Greyline Instruments LIT25 User Manual Download Page 13 | Manualshive

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RANGE DISPLAY

From Normal Mode press

Ç

Displays distance from the Sensor to Target.
Use to check measurements during calibration.

(RANGE and UNITS flash.)

Note: The LIT25 will not detect targets beyond the user entered maximum range.

TEMPERATURE DISPLAY

Displays temperature in degrees Centigrade
measured at the Sensor.

TEMPERATURE LOG

Displays maximum temperature in degrees
Centigrade measured at the Sensor.

From normal Temperature display, press and hold

È

then

Ç

.

Page 13

LIT25 Level Indicating Transmitter

Manual Series 3.5.1

Ç

RANGE

CM

RETURN TO
NORMAL MODE

RETURN TO
NORMAL MODE

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Summary of Contents for LIT25

Page 1: ...USER S GUIDE Installation Operation Instructions Level Indicating Transmitter Model LIT25 Manual Series 3 5 1 ...

Page 2: ...Note This page has been left blank intentionally ...

Page 3: ...sponible en español Page 3 LIT25 Level Indicating Transmitter Manual Series 3 5 1 INDEX Bench Test 4 Connections 4 Calibration System 6 Menu 7 Calibration Units Selection 8 4mA Calibration 9 Signal Relay 10 Damping 11 Echo Loss Response 11 Output Simulation 12 Store Save Calibration 12 Temperature Indication 13 Enclosure Installation 14 Sensor Mounting 15 Error Warning Messages 18 Troubleshooting ...

Page 4: ...IONS POWER INPUT The standard model requires AC power input between 100 to 130VAC 50 60Hz 1 amp fuse is recommended No adjustments are necessary for any voltage in this range Option EI rating is 100 240VAC 50 60Hz See OPTIONS section of this manual for connection of optional 24VDC power input IMPORTANT NOTE To comply with CSA NRTL standards AC power input and relay connection wires must have a wat...

Page 5: ...se a screwdriver to knock out conduit entry points at bottom of enclosure Use one entry for power input and relay wires Use separate entry for 4 20mA and sensor cable Page 5 LIT25 Level Indicating Transmitter Manual Series 3 5 1 ...

Page 6: ... the LIT25 Menu system Arrows show the directions to leave a box Pressing a corresponding key will move to the next box in the direction shown Numeric values are changed by pressing and holding the Ç or È keys At the bottom of the Menu is a YES prompt To store the calibration values permanently even through power failure press the Ç key If the È key is pressed from the YES prompt no changes will b...

Page 7: ... press C Ç È and to adjust Set Points in Units selected or DAMPING 0 20 SECS Press to Adjust Ç RELAY OPERATION CHOICE Press Ç to select 1 Level Alarm 2 Level Echo Loss 3 Echo Loss Only 4 Temperature Alarm 5 Off 13 13 8 8 9 10 11 11 12 12 See Page YES C S 0 0 OPSL ELC 1 CM YES NO ECHO LOSS CHOICE 4 20mA OUTPUT Press to Select action when echo lost 1 Hold 2 Go to 4mA 3 Go to 20mA Ç OUTPUT SIMULATION...

Page 8: ...e 8 LEVEL CM Flashes when good echoes are received ON Relay energized OFF Relay de energized When Calibrated for 20mA at Minimum Range Maximum Level ECHO RELAY When Calibrated for 20mA at Maximum Range 20mA 20mA 4mA 4mA Ç Ç Ç PERCENT INCHES CM PERCENT INCHES CM È 4 20mA CALIBRATION Echo light keeps flashing to show instrument still operating ...

Page 9: ... the sensor Calibrate in RANGE mode by setting 20 to the maximum distance from the sensor Page 9 LIT25 Level Indicating Transmitter Manual Series 3 5 1 È 20 È È È 761 9 761 8 761 7 Ç Ç Ç 762 1 762 2 762 3 The Display will alternate between every 3 seconds MAXIMUM VALUES 600 inches 1524 cm MINIMUM VALUES 8 inches 20 3 cm MINIMUM SPAN distance between 4 and 20 2 5 cm and RANGE Outage 4mA 20mA 12 30 ...

Page 10: ...all times Press Ç to select the ROC RELAY CALIBRATION ROC1 Level Alarm ROC2 Level Echo Loss Alarm Relay will be energized when the Relay ON set point is reached or if the echo is lost no echoes for more than 20 seconds ROC4 Temperature Alarm Minimum Set Point 40 C 40 F Maximum Set Point 100 C 212 F NOTE The Set Points are displayed in the units selected at CALU Two different Set Points RON and ROF...

Page 11: ...ly when the instrument is equipped with an optional Intrinsic Safety Barrier for sensor mounting in hazardous locations This setting compensates for the electrical characteristics of an Intrinsic Safety Barrier ECHO LOSS RESPONSE If no echoes are received for 20 seconds or longer the 4 20mA output can be programmed to respond as follows ELC1 Hold last reading ELC2 Output 4mA ELC3 Output 20mA When ...

Page 12: ...f your calibrated span Increments will automatically accelerate when Ç or È is continuously pressed TO STORE SAVE CALIBRATION Press Ç to Store calibration LIT will display C S Calibration is stored in non volatile memory even through power interruptions Press È to return to NORMAL mode without storing any changes Page 12 LIT25 Level Indicating Transmitter Manual Series 3 5 1 È È 721 4 721 3 Ç Ç Ç ...

Page 13: ...s beyond the user entered maximum range TEMPERATURE DISPLAY Displays temperature in degrees Centigrade measured at the Sensor TEMPERATURE LOG Displays maximum temperature in degrees Centigrade measured at the Sensor From normal Temperature display press and hold È then Ç Page 13 LIT25 Level Indicating Transmitter Manual Series 3 5 1 Ç RANGE CM RETURN TO NORMAL MODE RETURN TO NORMAL MODE ...

Page 14: ...wall or mounting stand 3 Replace Cover An additional conduit hole can be cut in the end of the enclosure if required Use a screwdriver to knock out additional holes Note 1 This non metallic enclosure does not automatically provide grounding between conduit connections Grounding must be provided as part of the installation Ground in accordance with the requirements of the National Electrical Code S...

Page 15: ...nsor below the isolation coupling The standard PZ32T Sensor must be mounted 12 30 48 cm or more above the maximum liquid level Optional PZ12 sensor must be 8 20 3 cm above maximum level and optional PZ52T sensor must be 16 406 mm above maximum level Page 15 LIT25 Level Indicating Transmitter Manual Series 3 5 1 1 FT HORIZONTAL FROM SIDEWALL FOR EVERY 10 FT VERTICAL NOTE 2 FT FOR EVERY 10 FT DEPTH ...

Page 16: ...NT ISOLATION COUPLING SUPPLIED MUST BE USED DO NOT CLAMP IN THIS AREA 3 4 CONDUIT CONDUIT MOUNT Notes 1 Use the NPT Isolation Coupling supplied and only Do not clamp sensor body or stem 2 Locate the sensor 1 ft 30 cm from the sidewall or obstruction for every 10 ft 3 m depth 3 mount in direct sunlight 4 Extend sensor cable up to 500 ft 150 m with RG62AU coaxial only hand tighten Do not GRIND OR FI...

Page 17: ...he liquid or material being measured Mount the sensor away from pipes ladders or structural members which might cause continuous false echoes Page 17 LIT25 Level Indicating Transmitter Manual Series 3 5 1 SENSOR MOUNTED AWAY FROM MATERIAL PATH COARSE SOLIDS WILL USUALLY RETURN AN ECHO EVEN IF AT AN ANGLE FINE POWDERS MAY NEED SENSOR TILTED NORMAL TO SURFACE TO OBTAIN GOOD ECHOES SOLIDS AND POWDERS...

Page 18: ...e target is above the calibrated maximum level too close to the Sensor Indicates target is further than the calibrated Maximum Range Indicates that the LIT25 has experienced electrical interference strong enough to corrupt the memory The LIT25 must be reset and recalibrated Reset will clear all memory LIT25 will need recalibration after this procedure Press and hold Reset Procedure 1 and until the...

Page 19: ...narrow dirty gasket intruding lower Sensor below stand pipe intrusion D E agitator strong turbulence increase Damping C material filling through sensor beam increase Damping Unit Picks Up Acoustic Interference Due To A C noise from high pressure fill install submerged fill pipe A D sensor coupling over tightened hand tighten only like a light bulb A D sensor coupling not used use isolation couplin...

Page 20: ...ntrols relocate or use metal enclosure Wiring Problems Due to Sensor Cable C F open circuit check connections continuity 8850 to 12700 ohms max 30 C to 70 C F short circuit check connections continuity 8850 ohms min F too long max 500 ft 150 m C bundled run in conduit with power cable C sensor ground shorted to conduit enclosure insulate A extended with wrong type of wire use only RG62AU coaxial C...

Page 21: ...eshooting Resistance measured across the coaxial cable ends between the shield and centre wire by mulitmeter indicates ambient temperature Resistance vs Temperature Page 21 LIT25 Level Indicating Transmitter Manual Series 3 5 1 ...

Page 22: ...Applications Hotline below United States Tel 315 788 9500 Fax 315 764 0419 Canada Tel 613 938 8956 Fax 613 938 4857 Toll Free 888 473 9546 Email info greyline com Web Site www greyline com Greyline Instruments Inc Canada USA 16456 Sixsmith Drive 105 Water Street Long Sault Ont K0C 1P0 Massena NY 13662 Page 22 LIT25 Level Indicating Transmitter Manual Series 3 5 1 ...

Page 23: ... not be serviced and will be returned to the sender at their expense 1 Rinse sensor and cable to remove debris 2 If the sensor has been exposed to sewage immerse both sensor and cable in a solution of 1 part household bleach Javex Clorox etc to 20 parts water for 5 minutes Important do not immerse open end of sensor cable 3 Dry with paper towels and pack sensor and cable in a sealed plastic bag 4 ...

Page 24: ...along with a copy of your invoice This warranty does not cover damages due to improper installation or handling acts of nature or unauthorized service Modifications to or tampering with any part shall void this warranty This warranty does not cover any equipment used in connection with the product or consequential damages due to a defect in the product All implied warranties are limited to the dur...

Page 25: ...ired during installation No adjustment is required when the sensor cable is extended or shortened Use only RG62AU or RG62U coaxial cable which is available from Greyline Instruments or your local distributor Nominal impedance of RG62AU cable is 93 ohms Extended sensor cable must be installed in metal conduit to prevent interference Do not use BNC coaxial connectors TV cable type Recommended instal...

Page 26: ... or Div 2 area Barriers may be plate busbar or rail mounted Intrinsic Safety Barrier Specifications Certified rated 17 5V max 95 ohms min Recommended Stahl Model 9001 02 175 200 10 Page 26 LIT25 Level Indicating Transmitter Manual Series 3 5 1 GREYLINE INSTRUMENT INTRINSIC SAFETY BARRIER SHIELD GREEN TDR WHITE HAZARDOUS LOCATION CLASS I GROUPS C D CLASS II GROUPS E F G CLASS III NOTE MUST BE BARRI...

Page 27: ...he sensor steadily and aiming at a flat stable target 12 to 28 305 to 711 mm away from the end of the sensor Allow a few seconds for the LIT25 to lock onto the target before displaying its distance The LIT25 will now display Range Distance in inches or cm CONNECTIONS POWER INPUT Connect only 24VDC 0 5 Amps or 12VDC to the and terminals The Power Input GND must be connected to the nearest good Grou...

Page 28: ... 4 137 2 mm 1 75 44 45 mm Option PM2 Enclosure Panel Mount INSTRUCTIONS Mark Panel using Flange as a Template Cut Panel outside the line HOLE CENTRES PANEL CUT OUT HOLE CENTRES Z BRACKET QTY 2 INCLUDED WITH MOUNTING SCREWS FLANGE PANEL Z BRACKET INSTRUMENT ENCLOSURE NEMA4X IP67 INSTALLATION FLANGE QTY 1 INCLUDED MATERIAL 0 062 ALUMINUM FINISH CLEAR IRIDITE ...

Page 29: ...SCREEN OPTION PZS LIT25 Level Indicating Transmitter Manual Series 3 5 1 Page 29 Note Exposure to direct sunlight can cause overheating and moisture condensation which will reduce the operating life of electronics Protect Instruments from direct sunlight with this iridite finished aluminum sun screen Greyline Option SCR Seal conduit entries with caulking compound to further reduce moisture condens...

Page 30: ...s where heavy concentrations of dust are expected ultrasonics may not work Where moderate dust is encountered care should be taken to mount the sensor in a position where dust accumulation will be minimized and where the sensor can be cleaned if necessary SENSOR TEMPERATURE The standard sensor model PZ32T supplied with each Level Indicating Transmitter includes a built in temperature sensor The LI...

Page 31: ...IDE FROM TO MULTIPLY BY US GALLONS CUBIC FEET 0 1337 US GALLONS IMPERIAL GALS 0 8327 US GALLONS LITRES 3 785 US GALLONS CUBIC METERS 0 003785 LITRES SEC GPM 15 85 LITRES CUBIC METERS 0 001 BARRELS US GALLONS 42 BARRELS IMPERIAL GALS 34 9726 BARRELS LITRES 158 9886 INCHES MM 25 4 DEGREES F DEGREES C F 32 x 0 556 POUNDS KILOGRAMS 0 453 PSI BAR 0 0676 FOOT METER 0 0929 ...

Page 32: ...r input Operating Temperature 13 to 140 F 25 to 60 C Electronics Standard Sensor PZ32T Maximum Range 32 ft 10 m Deadband blanking Programmable minimum 12 305 mm Beam Angle 8 Operating Frequency 42 KHz Exposed Materials PVC and Teflon Operating Temperature 40 to 150 F 40 to 65 C Operating Pressure 20 psi 1 35 Bar maximum Mounting NPT PVC isolation coupling supplied Sensor Cable RG62AU coaxial 25 ft...

Page 33: ...band 16 in 406 mm Operating Frequency 40 kHz Beam Angle 8º Temperature Compensation Automatic continuous Operating Temperature 40 to 150ºF 40 to 65ºC Max Operating Pressure 20 psi 1 35 Bar Sensor Face Teflon Sensor Housing PVC Sensor Mounting NPT Isolation Coupling supplied Sensor Cable 50 ft 15 m continuous Maximum Cable Length 500 ft 152 m Hazardous Rating CSA rated Intrinsically Safe Class I Gr...

Page 34: ...perating Temperature 40 to 150 40 to 65 C Temperature Compensation Automatic continuous Max Operating Pressure 20 psi 1 35 bar Sensor Face Teflon Sensor Body PVC Mounting NPT Cable Length 25 ft 7 6 m continuous RG62AU coaxial Optional 50 ft 15 m continuous Max Cable Length 500 ft 152 m RG62AU coaxial splice Hazardous Rating CSA rated Intrinsically Safe Class I Groups C D Class II Groups E F G with...

Page 35: ...mpensation Automatic continuous Operating Temperature 40 to 150ºF 40 to 65ºC Maximum Operating Pressure 20 psi 1 35 Bar Sensor Face Teflon Sensor Body PVC not exposed to tank contents Cable Length 25 ft 7 6 m continuous RG62AU coaxial Optional 50 ft 15 m continuous Maximum Cable Length 500 ft 152 m RG62AU coaxial splice Hazardous Rating CSA rated Intrinsically Safe Class I Groups C D Class II Grou...

Page 36: ... oc1 20 4 123 4 CALU 638 6 LEVEL CM PERCENT INCHES CM RANGE CM 23c 3 5 1 2 4 YES C S OPSL ELC 1 YES NO Sb n LIT25 Calibration Record SERIAL _________________ DATE ____________________ Circle Selected Units and Enter Values in the Blank Spaces 23c PERCENT INCHES CM PERCENT INCHES CM ...

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