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PRECISION DIGITAL PD655, Инструкция по эксплуатации

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Model PD655 Large Display Process Meter

 

Instruction Manual

 

31 

Press

ENTER

Press 

ENTER 

when

CALIb

 appears;

LInear Square

 Pro9 r

 scroll

Select

 

LInear

 

29999 

appears;

select dec point

then 

no. PtS

Inpt1

  flashes;

Apply input 1 signal

(e.g. 4 mA)

Inpt 2

  flashes;

Apply input 2 signal

(e.g. 20 mA)

Press 

ENTER

Is

flashing display

 OK?

Wait for digit

to flash

Is

flashing

digit OK?

Press 

ENTER

Is

entire display

flashing?

Press 

ENTER

when OK

Wait for digit

to scroll

Press 

ENTER

Has Input 2

been calibrated

yet?

Calibration

Complete!

NO

YES

YES

NO

YES

NO

YES

NO

 

Figure 16. 

Two-Point Calibration Flowchart  

 

Содержание PD655

Страница 1: ...nute Hour or Day Scale Without a Calibrator 11 Point Calibration for Non Linear Inputs Automatic Square Root and Programmable Exponent Low Flow Cutoff NEMA 4X Impact Resistant Glass Filled Polycarbona...

Страница 2: ...Model PD655 Large Display Process Meter Instruction Manual 2 Visit our Website http www predig com...

Страница 3: ...g Instructions 22 Terminals Designation 22 Power Connections 23 Signal Connections 24 Enter Acknowledgement and Reset Total Connections 26 Optional Relays 4 20 mA Output Terminals 26 Isolated 4 20 mA...

Страница 4: ...Set and Reset Points for Process Rate Alarms 54 Preset Values for Total Set Points 54 Preset Offset Values for Total Set Points OFFSET 54 Programming Alarm and Preset Values SEtPtS 55 4 20 mA Isolated...

Страница 5: ...delay 80 Priority Batch Programming or Quick Presets 80 Batch Control with Varying Batch Sizes 80 Pump Alternation Control 81 Pump Alternation Typical Application 81 Switching Inductive Loads 82 AC a...

Страница 6: ...y 27 Figure 15 Jumper Arrays and Status LED Identification 29 Figure 16 Two Point Calibration Flowchart 31 Figure 17 JP1 Input Signal Selection Array 32 Figure 18 Display Showing Location of Set Point...

Страница 7: ...well as an isolated 4 20 mA transmitter output Key Features This model contains several features of interest Two 24 VDC Isolated Transmitter Power Supplies 115 or 230 VAC Field Selectable Power Rate...

Страница 8: ...oring Gas Turbine Combustor Alarm Condenser Temperature Indicator Ordering Information 115 230 VAC Model1 24 VDC Model Options Installed PD655 N PD655 2 N No Options PD655 44 PD655 2 44 2 Relays PD655...

Страница 9: ...use this meter in a fail safe system that accommodates the possibility of meter failure or power failure WARNING Hazardous voltages exist within enclosure Only trained service personnel should perform...

Страница 10: ...Range Minimum Difference Between Input 1 Input 2 0 5 V 0 16 V 0 10 V 0 32 V 4 20 mA 1 60 mA INPUT IMPEDANCE Voltage ranges greater than 300 K Current ranges 100 LOOP POWER SUPPLY Two isolated power s...

Страница 11: ...NECTIONS Removable screw terminal blocks accept 22 to 12 AWG wire MOUNTING The enclosure contains four holes for wall mounting Panel mounting kit is available OVERALL DIMENSIONS 6 7 x 5 5 x 3 7 170 mm...

Страница 12: ...reset This delay can be programmed anywhere from 1 to 999 seconds PRIORITY BATCH PROGRAMMING This feature allows the user to quickly change preset values without going into the main menu by holding t...

Страница 13: ...o if set up for external total reset 2 After delay has elapsed if set up for internal total reset 3 Manual any time if set up for external total reset via user supplied external contact closure at ter...

Страница 14: ...mA 0 20 mA 501 If the span between 4 and 20 mA is less than 501 counts an error message will appear EQUIPMENT NEEDED The 4 20 mA output from the meter is calibrated without the use of a calibrator OUT...

Страница 15: ...nged under this function DspLAy Display Sets menu title scroll selections are activated with lockout jumper installed Dspy 1 Display 1 Sets display 1 calibration Dspy 2 Display 2 Sets display 2 calibr...

Страница 16: ...o SCALE Scale Scales meter using internal calibration for desired display Signal source not required SeC Second Sets time base to display rate in units per second SEt 1 Set point 1 Sets operation for...

Страница 17: ...ry default is 115 VAC b Labeling meter for input power 115 VAC 230 VAC or 24 VDC 3 Connections Page 21 a Power b Input signal c Enter acknowledgement and reset total d Relays e 4 20 mA output 4 Progra...

Страница 18: ...with four mounting screws 4 Change voltage selection as required this is described on page 20 Set configuration jumpers connect power and signal wires 5 Reassemble Display Board prior to applying powe...

Страница 19: ...gram Input signal and Lockout JP1 Main Board Figure 3 Relay ACK enable JP5 Display Board Figure 15 Fail safe J5 Options Board Figure 4 Input Selection and Lockout Jumpers Jumper JP1 Position Function...

Страница 20: ...C voltage to DC powered meters Applying an AC voltage to DC powered meters will result in damage to the meter and endanger personnel Changing from 115 to 230 VAC Power To access the 115 230 VAC switch...

Страница 21: ...ions Relays Connections 4 20 mA Output Connections Figure 3 Connections and Jumper Diagram Connector Location Function Wire Size J1 Main Board Signal connections 12 22 J2 Main Board Power connections...

Страница 22: ...22 wire 150 volt 60 C If using AWG 20 or smaller wire up to two wires may be connected to each terminal If using AWG 18 or larger wire only one wire may be connected to each terminal 4 Install condui...

Страница 23: ...damage to the instrument as well as endanger personnel Connecting AC power when meter is set up for DC power will result in damage to the instrument as well as endanger personnel Connect power to ter...

Страница 24: ...tions are made to a 10 position connector J1 on the Main Board This connector also includes connections for Enter Acknowledgement Reset Total and Common Refer to Figure 3 for location of J1 Figure 6 T...

Страница 25: ...Instruction Manual 25 3 Wire Transducer Figure 8 Three Wire Transducer Powered by Meter Figure 9 Direct Voltage Signal Connections 3 Wire Transmitter Unregulated 18 V nominal 200mA maximum Figure 10...

Страница 26: ...ld reading switch ACK switch ENTER switch Figure 11 External Control Connections Optional Relays 4 20 mA Output Terminals Depending on the model number the Options Board may contain 2 or 4 relays and...

Страница 27: ...he input loop and the isolated 4 20 mA output loop The following diagrams illustrate the 4 20 mA output signal being powered from the meter s internal power supply AC powered units only and by an exte...

Страница 28: ...at have to be performed As each step progresses either a single digit or the entire display will flash The flashing digit or flashing display will be looking for acknowledgement if it is the desired d...

Страница 29: ...the Display Board It is labeled SW2 in Figure 15 above The ENTER button can also be accessed by wiring a normally open pushbutton switch across terminals EN and CM on connector J1 located on the Main...

Страница 30: ...ctions in the order shown Display Type of Function Dspy r or Dspy t Displays process rate or display total Rset t Resets total to zero Dspy p Displays and hold peak reading CALIb or SCale Calibrates m...

Страница 31: ...Inpt1 flashes Apply input 1 signal e g 4 mA Inpt 2 flashes Apply input 2 signal e g 20 mA Press ENTER Is flashing display OK Wait for digit to flash Is flashing digit OK Press ENTER Is entire display...

Страница 32: ...the common process signals such as 4 20 mA 1 5 V 0 5 V and 0 10 V using jumper array JP1 located on the Main Board to the right of the transformer Figure 17 JP1 Input Signal Selection Array The meter...

Страница 33: ...eter with internal source press ENTER when I CAL appears Initial Calibration With External Source if Needed For best results allow the meter to warm up for at least 30 minutes Initial calibration is r...

Страница 34: ...le root function is used for open channel flow measurement using weirs and flumes LInEAr then SquArE then Pro9 r Select linear input To select linear press ENTER when LInear is displayed The meter wil...

Страница 35: ...display 1 Dspy 1 as described above when the input for the first calibration point was programmed 00 000 final display 1 02 500 To quit main menu calibration or scaling press ACK while displaying mai...

Страница 36: ...mmed 10 000 final display 2 05 000 Set the display for the remaining calibration points If other calibration points were selected they will be displayed and can be set according to the procedure for t...

Страница 37: ...ted flow rate is equal to zero 04 000 Set the display for the first calibration point Display 1 Dspy 1 flashes indicating that the meter is ready to be programmed for the display for the first calibra...

Страница 38: ...and flumes LInEAr then SquArE then Pro9 r Select linear input To select linear press ENTER when LInear is displayed The meter will now advance to setting the decimal point for process rate LInEar Set...

Страница 39: ...o Minimum Input Span Error Message page 35 Apply signal for the second calibration point Input 2 INPT 2 flashes indicating that the meter is ready to accept a signal for the second calibration point A...

Страница 40: ...y Volume 1 4 00 0 00 2 4 80 1 90 3 6 40 9 50 4 8 40 22 40 5 15 60 77 70 6 17 60 90 50 7 19 20 98 10 8 20 00 100 00 Calibration Error error A meter display of Error during calibration indicates that th...

Страница 41: ...ate and programming the low flow cutoff if required Set Display to Rate dSPy r The user may select either process rate or total to be set as the default displayed reading When displaying process rate...

Страница 42: ...e meter accumulates based on the rate display This means that when the rate display is zero even as a result of the low flow cutoff the totalizer will not accumulate To set the low flow cutoff point P...

Страница 43: ...int 5 Set Alternating Display if Needed Set Display for Total dSPy t The user may select either process rate or total to be set as the default displayed reading When displaying process rate the green...

Страница 44: ...is a number that is multiplied by the rate to compute the total For example if the rate display is gallons per hour and total is desired in barrels 1 gallon 0 02381 barrels a total conversion factor...

Страница 45: ...splay will flash for three seconds For instructions see Five Basic Digit Display Setting Instructions page 30 0 01000 then 0 02000 then 0 02380 final 0 02381 Set Totalizer Decimal Point tot dp The tot...

Страница 46: ...Y t Yes or no Y or n will flash alternately Press ENTER when n appears Y or n Note Selections made through the display menu dSPLAY can be made with or without the lockout jumper installed but only bec...

Страница 47: ...cts are connected to the Common contacts of the relays The fail safe operation can be disabled by removing jumper J5 located on the Options Board 3 Setting set point functions using SETuP menu a Selec...

Страница 48: ...JP5 Jumper Position SETuP Menu Automatic only after passing reset point Off Non latching Automatic manual at any time On Non latching Manual only at any time On Latching Manual only after passing res...

Страница 49: ...ill automatically reset after the delay on release elapses allowing a new batch to begin If external total reset is selected relays must be reset manually Total relays also reset when total is reset t...

Страница 50: ...If ENTER is pressed while set point 1 SEt 1 is shown the display will then show rate or total r or t flashing alternately Select the desired one by pressing ENTER when it is flashing SEt 1 then R or t...

Страница 51: ...elect the desired one by pressing ENTER when it is flashing SEt 2 then r or t Select process rate After selecting r for process rate the display will show latch LatCH Press ENTER to program this funct...

Страница 52: ...lashing After making the selection setup of set point 2 is complete and the next set point will be displayed Press ENTER to set up that set point if not wait until desired set point is displayed or wa...

Страница 53: ...rY status LEDs 1 4 flash in pairs To program relay pair to alternate press ENTER when desired pair is flashing To program relays for independent operation not to alternate press ENTER when all status...

Страница 54: ...value than the reset point Example To program an alarm for a high alarm at 500 with 100 counts of deadband program set and reset points as follows Set point 500 Reset point 400 Preset Values for Tota...

Страница 55: ...value or preset offset value needs to be programmed The 4 discrete LEDs to the left of the display indicate which set point is being programmed Figure 18 Display Showing Location of Set Point LEDs For...

Страница 56: ...1 SEt 1 will be displayed Press ENTER to program set point 1 or wait and the display will move to the next set point When set point 4 set 4 is shown the meter will exit the set points SetptS menu and...

Страница 57: ...ED being illuminated The reset point is programmed in the same fashion as the set point above Meter displaying alarm 1 reset point Press ENTER then press ENTER again when the set points SetPtS functio...

Страница 58: ...mber of counts before the second relay This is called the preset offset value and it is programmed as the first preset in a pair of set points setup for offset The second value in a pair of set points...

Страница 59: ...ill flash for three seconds For instructions see Five Basic Digit Display Setting Instructions page 30 00000 final 00032 Set the display for value at which 20 mA is produced The green LED labeled 20 w...

Страница 60: ...TER is pressed with the lockout jumper in place SCale CalIb Cutoff Tbase Tot Cf and Tot dP do not appear during the menu scroll and thus can not be modified SetPtS menu title always appears Ability to...

Страница 61: ...e wants and disable the SEtPtS menu thus making it impossible for a user to change the batch presets by using the dSPLAy menu When the supervisor wants to change the batch presets he can reactivate th...

Страница 62: ...n for SEtPtS will still allow an operator to view set reset points and presets but not to make changes 6 Select n for both dSPy r and dSPy t to program display to toggle between rate and total every...

Страница 63: ...function in menu scroll press ENTER when y is displayed To exclude it press ENTER when n is displayed y or n Set menu scroll to include exclude reset total Reset total Rset t will appear for 3 seconds...

Страница 64: ...DC power supplies to drive both the input and output loops Options include up to 4 relays for alarms or batch control applications as well as an isolated 4 20 mA transmitter output Figure 23 Front Pan...

Страница 65: ...atus of the alarm condition For instance when a latching relay is acknowledged the corresponding status LED will extinguish Two Types of Display Process Rate and Total The meter also has the capabilit...

Страница 66: ...s are located behind the front panel and are accessible with the cover installed The functions of the ENTER and ACK buttons are brought out to screw terminals to provide remote access to these functio...

Страница 67: ...on the right side Reset Peak Reading Press ENTER then press ENTER again when the reset peak Rset P menu title appears Rset P Meter returns to displaying current value The meter is now displaying the c...

Страница 68: ...nge the display from reading total to rate Press ENTER to begin scrolling through the functions When display rate dspy r appears press ENTER The meter now displays rate and the green R LED on the righ...

Страница 69: ...ernal switch closure or when the meter reaches the highest preset value Display Total dSPy t The user may toggle between a display of process rate or total at any time When displaying process rate the...

Страница 70: ...Rate Time base Total conv factor Total after one second Total after one minute Total after one hour Total after one day 60 GPM Min 0 2 0 2 can 12 cans 720 cans 17280 cans In the above application 5 g...

Страница 71: ...the menu scroll See Display Selection dSPLAy page 61 for details Resetting Total via External Contact Closure The total may be reset at any time by closing a normally open push button switch that is...

Страница 72: ...band 3 Automatic Batch Control 4 Manual Batch Control Relays Auto Initialization When power is applied to the meter the front panel LEDs and alarm relays will reflect the state of the input to the met...

Страница 73: ...require visual only indication The front panel LEDs are controlled by the set and reset points programmed by the user When the display passes a set point for a particular alarm that alarm s LED will l...

Страница 74: ...goes Off Non Latching Relay Automatic manual reset at any time JP5 1 4 on Condition LED Relay Normal Off Off Alarm On On Normal Off Off In this application the meter is set up for automatic manual res...

Страница 75: ...Relay Normal Off Off Alarm On On Normal On On Ack Off Off In this application the meter is set up for manual reset only after the signal passes the reset point of the latching relay When the alarm is...

Страница 76: ...ration The meter can be used as a simple On Off controller as the following illustrates Using the meter for sump pump control and alarm control Relay 1 turns the main pump on at 6000 gallons and turns...

Страница 77: ...55 Large Display Process Meter Instruction Manual 77 Relay 3 trips the High Level Alarm at 7500 gallons and resets at 6900 gallons Relay 4 trips the Low Level Alarm at 495 gallons and it resets at 750...

Страница 78: ...dribbles in the remaining 5 gallons When total reaches 55 00 relay 2 trips and closes restricted flow valve 2 Display freezes on 55 00 and relays 1 and 2 will not reset until external switch is pushe...

Страница 79: ...lve The meter displays the barrel s content Full flow valve 1 is closed and restricted flow valve 2 dribbles in the remaining 5 gallons When the total reaches 55 00 gallons relay 2 trips and the restr...

Страница 80: ...o start a new batch Priority Batch Programming or Quick Presets For some batch control applications it may be necessary to change the presets frequently The meter has a quick preset change feature tha...

Страница 81: ...d for low and high alarm indication respectively Set and reset point programming Set point 1 30 00 Reset point 1 10 00 Controls pump 1 Set point 2 35 00 Reset point 2 5 00 Controls pump 2 Set point 3...

Страница 82: ...7 AC and DC Loads Protection Choose R and C as follows R 0 5 to 1 for each volt across the contacts C 0 5 to 1 F for each amp through closed contacts Notes 1 Use capacitors rated for 240 VAC 2 Snubber...

Страница 83: ...of the programming values is accomplished by installing the lockout jumper JP1 Excluding menu titles from the menu scroll is performed with the display menu Note Selections made through the display m...

Страница 84: ...l dimensions are as shown Figure 29 Overall Dimensions Notes 1 Overall dimensions 6 7 x 5 5 x 3 7 170 mm x 140 mm x 95 mm 2 The bottom of the box is tapered down on all sides by 0 05 1 27 mm 3 The ove...

Страница 85: ...e dimensions for the mounting holes are shown in the following figure Figure 30 Wall Mounting Dimensions Figure 31 Wall Mounting Screw Procedure 1 Drill holes into the wall to accommodate suitable fas...

Страница 86: ...ctions Instructions 1 Insert the meter through the mounting plate 2 Mount assembly on panel 3 Secure with 4 brackets and 4 screws at corners of the meter Use washers as needed to allow for panel thick...

Страница 87: ...nstalled at the factory To disable relays fail safe operation it is necessary to remove the Display Board to gain access to the Options Board Option cards may be ordered separately Refer to the follow...

Страница 88: ...connector 3 Remove Main Board from the base by removing four mounting screws 4 Install Options Board standoff using provided hex nuts 5 Connect flexible cable connector J2 to J3 connector on Main Boar...

Страница 89: ...eter Display Factory Setting User Setting Input range SEL 20 4 20 mA Calibration mode CALIb E Cal External calibration Type of signal LInEAr Linear input Process rate decimal point 299 99 Number of po...

Страница 90: ...y Factory Setting User Setting Total reset mode e rst External total reset Set point values Set 1 1000 Set 2 4000 Set 3 70 00 Reset 3 60 00 Set 4 90 00 Reset 4 80 00 4 20 mA output 4 mA 000 00 20 mA 1...

Страница 91: ...play 1 dspy 1 Input 2 InPt 2 Display 2 dspy 2 Input 3 InPt 3 Display 3 dspy 3 Input 4 InPt 4 Display 4 dspy 4 Input 5 InPt 5 Display 5 dspy 5 Input 6 InPt 6 Display 6 dspy 6 Input 7 InPt 7 Display 7 d...

Страница 92: ...tting Set point 1 SET 1 latCH Set point 2 SET 2 latCH OFFSEt Set point 3 SET 3 latCH OFFSEt Set point 4 SET 4 latCH OFFSEt Total reset mode I or E Delay on release delay Set point 1 Set 1 Reset point...

Страница 93: ...enu will be helpful to determine if a wrong setting is causing the operation of the meter to be undesirable Operation When the diagnostic menu is entered the function and programmed parameter settings...

Страница 94: ...3 Digit Loop Powered NEMA 4X Meter General Purpose PD686 3 Digit Loop Powered NEMA 4X Meter FM CSA PD687 3 Digit Loop Powered Exp Proof Meter FM CSA PD688 Loop Powered Meter FM CSA PD689 Loop Powered...

Страница 95: ...Model PD655 Large Display Process Meter Instruction Manual 95 NOTES...

Страница 96: ...or 508 655 7300 fax 508 655 8990 e mail support predig com For Sales Support or to place an order please call 800 343 1001 or 508 655 7300 fax 508 655 8990 e mail sales predig com For the latest versi...

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