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LRWMANUAL 0918

KAM CONTROLS, INC.

K A M L R W O P E R AT I O N

CONFIGURATION

FIG. 4-1

RealTerm software is used for testing and calibration of the LRW. RealTerm is available as a free download.

To download RealTerm, go to http://sourceforge.net/projects/RealTerm/ and click on download button.

Follow on screen instructions to install RealTerm.

If you haven't already done so, connect the RS232 cable to the LRW board as shown on page 9, FIG. 3-9 of

this manual.

Connect the other end of RS232 cable to the serial port of your computer. An RS232 cable for connecting

your PC to the LRW has been supplied with the LRW as well as a USB adaptor in case your computer does

not have an RS232 serial port.

Open RealTerm software. A window will open as shown in FIG. 4-1.

The window will automatically default to the "Display" tab. Click on the up arrow beneath the "Cols" window

until the number reaches 120. Do not attempt to type the number in as this will result in an error message. If

you receive the error message you must close RealTerm and reopen.

Display

tab

Click until value reaches "120"

Содержание Simple Precision LRW

Страница 1: ...LOW RANGE WATERCUT TEL 1 713 784 0000 FAX 1 713 784 0001 Email Sales Kam com KAM CONTROLS INC 3939 Ann Arbor Drive Houston Texas 77063 USA www KAM com User Manual LRWMANUAL 0918 An ISO 9001 certified...

Страница 2: ...guration 15 Data capture 19 Calibrating the LRW 21 Calibration with lab results 23 Output process values 24 Density input reconfiguration 24 5 Maintenance 27 Cleaning Inspection 27 6 Troubleshooting 2...

Страница 3: ...pipelines with included static mixer and manual draw off valve LRW fixed insertion for pipelines 3 and up 2 3 or 4 flanged process connection LRW insertable retractable for pipelines 3 and up 2 3 or...

Страница 4: ...e in density across the entire API gravity range Compensation is based on a density input from a mass flow meter or densitometer and all compensation is automatic This is paramount in situations where...

Страница 5: ...y RS232 ASCII calibration and diagnostics only RS485 Modbus Input 4 20 mA for density Density Correction AnyDensity compensates for changes in fluid density across entire API gravity range requires de...

Страница 6: ...the pipeline is heated that the heating trace be extended to include the LRW If the pipeline is not going to flow for extended amount of time and the pipe is not heated then LRW should be taken out to...

Страница 7: ...opening ball valve is used to isolate the LRW sensor from the pipeline during installation or removal The seal housing of the LRW sensor allows the probe to be inserted and removed from the pipe under...

Страница 8: ...Screws on the locking collar Push LRW sensor in until the mark is at the top edge of the locking collar Ensure that LRW flow indicator is aligned with pipeline flow direction FIG 3 7 5 MID 6 7 8 FIG 3...

Страница 9: ...Socket Cap Screws on the Lock Down Collar Slide the LRW sensor upward until the probe rests inside the seal housing There is a mechanical stop when the unit is fully retracted Retighten the Socket Ca...

Страница 10: ...CHS POWER POWER FIG 3 9 WIRING DIAGRAM 4 20 mA current loop output LCD connector Density input 4 20 mA Digital relay output open drain max 50 W Power input 12 24 V Chassis connection RS232 serial conn...

Страница 11: ...ing diagnostics it is recommended operators permanently wire an RS232 connection to the instrument with corresponding 9 pin connection at junction box for PC connection Operators should take all possi...

Страница 12: ...ING THE 4 20 mA and power supply can not be the same or connected togeather 24VDC POWER SUPPLY POWER POWER 4 20 4 20 WRONG WIRING LRW PROVIDES POWER FOR THE 4 20mA loop adding external power can damag...

Страница 13: ...12 RECEIVER INPUT POWER SUPPLY 24VDC POWER POWER 4 20 4 20 4 20 mA ISOLATOR INPUT OUTPUT WITH ISOLATOR LRW I N S TA L L AT I O N c o n t i n u e d TYPICAL POWER AND LOOP WIRING CONFIGURATIONS FIG 3 1...

Страница 14: ...NG DENSITY WIRING Density meter provides power for the 4 20mA output DENSITY IN GND LRW OUTPUT DESITY METER DESITY METER OUTPUT LRW DENSITY IN GND 2ND RECEIVER POWER SUPPLY OUTPUT 1 OUTPUT 2 POWER IN...

Страница 15: ...SITY IN GND LRW POWER IN OUTPUT 2 POWER SUPPLY LRW DENSITY IN GND 4 20mA Signal Splitter 4 20mA Input OUTPUT 1 DENSITY WIRING Where density meter 4 20mA output requires external power DESITY METER OUT...

Страница 16: ...IG 3 9 of this manual Connect the other end of RS232 cable to the serial port of your computer An RS232 cable for connecting your PC to the LRW has been supplied with the LRW as well as a USB adaptor...

Страница 17: ...b FIG 4 2 and then configure setting to match below Baud 115200 Parity None Data Bits 8 Stop Bits 1 Hardware Flow Control 1 Port Select port number assigned to your serial port or USB port connected t...

Страница 18: ...o n t i n u e d If not already turned on turn on power to LRW The initial greeting message will appear if the unit is newly powered up FIG 4 3 7 Click on the Send tab and select first four boxes under...

Страница 19: ...capture function See next page 19 for instructions FIG 4 5 Column 1 percent water Column 2 minimum voltage V Column 3 maximum voltage V Column 4 minimum frequency Hz Column 5 frequency offset Hz Colu...

Страница 20: ...ow will open If a folder is not already selected choose a folder and click open Name the data file and save to selected folder FIG 4 7 Click on Open Press the Start Overwrite button The screen will cl...

Страница 21: ...R AT I O N c o n t i n u e d DATA CAPTURE IN REALTERM CONTINUED While capturing data the Capture window turns red FIG 4 8 Press Stop Capture to stop data capturing The saved file can be opened either...

Страница 22: ...r content from the three samples Average the water content from the three LRW screen shots first data column Check the current reading of the LRW in RealTerm Subtract or add the value of the differenc...

Страница 23: ...reading 0 11 high Current reading 3 0 To adjust the LRW the reading needs to be lowered by 0 11 3 0 0 11 2 89 This is the new value to be entered into the LRW K A M L R W O P E R AT I O N c o n t i n...

Страница 24: ...a sample is drawn note or take a screen shot of the current LRW reading in the RealTerm window Send the samples to the lab for water content determination Once results have been received from the lab...

Страница 25: ...s parameters will be displayed FIG 4 14 1 2 FIG 4 14 Density input values are configured at the factory according to information provided by the customer These values must match output values from the...

Страница 26: ...end ASCII To change the values enter den4 4mA Density value and den20 20mA Density value and then click send ASCII For instance if the desired low end of the range was 0 8 g cm3 and the desired high e...

Страница 27: ...nter api4 4mA Density value API and api20 20mA Density value API and click on Send ASCII For instance if the desired low end of the range was API 20 and the desired high end of the range was API 70 yo...

Страница 28: ...cloth with oil solvent or part washer Preferred solvents include any petroleum solvent such as mineral spirits xylene toluene gasoline or diesel Do not use WD40 or other chemicals If you have a questi...

Страница 29: ...d FIG 6 2 and set LCD display plate aside Remove the four 4 screws on the Terminal PCB with a Phillips screwdriver FIG 6 2 Carefully pull the Terminal Board away from the Processor board by firmly hol...

Страница 30: ...is range check the field power supply and bring it within the limits above Check again If it is still not within limits contact KAM Controls for further assistance If the voltage across the input powe...

Страница 31: ...W supplies power for the loop Make sure the device that receives data from the LRW does not have a power source of its own switched on Also the LOOP and LOOP are isolated inputs from the chassis earth...

Страница 32: ...teps 1 through 4 on the previous section Loop Troubleshooting to access the terminal board of the LRW Check the RS232 wires connected to the LRW terminals for damage and ensure they are installed as p...

Страница 33: ...RE HIGH ALARM BOOLEAN 3 TEMPERATURE LOW ALARM BOOLEAN 4 WATER CONTENT IN 32 BIT FLOAT 42000 RTD_TEMPERATURE 32 BIT FLOAT 42001 BOARD TEMPERATURE 32 BIT FLOAT 42002 API GRAVITY 32 BIT FLOAT 42003 DENSI...

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