Manual - Can-Am Instruments Ltd.
Contents
1. 13 3 3 7 CALIBRATION eat auntie nts 15 3 3 7 1 CHECK OIL SENSITIVITY SLOPE SETTING 15 3 3 7 2 QUICK CAL ONE POINT 15 3 3 7 3 ACTIVE PROBE 16 3 3 8 ENABLE ALARM RELAY eeeneeeees 16 4 0 OPERATION ces in peed e aed cae Micon 17 4 1 DISPLAY DISP a a 18 4 2 CALIBRATION 18 4 3 CONTROL MENU CONT 00 00 ee ee a 18 4 3 1 MA SETTINGS 18 53 2 RELAY SETTINGS 18 4 3 3 RELAY SETTINGS SELECTION cere ert 19 4 3 4 RELAY SETTINGS EXAMPLE 000 eee ee tee 20 44 SETUP SETUP 20 4 4 1 PMC 2000 Manual SETUP 1 2 20 44 2 DIAGNOSTICS SETUP 12 21 443 SETTINGS MENU SETUP 3 21 5 0 TROUBLESHOOTING v 23 6 0 CONTROLLER SETTINGS SHEE P ec eect eea 25 HARDWARE REV SOFTWARE REV Page 2 of 26 3 0 2040 12 and h2. JVA 021 19 01 NOILIANNOD 830d SNOILISNNOD vd 3 EX ey la ION TION Pace LAVAN ZSAE cavia X 929007 XJAWNN 30W 340ed 05061 08 0 X 0 89 OSZ X 0021 X 5597043813 Q13IHS JISLNIINOD 58918 Y3TISLNOI 122 HLIA AIND 035 5110 3 2 340 d 340 d 31 09 NOVI3L NOILdO G713IHS HLIM ino NOILI3NNOI 85532089 LdN 1 38059 1an GND 31lvavd3as a0 JD VIA NOILISNNOD 18 13373 55300 LdN 51 X04 NOILINAC JANS BWW 310 5 LWX DAY 9D JJA 73437 33 q3LSIAL 30731 5 19 355 NI 3d0ad 340d 1921819313 01 0731 5 9 3 3 gnoad 11 55972 a daNDX9 1 55712 140 YW3N dV3H NOILINAC WNNIWNIV 1593 CAVI 3S 1Nd Syalaavd 13375 IISNIYLNI 1 5 2 ONY 0731 5 AJAWNN WdOW 33770831 02 AALIWTI ONIHAANI NA wav lv 204 AV 13a LAdLAO NN LNAA 2 L3xDVad ONILNNOW AVYMANYW AVd Odlad 08 559704341 Xv YWAN 3SNSO ISN WAaLNOD 5 1 1 1300W Ko AVMA
3. 2000 SERIES MODEL 2114 OWS OIL WATER 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 A Product of Arjay Engineering Ltd Oakville Ontario Canada INTERNET www arjayeng com 2114 OWS Oil Water Separator Level Monitor Continuous interface monitoring of static level oil water separators for oil level indication control and alarm Over 30 years of Arjay s field proven HF capacitance technology has been applied to the 2114 OWS oil water separator monitors The sensing probe continuously monitors for oil to control pumps operate valves or activate alarms capacitance technology does not foul or require cleaning no moving parts remote alarm unit mounts safely away from tank 2114 OW S The 2114 OWS sensing probe monitors the capacitance field between the probe and it s concentric shield As the volume of separated oil increases in the separator the probe capacitance changes This proportional change is used to indicate the separated oil level and provide relay control E Features and Benefits no moving parts e remote electronics via standard twisted pair one controller can monitor up to two probe inputs available with Intrinsic Safety Barrier for Hazardous Locations e high corrosion resistant Teflon and stainless steel wetted parts capacitan
4. and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 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 Capacitance probes may be selected from a variety of styles for use with liquids liquid interfaces and granular materials The probe length is customer specified for the height of material desired to be measured Usually Teflon coated probes are used 2 2 PROBE INSTALLATION The standard probe used for Oil Water Separator OWS applications comes with a 2 inch NPT concentric shield Flanges are available as options The entrance configuration may vary depending on the application requirements TO SCREW IN PROBE THREADED ENTRY USE WRENCH ON LOWER 2 INCH HEX BUSHING 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 prob
5. being constantly updated in the background Apart from the CALIBRATION menu and the DIAGNOSTICS menu in all other menus the Alarm relays and the mA output are also updated 3 2 DISPLAY After mechanical and electrical installations of the probe s and the controller have been successfully completed power up the unit The following startup screen will be displayed for about 3 seconds Arjay Engineering Level Ease 21140WS Rev 3 00 2040 12 S N 001234 The Rev line displays the Hardware Revision followed by the Software Revision separated with The Serial Number is displayed by itself on the bottom line After the startup screen the LCD should show a screen similar to OIL LEVEL 3 28 in 27 33 NOTE The shown values are for example only The 2nd line shows the oil level in engineering units One of 8 engineering units may be selected in the configuration menu as described in the next sub section The 3rd line shows the oil level in percent This value is independent of the engineering units The 4th line displays a bargraph of the percent capacity The resolution is 5 The Status Indicator see figure 3 0 should be green If this is red then the LCD displays the kind of System Error See the troubleshooting guide for details 3 3 MINIMUM SETUP 3 3 1 XMTR VALUES e Press the SETUP key then 1 for Xmtr Set then 2 for Manual This menu enters the PMC 2000 level transmitter module s calibration param
6. end of the pump intake pipe is submerged in oil when the pump starts e The unit now prompts for the programmable On Delay This is the time in seconds that oil should be allowed to exceed this alarm point before the pump is turned on e Next the unit prompts for the programmable ON time for the pump i e how long the pump is turned on for enter the time in seconds followed by the Enter key The time should limited so that the oil does not fall below the suction intake tube of the pump which would cause air to drawn and the pump to run dry The flowrate of the pump and volume vs level of the separator will be needed to determine this accurately PUMP RELAY SETTINGS ON delay s 0 ON time s 30 e Next setup general purpose alarm relays 3 and 4 If not already at the Relay Settings menu press the CONTROL key then 1 for Relay Settings then 3 to setup relay 3 HARDWARE REV SOFTWARE REV Page 14 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM RELAY 3 SETTINGS Action HI 1 for LO Fisafe OFF 1 for ON e Select the Alarm Action by pressing 1 to toggle between High and Low action See Section 4 3 2 4 3 4 for help in selecting this value Press ENTER after selecting Action e Next select the Failsafe type by pressing 1 to toggle between On and Off S
7. it controls a pump which should be OFF if power to the 2114 OWS is removed This relay is reserved to indicate Instrument Failure It has no user settable settings This relay is forced to normally energized no alarm and de energized in an alarm condition or power failure No change allowed No change allowed HARDWARE REV SOFTWARE REV Page 25 of 26 3 0 2040 12 and higher 21140WS USER MANUAL 21140wsum43 doc 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM Relay3 Hi Set Alarm Relay high alarm alarm condition if level 10 inches is above this value value in chosen engineering units Relay3 Failsafe Failsafe of ON sets the relay as normally energized no alarm and de energized in an alarm condition Relay 3 Alarm Amount of time the level must be in an alarm 0 sec Delay condition based on Relay 3 alarm value and Action settings before the relay is set to the alarm condition condition set by Relay 3 Failsafe setting Relay4 Hi Set Alarm Relay 4 high alarm alarm condition if level 15 inches is above this value value in chosen engineering units Relay4 Failsafe Failsafe of ON sets the relay as normally energized no alarm and de energized in an alarm condition Relay 4 Alarm Amount of time the level must be in an alarm 0 sec Delay condition based on Relay 4 alarm value and Action settings before the relay is set to the alarm condition condition set by Relay 4 Failsafe setting Ala
8. setting generally offers a little better measurement resolution 3 3 6 RELAY SETTINGS DESCRIPTION RELAY1 This relay is dedicated for oil pump control i e controls the oil pump if excess oil is present in the separator Pump operation When the oil level first exceeds the Oil Pump alarm point RELAY 1 is activated for a programmable period of time After the Run Time has elapsed the pump turns off The pump will remain off until water has replenished the separator which will reset the relay If oil continues to enter the separator at a higher rate than water the oil volume will increase until further alarm relays are activated Note the Pump Relay is normally de energized when not in alarm In the event of a power failure to the 2114 OWS the pump will remain OFF RELAY2 Relay 2 is a system fault alarm It is used to indicate a major error in the unit such as a faulty level probe or circuit card The LED on the front panel lights up if an instrument failure occurs The corresponding contacts for Relay 2 however are normally energized and de energize in the event of an instrument failure RELAY3 amp 4 Relays 3 and 4 are general purpose alarm relays Setpoint considerations may be a setpoint before the pumps turns on to indicate that oil is accumulating in the separator HARDWARE REV SOFTWARE REV Page 13 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc
9. the positive action has the opposite state as that required in the event of a power or instrument failure so Fail Safe is typically OFF For alarm applications relay used to indicate an abnormal condition such as a high tank level the positive action typically is the same state desired as in the event of a power or instrument failure so the Fail Safe condition is typically ON Identify the type of relay action required if the positive action is required when the level exceeds the control point then select High Action for the relay If the positive action is required when the level falls below the control point then select Low Action Identify the relay contacts to use either Normally Open or Normally Closed The contacts used are dictated by the failsafe setting and if the positive action requires the application of power or removal of power to the controlled device The following table summarizes the settings for all possible requirements DESIRED CONTACT CONDITIONS DO THIS BELOW ABOVE INSTRUM Or FAILSAFE RELAY USE LOW SETPOINT HIGH SETPOINT PWR FAILURE SETTING ACTION CONTACTS 1 Open Closed PA Open No High Acting NO 2 Open Closed PA Closed Yes High Acting NC 3 Closed PA Open Open No Low Acting NO HARDWARE REV SOFTWARE REV Page 19 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE
10. the vessel the measured capacitance of the level probe decreases linearly and can be used to display oil level and to provide signals and controls Display 4 line X 20 Character LCD with optional backlight bar graph Keypad 4x4 Membrane type matrix Network RS 485 Modbus protocol PERFORMANCE Range 0 20 feet Resolution 0 1 inches of oil Accuracy 0 2 of Full Scale INPUTS 2 wire plus shield connection to an Arjay PMC 2000 module located in any Arjay Capacitance probe head OUTPUTS RELAYS mA output 0 05 resolution sourced into 900 Ohms maximum load Relay specs 4 SPDT 10A 120VAC contacts Relay 1 Selectable alarm point to turn on oil removal pump for an adjustable period of time 2 600 seconds Relay 2 Energized in case of instrument failure Normally de energized Relays 3 amp 4 Alarm point set over full scale oil range Programmable time delay 0 99 seconds Hi Fail safe selectable POWER 115VAC 10 or 220VAC or 24VDC 0 4A max specify at time of order MECHANICAL SPECIFICATIONS Enclosure sub plate mount optional wall Mount Type Nema 4X enclosure Dimensions 5 3 8 5 2 5 Wall Mount Nema 4X 14 x 12 x 7 Weight 2 2 kg 516 max Wall Mount Nema 4X 6kg 13lbs ENVIRONMENTAL SPECIFICATIONS Operating Temp Relative Humidity 20 to 60 Deg C for Controller only Probe Head 40 to 80 Deg C 90 max with no condensation HARDWARE REV SOFTWARE REV Page 4 of 26 3 0 2040 12
11. will set the relay to an alarm state when the level falls below the control point for at least the time delay period The relay is set to a non alarm state with no delay when the level rises again above the control point The relay alarm state i e normally energized or not energized is set by the Failsafe setting described next FAILSAFE Failsafe ON typically means that the relay is normally energized when not in alarm In an alarm condition the relay is de energized i e identical to when the instrument power is shut off Setting the Failsafe OFF keeps the relay normally de energized when not in alarm Note regardless of the alarm condition the corresponding relay LED on the front panel is always ON when in an alarm state 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 4 3 3 RELAY SETTINGS SELECTION Identify the positive action required in the control application such as turning on a pump opening a valve or sounding an alarm Note the time delay is applied to the start of the positive action also the corresponding LED is turned on to indicate the positive action Identify if Fail Safe condition is required in an alarm condition If the Positive Action is the same as in a Power Fail condition then Fail Safe setting should be ON Typically control applications relay used to control pump etc
12. 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM TABLE OF CONTENTS 1 0 INS FRUMENT OVERVIEW oct need ciate Ate Meat Aten al 3 1 1 FEATURES a A tan Wei des 3 1 2 DESCRIPTION etn oe rit hl is bedi 3 2 0 INSTALLATION eet a 5 2 1 ie E 5 2 2 PROBE INSTALLATION riesis aiai 5 24 amp 9 3 0 STARTUP AND CALIBRATION 0 0 cece eee eects eee tenn ee nese 10 3 1 NOTES 10 3 2 2 11 3 3 MINIMUM SETUP 11 3 3 1 XAMILR VALUES 11 3 3 2 DATA FILTER SMOOTHING ee eee eee tener eras 11 3 3 3 ENGINEERING UNITS 000 oe 12 3 34 TAG NUMBER 2 deat 12 3 35 12 3 36 RELAY SETTINGS
13. E REV SOFTWARE REV Page 7 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 2 3 MECHANICAL INSTALLATION MODEL 2114 OWS OIL WATER LEVEL CONTROLLER ENCLOSURE FRONT VIEW 4 65 Hole diameter 0 150 6 bolt size 4 places typical Yd 1 Find a location on a vertical structure to mount unit about eye level in a protected area away from direct condensation The structure should be able to support the weight of the unit 2 Mount the unit via bolts into the vertical structure using the 4 mounting holes The location dimensions are shown above MECHANICAL INSTALLATION AND DIMENSIONS MECHINST2k DSF Figure 2 1 HARDWARE REV SOFTWARE REV Page 8 of 26 3 0 2040_12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 2 4 All connections are via plug in connectors for installation convenience The 24VDC is the power input for DC powered models For AC powered models the power connection is on the bottom of the unit The network connection is optional for 2200 series and standard for the 2400 series models and requires an Arjay Central Access Panel CAP or H
14. NVW NIVW 1 LAO TWO
15. PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 4 Closed PA Open Closed Yes Low Acting NC 5 Open PA Closed Closed No Low Acting NO 6 Open PA Closed Open Yes Low Acting NC 7 Closed Open PA Closed No High Acting NO 8 Closed Open PA Open Yes High Acting NC e positive action desired such as turning on a pump e Conditions 1 3 5 7 are typically for control applications where the positive action i e turning pump should be shut off during a power failure to the Arjay level controller e Conditions 2 4 6 8 are typically for alarm applications where the positive action i e sounding an alarm if the level is at a high level should also be in place during a power failure to the Arjay level controller 4 3 4 RELAY SETTINGS EXAMPLE An alarm buzzer and light must be turned on if the level in a tank exceeds 5 inches of oil or in the event of an instrument or power failure Settings Control point 5 inches Alarm setpoint for Relay 3 or 4 Failsafe Yes Relay action High acting Contacts used Normally Closed Explanation In this case the positive action is turning on a buzzer and light Since the buzzer light should also be turned on if the Arjay unit fails or in the event of a power failure i e the positive action state is the same as the failure state the failsafe setting should be Yes Since the positive action is desired when the lev
16. QUICK SETTINGS MENU SETUP 3 SETUP key then for SETTINGS The 2000 Oil Level Monitor uses a high precision and highly repeatable RF technique to measure capacitance which in turn is used to calculate level The capacitor formed by the Teflon sheathed level probe mounted vertically into the vessel and probe shield decreases in capacitance linearly as the level of oil increases THE INSTRUMENT ASSUMES THAT THE OVERALL LEVEL IN THE VESSEL IS ALWAYS THE SAME AND THE ONLY CHANGE IS THE LEVEL OF THE OIL WATER INTERFACE i e only one variable The Arjay Capacitance probe type used is a concentrically shielded probe This arrangement makes the probe installation independent of most other parameters other than the dielectric change between the Teflon sheathed probe and the surrounding concentric shield This allows factory calibration of the SLOPE i e the change of capacitance per selected engineering unit typically inches of oil along the probe The only field calibration required is a Single Point Calibration to set the 0 level oil capacitance This may be done at any oil level and not necessarily at 0 oil although this is often the most convenient During the Single Point Calibration the instrument uses the SLOPE value and the current actual oil level value entered by the user to calculate the capacitance at 0 oil Four alarm contacts are provided A pump contact is provided to turn on a pump when the oil level rises above a user selectab
17. REV 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM a setpoint higher than the pump setpoint to indicate that the pump is unable to evacuate the oil faster than new oil inflow a setpoint near maximum oil capacity of the separator to close the inlet or outlet valve to the separator For Failsafe and Action Settings for Relays 3 amp 4 please refer to Section 4 3 2 4 3 4 SETTING THE RELAYS e Press the CONTROL key if not already in the Control Settings menu see mA Settings display above The press 1 for Relay Settings RELAY SETTINGS 1 Oil Pump Relay1 3 Relay3 4 Relay4 5 Disable Alrms ENA e Disable the relays factory default setting The bottom line can disable Alarm relay alarms even if an Alarm condition exists The factory default setting is OFF DIS which prevents Alarm relays from being activated until the unit is fully setup and calibrated If ENA i e relays are enabled is displayed in the bottom corner then press 5 to disable relays Relays can be enabled AFTER calibration and setup are complete e Press 1 to setup the Oil Pump relay relay 1 PUMP RELAY SETTINGS ALRM VAL 20 0 Filsafe OFF Action HI The bottom line of the LCD confirms that for the Pump Relay the Failsafe is fixed to OFF and the Action is High e Enter the Pump alarm point in the chosen engineering units followed by the Enter key The pump alarm point distance B in fig 2 1 should be chosen so that the
18. S SETUP 2 This menu displays the received frequency signal from the PMC 2000 module at the probe head and the calculated capacitance Both of these values are useful in determining calibration or performance problems DIAGNOSTICS 12 04 4461 48Hz 1 4mA 2 20mA 3 Other Pressing key 1 forces the mA output to 4mA Similarly pressing key 2 forces the mA output to 20mA Any other value between 0 and 20 may be set by pressing 3 for Other then entering the desired mA output value This feature is convenient to check the performance of external recorders or PLC s which read the mA output The mA output reverts back to its actual level when the normal Display Menu is selected 4 4 3 SETTINGS MENU SETUP 3 This menu sets the digital filter and the engineering units In addition the mA output may be trimmed for maximum accuracy Also the Tag number and Software revision may be viewed kkkkkk SETTINGS kkkkkk 1 Filter 2 Units 3 Tag 4 Trim 2114 Rev 2040_12 mA TRIM This procedure trims the mA output for maximum accuracy by compensating for the mA output circuitry tolerances THIS PROCEDURE IS PERFORMED ON EVERY TRANSMITTER AT THE FACTORY AND IS TO BE PERFORMED BY AUTHORIZED PERSONNEL ONLY IF IMPROPERLY DONE THE ACCURACY OF THE mA OUTPUT IS AFFECTED Under certain conditions this procedure may be undertaken in the field with Arjay s permission e Press the SETUP key then 3 for Settings and then 4 for mA Trim Th
19. andheld Calibrator for data access ELECTRICAL INSTALLATION Shield connected to Earth Gnd at 2xxx controller only not connected at PMC 2000 PROBE CONNECTION To PMC 2000 card in _ each Arjay level probe head 2 1 mA OUTPUTS Isolated mA sourced outputs NOT loop powered Ct 24VDC power for a DC powered models Op tional RS 485 co Network connection N A SEE USERMANUAL Caution to reduce the risk of fire or electric shock do PROBES NET 24 2 OUTS CAT I 2 not interconnect the outputs of different terminals Connect to Earth Gnd for DC powered models Q E 250V T160mA AVAILABLE RELAYS Model 2xx0 None 2xx2 Relay 1 amp 2 2xx4 Relay 1 4 i RELAY3 RELAY4 PE RELAY2 mlr AC POWER 120VAC gt L N G 230VAC gt L1 L2 G Elecinst2k3 dsf Ground Strap to Enclosure lug PLEASE OBSERVE CONNECTION POLARITY AS SHOWN OR DAMAGE MAY ELECTRICAL CONNECTIONS RESULT Figure 2 2 HARDWARE REV SOFTWARE REV Page 9 of 26 3 0 2040_12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 3 0 STARTUP AND CALIBRATION This section is provided for minimum setup For a more detailed description of features please refe
20. bad Failure In addition Relay 2 is de energized Call Technical Support for help to indicate a Status Alarm The level reading is erratic or unstable Check the Slope value If this is lower than about 0 5 per percent then check if the level displayed agrees with the actual level in the vessel at a number of different levels If so then check if the probe is being splashed by incoming liquid or if there are moving mixer parts especially metallic close to the probe If this is true then try increasing the Filter time setting If this is not enough and the cause of the disturbance cannot be rectified then a concentrically shielded probe must be used 6 Readings are not accurate i e the displayed For probes without a factory supplied concentric values are not accurate as the level moves shield make sure the probe is parallel to its HARDWARE REV SOFTWARE REV Page 23 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV 21140WS USER MANUAL 21140wsum43 doc 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM away from the calibration points ground reference which may be the tank wall or the inside of a stilling pipe if probe is installed in a pipe See Probe Installation SECTION 2 2 for more details For probes with a factory supplied concentric shield make sure the pressure equalizing slots holes in the shield are unobstructed i e the liquid leve
21. ce technology responds to all oil types e HF capacitance technology does not require routine cleaning e easy calibration and control set up E Technical Specifications Control Unit Operating Temperature Power Input Analog Output Interface Display Alarm Relays Standards Enclosure 0 C to 50 C 24 110 vac or 220 vac 4 20 mA proportional to oil level RS 485 Modbus available backlit display of oil level 4x 10 amp SPDT dry UL CSA CE Type 4X IP65 E Technical Specifications Probe Process Temperature Ambient Temperature probe head Approval 60 C to 260 C 20 C to 50 C CSA Class 1 Zone 1 and 2 Div 1 and 2 Groups A B C D also available with an Intrinsic Barrier option ABSA CRN 0 07450 2 All calibration control relays and power wiring is available at the main control unit This can be safely mounted up to 1 km away from the separator The four line backlit display provides menu driven set up functions and a display of up to two probe inputs tel Arjay Engineering Ltd fax 2851 Brighton Road N America Oakville Ontario email Canada L6H 6C9 web The unique PMC circuit design exclusive to Arjay immediately converts the sensor signal to a frequency pulse for furtherance to the controller Arjay SS 06 1 905 829 2418 m 1 905 829 4701 1 800 387 9487 arjay arjayeng com www arjayeng com 508 MODEL DOCUMENT TYPE DOCUMENT FILE NAME
22. e 1 Reference ground For OWS applications a concentrically shielded probe is required in which case the shield provides its own Ground 2 The measurement accuracy can 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 HARDWARE REV SOFTWARE REV Page 5 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM CONCENTRIC SHIELD ENTRY lt param 1 2 Entry Typical ____ 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 PROBE HEAD TOP VIEW PROBE TIP WITH WITH COVER REMOVED PROBE WIRE TO 2 If PMC 2000 is not already installed bolt it a THE PMC 2000 into the standoffs in the base of the probe enc
23. e unit should put out what it thinks is 20 0mA e Disconnect any load connected to the mA output of the transmitter e With an ACCURATE MULTIMETER MEASURE THE mA OUTPUT The Multimeter should have at least one place of decimal e Enter this value at the prompt and press the Enter key A maximum tolerance adjustment of 3 is allowed the entered value must be the range of 19 4mA to 20 6mA If a value HARDWARE REV SOFTWARE REV Page 21 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM out of this range is entered an error is flashed on the screen If this occurs contact an Arjay representative for assistance FILTER ENGINEERING UNITS TAG These settings are described in Section 3 3 2 3 3 3 and 3 3 4 respectively HARDWARE REV SOFTWARE REV Page 22 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 5 0 TROUBLESHOOTING CONDITION DO THIS 1 DISPLAY MENU SHOWS Error No Xmtr The unit is not receiving a frequency signal from Signal In addition Relay 2 is de energized the remote PMC 2000 level transmitter in the to indicate a Status Alarm probe head Check wiring If wiring checks out call Arjay Technical Support An adjustm
24. ee Section 4 3 2 4 3 4 for help in selecting this value Press ENTER after selecting the Failsafe type e After selecting the Failsafe setting the following menu is displayed RELAY 3 SETTINGS ALRM VAL in 5 00 On Delay sec 0 e Enter the oil pump alarm point the chosen engineering units followed by the Enter key e Setup Relay 4 in a similar way 3 3 7 CALIBRATION Calibration involves 1 Entering the Slope or capacitance change per change in the level of oil This is entered at the factory and is usually around 4pF per inch of oil for a 2 inch concentrically shielded probe Standard probe for oil measurements 2 Auto cal One point calibration which enters the actual amount of oil in the chosen engineering units This is usually done at 0 oil 3 3 7 1 CHECK OIL SENSITIVITY SLOPE SETTING e DOTHIS FIRST BEFORE AUTOCAL SINCE CHANGING THIS VALUE WILL REQUIRE REDOING AUTOCAL e Press the CALIB key then 4 for Slope Offset e Verify that the slope value is correct Check the slope value listed in the SETTINGS SHEET in section 6 0 or with Arjay Technical Support To modify enter in the new value followed by the Enter key If no change just press the Enter key NOTE the Slope prompt is in pF xxx where xxx are the engineering units chosen in section 3 3 3 Arjay slopes are specified in pF inch only To use other engineering units such as cm the slope in pF inch must first be changed to pF cm e The Off
25. el rises above the control point the relay setting should be High Acting Since the buzzer light require power to turn on and the failsafe setting is Yes the normally closed contacts should be used In an alarm application the alarm time delay should be set as low as possible 4 4 SETUP SETUP The FUNCTION menu is used for one time setup and for Diagnostics 1 2000 2 Diags 3 Settings 4 4 1 2000 Manual SETUP 1112 This menu is to calibrate the 2000 series controller for the particular PMC 2000 level transmitter module located at the probe head There are 3 calibration parameters A K C These values are used to calculate the capacitance from the frequency signal received from the PMC 2000 The parameters may be calibrated manually or automatically Automatic Calibration is performed at the HARDWARE REV SOFTWARE REV Page 20 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM factory on each PMC 2000 module The A K C values are then affixed by a label on the connector AUTOMATIC CALIBRATION IS ONLY TO BE PERFORMED BY AUTHORIZED PERSONNEL AND IS BEYOND THE SCOPE OF THIS MANUAL IF PROBLEMS ARE ENCOUNTERED OR IF THE A K C VALUES ARE NOT KNOWN PLEASE CONTACT AN ARJAY REPRESENTATIVE Manual entry of the A K C values is described in Section 3 3 1 4 4 2 DIAGNOSTIC
26. ent may be made at the controller DISPLAY MENU SHOWS Error Setup This indicates that one of the calibration or setup Values Bad In addition Relay 2 is de parameters has been corrupted Compare ALL energized to indicate a Status Alarm parameters with the table in Section 6 0 to indicate which one Re enter it Call Arjay Technical Support DISPLAY MENU SHOWS Error pF out of The calculated capacitance is out of the legal range In addition Relay 2 is de energized range Check if the A K C values in the unit to indicate a Status Alarm correspond to the A K C values of the PMC 2000 transmitter Check the integrity of the Teflon sheath of the probe If this has been damaged water could cause an electrical short circuit between the probe within the Teflon sheath and the ground reference In this case a very high capacitance is usually registered Check the Xmtr frequency in the Diagnostics menu If the frequency is around 2300 Hz or below then a short should be suspected To confirm Open the probe head and disconnect the blue wire from the probe to the PMC 2000 Using a DVM measure the resistance between the enclosure case and the probe tip It should read infinite resistance or OL Make sure that fingers and hands do not tough the metal portion of the probes of the DVM since this could show a lower resistance 1 10mohms Contact an Arjay Representative DISPLAY MENU SHOWS Error Memory The storage memory has been found to be
27. eters These parameters are printed on a label affixed to the PMC 2000 transmitter connector These values should also be noted down in the SETTINGS table located at the end of this manual On pressing 2 for Manual X MTR CONFIG Enter xmtr A value 0 03316 e Enter the PMC 2000 module A value then press Enter The unit will prompt for the K and C values Enter these followed by pressing the Enter key in each case 3 3 2 DATA FILTER SMOOTHING e Press the SETUP KEY if not already in the Setup menu then press 3 for Settings then 1 for Filter FEEEEESETTI NGS Enter filter time HARDWARE REV SOFTWARE REV Page 11 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV 21140WS USER MANUAL 21140wsum43 doc 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM in seconds 0 0 e Enter the data response time in seconds for the unit to respond to a sudden change followed by the Enter key For example a 5 second setting means the calculated value of the vessel capacitance and resulting values of level in and engineering units will take 5 seconds to respond to an actual sudden change in vessel level 3 3 3 ENGINEERING UNITS This parameter should be set before calibration relay alarms and mA output values set One of 8 units may be selected These units do NOT cause any change in internal calculations but are only used for clarity For example changing the engineering units from inc
28. hes to centimeters does NOT change the displayed value although it will affect the interpretation of values For example the calibration slope of oil is 4pF per inch If the engineering units are changed from inches to centimeters the slope should be changed to 4 2 54 1 57pF per cm for the calculations to be accurate In addition to the slope value relay alarms and mA zero and span values should all be checked to make sure they are consistent with the intended engineering units e Press the SETUP KEY if not already in the Setup menu then press 3 for Settings then 2 for Units SELECT UNITS 1 in 2 ft 3 m 4 5 lb 6 kg 7 L 8 gal Current gal e Press the number for the desired units NOTE THE FACTORY SLOPE VALUE SEE CALIBRATION IS ALWAYS GIVEN IN pF INCH IF OTHER ENGINEERING UNITS ARE CHOSEN e g cm THEN MAKE SURE THAT THE SLOPE IS RECALCULATED AND ENTERED FOR pF cm CONTACT TECHNICAL SUPPORT FOR HELP IF NECESSARY 3 3 4 TAG NUMBER THE TAG NO s ARE USED ONLY FOR NETWORK APPLICATIONS AND ARE USUALLY FACTORY SET To communicate on a network each controller must have a unique Tag Number also called node address Important if multiple units on a network have the same address network errors will result An Arjay Central Access Panel CAP is required to communicate with 2000 series level controllers on a network The CAP allows data to be viewed from and remote calibration set of any 2000 series level control
29. igher MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV 21140WS USER MANUAL 21140wsum43 doc 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 1 0 INSTRUMENT OVERVIEW 1 1 FEATURES Display of oil level in Oil Water Separators Galvanically isolated probe inputs 1 Point automatic calibration for oil on water RF Technology Arjay pulse card system for simple safe remote control calibration and maintenance 1 timed user set relay SPDT 10A contacts to activate an oil removal pump 2 general purpose alarm relays for oil level alarms SPDT 10A contacts 1 relay SPDT 10A contacts to indicate instrument error for remote status Isolated mA output per probe Independently selectable as Direct Inverse amp 4 20 0 20 output with offset capability e RS 485 Network Modbus protocol e moving parts e For use with any Arjay Capacitance probe 1 2 DESCRIPTION The unit senses level using a RF capacitance measurement technique for very high resolution measurements The Oil Level in the Oil Water Separator is measured by the 21140 5 by measuring the capacitance of a concentrically shielded Arjay Capacitance Probe As oil displaces the water in the vessel the measured capacitance of the level probe decreases linearly and can be used to display oil level and to provide signals and controls Probe inputs and mA outputs are all galvanically isolated to minimize electrical interference The Arjay Level Ease 2000 Series sy
30. is the default or normal operating screen It shows OIL LEVEL 3 28 in 27 33 mm NOTE The shown values are for example only The 2nd line shows the oil level in engineering units One of 8 engineering units may be selected The 3rd line shows the oil level in percent This value is independent of the engineering units The 4th line displays a bargraph of the percent capacity The resolution is 5 The Status Indicator see figure 3 0 should be green If this is red then the LCD displays the kind of System Error See the troubleshooting guide for details 4 2 CALIBRATION CALIB This is described in section 3 3 7 and in OPERATION above 43 CONTROL MENU CONT The CONTROL menu allows the setup of the mA output and the Control Relays NOTE The Control Relays and the mA output are set to their OFF states when in the CALIBRATION menu CALIB In the DIAGNOSTICS menu FUNCTION 2 the 20mA output may be set manually by the operator to 4mA 20mA or any user selectable value between 0 and 20mA In this case the mA output does not reflect the level value 4 3 1 mA SETTINGS The mA output Zero and Span settings may be set anywhere within the measurement range For example if the Zero is set to 5 inches of oil and the Span is set at 10 inches of oil then the mA output is scaled between these two points with the mA output indicating low level at 5 inches and high level at 10 inches of oil These values are for example only Typically the zero
31. l inside and outside the shield are always the same HARDWARE REV SOFTWARE REV Page 24 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE 21140WS USER MANUAL DOCUMENT FILE NAME 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 6 0 CONTROLLER SETTINGS SHEET Checked by Model Number Serial Number Software Rev SETTING SETTING value _ a value value ee ee change of oil Sa capacitance for 0 oil Length bottom Pump Hi Set Relay 1 Pump On Delay Pump On time Relay 1 Pump Failsafe Relay 1 Relay2 Hi Set Relay2 Failsafe Zero Level value for mA output in chosen engineering units Full Scale Level value for mA output in chosen engineering units Direct 20 when level at Span or Inverse 4mA when level is at Span Pump Relay 1 high alarm pump relay 1 turned on for a selectable time when oil level exceeds this value The pump will not turn on again until the level drops below this value Note alarm value in chosen engineering units Amount of time the oil level must be above the Pump High Setpoint before the pump relay is energized The time in seconds for which the pump is turned on when the oil level first exceeds the PUMP HI SET value Relay 1 Hi Set This relay is forced to normally de energized Failsafe OFF since
32. le oil pump setpoint In the event of an oil spill when the oil level rises above this setpoint the pump contacts are activated IN AN ALARM CONDITION IT IS ASSUMED THAT THE PUMPED OUT OIL MAY BE REPLACED WITH AIR INSTEAD OF WATER ABNORMAL CONDITION This would have the effect of further decreasing the measured capacitance thus fooling the instrument into believing that the oil level is increasing and so preventing the pump from turning off To prevent this runaway problem the pump contacts are activated for a user selectable amount of time The time chosen should be long enough for the particular pump size to pump out the maximum expected oil in the vessel The pump contacts are then de activated The alarm condition is however not reset until the measured oil level falls below the pump setpoint This makes sure that some oil was pumped out even though it may have been replaced with air In the event that the pump cannot keep up with the oil inflow 2 other relays are provided One of them may be set to alarm at an oil level higher than the oil pump setpoint This alarm relay would alarm to indicate the pump cannot keep up The third relay setpoint may be set to an oil level higher than the previous relay setpoint and is typically used to shut off the main valve into the Oil Water Separator as a final resort An additional relay is provided to indicate instrument failure All Level Ease 2000 Series Controllers and Transmitters are intelligent and can pe
33. ler on the network from a central location e Press the SETUP KEY if not already in the Setup menu then press 3 for Settings then 3 for Tag e Enter the desired tag number 3 3 5 mA SETTINGS e Press the CONTROL key CONTROL SETTINGS HARDWARE REV SOFTWARE REV Page 12 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 1 Relay Settings 2 mA Settings e Press 2 to setup the mA output kkkkk SET mA OUT kkkkk Zero in 0 0 Span in 24 0 e The unit prompts for the Zero and Span in the chosen engineering units Enter these values followed by the Enter key in each case After the Enter key is pressed for the Span value the following menu is displayed for additional mA settings kkkkk SET mA OUT kkkkk Action Direct Type 4 20 Press 1 to change e cursor will be on the Action setting line Pressing 1 toggles between Direct and Inverse action Direct action causes the 4mA to be output when the level is at the Zero setting and 20mA to be output when the level is at the Span setting Inverse action is the reverse of Direct action Press the ENTER key when done e The cursor now drops to the Type setting line Pressing 1 toggles between 4 20mA and 0 20mA The 0 20mA as the name implies outputs a signal between 0 20mA instead of 4 20mA The 0 20mA
34. losure The orange connector should face away from the probe 1 Remove probe cover 3 Remove the mating connector and wire it as shown The shield SHOULD NOT BE CONNECTED Plug the connector back SHLD NOT CONNECTED 4 IMPORTANT the enclosure MUST BE THIS END i PA EARTH GNDED Either via tank if it is LUG __ 6 connected to earth gnd a separate gnd PMC 2000 MODULE connection to the GROUND LUG PROBE DRW PROBE INSTALLATION Figure 2 0 HARDWARE REV SOFTWARE REV Page 6 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV 21140WS USER MANUAL 21140wsum43 doc 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM TYPICAL OIL WATER SEPARATOR APPLICATION Manway Oil Pump a Arjay Earth Line Level Probe Liquid Level y 40 of Tank Diam Active Probe Length for 100 of expected oil range A x y Alarm point to start oil pump B x z 2 inches Owsapp DRW Figure 2 1 Figure 2 1 shows a typical Oil Water Seperator application The Active Probe Length A is the length along the probe corresponding to the maximum anticipated oil level It is important that the overall liquid level oil and water should be a constant i e the only variable is the oil water interface level and not the total liquid level HARDWAR
35. r to Section 4 0 RELAY LEDS ON HI ACTING gt lt ALARM C 4 line x 20 char LCD STATUS LED status RED ERROR S008 S000 S005 www arjayeng com Membrane keypad DISPLAY DISPLAY KEY Displays Level Information Also used as backspace in value entry CALIBRATE KEY For probe calibration menus camo CONTROL KEY For 4 20mA output and Alarm Relay settings SETUP KEY For configuration and diagnostics USER INTERFACE Figure 3 0 31 NOTES ON VALUE ENTRY When entering in numeric values the cursor can be backspaced to correct mistakes by pressing the DISPLAY key This is only true if the cursor is not at the beginning of the displayed value in which case the DISPLAY menu is entered Values may be entered with any number of places of decimal If the entered value is out of the allowed limits the system displays the limiting value for 2 seconds For example if the mA Span value is entered as 5000 0 then MAX 100 is displayed for 2 seconds then entry is allowed again The current value is not changed unless the entered value is within limits HARDWARE REV SOFTWARE REV Page 10 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM During value entry the capacitance and level are still
36. rform a number of tasks simultaneously multitasking software This means that even while in another menu the capacitance is always measured in the background For example if the Filter value is being set in the SETTINGS submenu SETUP SETTINGS menu the level value relay alarms and mA outputs still being updated This is important since keypad entries are typically slow and sometimes an operator might forget to return the unit to the normal DISPLAY menu in this case Alarm relays and mA output are still updated In some menus however the mA output and or the Alarm Relays are not updated on purpose for example while in the calibration menu the unit assumes that the unit is being calibrated and so the calculated level may be erroneous In this case the mA and Alarm Relays are set to the inactive states HARDWARE REV SOFTWARE REV Page 17 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM Periodically every 5 10 seconds the unit does a self diagnostic If major errors are found they are displayed on the LCD These error messages take precedence over the level information in the DISPLAY menu ONLY All other menus may be entered and parameters viewed or changed In case of errors this allows the user to enter the DIAGNOSTICS menu and check the capacitance or frequency etc 41 DISPLAY MENU DISP This
37. rm Enable Master Alarm Relay Enable If Off this will prevent relays from being reflecting the Alarm condition The relay will remain in the non alarm condition base on the Fail safe switch setting on the relay modules Filter Digital Filter response time in seconds Used to smooth out level fluctuations caused by splashing etc Eng units chosen to display level information in addition to the level Tag Number For network applications only All Arjay 2000 1 series controllers connected to a network must have a unique Tag Number between 1 and 100 HARDWARE REV SOFTWARE REV Page 26 of 26 3 0 2040 12 and higher aM 81 warana EEE PE Suum pret 10 yoeg punoly Sa3L3SWITIIW ANY SJH NI NI SNOISNAWIC VW A 43770831 02 SAMO oof 6 std WD LON JES 1222222222222 SAD vl22 ril2 Cu ONIYHANIONGA SLOWLNOD 34935 SLOVINDD JavdS 2 TAN z SLOWLNOD 34945 710 2 AV duno 11093 SLOWLNDD 3avdS 18 0 2a STEN RUSEN 16 710 710 1 38098 13 NOILVa 9 134 bleed ae NI X310 1ND3 SAD peert T SLOWLNOD Aad AGAWNN IAOW SY 1 2 pIe 1309 31151538 O22 AD IVA OZI v2 1Y dwy OI punog yeg JO
38. set value should not be modified It is automatically set after a successful calibration either the Quick or Full 2 point procedure It is the capacitance value corresponding to water only no oil Increasing levels of oil will decrease the measured capacitance starting from this value and changing at the rate set by the slope value i e typically 4pF per inch of oil 3 3 7 2 QUICK CAL ONE POINT e If not at the CALIBRATION menu press the CALIB menu key then 1 for Quick Calibration HARDWARE REV SOFTWARE REV Page 15 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM e Measure the actual level of oil in the same engineering units chosen in section 3 3 3 For new installations there is usually no oil present in which case the Autocal value should be 0 3 3 7 3 ACTIVE PROBE LENGTH NOTE THIS VALUE IS ONLY USED TO CALCULATE AND DISPLAY OIL IN MAXIMUM CAPACITY It is NOT USED in calibration or to set alarms or the mA output all of which must be entered in the chosen engineering units It is specified as the length on the probe used to measure the full range of oil anticipated by the application Note The Active Probe Length typically does not include the entire length of the probe but just the length over which the 0 100 oil is to be measured NOTE The Active Probe Leng
39. stem uses RF radio Frequency methodology to measure the vessel capacitance This technique minimizes the effects of other electrical properties of the probe vessel and vessel contents and focuses only on the vessel capacitance The controller may be located up to one km away from an Arjay probe via inexpensive 2 wire shielded cable A 20 character by 4 line LCD and 16 key membrane keypad offer detailed data displays plus ease of calibration and setup Level is displayed in percentage fill and in user selectable engineering units In addition a bar graph gives a quick indication of level RS 485 Network 2 Wire 2 Wire Isolated input shielded Intrinsic Safety Barrier Optional gt Isolated 4 20mA Relay1 Timed contacts for oil removal pump 24VDC Relay2 Contacts close in case of instrument failure 4 SPDT RELAY Relay3 4 Gen purposerelays with time delay CAPACITANCE CONTACTS LEVEL PROBE BLOCK2k DRW Figure 1 0 HARDWARE REV SOFTWARE REV Page 3 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM OPERATION USER INTERFACE The Oil Level in the Oil Water Separator is measured by measuring the capacitance of a concentrically shielded Arjay Capacitance Probe As oil displaces the water in
40. th is entered the chosen engineering units if the engineering units are in kg assuming the kg of oil in the vessel is proportional to vertical depth and the SLOPE was entered in pF kg then the value entered should be the maximum kg of oil capacity of the vessel e Press the CALIBRATION key to get to the CALIBRATION menu then 5 for Active Probe Length e The unit prompts for the maximum capacity of the vessel IN THE ENGINEERING UNITS CHOSEN IN SECTION 3 3 3 Enter the vessel maximum value then press the Enter key 3 3 8 ENABLE ALARM RELAY CONTROL e If the Alarm Relays are being used now that calibration has been successfully completed the Alarm Relay control may be re enabled e Press the CONTROL key to get to the CONTROL menu then 1 for Relay Settings then 5 to Enable e right bottom corner of the display should show ENA for Enabled e Press the DISPLAY key to go back to the Display menu THIS COMPLETES THE SETUP AND CALIBRATION PROCEDURE NO FURTHER SETUP OR CONFIGURATION IS REQUIRED THE NEXT SECTION 4 IS FOR REFERENCE ONLY HARDWARE REV SOFTWARE REV Page 16 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 4 0 OPERATION IN THE FOLLOWING TEXT A MENU WILL BE DISPLAYED AS A PATH FOR EXAMPLE THE AUTOCAL MENU CALIB 1 CALIB key then 1 for
41. value is set to 0 inches of oil The mA output may also be set to Direct or Inverse Acting In Direct Action the mA output is 4mA when the level is at the Zero level and 20mA when at the Span level In Inverse Action the mA output is 20mA when the level is at the Zero level and 4mA when at the Span level 4 3 2 RELAY SETTINGS Relays 1 and 2 are fixed for Oil Pump control and Instrument Failure respectively Relays 3 and 4 are general purpose and may be used for alarms or control such as pumps valves and other equipment based on Oil level values Below are user selectable options for Relays 3 and 4 Four parameters are available for Relays 3 and 4 HARDWARE REV SOFTWARE REV Page 18 of 26 3 0 2040 12 and higher MODEL DOCUMENT TYPE DOCUMENT FILE NAME 21140WS USER MANUAL 21140wsum43 doc REV 4 3 CREATE DATE REV DATE PRINT DATE January 17 2006 10 11 AM Feb 21 01 March 6 2006 10 10 AM 1 HIGH ALARM or SET POINT This value is specified in the chosen engineering units Above this value relay action is taken depending on the Relay Action and Failsafe settings RELAY ACTION High or Low Action Selecting high action will set the relay to an alarm state when the level exceeds the alarm point for at least the time delay period An LED on the front panel for the appropriate relay indicates the alarm condition The relay is set to a non alarm state with no delay when the level falls below the alarm point Selecting low action
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