MODEL 2882 CAPACITANCE LEVEL TRANSMITTER User Manual
Contents
1. PROBE IN CONTROLLER MODEL 2882 LEV 4 4 STANDARD PROBE MODEL PCA L IN Z EXPLOSION PROOF HOUSING CL GR B C D CL Il GR E F G CL Ill CL I DIV 2 GR A CL ZN 1 IIB H2 112 TYPE 3 amp 4 REV DATE DESCRIPTION CHK D APP D REVISIONS ROJECT ARJAY RJA y ENGINEERING Ez ENGINEERING IMT ED STATUS 2 D s Y IE 2882 DRAWN F H 12 01 10 WITH PROBE CHECKED DIMENSIONAL amp ELECTRICAL APPROVED SCALE NT REF DWGS DWG NO SHT 20100041 1 REV2. 4 2 2882 Transmitter Relay Setup 2880 Transmitter allows 4 parameters per relay plus a time delay value which is common to all relays 1 HIGH ALARM Diff Hi POINT This value is specified in level Above this value relay action is taken depending on the Relay Action and Failsafe settings 2 LOW ALARM Diff Lo POINT This value should be less than the High control point Below this value relay action is taken depending on the Relay Action and Failsafe settings 3 RELAY ACTION High or Low Action For high action the alarm is set when the level rises above the high alarm set point and is reset when the level drops below the low alarm set point For low action the alarm is set when the level drops below the low alarm set point and is reset when level rises above the high alarm set point 4 FAILSAFE Failsafe typically means that the relay is normally when not in an alarm condition held in an energized state In an alarm condition the relay is de energized i e identical to when the instrument power is shut off The rationale is that the alarm condition should match the Power Fail condition 5 RELAY DELAY Minimum time in seconds for an alarm to exist before the corresponding relay is set to its alarm state The relay alarm state depends on the Relay Action and Failsafe settings 14 Model 2882 2882 User manual10 docx Rev 1 0 The following table shows the effect of the Relay Action and Failsafe settings Rela
3. SELECT key to accept the 2 point value The 2 calibration point has been done If the calibration is successful the display will show Cal OK for a couple of seconds then go back to the calibration menu If the display shows Cal Err then a calibration fault has occurred Check the following 1 The 2 level entry value is accidentally left at the 1 calibration point 96 level Re do the auto calibration according the above steps 1 3 2 The level in vessel was not changed from the 1 calibration point Re do the auto calibration according the above steps 1 3 3 IF 1 or 2 are not the cause then call Arjay Engineering Ltd Toll free 800 387 9487 North America Only tel 1 905 829 2418 3 3 2 Manual Calibration The manual calibration is typically used after successful automatic calibration This feature allows you to recalibrate the transmitter without physically changing the level in the vessel For example if the capacitance and level in have been recorded after the automatic calibration these recorded values can be used in the manual calibration To view the current calibration values at any time see section 3 2 2 Menu Flow Chart in Diagnostic menu under Diags Cal pts To manually calibrate the transmitter See detail manual calibration procedures in section 3 3 2 Menu Flow Chart under SELECT Calibration Menu and Calibration Man Cal submenu THIS COMPLETES THE SETUP AND CALIBRA
4. mA out mA output vSP Relay Low action mA Span mA output span Sec Second 3 2 2 Menu Flow Chart The 2882 transmitter will display the level value in its normal operating condition From the normal operating menu you can select the Calibrate Menu Alarm Setup Menu Diagnostic Menu and Setup Menu Calibrate Menu includes auto calibrate and manual calibrate see section 3 3 Calibration for detail description Alarm Setup Menu provide alarm set point value alarm low or high action selectable failsafe or non failsafe selectable 0 600 seconds delay See section 4 2 2882 Transmitter Relay Setup Diagnostic Menu provides current calibration values frequency and capacitance value Setup Menu includes Setup View and Setup Change submenus In the Setup View submenu the user can only view the setup parameters mA output direction mA output span ID number etc In Setup Change submenu the user can change setup parameters by defaults and customer determined own setup values The next 5 pages show the detailed menu flow chart 3 2 3 Data Entry Data Entry Press lt A gt V gt key to increase decrease the digital value Press SELECT key to move the cursor Model 2882 2882 User manual10 docx Rev 1 0 NORMAL OPERATING DISPLAY Level 0 0 Press lt SELECT gt Press amp hold lt MENU gt Press lt A gt Press lt A gt Press lt A gt Press lt A gt SELECT SELECT ee SELECT PS SELECT PERS SEL
5. value See Note 1 for value Entry Press lt SELECT gt to accept Input 2 point level 96 value See Note 1 for value Entry Press lt SELECT gt to accept Input 2 point capacitance value See Note 1 for value Entry Press lt SELECT gt to accept Note 1 Data Entry Press 4 lt W gt key to increase decrease the digital value Press SELECT key to move the cursor Model 2882 2882 User manual10 docx Rev 1 0 ALARM SETUP MENU SELECT Alarms Press lt SELECT gt Password Password 2000 See Note 1 for Entry password Press lt SELECT gt P RELAYS ress lt A gt RELAYS Relay 1 DW Relay 2 NN Press SELECT Press SELECT Press SELECT RELAYS Exit Press lt A gt Press lt W gt RELAY 1 bress lt 42 RELAY 1 Failsafe Press lt Y gt Exit Press lt A gt Press lt W Press lt SELECT gt Press lt A gt RELAY 1 Action Press lt Y gt Press lt SELECT gt Press SELECT Press lt SELECT gt Press lt SELECT gt Diff Lo _0 Press lt SELECT gt Failsafe No Press lt SELECT gt Press lt SELECT gt See Note 1 Relay 2 has the same setup menu of Relay 1 Note 1 Data Entry Press lt A gt lt W gt key to increase decrease the digital value Press lt SELECT gt key to move the cursor 10 Model 2882 SETUP MENU SELECT SETUP 2882 User manual10 docx Press lt SELEBTE
6. Access monitor or customer control system which allows viewing data and setup of any of the transmitters on the network The 4 20mA output may still be used if necessary 2 Setup for the 2882 for network operation Each 2882 transmitter must have a unique number to connect in a network system See section 3 2 2 Menu Flow Chart SELECT SETUP menu for details to change the ID number 15 Model 2882 2882 User manual10 docx Rev 1 0 5 0 TROUBLESHOOTING CONDITION DO THIS 1 Status LED is OFF and the LCD Check the power to the unit If the unit is a display if off 24 12VDC model check the external source is 24V 12VDC Make sure the polarity is correct If the unit is a 100 240VAC model then check the Line Neutral and Ground wiring is correct 2 Ifthe status LED is RED This indicates a major error such as memory failure no probe signal etc Check the following e Make sure the probe wiring is correct e Microprocessor may have lost its parameters due to a surge in the line Go to Diagnostic Menu see 3 2 2 Menu Flow Chart to check the Calibration values frequency and Capacitance values Call Arjay Technical Support 3 mA output does not match the level First determine if the problem is in the mA output or if the unit is not calibrated to the vessel e Check the calibration values go to Diagnostic Menu see 3 2 2 Menu Flow chart and read the 2 calibration points values If the calibration values are not correct redo cali
7. ECT Alarm Diags press lt y gt Setup Exit la Press lt gt Press lt W gt Press lt SELECT gt Press lt SELECT gt Press lt SELECT gt Press lt SELECT gt ou TEES 7 ESA AS 7 APARENTE i AAA i lvl besten Manu Alarm Setup i Diagnostic Menu Setup Menu See Page 9 MANN See Below ee cages g See Page 10 1 amp 12 DIAGNOSTIC MENU SELECT Diags Press lt SELECT gt Press lt SELECT gt Diags Diags SELECT EA Cal Pts Ko lt y gt LPF amp Hz Exit Press lt gt Press lt SELECT gt Press lt Y gt Press lt SELECT gt Press lt SELECT gt xxxx Hz 2 100 xxx x pF Press SELECT Note 1 Data Entry Press lt gt lt w gt key to increase decrease the digital value Press SELECT key to move the cursor Model 2882 2882 User manual10 docx Rev 1 0 CALIBRATION MENU SELECT CALIBRTE Press lt SELECT gt Password Password 2000 See Note 1 for Entry password Press lt SELECT gt Press lt SELECT gt Calibration Calibration Press lt gt Calibration Auto Cal m Man Cal Exit ress lt Y gt Press lt W gt Press lt SELECT gt Input 1 point level 96 value See Note 1 for value Entry Press lt SELECT gt to accept 2 100 0 Press lt SELECT gt Input 1 point level value See Note 1 for value Entry Press lt SELECT gt to accept Input 2 point level
8. G 2 Probe Input Probe input is wired by the factory The terminal block is disconnected during shipment and has to be re connected during installation 3 Network Output Connect RS485 and to the network D and D 4 4 20 mA Output The 4 20 mA is a sourced output referenced to Ground It is not loop powered 5 Relays Output 2 SPDT relay 10 A 250 VAC contacts selectable failsafe or non failsafe selectable high or low action programmable time delay 0 600 seconds 6 Model 2882 2882 User manual10 docx Rev 1 0 3 0 STARTUP AND CALIBRATION 3 1 Startup Power up the 2882 transmitter The status LED should be green The LCD should go to the normal operating menu See section 3 2 2 Menu Flow Chart The unit is normally pre configured and tested at the factory A field calibration is required on startup See section 3 3 lt 2882 Transmitter Calibration gt to calibrate the transmitter 3 2 Menu Flow Chart 3 2 1 Menu Description The 2882 transmitter has a password protect feature The default password is 2000 Since the 2882 transmitter has a small LCD some menu descriptions may be in short form The following are the menu descriptions Diags Diagnostic Alrm Alarm Cal Pts Calibration points Alrm Lvl Alarm level Auto Cal Auto calibrate Diff Hi Hi alarm set value Man Cal Manual calibrate Diff Lo Lo alarm set value Cal Ok Calibrate ok Alrm Del Alarm Delay Cal Err Calibrate err ASP Relay Hi action
9. LEVEL NORMAL OPERATING 0 0 DISPLAY Note 1 Data Entry Press lt gt lt W gt key to increase decrease the digital value Press lt SELECT gt key to move the cursor 12 Model 2882 2882 User manual10 docx Rev 1 0 3 3 2882 Transmitter Calibration Power up the 2882 transmitter The status LED should be green The LCD should go to the normal operating menu See section 3 2 2 Menu Flow Chart after the series of following screens each display for 2 sec Arjay S XXXXXX 2882 Net ID X 3 3 1 Auto Calibration As per the Menu Flow Chart press Menu key until CALIBRATE shows on display Press select key enter password 2000 and confirm that calibration is required continue to the Auto calibration menu 1 In the 1 point entry menu enter the current level value in e g 0 0 or 50 See section 3 2 3 for value entry description Confirm the capacitance value in pF is stabilized press SELECT key to accept the 1 point value The 1 calibration point has been done The LCD should go to the 2 point entry menu 2 CHANGE THE LEVEL IN THE VESSEL BY A MINIMUM OF 10 The level may be raised or lowered A change of less than 10 may be used in some applications but is not recommended to ensure calibration accuracy 3 In the 2 point entry menu enter the current level value in 96 e g 100 or 30 See section 3 2 3 for value entry description Confirm the capacitance value in pF is stabilized press
10. MODEL 2882 CAPACITANCE LEVEL TRANSMITTER User Manual Technical Support Continental North America Toll Free 1 800 387 9487 Ph 1 905 829 2418 Fx 1 905 829 4701 ARJAT A Product of Arjay Engineering Ltd Oakville Ontario Canada www ArjayEng com Model 2882 2882 User manual10 docx Rev 1 0 TABLE OF CONTENTS 1 0 INSTRUMENT OVERVIEW lt a s 3 1 1 CaN SS Mt tenes a ant arn eet ava a 3 1 3 ler elfe alone 3 2 0 INSTALLATION costas 4 2 1 A MEM E 4 2 2 Probe MstalatO Mitad criadas 4 2 3 Electrical InstallallOL aa id Riad 6 3 0 STARTUP AND CALIBRATION ura illa iia 7 3 1 A a tn e 7 3 2 Menu FOW Cassette sa aiti Ehe aiii 7 3 2 1 Mie guaBi i eidiolielnee em here E 7 3 2 2 Menu BIOoWGOHBSEsiasossotus Qs oa 7 3 2 3 Bugs EET 7 3 9 2802 Transmitter CallDratiOr5ssuis ete iia 13 3 9 1 Auto Calibration 8 ennemis 13 3 3 2 Manual Calibrador icintos 13 4 0 SETUPAND NETWOR Kisses sastre tocata 14 4 1 2992 Transmitter Selllp usines a a 14 4 2 29982 Transmitter Relay Setup erinnere aveo avtov ri 14 4 3 2862 Transmiter NebWODK vs saisir ore sa xeu E Fa cadat rebut meldet era at MO Rebel aas 15 5 0 TROUBLESHOOTING pe o a LAM LIE 16 Model 2882 2882 User manual10 docx Rev 1 0 1 0 INSTRUMENT OVERVIEW 1 1 Features e Microprocessor Level Transmitter e 4 20mA output with optional signal isolator e Modbus protocol via RS 485 for access by Arjay handheld Central Access Panel or compatible system e Local 2 point Auto or Manual calibrat
11. Ss lt A gt Press lt SELECT gt SETUP SETUP Press lt M SETUP VIEW CHANGE zz w EXIT Press SELECT Press SELECT mA OUTPUT DIRECT Press lt gt Press lt Y gt mA SPAN 100 Press lt A gt L Press lt Y gt Press lt Y gt Press lt SELECT gt See Page 12 Password SELECT SELECT EA AAN CUSTOM Press lt Y gt DEFAULT Password 2000 See Note 1 for Entry password Press lt gt Press lt SELECT gt Press lt SELECT gt Press lt SELECT gt FILTER pu rc Press lt A gt Press 5 SEC CUSTOM SELECT Press V lt A gt lt y gt Press lt gt Press lt W gt VIEW 3 SEC Press lt gt D Press lt Y gt NORMAL EXIT OPERATIN G DISPLAY Rev 1 0 Note 1 Data Entry Press lt A gt lt w gt key to increase decrease the digital value Press lt SELECT gt key to move the cursor 11 DEFAULT SET Press lt SELECT gt SETUP DONE LEVEL 0 0 Model 2882 2882 User manual10 docx Rev 1 0 CUSTOM SELECT SELECT CUSTOM Press lt SELECT gt mA OUT Press lt A gt mA OUT PES DIRECT ops LINVERSE Press lt SELECT gt Press lt SELECT gt mA SPAN 100 Press lt SELECT gt See Note 1 for Entry FILTER SEC 0 Press lt SELECT gt See Note 1 for Entry 10 1 Press lt SELECT gt See Note 1 for Entry SETUP SHOWS ONLY DONE ABOUT 3 SECONDS Press lt SELECT gt
12. TION PROCEDURE FOR THE 2882 LEVEL TRANSMITTER 13 Model 2882 2882 User manual10 docx Rev 1 0 4 0 SETUP AND NETWORK 4 1 2882 Transmitter Setup The 2882 transmitter has the following setup parameters 1 mA Output For Direct mA output 0 level 4 mA span level e g 100 20 mA For Inverse mA output 0 level 20 mA span level 4 mA See section 3 2 2 Menu Flow Chart SELECT SETUP menu for details to change the mA output action 2 mA Outpt Span The mA output span may be set anywhere within the measurement range Normal mA Span is set at 100 level but this span value can be changed to a required level See section 3 2 2 Menu Flow Chart SELECT SETUP menu for details to change the mA Span 3 Filter Data Filter Data filter is used to smooth data from a sudden change and minimize fluctuating readings For example a 5 second setting means the calculated value of the capacitance and resulting values of level will take 5 seconds to reach their final values as a result of a sudden change of the level See section 3 2 2 Menu Flow Chart SELECT SETUP menu for detail to change the Data Filter 4 Device ID number The ID number is used only for network applications To communicate on a network each controller must have a unique ID number Important if multiple units on a network have the same address network errors will result See section 3 2 2 Menu Flow Chart SELECT SETUP menu for details to change the ID number
13. and is typically the metal walls of the tank For non metallic tanks a concentrically shielded probe is required in which case the shield provides its own Ground IMPORTANT For standard threaded entry and flange entry probes without concentric shields make sure the fittings are clean to ensure a GOOD ELECTRICAL CONNECTION BETWEEN THE PROBE HEAD ENCLOSURE AND THE TANK REFERENCE GND 2 The distance between the probe and the ground reference This only applies to probes without concentric shields The closer the distance to the tank wall the greater the sensitivity of measurement too close and bridging problems may occur 3 The degree of parallelism between the probe and the reference ground The probe must be parallel to the reference ground for a linear output signal Note the concentric shield option is inherently linear due to the concentric shield 4 The measurement accuracy is affected by the temperature change of the material in the tank The amount of measurement error depends on the material If the temperature change is excessive temperature correction will be required Contact the Arjay representative for more information 5 Agitators or moving objects in the tank Moving objects in the tank close to the probe such as agitator blades moving baffles etc appear as moving ground references to a capacitance probe and will cause measurement errors In applications where these objects are present a concentrically shielded probe s
14. bration See section 3 3 2882 Transmitter Calibration If the calibration values are correct go to next step to check mA output Check the mA output Action direct or inverse and mA output Span are set as desired See section 3 2 2 Menu Flow chart Setup View menu If the mA output still does not match the level then call Arjay Technical Support IMPORTANT THE UNIT SOURCES mA OUT FROM THE mA OUTPUT TERMINAL THIS TERMINAL SHOULD NOT BE CONNECTED TO 24V IT IS NOT A 2 WIRE mA TRANSMITTER See Figure 2 1 for electrical hookup details ARJAY ENGINEERING TECHNICAL SUPPORT 800 387 9487 1 905 829 2418 www arjayeng com 16 ALARM 1 ALARM 2 SHIELDED 3 4 NPT FEMALE CONDULET 24VDC INPUT 4 EQ ALARM 1 ic C ALARM 2 C SHIELDED A 24VDC INPUT Ho ane N N 5 25 i 2 00 ON RS485 MY 4 20mA 5 25 PROBE IN 316 SS PROCESS FITTING RATED AT 1500 psi 3 4 NPT PROCESS DL ENTRANCE THREAD 25 pm RS485 m TEFLON COATED PROBE 4 20mA
15. fied Model 2882 2882 User manual10 docx Rev 1 0 2 0 INSTALLATION NOTE If any damage to the instrument is found please notify an Arjay Engineering representative as soon as possible prior to installation 2 1 Probes The 2882 Level Transmitter consists of the transmitter enclosure fitted with a capacitance probe selected from a variety of styles for use with liquids liquid interfaces and granular materials The probe length is customer specified for the tank and depth of material to be measured Usually Teflon coated probes are used 2 2 Probe installation Standard probe entry into a tank is via a 3 4 NPT opening standard probes or 1 NPT opening heavy duty probes Flanges and concentric shields are available as options The entrance configuration may vary depending on the application requirements TO SCREW IN PROBE THREADED ENTRY USE WRENCH ON LOWER FITTING ONLY The probe fittings are compression type with Teflon ferrules assembled by applying torque between the two hex sections The fittings are sealed at the factory to provide a compression seal capable of withstanding high pressures Once opened they cannot be reassembled without new ferrules The probe should be mounted vertically and parallel to a reference ground surface which is typically the vertical wall of the tank or a concentric shield around the probe The following points are important when installing the probe 1 Reference ground This is VERY IMPORTANT
16. hould be used CAUTION INSTALL PROBE WITH CARE DAMAGE TO TEFLON SHEATH WILL CAUSE MEASUREMENT ERRORS Model 2882 2882 User manual10 docx Rev 1 0 THREADED ENTRY FLANGED ENTRY CONCENTRIC SHIELD ENTRY Use wrench on Lower Hex ONLY Typical f gt 1 For threaded and flanged entry types the probe must be parallel to the tank wall 2 For threaded and flanged entry types measurement sensitivity is increased by reducing the probe to wall distance 3 There should be good electrical conductivity between the tank wall and the transmitter enclosure For probes with a concentric shield this is not important INSTALL PROBE WITH CARE IF TEFLON COATING IS DAMAGED THE PROBE WILL NOT WORK Figure 2 0 Model 2882 2882 User manual10 docx Rev 1 0 2 3 Electrical Installation Relay 1 Output E RS485 Output E Relay 2 Output lo 5 4 20mA Output 24VDC z Power Input E Ye amp Slow Blow Fuse Probe Input Wr amimi T m a j E og FaN AA amp ZOUU kr ko a 7 4 www arjayeng com RAY Figure 2 1 1 Power Input 24VDC power input connect VDC and VDC to connector 24 and 24 Earth ground is connected to
17. ion or remote calibration via network e 2 Differential Alarm relays SPDT 10 A 250 VAC e User specified custom features may be added by contacting Arjay Engineering Ltd 13 Specifications Power Input User Interface Display amp Keypad Communication Interface Analog Relay Outputs mA Signal Output Relay Output Instrument Performance Measuring Range 100 240 VAC 50 60 Hz 0 15A 24 VDC or 12 VDC 0 25 A Max specify at the time of order Two line LCD with display of Level select menu or enter values by keypad RS 485 Modbus 4 20 mA DC 900 Ohms max 24VDC 10bit isolated optional 2 SPDT relay 10 A 250 VAC contacts selectable failsafe or non failsafe selectable high or low acting alarm programmable time delay O 600 seconds O 1000 pF most applications are 100pF to 500pF Accuracy 0 5 of FS on 4 20mA 0 2 of Level or FS capacitance via network display Resolution 0 5 of FS Level on 4 20 0 20mA output 0 05 of Level via network display 0 002 of FS capacitance via network display Calibration 2 point Auto calibration and Manual calibration Environmental Requirement Operating Temperature Relative humidity Mechanical Specification Enclosure Type Weight 20 60 Deg C Transmitter 0 to 95 non condensing Class Group B C 4 D Class II Group E F G Class III enclosure Type 3 amp 4 2 5 Kg 5 5lbs max excluding probe Probe length is customer speci
18. y Failsafe Action Setting High No Alarm condition when process level rises above the High Setpoint for at least the alarm delay period Alarm condition remains active until the process level drops below the Low Setpoint No action is taken when the process level is between the High and Low Setpoints In the alarm condition the corresponding alarm LED is turned ON and the relay is energized High Yes Alarm condition set and reset as above In the alarm condition the corresponding alarm LED is turned ON but the relay is de energized Low No Alarm condition when process level drops below the Low Setpoint for at least the alarm delay period Alarm condition remains active until the process level rises above the High Setpoint No action is taken when the process level is between the High and Low Setpoints In the alarm condition the corresponding alarm LED is turned ON and the relay is energized Alarm condition set and reset as above LL In the alarm condition the corresponding alarm LED is turned ON but the relay is de energized 2882 Transmitter Network The 2882 Level Transmitter may be monitored and calibrated via RS 485 protocol compatible digital communications Typical features are 1 Ease of wiring in multiple level point monitoring Up to 255 Model 2882 s or other Arjay 2800 Series level monitors may be connected together in a daisy chain 2 wire communication plus power wiring connection to an Arjay Remote
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