MODEL 2851-CAP MODEL 2852-CAP
Contents
1. Model 2851 CAP 2852 CAP User Manual Rev 2 1 4 2 2800 Series Modbus Register Mapping Zero I of REG Based DESCRIPTION TYPE Reg 40001 0 Serial Number float 2 40003 2 Hardware Rev Software Rev byte 1 40004 3 Sensitivity Mode byte 1 40005 4 Instrument Status int 1 40006 5 Model Modbus Address byte 1 40007 6 Relay2 Setup Relay 1 Setup byte 1 40008 7 Password int 1 40009 8 cal parameter float 2 40011 10 XK K cal parameter float 2 40013 12 XC C cal parameter float 2 40015 14 Filter float 2 40017 16 Slope pF per level float 2 40019 18 Offset pF for empty vessel float 2 40021 20 mA output span value float 2 40023 22 mA output Zero value float 2 40025 24 mA output Trim Slope value float 2 40027 26 mA output Trim Offset vlaue float 2 40029 28 Cal1 PV 1st calibration point level value in float 2 40031 30 Cal2 PV 2nd calibration point level value in float 2 40033 32 Cal1 pF 1st calibration point capacitance value in pF float 2 40035 34 Cal2 pF 2nd calibration point capacitance value in pF float 2 TUS sepu 40037 356 Level type Not used for Single Point Alam application 108 2 qum TEM 40039 fse Level type Not used for Single Point Alarm application 108 2 PE er gt ET las e 40045 44 Pot ieri Only used for Linear Level or int 1 ipe Not u2. Press amp hold lt MENU gt Press ei V Sel Mode k Press gt Sel Mode P ss lt gt Sel Mode Press lt gt Sel Mode Cal only View Change Exit Press lt W gt Press lt W gt Press W gt Press lt gt Press lt W gt Press lt SELECT gt Press lt SELECT gt Press lt SELECT gt Password 2000 PRE Sim el RENT See Note 1 bn View Menu I Change Menu for Entry password L_ See Page 22 See Page 23 e eL demeure ul Press lt SELECT gt E EE 9 JCALIBRTE pes jCALIBRTE Press lt gt lt SELECT gt Auto Cal S55 0 Man Cal k Press Exit Press lt gt Press lt W gt Press SELECT Press Apea 1 1 See Note 1 xxx pF See Note 1 Press SELECT Press lt SELECT gt V D HZ AK See Note 1 1 pF See Note 1 XX X PF XXX X Press SELECT Press SELECT ERES Ve 2 1 l See Note 1 1 yooxx 1 1 Des SEN an Press SELECT 2 PF See Note 1 XXX X Press lt SELECT gt 2 Von i Calok Cal Err I _ Note 1 Data Entry Flash cursor indicates to entry the value Press lt gt lt W gt key to increase decrease the digital value Press SELECT key to move the cursor Note 2 Calibration information it only shows
3. Model 2851 CAP 2852 CAP User Manual Rev 2 1 2 3 4 Input Output Terminal Specification Input Terminals Power Source Terminal Overvoltage Rated Voltage V Rated ___HZor Specified ID category Current power DC Mains A W VA fluctuation TB3 II 100 240V 150mA 50 60Hz 10 TB3 II 12 OR 24V 250mA DC 15 10 Input Terminals Measuring Circuits Terminal ID Function Measurement Nominal a c or Nominal Rating of Category d c line to a c or d c insulation neutral voltage current required for if CAT 1 Max external transient circuit overvoltage Ut TB6 Frequency I 15V 50mA 0 DI or RI TB4 RS485 I 5V 5mA 0 DI or RI Communicati on Double Insulation Reinforced Insulation Output Terminals Terminal ID Function Isolation or Rated V A Max V A Load type protection and nominal TB1 Load Relay N O Contact 5A 250VAC amp N C Contact 3A 250VAC TB2 Load Relay N O Contact 5A 250VAC amp N C Contact 3A 250VAC TB5 Current Isolator optional 18V 20mA 50mA Q18V 9002 9V 20mA 4500 TB7 Voltage None 24VDC 30mA Buzzer Pilot Light 10 Model 2851 CAP 2852 CAP User Manual Rev 2 1 2 4 Glossary of Symbols Attention consult accompanying documents Attention veuillez consulter les documents ci joints Primaire de terre de protection Coupe circuit fusible Secondary Earth Ground Mise a la terre du secondaire
4. MODEL 2851 CAP MODEL 2852 CAP Capacitance Monitor User Manual Technical Support Continental North America Toll Free 1 800 387 9487 Ph 1 905 829 2418 Fx 1 905 829 4701 A Product of Arjay Engineering Ltd Oakville Ontario Canada www ArjayEng com MODEL HARDWARE NO 5 1 SOFTWARE SERIAL NO 2852 CAP Ca pacitance Monitor ENGINEERING Reliable monitoring of process conditons and concentration Over 40 years of capacitance experience stands behind the 2852 CAP monitor The sensing probe continuously monitors the dielectric stability of the product Changes in dielectric can be tagged to product quality changes moisture content emulsions concentrations and product phase changes Typical applications include liquid blending moisture content of solids upset product intrusion or separation and general product quality capacitance technology does not foul or require cleaning no moving parts remote monitor mounts away from the process for operator safety and ease of control wiring explosion proof head The 2852 CAP sensing probe monitors the capacitance field around the probe The active portion of the probe is fully submerged into the liquid or solid to the point of targeted interest Changes in product dielectric due to blending of other products moisture content of solids or process cracking will cause a positive or nega
5. See section 3 2 3 for value entry description Confirm the capacitance value in pF is stabilized press SELECT key to accept the 2 point value The 274 calibration point has been done If the calibration is successful the display will show Cal Ok for a couple of seconds and then return to the calibration menu If the display shows Cal Err then a calibration fault has occurred Check the following 1 The 2 entry value is accidentally left the same as the 15 calibration point level Re do the auto calibration according the above steps 1 3 2 The process conditions in the 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 call Arjay Engineering Ltd Toll free 800 387 9487 North America Only tel 1 905 829 2418 15 Model 2851 CAP 2852 CAP User Manual Rev 2 1 3 4 2 Manual Calibration Manual Calibration allows you to override the values that have been set through the automatic calibration This feature may be used for a number of different reasons For example 1 One ofthe calibration points is desired to be re calibrated The user can view the pF reading of the probe in the Diagnostics menu and also record the 96 in the vessel at the same time These values can then be entered in the Manual Calibration to change either Cal Point 1 or Cal Point 2 2 Ifa calibration was done using 20 and 60
6. Normally open relay contacts Contacts travail Primary Protective Earth Ground Fuse Direct Current DC Courant continu Power off Arr mise hors tension Normally closed relay contacts Contacts Repos Live Sous tension Ground Terre r O Marche mise sous tension Neutral Neutre 4 D Power on N 11 Model 2851 CAP 2852 CAP User Manual Rev 2 1 3 0 STARTUP AND CALIBRATION 3 1 Startup Check that the power wiring PMC wiring and probe are wired in accordance with the electrical installation drawing Power On the unit Allow a 1 hour warm up period before calibrating The Status LED on the controller circuit board should be green A red Status LED indicates a fault condition If red check the Troubleshooting section The LCD will scroll to the normal operating display See section 7 0 Menu Flow Chart An instrument setup and field calibration is required on initial power up See section 3 3 for controller setup and section 3 4 to calibrate the transmitter 3 2 Menu Flow Chart Background Information The control setup diagnostics and calibration are accessed using the display and keypad on the controller The Flow Chart in Section 7 0 provides an overview to the various menus and features Keep a copy of the flow chart at hand when accessing the internal controller features Below is a description of the menu functions 3 2 1 Menu Description Since the 2852 controller h
7. Press lt gt Press lt gt Press gt Press Y gt Press Y gt Press lt Y gt A1 Fsafe A2 Fsafe PMC C Yes Yes Press lt gt Press lt gt Press c gt Press lt Y gt Press lt Y gt Press lt gt Exit Exit NET ID 1 Press lt SELECT gt Press lt SELECT gt Press lt A gt L L Press gt FILTER 0 Pres gt Press Y gt Pakal Press lt SELECT gt Applies to 2852 only 22 Model 2851 CAP 2852 CAP User Manual Rev 2 1 CHANGE MENU Sel Mode Chane 3i uos bane Press lt SELECT gt word Password ges Note 1 SELECT press SELECT Press lt JSELECT Press gt 5 0000 for Entry password Alarms We Diags setup Y Exit SELECT Press lt gt Press GELECT Breas SELECT L Press Cal ded Select Select Select Press lt SELECT Press lt SELECT gt TUA Alam 1 Alma Exit SPAN ICC Press SELECT SELECT CALIBRTEKP ese A CALIBRTE Press lt 4 gt CALIBRTE Breas St XXPF Jprosscdeicor gt prese ELECTS Auto Cal Dies E
8. as the two values for example but it was later determined that the 60 should have been entered as 70 3 The process cannot be altered at the time of calibration so a random pF value and 96 level value is entered as the second point to allow operations until a proper second point can be entered See method in 1 above THIS COMPLETES THE SETUP AND CALIBRATION PROCEDURE FOR THE 2851 CAP or 2852 CAP Capacitance Level Monitor 16 Model 2851 CAP 2852 CAP User Manual Rev 2 1 4 0 2850 CONTROLLER NETWORK The 2852 Level Controller 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 2852 s or other Arjay 2800 Series monitors may be connected together in a daisy chain 2 wire communication plus power wiring connection to an Arjay Remote 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 2852 for network operation Each 2852 controller must have a unique number to connect in a network system See section 7 0 Menu Flow Chart CHANGE menu for details to change the ID number 41 Modbus Configuration Parameter settings 9600 Baud Rate Even Parity 8 Data Bits and 1 Stop Bit Wiring connection RS485 connect to D RS485 connect to D 17
9. is reset when rises above the high alarm set point Factory default is HIGH action 5 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 Factory default is Yes The following table shows the effect of the Relay Action and Failsafe settings Relay Failsafe Action Setting aid High No Alarm condition when process rises above the High Setpoint for at least the alarm delay period Alarm condition remains active until the process drops below the Low Setpoint No action is taken when the process is between the High and Low Setpoints In the alarm condition the corresponding alarm LED is turned ON 14 Model 2851 CAP 2852 CAP User Manual Rev 2 1 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 and the relay is de energized Low No Alarm condition when process 96 drops below the Low Setpoint for at least the alarm delay period Alarm condition remains active until the process rises above the High Setpoint No action is taken when the process is between the High and Low Setpoints In the alarm condition the corresponding alarm LED is
10. number E343390 e CAN CSA 22 2 No 61010 1 274 Edition 2004 07 Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements e CE UL IEC 61010 1 IEC EN 61000 4 ISO 9001 2008 Model 2851 CAP 2852 CAP User Manual Rev 2 1 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 21 Controller Installation Choose the mounting location in accordance with good instrument practice Extremes of ambient temperature and vibration should be avoided see specifications and installation drawing The 2852 controller may be mounted up to one kilometer from the PMC card using a minimum 18 gauge 2 wire SHIELDED cable Check the polarity of the and wiring between the controller and the PMC prior to powering on the unit to and to to avoid damage Shield of cable should be connected to secondary ground terminal marked as _L_ Incoming Earth ground should be connected to primary ground terminal marked on sub plate Important Note The controller is factory shipped in a Failsafe mode This means that the relays are in an energized state during normal operation The N O relay contact will be held closed and the N C relay contact will be held open during a normal condition This will allow the relay to return to its non energized shelf state during an alarm fault or power fa
11. 2 OUTPUT a s RELAY 2 4 4 20mA nol2 sj output NO P 2 gt 2 ourPUT POWER INPUT _ M 1 8 PER MODEL Go 3j B PROBE TERMINAL MARKING Le RH iNPUT IF ORDERED VDC MODEL WHERE X 12VDC or 24VDC 24VDC 30mA MAX USED FOR 717 BUZZER RED LIGHT OPTION o MODEL 2800 SERIES TAGGED TO ALARM 2 SETTING lt o cARMY www arjayeng com jul 25 Verify Power Input ordered Z Only apply power type ordered Probe top sd shows B amp u PMC card Without Housing Mounted Inside Of Probe Housing 1 LI Figure 3 Electrical Installation Overview TB1 TB2 Relay Output 2 SPDT relay Dry N O Contact 5A 250 VAC Resistive and N C Contact 0 250VAC Resistive selectable failsafe or non failsafe selectable high or low acting alarm programmable time delay 0 600 seconds TB3 Power Input Power input as per Model Check if ordered AC or DC Earth ground is connected to G TB4 Network Output Connect RS485 and to the network D and D TB5 4 20 mA Output and The 4 20mA is a sourced output referenced to Ground It is not loop powered TB6 Probe Input Connect to to between the controller and the PMC card Check polarity to avoid damage TB7 Buzzer Red Pilot Light Output Optional The connection will be factory wired if ordered
12. 20mA field selectable output e Modbus protocol via RS 485 for access by Arjay handheld Central Access Panel or compatible system e Local 2 point Auto or Manual calibration or remote calibration via network e User specified custom features may be added by contacting Arjay Engineering Ltd 1 2 Model Number Table MODEL DESCRIPTION 2851 CAP REMOTE MOUNTED 4 20mA isolated 2852 CAP REMOTE MOUNTED 4 20mA non isolated two alarm relays The designation 2851 and 2852 will be interchangeable throughout this manual Model 2851 CAP 2852 CAP User Manual Rev 2 1 1 3 Specifications Power Input 12 VDC 15 10 or 24 VDC 15 10 250mA maximum 100VAC 240VAC 10 50 60 Hz 150mA maximum Note DC input models must be supplied by Limited Energy power source Limited Energy means compliance with one of the following requirements Class 2 circuit according to Canadian Electrical Code Part I C22 1 Class 2 circuit according to National Electrical Code NFPA 70 Limited Power Supply LPS according to IEC 60950 1 Limited energy circuit according to IEC 61010 1 Connections to mains supply Permanent for AC DC model User Interface Display amp Keypad Two line LCD with Alarm status display select menu or enter values by keypad display is internal to housing and used for set up and diagnostics only Communication Interface Modbus RS485 Analog Rela
13. ROUND 2 The distance between the probe and the ground reference This only applies to probes without concentric shields The closer the distance to the vessel 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 should be parallel to the reference ground for an improved linear output Note the concentric shield option is inherently linear due to the concentric shield 4 The measurement accuracy may be 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 may 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 should be used CAUTION INSTALL THE PROBE WITH CARE THE TEFLON SHEATH IS USED TO ELECTRICALLY ISOLATE THE METAL PROBE FROM THE LIQUID DAMAGE CAUSING LEAKS MAY CAUSE READING ERRORS NOTE To ensure proper operation and electrical safety make sure the 2852 enclosure and the PMC junction box are electrically grounded If the equipment is used in a manner not speci
14. Terminal Specification 24 Glossary of Symbols STARTUP AND CALIBRATION 3 1 Startup 32 Menu Flow Chart Background Information 3 2 1 Menu Description 3 2 2 Menu Flow Chart 3 2 3 Data Entry 3 3 2850 Controller Setup 3 3 1 Setup Menu 3 3 2 Alarm Menu 3 4 2850 Controller Calibratioi 3 4 1 Auto Calibration 3 4 2 Manual Calibration 2850 Controller Network 4 1 Modbus Configuration 4 2 2800 Series Modbus Register Mapping MAINTENANCE TROUBLESHOOTING PLOW CHARTE tdm ste TABLE OF FIGURES Figure Electrical Installation Overview 9 Model 2851 CAP 2852 CAP User Manual Rev 2 1 1 0 INSTRUMENT OVERVIEW The Arjay Model 2852 CAP Capacitance Monitor provides a proportional analog output and two independent alarm relays for monitoring and control of liquids or solids in a tank or vessel The Model 2851 CAP provides a single isolated analog output without relays The designations 2851 and 2852 will be used interchangeably throughout this manual The Arjay system has an active capacitance probe that is inserted into the vessel As the material dielectric changes around the probe the capacitance reading of the probe increases or decreases The controller 96 output is calibrated against two user defined dielectrics or product phases The remote mounted Arjay 2852 controller monitors the capacitance change of the probe and activates the rel
15. about 2 seconds 21 Model 2851 CAP 2852 CAP User Manual Rev 2 1 VIEW MENU Sel Mode View dicm Press lt SELECT gt xd Press lt gt Press lt gt SEL CT mes SELECT Press lt gt SELECT Press lt gt SELECT _Press lt gt SELECT Cal JAlarms Press lt gt Diags Press W Setup Press lt gt Press lt SELECT gt Press lt SELECT gt Press tod Press lt gt 1 Select lt Select Select XxpF mA SPAN 0 0 Alarm 1 keress lt W alarm 2 Exit xxHz 100 0 WS SELECT Press lt gt Press lt gt Press lt SELECT gt Press lt A gt lt gt Press lt gt lt gt 1 pF 1 2 HiLvl Out XXX XXX XXX Direct gt Press gt A gt Press lt SELECT gt Press W gt Pressl lt Y gt 2 1 LoLvl 2 LoLvi mA TYPE 100 0 XXX XX X 4 20 Press lt gt Pres gt Press lt gt Press SELECT press Y gt Press Y gt Press Y gt 2 pF A1 Delay A2 Delay PMC A XXX X XX XX 0 lt gt gt gt Press lt SELECT gt Press gt Press Y gt lt gt A1 Dir 2 Dir Alrm SP Alrm SP
16. alog output Communication Certified Enclosure Optional Technical Specifications Sensing Probe Probe 60 C to 260 C PMC 60 C to 55 C Approval CSA Div 1 Class I Groups CD Intrinsic Safety CSA Intrinsically Safe when ordered with Approved Barrier in Control Unit Div 1 Class I Groups A B C D Class Il Groups E EG Class Ill Encl Type 4 CRN ABSA CRN 0 07450 2 Wetted Parts 316SS and Teflon Probe materials are eligible for NACE MR 0175 Compliance LCD display of alarm status and menus RS 485 Modbus user interface 4 mA normal 20 mA alarm output The unique PMC circuit design installed at the probe and exclusive to Arjay immediately converts the sensor signal to a frequency pulse for furtherance to the controller Arjay Engineering Ltd 2851 Brighton Road Oakville Ontario Canada L6H 6C9 ron 565 http llwww arjayeng com telephone 1 905 829 2418 N America toll free 1 800 387 9487 fax 1 905 829 4701 Model 2851 CAP 2852 CAP User Manual Rev 2 1 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Figure 1 Probe Installation Figure 2 Typical Installations TABLE OF CONTENTS INSTRUMENT OVERVIEW cic Su SSS awanap 3 1 1 Features 1 2 Model Number Tabl 1 3 Specifications INSTALLATION 2 1 Controller Installation 2 14 Permanent Power Connection AC Powered Models only 22 Probe Installation 2 3 Electrical Installation 2 3 1 Input Output
17. anges and concentric shields are available as options The entrance configuration may vary depending on the application requirements Probes can be inserted vertically horizontally or angled into the vessel The active portion of a probe is the white Teflon exposed rod Be sure this is completely submerged in the process liquid or solid at all times to ensure a proper response Damage will not occur if exposed to air during process maintenance or downtime An inactive sheath can be ordered on the probe to blind the active probe from changing surface levels or potential air pockets TO SCREW IN THE PROBE THREADED ENTRY USE A WRENCH ON THE LOWER FITTING ONLY The probe fittings are compression type with Teflon ferrules assembled by applying torque between the two 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 following points are important when installing the probe 1 Reference ground This is important for accurate measurements and is typically the metal walls of the vessel 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 G
18. as a small LCD some menu descriptions may be in short form The following are the menu descriptions Diags Diagnostics SENSTVTY Sensitivity Cal Pts Calibration points Al Alarm relay 1 Auto Cal Auto calibrate A2 Alarm relay 2 Man Cal Manual calibrate Alrm Alarm Cal Ok Calibrate ok Alrm Lvl Alarm level CalErr Calibrate err Diff Hi Differential Hi alarm set value mA out mA output DiffLo Differential Lo alarm set value mA Span mA output span Alrm Del Alarm Delay Sec Seconds ASP Relay Setpoint Hi action ALRM CAL Alarm Calibration vSP Relay Setpoint Low action Cal Calibration point 3 2 2 Menu Flow Chart The 2852 CAP controller will display the value in its normal operating condition The 2852 controller has a password protect feature The default password is 2000 From the main menu you can select Cal Only View and Change Cal Only allows a two point calibration only A password is required to enter this menu item and is described in the calibration section Output parameters and other control features cannot be accessed through this menu It is recommended to use this menu if only a re calibration is to be done View allows an operator to view the Calibration setpoints in pF the Alarms settings 2852 only such as low or high action failsafe or non failsafe and the 0 600 second delay the Diagnostics of raw readings and the Setup values such as mA output and ID address This 12 Model 2851 CAP 2852 CAP U
19. ay contacts for use with alarms pumps valves etc The analog output and RS 485 Modbus communication are available for control interface The complete 2852 CAP system consists of the probe the PMC card and the 2852 controller The standard probe is constructed of a Teflon coated stainless steel rod The PMC card is mounted in a junction box at the top of the probe The PMC card translates the capacitance signal from the probe into a frequency pulse which can be transmitted up to one kilometer to the 2852 controller via 2 wire shielded cable Calibration requires a known change of product in the vessel to provide two calibration points The Arjay processor will automatically extrapolate to determine the 0 to 100 span Dielectric changes to concentration may not be linear This instrument is for general trending purposes The two relays can activate at different setpoints and are entered as a value through the keypad and display Each relay has a differential setpoint to allow the relay to activate at one and de activate at a different 96 This is similar to a latching format which can cycle a pump or valve between two distinct values using only one relay The model is intended for use in General Purpose non hazardous areas For hazardous location use refer to Arjay Engineering Ltd for appropriate models 1 1 Features e Microprocessor based capacitance monitor e Two Differential Alarm relays Model 2852 CAP only e 0 20mA or 4
20. fied by the manufacturer the protection provided by the equipment may be impaired Model 2851 CAP 2852 CAP User Manual Rev 2 1 THREADED ENTRY FLANGED ENTRY CONCENTRIC SHIELD ENTRY U 0 Use wrench on Lower Hex ONLY i lt 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 MAY NOT WORK Figure 1 Probe Installation 2852 CONTROLLER TO ARJAY CONTROLLER TO ARJAY SENSING PROBE 2 WIRE SHIELDED CABLE WORSCTION OF FLOW PROBE suis i TO ARJAY CONTROLLER PROBE TO ARJAY CONTROLLER PROBE Figure 2 Typical Installations 8 Model 2851 CAP 2852 CAP User Manual Rev 2 1 2 3 Electrical Installation cA RELAY 1 A 11 85485 NO 2 m DLS i E OUTPUT uc 3 11
21. ilure condition Wire accordingly Note Maximum Conduit size for installation size is FNPT 2 1 1 Permanent Power Connection AC Powered Models only 1 Connection to the building wiring system shall be in accordance with the Canadian Electrical Code CEC Part 1 in Canada the National Electrical Code ANSI NFPA 70 in the USA or the local electrical codes of the country where the equipment is being installed 2 Adisconnecting device is required The disconnecting means shall disconnect all current carrying conductors 3 15A circuit breaker or equivalent fuse is required 4 An external switch or breaker shall be in close proximity to the equipment and within easy reach of the operator The switch shall be marked as the disconnecting device for the equipment and include the symbols to its ON and OFF positions using the following symbols C Power Off CD Power On 5 wiring for AC power should be minimum 18 AWG 300V or as required by local country codes 6 After field wiring the primary wires must be secured to the enclosure by tie wraps to maintain the separation from the signal wires 7 Wiring diagram for permanent connection See drawings at the back of this manual 8 Use copper conductors only Model 2851 CAP 2852 CAP User Manual Rev 2 1 2 2 Probe Installation Standard probe entry into a vessel is via a 3 4 NPT opening standard probes or 1 NPT opening heavy duty probes Fl
22. lt V gt key to increase Press lt SELECT gt Press SELECT OK decrease the digital value v v Press lt SELECT gt Press SELECT key to move the cursor VAT eate A2 Fsafe MC K Note 2 Calibration information it only Yes Yes shows about 2 seconds Press lt SELECT gt Press SELECT gt D 4 Press SELECT Note 3 Value Selection Fsafe see A2 Fsafe 5 _ Flash cursor indicates to select the value Nes Yes No PMc Press lt gt lt V gt key to select the desired E 5 Hie Press SELECT Press SELECT L gt Exit Exit Press lt SELECT gt J Press lt SELECT gt Press lt SELECT gt 1 23
23. lter Data filtering 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 pF will start to respond immediately but will take 5 seconds to reach their final values The factory default is O to provide an immediate and active response This can be user selected from 0 99 9 seconds 3 3 2 Alarm Menu The 2852 Controller has 2 relays A1 and A2 that have 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 Above this value relay action is taken depending on the Relay Action and Failsafe settings Factory default is 4096 for A1 and 80 for A2 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 Factory Default is 20 for A1 and 60 for A2 3 RELAY DELAY Minimum time in seconds for an alarm to exist before the corresponding relay changes to its alarm state The relay alarm state depends on the Relay Action and Failsafe settings Factory default is 0 4 RELAY ACTION High or Low Action For high action the alarm is set when the rises above the high alarm set point and is reset when the drops below the low alarm set point For low action the alarm is set when the drops below the low alarm set point and
24. nd can be accessed in the CHANGE menu Follow through the flowchart in section 7 0 and input the settings as required 1 mA Output Span The mA output span may be set anywhere within the measurement range Typically the mA Span is set at 100 but this span value can be changed to any required 2 mA Output For Direct mA output 0 4 mA span e g 100 20 mA For Inverse mA output 0 20 mA span 4 mA 3 mA Type The output can be set for 4 20mA or 0 20mA The unit is shipped as 4 20mA 4 PMC The PMC card has three personalized values that must be entered into the controller These are factory entered at time of shipment but should be verified prior to calibration or any time a PMC card is changed out The three PMC values are indicated as A K amp C and are labeled on the PMC card installed at the probe 13 Model 2851 CAP 2852 CAP User Manual Rev 2 1 5 Defaults Factory settings are pre configured into the unit based on the most typical set up required for this application This provides for a quick and easy calibration at site but can be changed to suit specific applications If the setup has been field changed selecting this will change back to the factory defaults 6 NETID 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 7 Fi
25. sed for Single Pain Alarm application Mt 1 40047 46 mA Analog Output float 2 40049 48 Oscillation Frequency float 2 40051 50 Frequency float 2 40053 52 Capacitance float 2 40055 54 Filtered Capacitance float 2 40057 56 Level float 2 18 Model 2851 CAP 2852 CAP User Manual Rev 2 1 5 0 MAINTENANCE There is no routine cleaning required for this controller or probe 19 Model 2851 CAP 2852 CAP User Manual Rev 2 1 6 0 TROUBLESHOOTING CONDITION DO THIS 1 Status LED is OFF and the LCD Check the power to the unit If the unit is a 12VDC or display if off 24VDC model check the external source and 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 sure the PMC is installed e Make sure the PMC wiring is correct and there are no breaks in the wiring At the controller measure across the Probe Input terminals with a DC meter Make sure lead of meter is on terminal It should read 8 to 10 VDC with the PMC connected and approximately 20 to 24 VDC with the PMC terminal disconnected Microprocessor may have lost its parameters due to a surge in the line Go to Diagnostic Menu see Flow Chart to check the Calibration values frequency and capacitance values Call Arjay Technical S
26. ser Manual Rev 2 1 can be viewed without a password and without risk of changing any values This information may be requested during technical assistance inquiries Change is password protected and allows an operator to enter or change the configuration set up values indicated in the View Changes will be required for the initial setup of relay setpoints delays span etc or to re set the values to the factory default 3 2 3 Data Entry Data Entry Press lt gt lt gt key to increase decrease the digital value Press SELECT key to move the cursor Press MENU key to abort certain screens 3 3 2850 Controller Setup Power up the 2852 Controller The status LED should be green The LCD will scroll to the normal operating screen after a series of the following screens each displays for 2 sec Arjay gt S XXXXXX gt SW X XXX NETID X CAP 2800 PMC EXT HW X X X X Normal Screen The PMC card has three personalized values that must be entered into the controller These are factory entered at time of shipment but should be verified prior to calibration or any time a PMC card is changed out 3 3 1 Setup Menu Press and Hold the menu key to enter the main menu Follow the Flow Chart procedure to access the Change menu Toggle to access the Setup menu The 2852 Controller has the following setup parameters These must be set up to the requirements of the application a
27. tive capacitance change around the probe This change is used to provide a 4 20 mA proportional output and two setpout alarm relays 3 4 npt 31655 process connection Inactive sheath optional alarm light and or buzzer Remote Electronics available in painted steel SS or polycarbonate enclosure Features and Benefits no moving parts remote electronics via standard twisted pair explosion proof probe is standard probe is available with Intrinsically Safe option for alternative HazLoc protection high corrosion resistant Teflon and stainless steel wetted parts capacitance technology responds to all product types HF capacitance technology does not require routine cleaning easy calibration and control set up Need more than 2 relays or a visual display of your process activity Look to the Arjay 4100 CAP series Level Monitor Alarm and Status ENGINEERING Technical Specifications Control Unit Operating Temp 20 C to 55 C Resolution 007 07 pF at 1 000 pF Accuracy 04 of full scale pF Power Input 12 vdc or 24 vdc or 100 240 vac 10 Alarm Relay 2 x 10 amp 240 vac SPDT dry discrete relays with differential control 4 20mA proportional output non isolated Modbus RS 485 UL 61010 1 2nd Edition CAN CSA 22 2 61010 1 4 IEC EN 61010 1 2nd Edition IEC 61326 1 CE Declared Type 4 IP 66 painted steel or Type 4X IP 66 polycarbonate SS Light buzzer beacon An
28. turned ON and the relay is energized Low Yes Alarm condition set and reset as above In the alarm condition the corresponding alarm LED is turned ON and the relay is de energized 3 4 2850 Controller Calibration 3 4 1 Auto Calibration For the controller calibration two different process conditions must occur The active probe section must be fully submerged in the product To enter the first calibration point the user must determine a 96 value for this present process condition For the second calibration point the process condition must be changed up or down by at least 10 The user will need to determine the value to be used for this new condition Following the Menu Flow Chart enter the Cal only menu then Auto Cal In the 1 point entry menu enter the current level value in 96 e g 0 096 43 096 etc 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 will scroll to the 274 point entry menu 1 CHANGE THE IN THE VESSEL BY A MINIMUM OF 10 0 The may be raised or lowered A change of less than 10 096 may be used in some applications but to ensure calibration accuracy it is not recommended The capacitance value in pF will increase or decrease accordingly 2 For the 274 point entry menu enter the new current value in e g 100 0 or 30 0
29. upport 3 No mA output OR incorrect mA IMPORTANT THE UNIT SOURCES mA OUT FROM output THE mA OUTPUT TERMINAL THIS TERMINAL SHOULD NOT BE CONNECTED TO 24V IT IS NOT A 2 WIRE mA TRANSMITTER See Figure 4 for Electrical hookup details Disconnect external wires from mA output and measure with mA Meter Check the mA output Action direct or inverse and mA output Span are set as desired See section 7 0 Flow chart Change menu If the mA output still does not match the level then call Arjay Technical Support 4 96 reading is not correct Make sure probe is properly grounded to Tank Ensure that there is a parallel ground reference with the probe via Tank wall or concentric shield Go to View Menu then select CAL Write down the 96 and pF reading of each CAL point Go to DIAG menu and verify existing pF reading If pF reading is within range of CAL point then unit can be trimmed by Entering a new CAL point in manual CAL under change menu If the pF is out of range then check what changes may have occurred since initial CAL E G different material new location for probe temperature ARJAY ENGINEERING TECHNICAL SUPPORT 800 387 9487 1 905 829 2418 www arjayeng com 20 Model 2851 CAP 2852 CAP User Manual Rev 2 1 7 0 FLOW CHARTS NORMAL OPERATING DISPLAY CAP XX
30. xit AT HiLvi A2 MiLvi xxHz i AN z Y s XXX XXX S EFAULTS Press SELECT Fer Presse W gt press lt SELECT gt Press SELECT 100 Y Y V V Press SELECT Press lt SELECT gt FT see HG seo see A2 HiLvl Y xxxpF Notet XXX Note XXX MA OUT DEFAULTS see ST sid re Press GELECT Press SELECT gt Direct Yes Tess gt Press lt SELECT gt lt gt zr AT LoLvi A2 LoLvi in x Vig REET 290 see pl See XXX XXX See NET ID 0 pF_ Notet Duet Press SELECT Press SELECT gt m Noes Pr ELECT E gt Press Press er AT LoLvi se AZ Lovi s ress Y d Press SELECT MUR E XXX XXX NET iD see l 2 ME LU Reet Press Speer Press Aoma x Notet x Press lt SELECT gt E gt Le Press JELECT Delay AZ Delay ress SE Press ELECT Carr Y XX XX MA TYPE see FILTER Se Press lt SELECT gt Press GELECT gt 14 20 mA Noss lt gt x AT Delay sce A2 Delay se Press SELECT Press SELECT Press SELECT xx Noter XX Notet MC A FILTER EX EE Press Eg Press SELECT Nee al Err E gt I AT Dir A2 Dir Press lt SELECT Press SELECT l Alrm SP Alrm SP SETUP Press pcr Press SELECT Ext Note 1 Data Entry 1 Dir See A2 Dir see Press lt SELECT gt _ Flash cursor indicates to entry the value Alrm SP Note3 Alrme sP Notes MC K Press lt A gt
31. y Outputs mA Signal Output 4 20 mA DC 900 Ohms max OR 450 Ohms max 12VDC Power Relay Output 2 SPDT relay dry N O Contact 5A 250 VAC Resistive and N C Contact 3A 250VAC Resistive selectable failsafe or non failsafe selectable high or low acting alarm programmable time delay 0 600 seconds Instrument Performance Measuring Range 0 5000 pF most applications are 100pF to 1000pF Accuracy 0 296 Resolution 0 05 of setpoint via network display 0 002 of Full Scale capacitance via network display Calibration Linear 2 point Auto calibration and Manual calibration Environmental Operating conditions Continuous Operating Temperature 20 C to 55 C controller 60 to 55 PMC 60 C to 260 C probe Relative humidity 0 to 95 non condensing Altitude lt 2000 m Installation Category Il Pollution Degree 2 Equipment mobility Fixed Model 2851 CAP 2852 CAP User Manual Rev 2 1 Mechanical Specification Refer to Dimensional Drawing Enclosure Rating Type 4 IP65 Painted Steel Blue Type 4x IP66 Polycarbonate Gray Type 4x IP66 316 Stainless Steel Options on Enclosure Buzzer Pilot Light OR Strobe Beacon Custom alarms Approval Standards e UL IEC 61010 1 274 Edition 2005 07 22 Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements e UL file
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