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Air Monitor VELTRON DPT 2500-plus, Инструкция по установке, эксплуатации и обслуживанию

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VELTRON DPT 2500-

plus

Air Monitor Corporation

116-047-20.PMD (5/5/11)

VELTRON DPT 2500-

plus

 - IO&M Manual

11

5.6 – CONFIGURATION PROGRAMMING

With power ON and initialization complete (see Section 5.2), press and       display will indicate:

   USER SETUP

Pressing       will enter the user into the Main Menu of configuration programming.  The display will indicate:

       Transmitter Scaling

        and Configuration

 By using       and       , the user can scroll through the following selections:

SECTION 5 – OPERATION

MAIN MENU SELECTION

Transmitter Scaling &

Configuration

Low Pass Filter Selection

AUTO-zero Configuration

Transducer S

p

an Selection

Transmitter Input Calibration

Transmitter Output Calibration

Exit User Setup

DESCRIPTION

Allows for the configuration of process variable such as:  Square root ON/OFF,

process t

y

pe, process minimum/ maximum/unit

s

, and percent lockdown.

Selects amount of filtering applied to transducer output and to the display.

Turns AUTO-zero function ON or OFF, and select

s

 activation interval.

Allows for displaying the natural span of 

th

e installed transducer, and selecting

the operating s

pa

n.

Allows for the zeroing and sp

a

nning transmitter analog Input

s

.

Allows for the zeroing and spanning of transmitter analog Output

s

.

Returns display to 

Normal

 operation.

Содержание VELTRON DPT 2500-plus

Страница 1: ...Transmitter Version 1 0X Installation Operation Maintenance Air Monitor Corporation provides complete technical support between the hours of 7 a m and 5 p m PST M F Contact our Service Department Toll Free 1 800 AIRFLOW or fax us at 1 707 526 2825 Air Monitor Corporation 116 047 20 PMD 5 5 11 VELTRON DPT 2500 plus IO M Manual ...

Страница 2: ......

Страница 3: ...RNDOWN RATIO OPERATION 3 3 6 ENCLOSURE 3 3 7 MULTIPLE OPERATING POWER SELECTIONS 3 SECTION 4 INSTALLATION 4 1 RECEIVING AND INSPECTION 4 4 2 LOCATION 4 4 3 MOUNTING 5 4 4 PROCESS CONNECTIONS 6 4 5 POWER SIGNAL CONNECTIONS 7 4 6 OUTPUT SELECTION 7 4 7 DISPLAY CONTRAST ADJUSTMENT 7 SECTION 5 OPERATION 5 1 INTRODUCTION 8 5 2 START UP 8 5 3 NORMAL OPERATION 9 5 4 CONFIGURATION 9 5 5 PUSHBUTTON DEFINIT...

Страница 4: ...TTER INPUT CALIBRATION 23 25 6 4 TRANSMITTER OUTPUT CALIBRATION 26 27 SECTION 7 MAINTENANCE 28 SECTION 8 TROUBLESHOOTING 29 SECTION 9 PARTS LIST 30 SECTION 10 CUSTOMER SERVICE 31 TABLE OF CONTENTS VELTRON DPT 2500 plus Air Monitor Corporation 116 047 20 PMD 5 5 11 VELTRON DPT 2500 plus IO M Manual ...

Страница 5: ...original components Purchaser shall notify Seller in writing of such defect within sixty 60 days of discovery of the defect This warranty does not extend to any product sold by Seller which has been the subject of misuse neglect accident damage or malfunction caused by interconnection with equipment manufactured by others improper installation or storage or used in violation of instructions furnis...

Страница 6: ...nal NEMA 12 enclosure NEMA 1 is standard 1 2 THEORY OF OPERATION High and low pressure signals generated by airflow stations and probes or static pressure sensors act upon opposite sides of a flexible diaphragm within the transducer The differential between the two pressure signals displaces the diaphragm the magnitude of the displacement being measured creates an electrical DC output from the tra...

Страница 7: ... Temperature Effect Zero None corrected by AUTO zero Span 0 015 of Natural Span ºF Mounting Position Effect None corrected through transmitter automatic zeroing Span and Zero Adjustment Digital via internally located pushbuttons Low Pass Filtration Response time to reach 98 of a step change is adjustable from 0 5 to 256 0 seconds Overpressure and Static Pressure Limit 25 psig Automatic Zeroing Acc...

Страница 8: ...ransmitter output and display signals are put on Hold a valve is activated which disconnects the process high pressure from the high port of the transducer and connects the process static pressure to both sides of the transducer creating a true zero differential pressure after a brief stabilization period the transducer zero offset signal is measured and stored in memory the valve is deactivated a...

Страница 9: ...cation If not contact Air Monitor s Customer Service Department at 1 800 AIRFLOW for further guidance Note The VELTRON DPT 2500 plus has been configured and calibrated to customer specified parameters see Factory Setup Information Sheet provided with the unit and requires no additional calibration verification prior to installation 4 2 LOCATION The standard version of the VELTRON DPT 2500 plus is ...

Страница 10: ...an be mounted in any position provided it is secured using all four mounting holes Reasonable consideration should be given to clearances for pressure and electrical connections Once a suitable location is found use the unit as a template to mark the centers of the four mounting holes Drill four pilot holes at the marked locations With the unit in position install the four 8 32 screws Figure 4 1 S...

Страница 11: ...DPT 2500 plus connects to Static Pressure from the airflow measuring device When connecting the VEL TRON DPT 2500 plus for positive room pressurization connections must be completed as follows High port on the VELTRON DPT 2500 plus connects to sensor from monitored room Low port on the VELTRON DPT 2500 plus connects to reference sensor When connecting the VELTRON DPT 2500 plus for negative room pr...

Страница 12: ...can be configured for 0 5VDC 0 10VDC or 4 20mADC Review the Factory Set Up Information Sheet for your unit s configuration 0 5VDC Minimum load resistance is 2500 ohms 0 10VDC Minimum load resistance is 5000 ohms 4 20mADC Maximum load resistance is 750 ohms 4 6 OUTPUT SELECTION Selection of output type 0 5V 0 10V or 4 20mA is made via jumpers J1 through J3 see Figure 4 2 The selection of voltage or...

Страница 13: ...has been verified in accordance with Section 4 apply power 2 Display will briefly indicate VELTRON DPT 2500 plus Dot will blink at a rate of once per second Version 1 00 Your actual version may be different Followed by VELTRON DPT 2500 plus Version 1 00 Thanks for Choosing AIR MONITOR After 5 seconds display will indicate VELTRON DPT 2500 plus Version 1 00 for approximately 5 seconds to perform AU...

Страница 14: ...taneously pressing and Cover must be removed to gain access to pushbuttons see Section 5 4 If remains on after the AUTO zero cycle is complete or flashes rapidly refer to Section 8 Trouble shooting for required action 5 4 CONFIGURATION The VELTRON DPT 2500 plus onboard microprocessor controls Configuration Operating parameter selection input output activation and scaling display scaling and transd...

Страница 15: ...to theNormal operation mode Activates the User Setup menu When in User Setup Use to scroll to the desired Main Menu item Use to scroll to the value or mode within a parameter Enters user into specific selection sub menu from Main Menu Selection Displays current setting of selected Parameter Enters the selected value or setting into memory Use as an escape key to exit Main Menu selection to avoid s...

Страница 16: ...ion Low Pass Filter Selection AUTO zero Configuration Transducer Span Selection Transmitter Input Calibration Transmitter Output Calibration Exit User Setup DESCRIPTION Allows for the configuration of process variable such as Square root ON OFF process type process minimum maximum units and percent lockdown Selects amount of filtering applied to transducer output and to the display Turns AUTO zero...

Страница 17: ...tion is similar for all Main Menu selections The remainder of this Section details steps to verify or change Configuration Programming of all Main Menu Selections At any time while in the Main Menu User can return toNormal operation mode by pressing or scrolling to EXIT and pressing User Setup 12 X Auto Zero Off On Selection Auto Zero Interval 1 Hour User Setup Main Menu Auto Zero Configuration Tr...

Страница 18: ...T 2500 plus 13 EXIT User Setup Trans Scaling Config Low Pass Filter Selection User Setup Main Menu Square Root Off On Selection Process Type Selection1 Process Units Selection Process Format Selection Process Minimum Selection Process Maximum Selection Output Lockdown Selection 1 Return to Main Menu ON or OFF Square Root Off On ON Transmitter Flow or Transmitter Velocity Process Type TRANSMITTER F...

Страница 19: ...n sub menu press Unit will remain programmed as it was originally 5 Use or to select remaining parameters to be changed within the Process Configuration sub menu See the following Units Lists for the available Process Units selections for the appropriate Process Type See the following Format List for the available Process Format selections 6 Follow Step 4 to make any changes to parameters 7 To ret...

Страница 20: ...bic meters per minute Actual cubic meters per hour Standard cubic feet per second Standard cubic feet per minute Standard cubic feet per hour Standard liters per second Standard liters per minute Standard liters per hour Standard cubic meters per second Standard cubic meters per minute Standard cubic meters per hour Normal liters per second Normal liters per minute Normal liters per hour Normal cu...

Страница 21: ...ocity UNIT OF MEASUREMENT DISPLAY feet per second feet per minute feet per hour meters per second meters per minute meters per hour Actual feet per second Actual feet per minute Actual feet per hour Actual meters per second Actual meters per minute Actual meters per hour Standard feet per second Standard feet per minute Standard feet per hour Standard meters per second Standard meters per minute S...

Страница 22: ...LIST X XXXX XX XXX XXX XX X XXX X XX XXX XXX XX0 XXXX X00 UNITS LIST for Process Type Differential Pressure UNIT OF MEASUREMENT DISPLAY inches of water column inches of mercury pounds per square inch gauge Pascals kilo Pascals bars millibars millimeter of water column millimeter of mercury kilograms per square meter Percent in WC in Hg psig Pa kPa bars mbars mm WC mm Hg kg m2 ...

Страница 23: ...l indicate Process Filter Selection 3 Press and display indicates current setting of Process Filter 0 none to 10 maximum 4 Use or to change setting Once desired setting is displayed press new setting will be stored in memory and display will return to Process Filter Selection menu as in Step 2 Note If user desires not to change the setting and return to Main Menu press Unit will remain programmed ...

Страница 24: ...ero Configuration menu as in Step 2 Note If user desires not to change the setting and return to AUTO zero Configuration menu press Unit will remain programmed as it was originally 5 Use or to select remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To return to Main Menu select Return to MAIN MENU in AUTO zero Configuration menu and press SECTION 5 OPERATION 1...

Страница 25: ...d in memory and display will return to Main Menu Caution Only change setting if a transducer of dif ferent natural span has been installed Note If user desires not to change the setting and return to Main Menu press Unit will remain programmed as it was originally 5 Use or to select remaining parameters to be changed 6 Follow Step 4 to make any changes to parameters 7 To return to Main Menu select...

Страница 26: ... 4 Calibration for details on Transmitter Output Calibration Input Zero Calibration Intput Span Calibration Return to MAIN MENU Transducer Span Selection Transmitter Input Calib Transmitter Output Calib User Setup Main Menu Transmitter Input Calib See Calibration Instructions See Calibration Instructions Transmitter Input Calib Transmitter Output Calib Exit User Setup User Setup Main Menu Transmit...

Страница 27: ...00 plus should be positioned in the same attitude as in its operat ing location 6 1 REQUIRED EQUIPMENT 1 Digital Manometer capable of reading to the nearest 0 001 w c 2 Digital Multimeter 3 Source of clean dry instrument air 4 Adjustable low pressure regulator such asAMC Low Pressure Air Source or equal 6 2 PREPARATION 1 Turn Power to the VELTRON DPT 2500 plus OFF 2 Remove or open cover of the VEL...

Страница 28: ...CAPE Display will count down to 0 after which it will indicate Input Span Done Push ESCAPE Note If pressure input is less than 40 or greater than 110 of transducer s Natural span value see Factory Set Up Information Sheet display will indicate Bad Input Span Push ESCAPE If this occurs check input pressure as read on manometer and readjust as necessary Press and repeat Steps 7 through 10 11 Remove ...

Страница 29: ...ctory Set Up Information Sheet for this value 7 Press and display will indicate Transducer Zero Settle Time 4 Display will count down to 0 after which it will indicate Input Zero Done Push ESCAPE 24 8 Press and then display will indicate Input Span Calib 9 Press and display will indicate Input Span Calib PUSH ENTER 10 Connect input pressure to the High Port of the VEL TRON DPT 2500 plus 11 Apply i...

Страница 30: ...ON DPT 2500 plus IO M Manual SECTION 6 CALIBRATION 6 3 TRANSMITTER INPUT CALIBRATION con t 6 3 2 con t 13 Remove input pressure from High port on VELTRON DPT 2500 plus 14 Press and then display will indicate Return to MAIN MENU 15 Press and display will be in Main Menu 25 X ...

Страница 31: ...g minimum value of 4 00 0 01mA or 0 0 01VDC 5 If DMM is reading out of tolerance use or to adjust VELTRON DPT 2500 plus output for an acceptable DMM reading Depending on DMM s selected range the or button may need to be pressed and held for a period of time before any change occurs in the DMM s display To speed up changes in output pushbutton combinations can be used The following chart lists thes...

Страница 32: ...utput Span Calib Perform Calibration 8 With DMM still connected as in Step 4 reading should be at maximum value of 20 00 0 01mA 5 00 0 01VDC or 10 00 0 01VDC 9 If DMM is reading out of tolerance use or to adjust VEL TRON DPT 2500 plus output for an acceptable DMM reading 10 Once an acceptable span reading is obtained press and then and display will indicate Return to MAIN MENU 11 Press and scroll ...

Страница 33: ...fic installation Operating experience should be used to set frequency of specific types of maintenance 7 1 CLEANLINESS Verify condensation or other sources of liquids are not present inside the VELTRON DPT 2500 plus 7 2 MECHANICAL Verify pressure signal connections are secure Inspect pressure signal lines for any cracks or leaks Verify mounting hardware is secure 7 3 ELECTRICAL Periodically inspec...

Страница 34: ...ration see Section 6 Verify pressure signal lines are connected correctly Verify AUTO zero valve switch is in the OFF position Check for leaky or obstructed lines between VEL TRON DPT 2500 plus and process sensor Disconnect pressure signal lines and apply light finger pressure to High port while monitoring analog output for change If no change contact Factory for further information Verify AUTO ze...

Страница 35: ...components of the VELTRON DPT 2500 plus that are easily replaced by the user To inquire about price and availability of a specific part number please contact the Customer Service Department at Phone 1 707 544 2706 Fax 1 707 526 2825 1 800 AIRFLOW When contacting the Customer Service Department about parts please have the applicable Factory Set Up Information sheet available for reference ...

Страница 36: ...s not possible ensure equipment is packaged sufficiently to protect it during shipment CAUTION All damage occurring during transit is the Customer s responsibility List the Return Authorization R A number on the packing list and clearly mark this number on the outside of each shipping container Costs associated with return of equipment to Air Monitor are the customer s responsibility regardless wh...

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