PRECISION DIGITAL Loop Leader PD6622/4 Instruction Manual Download Page 1

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Loop Leader PD6622/4 Loop-Powered Rate/Totalizer

Instruction Manual

PRECISION DIGITAL CORPORATION

233 South Street

• Hopkinton MA 01748 USA

Tel (800) 343-1001

• Fax (508) 655-8990

www.predig.com

Loop-Powered Totalizer



Loop-Powered Rate/Totalizer



Loop-Powered Backlight with Red Backlight for Alarm Conditions



Display rate & total simultaneously

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Total display includes commas for more intuitive readings



1.5 Volt Drop (4.5 Volt Drop w/ Backlight)

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NEMA 4X, IP65 Front

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-40 to 167°F (-40 to 75°C) Operating Temperature Range

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Five Digit Top Line

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Alphanumeric tag names

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Total, Grand Total, or Non-Resettable Grand Total



Up to 13-digit total & grand total



Dual Line Display



1/8 DIN Shallow Depth Case



Optional Loop-Powered Solid State Relays



Optional 4-20 mA Analog Output

Summary of Contents for Loop Leader PD6622/4

Page 1: ...cklight for Alarm Conditions Display rate total simultaneously Total display includes commas for more intuitive readings 1 5 Volt Drop 4 5 Volt Drop w Backlight NEMA 4X IP65 Front 40 to 167 F 40 to 75...

Page 2: ...ult 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 re sulting from s...

Page 3: ...624 Only 19 Changing What is Displayed TOP and BOTTOM 20 Programming the Outputs OUTPUT 21 Open Collector Outputs OPEN COLLECTR 22 Solid State Relay Outputs RELAY 26 4 20 mA Output 4 20 mA 30 Output C...

Page 4: ...eds from the 4 20 mA loop The Loop Leader loop powered rate total izer is built in a shallow depth case with a NEMA 4X IP65 front and features loop powered backlighting and a wide 40 to 167 F 40 to 75...

Page 5: ...re root and programmable exponent 10 100 FS Function Linear square root or programmable expo nent Low Flow Cutoff 0 0 to 999 999 9 Temperature Drift 25 PPM C from 40 to 75 C ambient Decimal Point Up t...

Page 6: ...tive Load 1 10 HP 125 250 VAC DC Noise Suppression Metal oxide varistors across outputs Relay Assignment Alarm Timer Batch Control Sample or Disa ble Alarm Output Source Assign to Rate Total Grand Tot...

Page 7: ...r assis tance Panel Mounting Instructions Prepare a standard 1 8 DIN panel cutout 3 622 x 1 772 92 mm x 45 mm Refer to Figure 1 be low for more details Clearance allow at least 4 0 102 mm behind the p...

Page 8: ...60 C or 60 75 C insulation for all line voltage connections Observe all safety regulations Electrical wiring should be performed in accordance with all applicable national state and local codes to pr...

Page 9: ...urrent loop There are no switches or jumpers to set up for the input Setup and programming is performed through the front panel buttons Figure 5 4 20 mA Input Connection without Backlight Figure 6 4 2...

Page 10: ...UT The 4 20 mA output must be powered from an external power supply Figure 8 4 20 mA Output Connections Solid State Relay Connections Relay connections are made to two terminal connectors labeled SSR1...

Page 11: ...nstruction Manual 11 Open Collector Outputs Open collector output 1 and 2 connections are made to terminals labeled O1 and O1 and O2 and O2 Connect the alarm or pulse input device as shown below Figur...

Page 12: ...LCD Status Menu Alarm Indicator PD6622 Only Right Arrow F1 Password Protection Indicator PD6622 Only Up Arrow F2 G Grand Total Indicator PD6622 Only Enter F3 T Total Indicator PD6622 Only Press the Me...

Page 13: ...UT1 Open collector 1 setup OUTPUT2 Open collector 2 setup DISABLE Disable the open collector PULSE Program the open collector for pulse output ALARM Program the open collector for alarm output TIMER P...

Page 14: ...unction keys and digital in put F1 Assign F1 function key F2 Assign F2 function key F3 Assign F3 function key Parameter Action Setting Description DI Assign digital input DISP FN Set the function key...

Page 15: ...the decimal point location RATE Program the rate decimal point TOTAL Program the total decimal point GTOTAL Program the grand total decimal point Parameter Action Setting Description COMMA Enable or...

Page 16: ...Arrow to increment digit value The selected digit will flash Press and hold Up Arrow to auto increment the display value If you have made a mistake or would like to enter a new value select the left...

Page 17: ...ndards A calibrated signal source is not needed to scale the meter Enter the Input menu to scale the meter to display the 4 20 mA input The input is capable of accepting any signal from 4 to 20 mA SET...

Page 18: ...aracter is being edited to erase all characters to the right of the flashing character Press and hold Up or Right Arrow to auto increment or decrement a selected character All text values including ta...

Page 19: ...right until no decimal point is dis played and then it moves to the leftmost position Pressing the Up Arrow moves the decimal point one place to the left The decimal point location is set independent...

Page 20: ...and the rate units alternating Grand total with units or tag alternating Grand total units and rate units alternating Rate with units or tag alternating Rate and the total s units alternating Rate or...

Page 21: ...s two solid state relays and one 4 20 mA output The Output menu will only show options for the available out puts See Ordering Information on page 4 for details SETUP OUTPUT OPEN COLLECTR OUT RELAY OU...

Page 22: ...ue or the digital input The alarm status will show on the display even if the output is not wired A timer output turns the open collector on and off at a specified frequency to act as a timer A total...

Page 23: ...ond would be 200 The maximum frequency is 250 Hz Setting output 2 to quadrature will duplicate the other open collector output but lag by 90 degrees out of phase The other output should be programmed...

Page 24: ...m will turn on and the reset point is the display value at which the alarm will turn off If the set point is lower than the reset point the alarm will be a low alarm if the set point is higher than th...

Page 25: ...low pulse from 1 second to 99 hours 59 minutes and 59 seconds pulse width This is the period of time for which the output will remain on The timer output may be set to generate the timed pulse only o...

Page 26: ...nt A timer output turns the relay on and off at a specified frequency to act as a timer For use in batch control applications the meter relays may be set to batch This will enable the batch control fe...

Page 27: ...the alarm will turn on and the reset point is the display value at which the alarm will turn off If the set point is lower than the reset point the alarm will be a low alarm if the set point is higher...

Page 28: ...om selecting START to turning on the output and for how long the output is off in continuous mode Program the On Time TIME for the active low pulse from 1 second to 99 hours 59 minutes and 59 seconds...

Page 29: ...MANUAL or AUTO If setting batching to automatic a delay before the next batch is started must be programmed The PRESET amount is the value at which the batch will stop and can be programmed up to the...

Page 30: ...m two display values and corresponding mA output signals Rate or Total RATE or TOTAL To scale the analog output enter display value 1 and a corresponding analog output value for this display then ente...

Page 31: ...e Advanced Rate menu contains options to apply signal input conditioning functions to the input and scale calibrate the input signal The Advanced Total and Advanced Grand Total menus contain options t...

Page 32: ...expo nent Advanced Total and Grand Total Programming ADV TOTAL ADV GTOTAL The advanced total and grand total menu contain the count COUNT and reset RESET menus The count menu allows the digit limit t...

Page 33: ...er 2 Select the appropriate units for the desired process variable then press Enter For information on units see Available Unit Classes and Units on page 18 3 The meter displays INP 1 Apply a known si...

Page 34: ...ttings There are three password types available Main Total and Grand Total The Main password prevents access to the meter Programming Mode Total and Grand Total passwords prevent resetting of and chan...

Page 35: ...NCTRL Go to output control menu CONTROL TIMER FN Set the function key or digital input to start or stop a timer STRT ALL Start all timers STOP ALL Stop all timers S STP ALL Start or stop all timers OC...

Page 36: ...to start the setup process from the factory defaults To load factory defaults enter the DEFAULT menu under the SYSTEM menu and press enter twice in quick succession The meter will load the default set...

Page 37: ...t of the Advanced menu Internal Calibration is performed as follows 1 Press the Menu button to enter Programming Mode 2 Press the Right Arrow button twice and press Enter to access the Advanced menu 3...

Page 38: ...Key Hint Feature HINT on page 36 Digital Input Operation A digital input is standard on the meter This digital input is programmed identically to function keys F1 F2 and F3 The input is triggered with...

Page 39: ...cess the Advanced menu 3 Press the Up Arrow button and press Enter to access the System menu 4 Press the Right Arrow button and press Enter to access the Default menu 5 Press Enter twice in quick succ...

Page 40: ...LSAFE OFF Red LED RED ON Flash PV FLASH ON Alarm Message MSG ON Message Text MSG EDIT ALARM 3 Sample Count TOTAL COUNT 1 000 gallons Sample Time TOTAL TIME 10 seconds Parameter Display Default Setting...

Page 41: ...s values increase Display response is too slow Check filter and bypass values Display reading is not accurate Check 1 Signal input conditioner selected Linear square root etc 2 Scaling or calibration...

Page 42: ...6622_A SFT124 Ver 1 000 up 12 16 How to Contact Precision Digital For Technical Support please Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com For Sales Support or to place...

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PRECISION DIGITAL Loop Leader PD6622/4, Instruction Manual

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