Greyline Instruments SLT32 User Manual Download Page 23 | Manualshive

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ZERO POSITIONING OF SENSOR
- Open Channel Flow Applications

Locate the sensor at the position upstream from the throat of the flume or weir plate as recommended by
the manufacturer. A technique for accurate sensor height adjustment is shown:

SLT32 Level & Flow Monitor

Manual Series B.11

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Summary of Contents for SLT32

Page 1: ...USER S GUIDE Installation Operation Instructions Level Flow Monitor Model SLT32 Manual Series B 11 ...

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

Page 3: ...lizer 7 Password 7 Units Mode 8 Flume Selection 10 Calibration for Level 11 Calibration for Open Channel Flow 12 4 20mA Current Loop Offset 13 Rejection Time 13 Relay Parameters 14 Special Functions 16 Sensor Mounting Location Tank Level 18 Sensor Mounting Location Open Channel Flow 21 Enclosure Installation 24 Error Warning Messages 25 Field Troubleshooting 26 Installation Considerations In Noisy...

Page 4: ...power input between 100 130VAC 50 60Hz 2 amp fuse is recommended No adjustments are necessary for any voltage in this range Optional 230VAC requires power input between 200 260VAC 50 60Hz See OPTIONS section of this manual for connection of optional 12VDC or 24VDC power input IMPORTANT NOTE To comply with CSA NRTL standards AC power input and relay connection wires must have conduit entry to the i...

Page 5: ... MENU FLOW CHART The following diagram shows part of the SLT32 Menu system Arrows show the three directions to leave a box Pressing a corresponding keypad arrow will move to the next box in the direction shown Move the cursor or underline under numerals to increase or decrease the number with the Ç È keys At the bottom of each Menu column is a Store Yes box To store the calibration values permanen...

Page 6: ...lm HiAlm R1 on 0 00 ft R1 on 0 00ft3 s R1 OFF 0 00 ft R1 LOE Off On Pulse Temp R1on 0 00 ft3 R1on 0 00 C R1 0 00 OFF C R3 Function Off ALT 1 2 3 4 5 6 Store Yes Level Flow R1 Mode Pump LoAlm HiAlm R1 on 0 00 ft R1 on 0 00ft3 s R1 OFF 0 00 ft R1 LOE Off On Hold Hold Hold FLOW MODE ONLY V Y iew Codes es Tag 01 Date May 31 1999 Time 23 39 51 LOE Time 30 s Reset Tot Yes Temp 20 3 C º Min Temp 20 0 C º...

Page 7: ...ll only be enabled when the SLT32 is calibrated in FLOW mode From RUN use È or Ç keys to display Tot value The Totalizer value is updated every 2 seconds with flow volume 1 litre 0 264 USG The display will show up to 10 digits and then restart at 0 automatically Press È or Ç keys to return to RUN The totalizer can be reset to zero by going Æ to SPECIAL FUNCTION and È to Reset Tot RELAY STATUS DISP...

Page 8: ...to the target or liquid surface like a tape measure Range mode is useful to measure the exact distance from the sensor to the zero level during calibration or to monitor outage or free space in a tank Level mode can be used to measure tank level in linear units or Head height of flow in an open channel for comparison with a flume manufacturer s flow tables Vol Volume mode displays tank inventory i...

Page 9: ... Use È or Ç to change the digits or decimal point to enter the actual maximum volume you will be measuring Press Æ to return to MxVol and È You can enter values up to 6 digits e g 150 000 liters When the measured tank volume exceeds 4 digits the SLT32 will automatically display a multiplier on the lower alphanumeric display FLOW mode will offer the additional selection of time units s seconds min ...

Page 10: ...e size and units of flow measurement n describes the flume non linearity H is the level being measured Use the Greyline Utility program FIND K n exe to determine K and n constants from entered data Select CUSTOM for flumes or weirs not listed in the Menu At the K prompt enter a K constant At the n enter an n constant SLT32 Level Flow Monitor Manual Series B 11 Page 10 Store Yes CALIBRATION FLUME S...

Page 11: ... RANGE At CALIBRATION Press È to get to MinRg Press Æ to move the cursor under the digits Use È or Ç to set the minimum range Note MinRg must be 12 30 5 cm for PZ32T sensors and 16 40 6 cm for PZ52T sensors except in Hrt mode For correct tank volume calculation in Hrt mode MinRg must be the actual distance from the end of the sensor to the top of the tank any value 0 In Level or Range modes the SL...

Page 12: ...del 2 Check the maximum range with the sensor installed by a Use Æ to get to UNITS MODE then È to get to Range then Store Yes NOTE flow must be at zero flow or b Carefully measure distance from sensor to zero level with tape measure NOTE The SLT32 will not detect targets beyond user entered MaxRg SLT32 Level Flow Monitor Manual Series B 11 Page 12 MinRg 1 333 ft MaxRg 32 00 ft 4mA 0 00 20mA 100 00...

Page 13: ...mum is 99 If the SLT32 is unable to obtain repeated echoes the Damping setting will be automatically set to 1 by the instrument REJECTION TIME RejTime Rejection Time adjustment is a powerful SLT32 feature to suppress false echoes and the effects of transient targets such as agitators splashing or turbulence Rejection Time is shown in seconds The time value represents the number of seconds the SLT3...

Page 14: ...gh alarm Pump mode press È and Æ and set relay On and Off set points LoAlm mode press È and set relay On point Relay will be On with levels below this point HiAlm mode press È and set relay On point Relay will be On with levels above this point LOE press Æ to select Off Æ On Æ Hold In a loss of echo condition the Loss Of Echo relay will turn Off de energize On energize or Hold its current state Ea...

Page 15: ... relay can be individually configured Press È ALT permits relays calibrated in Pump mode to be alternated automatically Pump alternation allows even pump wear in pumping station applications ALT None indicates that no relays have been programmed in Pump mode ALT 123 Press Æ to place cursor underline under the relay number to be programmed for alternation and press Ç or È to highlight Repeat until ...

Page 16: ... 2 77 FLOW MODE ONLY V Y iew Codes es Tag 01 Date May 31 1999 Time 23 39 51 LOE Time 30 s Reset Tot Yes Temp 20 3 C º Min Temp 20 0 C º Max Temp 23 0 C º DISPLAY F C º º 1234567890123456 ISB o Yes N Defaults Yes Simul 0 00 4mA ADJ 4 000 20mA ADJ 20 000 New Password 00 Com 24 48 96 192 Store Yes ...

Page 17: ...rn to Temp ISB No Yes Select Yes only 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 Defaults Yes Press Æ 3 times to select Yes Store to erase all user settings and return instrument to factory default settings Simul The Output simulation ...

Page 18: ...from the liquid or material being measured Mount the sensor away from pipes ladders or structural members which might cause continuous false echoes SLT32 Level Flow Monitor Manual Series B 11 Page 18 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 BAD ...

Page 19: ...htened like a light bulb by turning the sensor stem only DO NOT use a wrench and do not over tighten DO NOT clamp the sensor below the isolation coupling SLT32 Level Flow Monitor Manual Series B 11 Page 19 SENSOR FACE MUST BE HORIZONTAL 1 1 FT 30 cm HORIZONTAL FROM SIDEWALL FOR EVERY 10 3 m VERTICAL NOTE 2 FT 60 cm FOR EVERY 10 3 m DEPTH ON APPLICATIONS WITH ROUGH SIDEWALLS LADDERS REINFORCING RIN...

Page 20: ...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 FILE PIPE EDGE ...

Page 21: ...The transducer should be centered above the flume approach section and mounted 12 30 5 cm minimum above the maximum liquid level depending on sensor model The transducer should be protected from physical damage and the transducer cable should be routed in a separate metal conduit Because the sensor is equipped with a temperature sensor it should be shielded from direct sunlight Use the PVC isolati...

Page 22: ...Diameter upstream from the throat of the flume Sensor height must be 12 30 5 cm depending on sensor model or more above the highest water level 3 V NOTCH WEIRS Position the sensor at 3 x maximum Head upstream from the weir plate Sensor height must be 12 30 5 cm depending on sensor model or more above the highest water level STILLING WELLS Stilling wells are recommended to reduce the effects of tur...

Page 23: ... Applications Locate the sensor at the position upstream from the throat of the flume or weir plate as recommended by the manufacturer A technique for accurate sensor height adjustment is shown SLT32 Level Flow Monitor Manual Series B 11 Page 23 ...

Page 24: ...ure cover 2 Insert 8 screws and washers through the four enclosure mounting holes to secure enclosure to wall or mounting stand 3 Close cover Additional conduit holes can be cut in the end of the enclosure when required Use a hole saw or Greenlee type hole cutter to cut the required holes Note This non metallic enclosure does not automatically provide grounding between conduit connections Groundin...

Page 25: ...st be greater than minimum range and less than102 ft 31 09 m Note to invert the scale and outputs choose Level instead of Range selection in the UNITS MODE menu 2 For Rectangular Weirs with End Contractions the SPAN MaxRg MinRg must be less than the weir size eg 12 crest width SPAN must be 6 or less or Your choice of Units exceeds 9 999 999 Use USMG d IMG d or m3 d so that Units will be 9 999 999 ...

Page 26: ...rty gasket intruding lower Sensor below stand pipe intrusion C E very turbulent flow in open channel increase RejTime CALIBRATION menu install stilling well on flume or weir C E very turbulent level in tank increase RejTime CALIBRATION menu change tank fill method Unit Picks Up Interference Due To A C noise from high pressure fill install submerged fill pipe A D sensor coupling over tightened hand...

Page 27: ... Due To Sensor Cable A C F open circuit check connections continuity 8850 to 12700 ohms max 30 C to 70 C B 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 RG62A U coaxial only C close to high voltage large motors C AC chassis ...

Page 28: ...r module from the chassis 3 Locate fuse on Power Board 4 Replace fuse with 2 Amp 250V 5 x 20mm fuse 5 Reinstall power module in the chassis POWER MODULE SLT32 Level Flow Monitor Manual Series B 11 Page 28 REMOVE REMOVE RELAY1 RELAY 2 RELAY 3 C L N G 4 20 C C N N N N N N C C O C O O AC ...

Page 29: ...can enter the instrument 1 Via the AC power input lines 2 Via the Sensor input line 3 Via the output lines relay connections and 4 20mA output Symptoms of RFI produced by relay activation If the instrument shows the following symptoms suspect RFI The Alphanumeric display bottom display blinks continuously as if power was being turn off and on i e instrument resets continuously Keypad does not resp...

Page 30: ...l conduit A two conductor shielded cable is recommended for the 4 20mA output the shield should be connected to chassis ground at the instrument only 3 For the relay connections one of most overlooked sources of trouble noise suppressors are recommended Also known as snubbers these devices will limit the large spikes produced when the relay opens stopping the RFI and also protecting the relay cont...

Page 31: ... Representative write to Greyline or phone the 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 http www greyline com Greyline Instruments Inc Canada USA 16456 Sixsmith Drive 105 Water Street Long Sault Ont K0C 1P0 Massena NY 13662 Page 31 ...

Page 32: ...ucts will 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 plast...

Page 33: ... 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 duration...

Page 34: ...ed 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 installation with a metal junction box is illustrated below Note Optional Watertight steel NEMA4 Junc...

Page 35: ...ocations and must be mounted in either the safe 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 SLT32 Level Flow Monitor Manual Series B 11 Page 35 T DUCER N O C N C N O C N C N O C N C RELAY 1 RELAY 2 RELAY 3 L N G AC RX PU GND TX RS 232 N O C N C N O C N C RELAY 4 R...

Page 36: ...an be factory equipped with an Enclosure Heater and Thermostat The Thermostat is factory set to turn ON at 40 F 4 5 C and OFF at 60 F 15 5 Power consumption is 15 Watts SLT32 Level Flow Monitor Manual Series B 11 Page 36 FACTORY CONNECTED TO AC POWER SUPPLY ...

Page 37: ...he sensor Allow a few seconds for the SLT32 to lock onto the target before displaying its distance The SLT32 will now display Range in ft or cm factory calibration CONNECTIONS POWER INPUT Connect only 12VDC 0 5 Amps to the and terminals for units marked 12V or 24VDC 0 5 Amps for units marked 24VDC The Power Input GND must be connected to the nearest Ground pole A 1 amp fuse in line is recommended ...

Page 38: ... 2000 Start 03 02 16 I s nterval 24 Hr Interval 12 Hrs I s nterval 1 Hr Time Event HiAlm LoAlm At 5 0 ft3 s StartJan 01 2000 Start 03 02 16 Interval 8 Hrs Interval 4 Hrs Interval 30 Sec Interval 10 Sec Interval 5 Sec Interval 2 Sec Interval 1 Sec Interval 30 Min Interval 10 Min Interval 5 Min Interval 2 Min Interval 1 Min STORING Reset Log Yes 26640 Hrs Left Store Yes WrapAround Yes ...

Page 39: ...r the time column HH MM SS 24 hour clock in Hours minutes seconds eg 23 02 16 and then È or Ç to set the logging start Time Press Æ to return to Start Press È to Interval and Æ to the Hrs column Press È or Ç to select the flow logging interval Choose from 24 Hrs or 12 Hrs or 8 Hrs or 4 Hrs or 1 Hrs Press Æ to return to Interval Press È and the SLT32 will report xxxxx Hrs Left indicating the amount...

Page 40: ...the Date column TODAYS DATE DAILY TOTAL DAILY AVERAGE MAX FLOW MAX FLOW TIME MIN FLOW MIN FLOWTIME PREVIOUS DATE PREVIOUS DATE PREVIOUS DATE PREVIOUS DATE PREVIOUS DATE The current day plus the past 255 days of data can be displayed Greyline Logger software will display up to 1300 days of data Trend Data Logging Setup From RUN STOP SETUP press Æ to SETUP and then È to Log Site ID 0 Press Æ to posi...

Page 41: ...g setup or press È from Store to cancel changes made above and exit without storing changes From the Data Logging Store Yes prompt the menu will return to RUN STOP SETUP Press Æ to position the cursor under RUN and press È to activate the Data Logger to start at your selected start Date and Time The SLT32 will display SESSION NO x Press È to return to DATA LOGGING Event based Trend Logging Event b...

Page 42: ...rt The SLT32 will display SESSION NO x Press È to return to DATA LOGGING Note Greyline Logger software cannot accurately calculate totals from event based log files Use trend logging format if totals must be calculated Logging Sessions Each time you select STOP in the DATA LOGGING menu the Data Logger stores the current data in memory as a SESSION NO automatically numbered from 1 to 10 If you resu...

Page 43: ... cable and optional Null Modem NM DB9M DB25M for connection to modem SLT32 Level Flow Monitor Manual Series B 11 Page 43 Greyline Instrument RS232 20 6 m cable included Detail INCLUDED RX RS 232 PU GND TX GREEN WHT BLK RED Wired as DCE Data Communication Equipment PIN 2 RX PIN 3 TX PIN 5 GND SHIELD CASE PU PULL UP PIN 6 DSR PU PIN 8 CTS PU 5 4 3 2 1 9 8 7 6 Detail DB9F DB25F Modem Modem Computer D...

Page 44: ...Communications Connection Setup menu select Connected to a Greyline 485OI 12V adaptor 485OI9TB 12V RS232 RS485 Converter Use with optional RS485 output for connection to a PC computer or modem Optically isolates and protects your computer s RS232 port Terminal block for RS485 connections Operates from 2400 up to19 2K baud DB9M DB9F RS232 Cable Connects RS232 485 Converter to a PC Cable length 6 ft...

Page 45: ...OR SUNSCREEN OPTION PZS Page 45 SLT32 Level Flow Monitor Manual Series B 11 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 condensation...

Page 46: ...asonics 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 Flow Monitor includes a built in temperature sensor The SLT32 automatically compensates for temperature fluctuations to re...

Page 47: ...ROM 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 48: ...0 F 20 to 60 C Optional Enclosure Heater recommended for condensation protection below 32 F 1 C Standard Sensor PZ32T Maximum Range 32 ft 10 m Deadband blanking Programmable minimum 12 305 mm Beam Angle 8 at 3 DB Temperature Compensation Automatic continuous 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 m...

Page 49: ...52T Maximum Range 50 ft 15 6 m Deadband blanking Programmable minimum 16 406mm Beam Angle 8º at 3 DB Temperature Compensation Automatic continuous Operating Frequency 40 KHz Exposed Materials PVC and Teflon Operating Temperature 40 to 150ºF 40 to 65ºC Operating Pressure 20 psi 1 35 Bar maximum Mounting NPT Isolation Coupling supplied Sensor Cable RG62Au coaxial 50 ft 15 m standard Hazardous Rating...

Page 50: ...KHz Beam Angle 8 Operating 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...

Page 51: ...ure Compensation 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 I...

Page 52: ... NOTE The SLT32 will not detect targets beyond user entered MaxRg SLT32 Level Flow Monitor Manual Series B 11 Page 52 MIN RANGE MUST BE 12 in 305 mm OR MORE C B A CALIBRATION MODE RANGE LINEAR STORE RUN CALIBRATION MODE VOLUME MAX RG STORE RUN LEVEL HRT MAX VOL MIN RG Use for Vertical Tanks Program MIN RANGE then MAX RANGE via A B MAX RANGE ___ ___ ___________ A B C MIN RANGE ___ ___ ___ _________...

Page 53: ...B MIN RANGE ______ ______ ____________ NOTE The SLT32 will not detect targets beyond the user entered MaxRg Page 53 SLT32 Level Flow Monitor Manual Series B 11 A B SENSOR MIN RANGE MUST BE 12 in 305 mm OR MORE UNITS SELECTION ft in m cm RANGE STORE YES Program SLT32 to show RANGE via CALIBRATION MODE MIN RANGE MAX RANGE STORE YES Program MIN RANGE then MAX RANGE via ...

Page 54: ...n 0 00 C R1 0 00 OFF C ALT 1 2 3 4 5 6 Store Yes Level Flow R1 Mode Pump LoAlm HiAlm R1 on 0 00 ft R1 on 0 00ft3 s R1 OFF 0 00 ft R1 LOE Off On Hold Hold Hold Range Level R1 Function Off R2 Function Off R3 Function Off SPECIAL FUNCTION SLT32 V 2 26 Tag 01 Date May 31 1999 Time 23 39 51 LOE Time 30 s Reset Tot Yes Temp 20 3 C º Min Temp 20 0 C º Max Temp 23 0 C º DISPLAY F C º º V Y iew Codes es 12...

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