powered Process Meter Instruction Manual
12. ols Using a M2 hex wrench turn the 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 PD6870 Loop Powered Process Meter Instruction Manual Connections A 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 environment and a fault or installation error occurs high voltage may be present on any lead or terminal To access the connectors remove the enclosure cover and unscrew the two captive screws that fasten the display module Remove the display module Signal connections are made to a three terminal connector on the rear of the display module Grounding connections are made to the two ground screws provided on the base one internal and one external 4 20 mA signal input positive terminal connection 4 20 mA signal return negative terminal connection 4 20 mA signal return negative terminal when using the installed loop powered backlight option Refer to Figure 1 for terminal positions 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 WARNING the meter and ensure personnel safety
13. ondition and is powered from the 4 20 mA loop with no additional power supply required The enclosure is provided with two threaded conduit holes and integrated pipe or wall mounting slotted flanges ORDERING INFORMATION Model Description PD6870 0LO Explosion Proof Loop Powered Process Meter PD6870 0KO Explosion Proof Loop Powered Process Meter with Backlight Accessories Model Description PDA0001 3 4 M NPT to F M20 Reducer PDA0002 3 4 M NPT to 1 2 F NPT Reducer PD6870 Loop Powered Process Meter Instruction Manual Table of Contents INTRODUCTION 0 2 n one nnnnnnennenennns 3 ORDERING INFORMATION 3 SPECIFICATIONS 2 nenennnnennnn 5 General 2 n 2 ennnn nn eennn nn neenn nnn ennnnnceennnneennnnennnnnaenenanaeeenannenen 5 INPUt 222 20 ene none annnm 6 Product Ratings and Approvals 7 Electromagnetic Compatibility 2 002nssceennnnccennnnen 8 SAFETY INFORMATION 2 2 0 22 8 INSTALLATION 0 2 nennnnnnennenennne 9 Unpacking 222 22 eens enn enn en nena enn eenn enn ennennnensennennnensennennaennennens 10 Pre Installed Conduit Pl
14. 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 explsion proof requirements 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 All trademarks mentioned in this document are the property of their respective owners 2011 2015 Precision Digital Corporation All rights reserved www predig com PD6870 Loop Powered Process Meter Instruction Manual INTRODUCTION The ProtEX FarVu PD6870 is a rugged loop powered meter with 1 display digits in an explosion proof enclosure for demanding applications in hazardous areas or in the harshest environmental conditions The meter derives all of its power from the 4 20 mA loop with a small 1 volt drop for easy installation in almost any system It is programmed using four easy to access front mounted control dials with no complex or difficult to read programming menus necessary for setup The numeric display will read from 1999 to 1999 over a 2000 count user adjustable scaling span The backlight option lets you see the display under any lighting c
15. t 12 Figure 4 Enclosure Dimensions Front View sccsssseeseseeenneeeeees 17 Figure 5 Enclosure Dimensions Side Cross Section View 18 PD6870 Loop Powered Process Meter Instruction Manual SPECIFICATIONS Except where noted all specifications apply to operation at 25 C General DISPLAY 3 digit LCD 1 25 4 mm 1999 to 1999 DISPLAY 2 5 Updates Second UPDATE RATE OVERRANGE Display reads on the left most digit PROGRAMMING Four front mounted rotary control dials accessed when the METHOD cover is removed RECALIBRATION Recalibration is recommended at least every 12 months NORMAL MODE 60 dB rejection ratio REJECTION ENVIRONMENTAL Operating temperature range 40 to 75 C Storage temperature range 40 to 75 C Relative humidity 0 to 90 non condensing CONNECTIONS Screw terminals accept 12 to 22 AWG wire ENCLOSURE Explosion proof die cast aluminum with glass window 0 30 max copper content corrosion resistant epoxy coating color blue NEMA 4X IP68 Two NPT threaded conduit openings One 34 NPT nickel plated brass conduit plug with 10 mm hex key fitting installed MOUNTING May be mounted directly to conduit Two slotted flanges for wall mounting or NPS 11 2 to 21 2 or DN 40 to 65 mm pipe mounting See Mounting Dimensions on page 17 OVERALL 5 65 x 5 25 x 4 86 DIMENSIONS 144 mm x 133 mm x 124 mm W x H x D WEIGHT 5 00 Ibs 80 oz
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