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PD6800 Loop-Powered Process Meter Instruction Manual

14

4-20 mA

Transmitter

Power

Supply

SAFE-TOUCH

BUTTONS

BACKLIGHT

POWER

UNLOCK

LOCK

LOOP

9-36 VDC

+ - + -

SIGNAL

BACKLIGHT

Slide Switch to

LOOP

Figure 3. Connections with Loop-Powered Backlight

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

Figure 4. Connections with Externally-Powered Backlight

It is possible to use the same transmitter (signal loop) power supply for the externally
powered backlight. The backlight circuit will draw 25 mA in addition to the loop circuit.

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Summary of Contents for PD6800

Page 1: ...n 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 Roo...

Page 2: ...sion 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 qualifie...

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...

Page 4: ...in Menu 19 Setting 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 Calibrat...

Page 5: ...Settings 37 TROUBLESHOOTING 38 Troubleshooting Tips 38 MOUNTING DIMENSIONS 39 QUICK USER INTERFACE REFERENCE 41 EC DECLARATION OF CONFORMITY 42 Table of Figures Figure 1 Connector Board 12 Figure 2 Co...

Page 6: ...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 settin...

Page 7: ...999 0 disables cutoff function TEMPERATURE DRIFT 50 PPM 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 wi...

Page 8: ...749 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...

Page 9: ...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...

Page 10: ...ctors 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 d...

Page 11: ...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 Sta...

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...

Page 13: ...y 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 tot...

Page 14: ...with Loop Powered Backlight 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 Figure 4 Connections w...

Page 15: ...ted for milliamps prior to shipment The calibration equipment is certified to NIST standards Overview Setup and programming is done through the infrared through glass SafeTouch buttons or using the me...

Page 16: ...nds 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 dis...

Page 17: ...ter Press the Menu button 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 s...

Page 18: ...ibrate 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 Prog...

Page 19: ...ton 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...

Page 20: ...crement 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 b...

Page 21: ...EC PT DDD DD DEC PT Or Setting the Decimal Point Dec Pt Decimal point may be set with up to four decimal places or with no decimal point Pressing the Right arrow moves the decimal point one place to t...

Page 22: ...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 f...

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...

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 correspond...

Page 25: ...nu 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 Displ...

Page 26: ...ic values see Setting Numeric Values page 20 00000 passWRD Program Password passWRD LOCKED Run Mode Record the password for future reference If appropriate it may be recorded in the space provided Mod...

Page 27: ...essage LOCKED for about two seconds and then it returns to Run Mode To try again press Enter while the Locked message is displayed Did you forget the password The password may be disabled by entering...

Page 28: ...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 Me...

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...

Page 30: ...off INDICAT set ALARM Enter Set Point 16 000 SET reset ALARM Enter Reset Point 16 000 RESET Accept Setting Accept Setting Alarm alrnm High alarm trip point program set point above reset point Low ala...

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...

Page 32: ...enu Square Root Linearization Squar The square root function can be used to linearize the signal from a differential pressure transmitter and display flow rate in engineering units Programmable Expone...

Page 33: ...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...

Page 34: ...rnal 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...

Page 35: ...ns Operation Button Symbol Description MENU Press to enter or exit Programming Mode or exit Max Min readings RESET Press to reset Max Min readings Press to display Max Min readings alternately Press t...

Page 36: ...un Mode 2457 7 MINIMUM Press Up to Display and to Toggle Between Max Min 10 Sec Time Out Press Enter to hold Max Min Press Right to Reset Max Min Press Menu to Exit Max Min Reset Meter to Factory Defa...

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...

Page 38: ...NIMUM 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 al...

Page 39: ...PD6800 Loop Powered Process Meter Instruction Manual 39 MOUNTING 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 7 Enclosure Dimensions Front View...

Page 40: ...PD6800 Loop Powered Process Meter Instruction Manual 40 3 35 85 0 4 15 105 5 3 22 81 9 4 86 123 5 Figure 8 Enclosure Dimensions Side Cross Section View...

Page 41: ...nt 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 ente...

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

Page 43: ...ndards Product Markings EN 60079 0 2009 II 2 G D 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 EN 61010 1 2010 including Gro...

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...

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