Omega LVU-700 User Manual Download Page 36 | Manualshive

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36

Wiring

(continued)

Step Six

COMMON WIRING TO DISPLAYS, CONTROLLERS & PLC’S

Below is a quick review of wiring the LVU700 series to common display, controllers and PLC’s.

LVCN-51 Series

Level Controller

*JWA mode (Factory Setting)

LVCN-51 Series

Level Controller

*JWB mode

Generic Loop

Powered Display

Generic PLC

* Refer to the LVCN-51 Series, Level Controller manual for information on JWA mode and JWB mode settings

in the controller.

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Summary of Contents for LVU-700

Page 1: ...1...

Page 2: ...2...

Page 3: ...on 3 Specifications 5 Dimensions 6 Reflective Technology 7 About this manual 8 Getting Started 9 Setup Overview 9 Components 1 LVCN414 SW software vs Display Configuration 11 Understanding Sensor Heig...

Page 4: ...Displays Controllers PLCs 36 LVCN414 SW software Appendix 37 Sensor Configuration 37 38 Volumetric Configuration 39 41 Tank Level Confirmation 42 Write to Unit 43 Display Appendix 44 Air Gap vs Liquid...

Page 5: ...VU706 2 NPT or 2 G LVU712 3 NPT or 3 G Gasket FKM G thread only Electrical Connections Power Return 2 pin removable terminal block Display Connect 4 pin removable terminal pins Non Display version Blo...

Page 6: ...6 Introduction continued Step One DIMENSIONS Dimensions for LVU706 Series Dimensions for LVU712 Series...

Page 7: ...their measurement reliability At the core of Reflective Technology is a simple fact Unlike flat horizontal surfaces significant water droplets cannot adhere to smooth vertical surfaces By orienting t...

Page 8: ...idene Fluoride PVDF Make sure that the model which you have selected is chemically compatible with the application media Enclosure While the sensor housing is liquid resistant the LVU700 series is not...

Page 9: ...ing the LVCN414 SW software configuration software 4 Configure Sensor with Push Button Section Four a Section 4 contains information on using the Push Button Display to configure the sensor 5 Install...

Page 10: ...peration of LVU700 series P N Max Range Dead Band Thread Fob Output Configuration LVU706 B 19 7 6m 8 20cm 2 NPT Not Included 4 20 mA Display with Push Button or LVCN414 SW software LVU706 Included LVU...

Page 11: ...es can be configured before installation or after installation The transmitter features non volatile memory so any settings configured before installation will not be lost when the sensor is powered d...

Page 12: ...e tank and any risers fittings structures or extensions associated with the tank or the installation see examples below The reference point for definition of the Sensor Height is always the bottom of...

Page 13: ...of the tank Note The ratio of height to diameter of the riser must be no greater than 2 1 Any higher and the sensor will target the inside wall of the riser Example 2 Dome Top Tanks Tank C has a tall...

Page 14: ...e installation of the sensor Be sure to understand the geometry directly underneath the sensor Cone or rounded bottom tanks will provide off angled surfaces that can reflect the ultrasonic sound energ...

Page 15: ...s i e inches feet gallons meters liters etc Tank A Tank B Tank C In the Tank A example the Sensor Height sets the 4mA to the bottom of the tank Fill Height sets the 20mA to the top of the straight sid...

Page 16: ...nt 3 Sensor Configuration a Configures Loop Fail Safe Output at Empty Startup Condition for the sensor 4 Dimensional Entry a Distance Mode default i Basic information for operation Sensor Height Fill...

Page 17: ...W software prior to plugging in the USB Fob LVU500 USB Please go to http www omega com ftp Click on Flow Level pH Environmental and Pressure Section and press on Products Select the LVCN414 folder Sel...

Page 18: ...eries Use only the Red Black Green and White wires The maximum cable distance between the computer and LVU700 series is 15 This only applies for configuring the LVU700 series Once LVU700 series is con...

Page 19: ...hand sensors installed in risers nozzles will result in a higher HEIGHT value The basic measurements Height and Fill H for configuration are described below 1 HEIGHT Sensor Height Distance from the b...

Page 20: ...neer at 833 484 6072 STEP 3 SENSOR CONFIGURATION Configures the Loop Fail Safe Output at Empty and Startup Condition for the sensor Note When connecting the sensor to the LVCN414 SW software you must...

Page 21: ...s refer to VOLUMETRIC CONFIGURATION on page 40 The two values Sensor Height and Fill Height below set the 4 20 mA current span for the sensor Both values will be set in the units shown under Height Un...

Page 22: ...To adjust these settings click on Volumetric Modes STEP 6 WRITE TO UNIT This LVCN414 SW software operation uploads configuration into the sensor Other features in the section include providing a custo...

Page 23: ...length including Feet Inches Centimeters or Meters 3 Set the Sensor Height HEIGHT a This is the empty setting 4mA for the tank 4 Set the Fill Height FILL H a This is the full setting 20mA for the tan...

Page 24: ...sensors installed in risers nozzles will result in a higher HEIGHT value The basic measurements Height and Fill H for configuration are described below 1 HEIGHT Sensor Height Distance from the bottom...

Page 25: ...U items will rotate through display 3 Use OK to choose a MENU item How to exit the TOP LEVEL MENU In TOP LEVEL MENU press OK when RUN appears STEP 2 SETTING THE UNITS OF MEASUREMENT UNITS 1 In the TOP...

Page 26: ...bottom of the tank 4 To enter the value press and hold OK for 3 seconds and release SAVED will display 5 Select EXIT to return to TOP LEVEL MENU Note The HEIGHT setting also determines the 4 mA curren...

Page 27: ...the bottom of the tank 4 To enter the value press and hold OK for 3 seconds and release SAVED will display 5 Select EXIT to return to TOP LEVEL MENU Note The Fill Height FILL H setting determines the...

Page 28: ...utput or LOST setting can be set to output a current of 4mA 20mA 21mA 22mA or Hold last known value During fail safe the display will read LOST 1 In TOP LEVEL MENU mode select OUTPUT 2 Select SAFE 3 S...

Page 29: ...side wall 4 Do not mount where obstacles will intrude on sensor s beam width a mount at least 3 from the side wall 5 Do not mount in a vacuum 6 Do not mount in the center of a dome top tank 7 In cone...

Page 30: ...Adapter Socket x Thread LVU800 2B shown Tank Adapter LVU800 3B w 3 x2 Reducer Bushing LVU800 3N40 Tank Adapter Thread x Thread Do not use thread x thread 2 Riser Installations with tall narrow risers...

Page 31: ...complete the installation 2 Flange w thread out of plane LVU800 2F 3 Flange LVU800 3F w Reducer Bushing LVU800 3N80 4 Side Mount Bracket For installations in open tanks and sumps use the LVM 30 serie...

Page 32: ...pipe should remain submerged at all times to prevent foam from entering the pipe e Cut a 45 notch at the bottom of the pipe Drill a 1 4 pressure equalization hole in the dead band f The pumps should...

Page 33: ...414 SW software and use the wiring diagram button to view the appropriate diagram Each configuration will have its own unique diagram The diagram shown above is only a sample and should not be used as...

Page 34: ...ERAL NOTES FOR ELECTRICAL CONNECTIONS USAGE AND SAFETY Where personal safety or significant property damage can occur due to a spill the installation must have a redundant backup safety system Wiring...

Page 35: ...his application To access the terminals gently remove the display from the housing When wiring is completed restore the display to the housing and replace the cover The LVU700 series can operate witho...

Page 36: ...VU700 series to common display controllers and PLC s LVCN 51 Series Level Controller JWA mode Factory Setting LVCN 51 Series Level Controller JWB mode Generic Loop Powered Display Generic PLC Refer to...

Page 37: ...d the sensor will output 20 mA during a fail safe condition Full The output will revert to the current value for a full condition When 4 mA at Bottom is selected the sensor will output 20 mA during a...

Page 38: ...tput will revert to the selected current value for an empty condition o 4 mA at Bottom The sensor will output 4 mA while the sensor powers up o 20 mA at Bottom The sensor will output 20 mA while the s...

Page 39: ...rtional to the volume of the tank not the height of the tank This means that the current output will track the volume of the tank in gallons or liters Depending on the shape of the tank the values may...

Page 40: ...t Units as Distance or Volume After choosing the Sensor Output Units select the units of measurement in the pull down to the left Units of Measurement Distance Volume Inches Cm Feet Meters Gallons Lit...

Page 41: ...tank to the top of the straight side wall Diameter Distance of the inside tank diameter Volume Tank Capacity Vertical Cylinder Example After entering the dimensions press the Capacity button to show t...

Page 42: ...tank to the bottom of the sensor Fill Height Distance from the bottom of the tank to the operational full level of liquid 20mA This setting defines the location of full current output and is the top...

Page 43: ...is a feature setting designed to help solve performance or operational issues for specific applications Changing these setting will alter the factory default performance or operation of your sensor I...

Page 44: ...LIQUID mode or the amount of air in the tank AIR mode This function does not influence the current output just the display on the sensor 1 In TOP LEVEL MENU mode select DISPLAY 2 Select LIQUID or AIR...

Page 45: ...hen use the REV MA setting to reverse the current output With REV MA set to NORM factory default 4mA will be at the bottom and 20 mA at the top of the tank With REV MA set to REV 20mA will be at the b...

Page 46: ...he level reading the output current can be preset in order to avoid any false alarms during this window The options for start up are 4mA 12mA 20mA or 22mA 1 In TOP LEVEL MENU mode select OUTPUT 2 Sele...

Page 47: ...t the following information a UNITS b DISPLY c REV MA d SAFE e HEIGHT f FILL H g START UP 4 Select EXIT to return to TOP LEVEL MENU DIAGNOSTIC DIAG PARAMETERS This mode runs diagnostic tests that conf...

Page 48: ...LVU700 series enables the end user to reset the entire configuration back to the original factory settings 1 In TOP LEVEL MENU mode select VALUES 2 Select RESET 3 Select YES a To cancel the reset Sel...

Page 49: ...connected to the computer Check that the LVU500 USB Fob is connected to the USB port Check that all four wires Red Black White and Green are securely attached to the Fob Check Device Manager and confi...

Page 50: ...iquid in the tank Change the DISPLAY mode from AIR to LIQUID or vice versa to correct Transmitter indicates a current of 0 mA Check the wiring for an open circuit An open circuit is the most common is...

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