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Manual FMI 3.31 UK

1. Picture 46 Overview of practical linear regression User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 44 The practical linear regression result can now be entered into the product program In order to do so select edit product and select the product program for which the calculation was done and then select practical method SELECT LINEAIR REGRESSION PRACTICAL METHOD Picture 47 Select linear regression method Now enter the outcome for moisture 1 and moisture 2 respectively WISHED MOISTURE CONTENT 1 VALUE END Y A CLR OK Picture 48 Practical linear regression settings The edited product program now contains the optimized calibration data provided the option save was chosen under option end Linear regression Theoretical method Linear regression draws a straight line between the Y value determined through the drying oven process and the X value as measured with the FMI system The formula for linear regression is Yi2a X b Y is the i value for Y and X the i value for X The expected Y for a given X is b a X The offset intercept is b this is the expected value of Y when X0 The gain slope is a this is the increment of Y for a given X User manual FM
2. User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 25 Enter the value of the reference block and press OK Before the reference block can be measured the system must first be zeroed In order to do this the sensor may not contain any wood or the reference block 3 3 4 Pin code screen If the FMI system is not set correctly the measurements may be corrupt To prevent anyone from being able to change product programs or settings the FMI system offers the option of screening the most important functions through a pin code This pin code is entered in the pin code screen ENTER NEW PIN CODE Picture 41 Entering the pin code Entering the pin code The pin code may comprise a maximum of 10 figures The pin code screen appears with the options new product edit product delete product basic settings and edit the reference settings When an incorrect pin code or when no pin code is entered the measurements screen is displayed without any settings having been changed When a new pin code is entered it has to be entered twice as confirmation When a pin code is to be changed the old pin code must first be entered In order not to activate the pin code system nothing must be entered when prompted to enter a new pin code This sele
3. FMI Sensor s s NUmber DE SENSO gcc av eee tao ode SUC m E eiae eR p Reference block s is eI Ree e IPSE s Serial number s 2o aS oaa e PU AS sa Mea e Hardware version s 0 0 cc ers e Software version s 2 2 Enos ty eo e aco EC ER ee e ata FMI Settings Langudge ocaccertecabav op n a eee ees Seve eee d E VR es e Date and Time European date 00 yes no e FMI configuration Display mode 000 0 1 e FMI configuration Alarm output e Machine configuration Unit m min or feet min e Machine configuration Feeding direction left right e Machine configuration Speed 0 0 eee eee e Machine configuration Sensitivity 0 0 2 Seidl QUIDUE x 2 iy oa eee wa dee ba eee Printer Terminal e Terminal output thode z i nasce Rin re RERO ERREUR bh wae FMI Serial communication e 9600 Baud 8 Data bits No parity 1 Stop bit User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 58 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 36
4. METRES MIN Picture 30 Unit for speed of the wood INPUT DIRECTION INPUT RIGHT END y A OK Picture 31 Feeding direction User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 21 This setting is for the longitudinal sensor only ENTER SPEED OF THE WOOD 30 M MIN Picture 32 Setting the speed of the wood Mark The length marked for wood which is either too wet or too dry is related to the speed of the wood set The sensitivity of the length of wood to be measured is related to the speed of the wood set When the wood speed is variable the highest possible wood speed is entered for wood speed SENSITIVITY 50 MM Picture 33 Setting the sensitivity Sensitivity The sensitivity suppresses for the influence of knots and finger joints in the wood The sensitivity is the length or width of the wood of which the FMI calculates the average wood moisture content When the speed of the wood varies the sensitivity is entered in this screen for the length of which the FMI calculates the average moisture content at the highest wood speed The maximum value for the sensitivity may not be more than half the board length longitudinal or half the board width transversal User manual FM
5. PRODUCT I 1 Select product New product t Delete product Print alt products r I I Calibrate Statistics End NOYES Save new values Calibrate INO YES proc Picture 45 Edit product program User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 38 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 39 Appendix FMI calibration Each product program in the FMI system must be calibrated to the correct wood moisture content Since wood is a natural product of inhomogeneous composition variations in the electrical conductivity and capacity may occur even in wood samples of the same wood type with identical moisture content and temperature Electrical moisture meters measure the wood moisture content locally You must ensure that the moisture content of the wood to be measured is distributed homogeneously This means that large differences in moisture may not
6. The new value set for the specific weight remains in force as long as the product program chosen is active However the calibrated product program remains unedited 3 3 1 b New product When a new product is chosen the cursor automatically moves to the next product number which has not yet been programmed The procedure for programming a new product program is explained in the appendix Product programs SELECT PRODUCT 1 PINE 38 200 12 0 20 0 2 FIR 40 75 7 5 12 5 3 FIR 40 90 7 5 12 5 4 OAK 20 120 7 5 12 5 5 6 7 8 9 10 END yy y A AA OK Picture 16 New product 3 3 1 c Edit product When it appears that a product program needs to be edited because for instance the measurements are incorrect the name is incorrect a new calibration procedure has to be carried out or for whatever reason the User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 option edit product must be chosen must be chosen using the cursor keys 15 The product program to be edited SELECT PRODUCT PINE FIR FIR OAK CODIADUNBWNE pu END YN Y Picture 17 Edit product 38 200 12 0 20 0 40 75 7 5 12 5 40 90 7 5 12 5 20 120 7 5 12 5 AA OK The product program chosen is activated by pressing the OK key Now the
7. the values of the statistical screen can be edited for the corresponding product program INPUT STATISTICAL VALUE VALUE 1 Picture 44 Setting of statistical values With DEFAULT the standard settings are chosen By keying the arrow key the selection MANUAL can be selected With OK the selection will be made 5 2 3 Ax B Correction If it appears that the measurements of the FMI system can be further optimized the FMI system offers the option of correcting calibrations already saved by means of an amplification factor A and an offset factor B The mathematical procedure for this is known as linear regression The FMI system allows this procedure to be carried out automatically The measurement optimization appendix explains this on the basis of User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 37 measurement results and the linear regression function As long as the values for A and B are 1 00 and 0 00 respectively no correction has taken place When a product program is calibrated the values for A and B will be set to 1 00 and 0 00 automatically 5 2 4 Overview edit product program In the following diagram all the actions required to edit a product program are indicated MENU Menu screen
8. 2 0000 00 32 5 1 6 Minimum wood moisture content key 32 5 1 7 Maximum moisture content key 00055 32 5 1 8 Enter Statistical screen 0 0 0 00000 32 5 1 9 Select marker method 00 0000s 33 5 1 9 a Average marker method 0 0000 es 33 5 1 9 b Peak value marker method 005 33 5 1 9 c Real time marker method LLn 33 5 1 10 Calibration number key 20 0 0c eee eens 33 5 1 11 Select calibration method 0 00 eee 33 5 1 11 a Automatic calibration method 34 5 1 11 b Manual calibration method 34 5 112 LOUO 4 o dsnoiu oh enced CN grate d noo ETE SPA ERE d 34 5 1 13 Key in wood moisture content then place wood in sensor 34 5 1 13 a Automatic wood feed 0 eee 34 5 1 13 b Manual wood feed 00 ccc ees 34 5 1 14 Overview of new product program 34 5 2 Editing a product program 2 c eee eee eee 35 5 2 1 Overview of product program 0 0000 e eae 35 5 2 2 Statistic values us be ene XA VENERE E C EN S CEN 36 5 2 3 ASK B Correction 4655 25 soo 8 dh esce e s eR A Oak BRAY 36 5 2 4 Overview edit product program LLuuuuu 37 Appendix FMI calibration 20 00 00 cece eee 39 FMI calibration usin
9. 2 2 FMI sensor for longitudinal measurement core 4 1 2 3 FMI sensor for transversal measurement 4 Z C DCPAUOHB uus Sos eov Vra Noc RR owe E NY Rer e IN gas NU Bio SOS aee S Ro Na M CR 7 DEK EYS senes Me su Ehe so ees di s Lat ha s Ci irn so dtu 7 2 1 1 Function and cursor keys 0 00 eee e eens 7 2 1 2 Numeric and alphanumeric keys 06 7 ZLS Enter k y o oe oss wie EON Ss SDRRTR UN RU T CRUS TNCS 7 2 1 4 General 6s oot a eruat Lattice ten La tics fep 7 2 2 Illustrations o sir Dos m eon ec Ce roe Rr A nre or n D ree etd 7 3 Operating nit 033 65 tuos Ce eoe ace eee os exco aia de uec eS 9 DLS WitChing Ob 252 RES ERAS R RASA PS SAVAIS ROUES 9 3 2 MIeasurtmg s sus is BA Rag GRAUE Pde ARR WAU A DAG We 10 3 2 1 Measurements screen 0 00 e eee eee 10 3 2 2 Statistics screen 5 ool exo eR Pe Oe Ry exu v 11 3 2 3 LCG Sre 2523229625293 202 Qo ERES GR ES Que 11 3 93 Men fcc cc ua eua RR RARO PAGE TROC RR RACE BAASE Jes 12 3 3 1 Product screen siros tnei e EAEE EAER ix RV FE 12 3 3 1 a Select product 0 0 aaa 13 3 3 1L b New product i RR ee A E RAD 14 3 3 1 c Edit product 0 0 0 ccs 14 3 3 1 4 Delete product 5 1 2222 en eben See ened 15 3 3 1 e Print all products 0 0 0 0 ccc eee ees 16 3 3 2 Base SEFGOll soia y Gaya Pk PRE SHAGR AS EE ESOS nM 16 3 3 2 a Overview S uei eau mado eR Red DARA eA DAR RA 16 3 3 2 Db Lansg a
10. 2224 i e Rx ee eee Peet 17 3 3 2 c Date Time 02s ich tse sagas dis doe Pig ate Doe ae tis Pa 17 3 3 2 d FMI configuration 5 5 er RATS 18 3 3 2 e Machine configuration 0 0000 eee 20 35 2 I Serial POPE oua 5 RARE RS AER ORARE 22 3 9 24 PEINTE Lic Po tx bec be St exe g 22 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 VIII 3 3 3 Reference screen 0 eee ees 23 3 3 3 a Measure reference block 000 0 ce eee 23 3 3 3 b Calibration using reference block 24 3 3 4 Pin code screen v 2512 a th nth DE a e e RS ae Me 25 4 Overview of key functions uulleleesl eres 27 AE Function Key 4er xd DE ow rr tod on 2T 4 2 Cursor keys 22533 9a DU PANO LIAS ed Ep 4 c eb WAH e Re 28 4 3 Numeric and alphanumeric keys 000000005 28 I4 Enter key oia ruo dew ew Zr ede gu ede Zu segna 20 5 Product Programs 15S re NUNC Rs V pg NC RU e RAN Rice Cre wR REA UR 31 5 1 Creating a new product 0000s 31 5 1 1 Enter product name 000s 31 5 1 2 Product height key 0 eee eee nee 31 5 1 3 Product width key 00 000 eens 31 5 1 4 Specific weight key 20 0 0 ccc eens 31 5 1 5 User information keys 1 and
11. 3646 1 2 2 FMI sensor for longitudinal measurement core This FMI wood moisture sensor measures the moisture content over the entire length of the wood over a width of approx 4 cm The wood must be fed through the sensor in a longitudinal direction and move freely through the sensor Movements in the height of the wood have virtually no influence on the wood moisture measurement With core type longitudinal measurement the wood must travel through the centre of the censor The sensor is fitted with 2 photocells which determine accurately that wood enters the sensor is in the sensor or is leaving the sensor Wood Picture 3 FMI wood moisture sensor for longitudinal measurement core 1 2 3 FMI sensor for transversal measurement This FMI wood moisture sensor measures the moisture content over a width of approx 6 cm over the entire length of the sensor The wood must be fed crossways over the sensor The wood must move freely over the sensor Movements in height influence the wood moisture measurement This is why fitting a top guide is important The sensor has one photocell which determines accurately when wood is fed over the sensor Wood Wood Picture 4 FMI wood moisture sensor for transversal measurement The moisture content is measured over a length of 400 mm or 600 mm If the moisture content needs to be determined over a greater length more sensors must be inte
12. The FMW moisture detector has a memory of 50 measurement values and a highest value peak hold value User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 40 FMI calibration using the drying oven Determining the moisture content by drying and weighing is the drying oven method Here a wood sample weighing between 100 and 200 grams is first weighed and then dried in a drying oven at 102 to 105 C then the dry samples are weighed again The drying oven method determines the average moisture content of a wood sample If the sample contains a large proportion of resins for instance in the case of fir the resins will also evaporate in the drying oven causing the result to be inaccurate User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 4 Appendix Setting specific weight and dimensions The moisture measurement of the FMI system is largely dependent on the specific weight and the dimensions of the wood In order to perform a moisture measurement using the FMI system the specific weight and the dimensions of the wood must first be keyed in Specific weig
13. V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 34 5 1 11 a Automatic calibration method Each plank used for calibration is passed through or over the sensor one after the other The sensor automatically recognizes and counts the wood Calibration is finished when the last calibration plank has passed the sensor 5 1 11 b Manual calibration method Each plank is placed in or on the sensor by hand and confirmed on the screen of the operating unit Calibration is finished when the last calibration plank has passed the sensor 5 1 12 Zero Before calibration is started the FMI system must be set to zero When this is done no wood may be in or on the sensor 5 1 13 Key in wood moisture content then place wood in sensor Before the calibration wood goes through or over the sensor the moisture content of these planks must be entered 5 1 13 a Automatic wood feed In the case of automatic wood feed the previously measured moisture content of all planks used for calibration are entered and consecutively measured by the sensor A counter on the screen shows the number of planks measured 5 1 13 b Manual wood feed In the case of manual wood feed the moisture content of each plank used for calibration is entered and measured A counter on the screen shows the number of planks measured The screen on the operating unit shows exactly which action has to be performed 5 1 14 Overview of new product progra
14. be applied at the end of the measured plank 5 1 9 b Peak value marker method With the peak value marker method there are two markers for each plank measured The wood moisture content is measured and then the highest and lowest values are calculated If the moisture content is higher than the set maximum or lower than the set minimum one or two marks respectively are applied to the end of the measured plank 5 1 9 c Real time marker method With the real time marker method the relays for minimum and maximum wood moisture content continuously follow the moisture content being measured If the wood moisture content is lower or higher than the set minimum or maximum values the appropriate relay is shortly activated The relay will be activated again when the moisture content is 0 2 higher than the minimum moisture content set or 0 2 lower than the maximum moisture content set 5 1 10 Calibration number key At least 10 planks are needed for satisfactory calibration of a product program Here the number of planks used for the calibration of the product program are keyed in 5 1 11 Select calibration method To calibrate a product program automatic or manual wood feed is selected The choice of calibration method will depend largely on the set up of the machine User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B
15. product programs can be selected In the Select product screen the following can be displayed per product line e Number and name of the product program Height and width of the wood to be measured Minimum and maximum moisture content SELECT PRODUCT 1 PINE 38 200 12 0 20 0 2 FIR 40 75 7 5 12 5 3 FIR 40 90 7 5 12 5 4 OAK 20 120 7 5 12 5 5 6 7 8 9 10 END vy Y A AA OK Picture 14 Select product The product program selected is activated by pressing the OK key As a check the complete information for the chosen product is displayed on the screen User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 14 NAME HEIGHT WIDTH i SPECIFIC WEIGHT USER INFO 1 WOOD FROM SWEDEN USER INFO 2 t DRIED TO 16 MINIMUM VALUE MAXIMUM VALUE i CORRECTION Ax B MARKING PEAK VALUE END SW OK Picture 15 Overview of Select Product f it appears that the product program chosen is not the correct one the end key can be pressed which will return to the previous screen fa large amount of wood has a different specific weight from that of the calibrated product program the specific weight can be edited using the SW key The correction for the newly set specific weight now occurs fully automatically
16. reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 1 Description of the FMI system The FMI system consists of an operating unit with one or more contact free sensors for measuring wood moisture The FMI system can Determine the moisture content of wood in automated production lines and sorting installations Measure while the wood is being transported and without the sensor having to make contact with the wood Communicate with a PLC or PC for the processing of the measured data and the settings Mark the wood measured based on the required moisture content for automatic grading or ejection 1 1 FMI operating unit 04 03 97 08 30 25 GEMIDDELD MINIMUM MAXIMUM STAT MENU lt 4d b 1d b 1d b FMI microprocessor controlled industrial moisture meter 00000000 Picture 1 FMI Operating unit The control electronics is installed in a sheet steel cabinet with an aluminium control panel and an optional perspex safety door with safety locks The 6 mm thic
17. 33 3355 Fax 31 53 430 3646 48 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 49 Appendix Marking in the FMI system To explain the marking function in the FMI system type longitudinal measurement the following figure illustrates how the moisture content may vary over the length of a plank Average moisture content Y Actuali moisture conterit over the plank length j Plank length Marking for average nhoisture content Marking maximum m isture content on peak marking Marking minimum mdisture content on peak marking Marking minimum moisture content on real time marking Marking minimum moisture content oni real time marking Picture 52 Explanation of marking method longitudinal measurement In this illustration the thick line is the current moisture content and the horizontal dotted line is the average moisture content over the entire plank length The thin lines Wet and Dry indicate the marking settings for the minimum and maximum moisture content Average marking In this example the wet and dry relay will not be switched in the case of average moisture content marking Peak marking In this example when the system is set to peak marking both t
18. 46 32 5 1 5 User information keys 1 and 2 User information keys 1 and 2 give further information about the product to be measured This could be a supplier or customer for example or a comment about the product such as whether it is finger jointed or whether the batch is of a certain quality 5 1 6 Minimum wood moisture content key The FMI system can grade wood for minimum moisture content The wood to be measured may not be drier than the minimum moisture content entered If the wood is drier a relay is automatically activated This relay operates a marker unit or an ejection mechanism 5 1 7 Maximum moisture content key The FMI system can grade wood for maximum moisture content The wood to be measured may not be wetter than the maximum moisture content entered If the wood is wetter a relay is automatically activated This relay operates a marker unit or an ejection mechanism 5 1 8 Enter Statistical screen The FMI system shows the measured moisture content in a so called statistical screen with 6 levels For each product program these levels can be programmed With DEFAULT the standard settings are chosen By keying the arrow key the selection MANUAL can be selected With OK the selection will be made The levels can be modified according to the following schema From 0 until moisture level 1 From moisture level 1 until moisture level 2 From moisture level 2 until moisture level 3 From moisture leve
19. 46 59 Notes User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646
20. Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 2 Operation This user manual contains an explanation of how to operate the industrial FMI wood moisture meter 2 1 Keys A foil keyboard with 18 keys and a backlit graphics LCD screen is fitted on the front plate of the operating unit The LCD screen displays all the information about the status and settings of the FMI system Depending on the screen displayed the specific functions of the keys can be divided into groups The groups are Function Cursor Numeric Alphanumeric keys and the ENTER key 2 1 1 Function and cursor keys Keys F1 to F6 on the operating unit are the Function and Cursor keys Depending on the screen displayed each has a specific function The section Overview of key functions contains a table of the functions of the function keys 2 1 2 Numeric and alphanumeric keys Keys 0 to 9 on the operating unit are the Numeric keys These keys are used to enter a number Keys 0 to 9 also function as alphanumeric keys The alphanumeric keys are used to enter numbers and letters By pressing the key quickly in succession the various letters and numbers can be entered The section Overview of key functions includes a table of numeric and alphanumeric keys 2 1 3 Enter key The Enter key has the same functions as the OK key of the function keys The section Overview of key functions includes a table with the enter ke
21. I contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 22 3 3 2 f Serial port The FMI system offers the option to send data to a Printer or a PC This option can be selected in the serial port screen NO OUTPUT PRINTER OUTPUT TERMINAL OUTPUT Picture 34 Selection of serial output 3 3 2 g Printer When the port has been set for serial the printer screen will display the status of the printer control If required the status can be changed using the cursor keys SELECT PRINTER STATUS STOP Picture 35 Set printer and display status The PRN 1 option shows that the FMI has been entered as a logger All settings and measurements are then automatically printed If the PRINT key is pressed in the statistics screen a statistical overview is printed If PRN O is chosen no data is printed and the FMI does not operate as a logger If the PRINT key is pressed in the statistics screen the selected product program is printed with a statistical overview User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 23 3 3 3 Reference screen In order
22. I contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 45 Example of linear regression Assume that a number of moisture measurements were carried out with the FMI system which are compared with the measurements from the drying oven test It now appears that the results of the measurements with the FMI system could be improved A table is then made in a spreadsheet program as indicated below MC measured MC according to MC optimised by FMI 96 dry oven 96 with linear In the column Moisture content determined with FMI system the moisture values measured with the FMI system are entered In the column Moisture content determined with drying oven the moisture values determined by the drying oven tests are entered In the column Moisture content optimized through linear regression the corrected FMI moisture measurements are generated according to the formula Moisture content FMI a b User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 46 Linear regression 350 300 250 y 1 0837x 07249 FR 09784 20 0 MC optimised wit
23. K Picture 24 Setting date and time When the year has been set the month day hours minutes seconds and date format can be set User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 18 3 3 2 d FMI configuration The FMI configuration option activates the following functions The contrast of the screen can be set The information about the sensor s connected to the FMI system can be displayed The display mode can be set The alarm output can be activated CONTRAST TYPE FMI DISPLAY MODE ALARM OUTPUT END Y A OK Picture 25 FMI configuration screen SENSOR NR 13 HARDWARE 3 00 SOFTWARE 3413 LONGITUDINAL MEASUREMENT TRANSVERSAL MEASUREMENT OK Picture 26 FMI configuration The FMI type option displays the following information Serial number of the sensor Hardware version number of the sensor Software version number of the sensor Design of the sensor longitudinal or transversal measurement User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 19 The Display mode option provides
24. Sensor Mode for correct calibration each connected sensor will require a reference block The calibration procedure is identical to the calibration procedure with one reference block User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 OOH ANANA oo0000000 fee FMI Operating unit EID Reference Block 1 Reference Block 2 Reference Block 2 aes aa aay FMI sensor 1 N FMI sensor 2 FMI sensor 3 Picture 55 Location of reference blocks for the FMI transversal measurement sensors User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 55 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 56 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 57 Settings of the FMI system FMI control box s Sernal number uus ono went lla hee aa fete toe tee e e e e Hardware version 0 0 ee ec RR IIR eh e Software version clle es
25. User Manual FMI Contact free industrial wood moisture meter Brookhuis Micro Electronics B V NL 7500 AB Enschede The Netherlands Tel 31 53 433 3355 Fax 31 53 430 3646 WWW BROOKHUIS COM INFO BROOKHUIS COM User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 Notice The information provided in this manual may be changed without prior notification BROOKHUIS MICRO ELECTRONICS B V SHALL ACCEPT NO LIABILITY FOR ANY TECHNICAL ERRORS TYPOGRAPHICAL ERRORS OR OMISSIONS FROM THIS PUBLICATION NOR SHALL BROOKHUIS MICRO ELECTRONICS B V ACCEPT ANY LIABILITY FOR CONSEQUENTIAL DAMAGE OR DAMAGE CAUSED BY THE PROVISION OR POSSIBLE INAPPROPRIATE USE OF THIS MATERIAL The information contained in this manual is protected by copyright No part of this manual may be reproduced stored in a retrieval system or transmitted in any form or by any means electronics photocopying recording or otherwise without prior permission in writing of Brookhuis Micro Electronics B V 1999 Brookhuis Micro Electronics B V All rights reserved Printed in the Netherlands MS Excel is a trademark of Microsoft Corporation Lotus 123 is a trademark of Lotus Corporation Corel Quattro Pro is a trademark of Corel Corporation User manual FMI contact free industrial wood mo
26. We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 IV User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 Revision Date 1 August 1999 Operating unit software version 3 30 Sensor software version 3 13 CPU FMI3 7182 0 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 VI User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 VII Table of Contents NOCE oo CROP I e ER ERE QN RN st I Preface spies ute o eoo SAO E Roo kdo Sepe io Saco vadit cse e III REVISION ieee oe trees wn at ora d web e eee cea een aed V 1 Description of the FMI system 0 0 00 eens f 1 1 FMI operating unit 2 419 dri Sor m gen 109 9 4064 1 1 2 FMI wood moisture sensor 0000 c eee ees 3 1 2 1 FMI sensor for longitudinal measurement standard 3 1
27. ction is confirmed with the OK key From now on none of the menus are protected by a pin code When a pin code has been lost the pin code protection can be switched off by entering the factory code This factory code is listed on the packing slip of the FMI system User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 26 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 27 4 Overview of key functions In this section the functions of the various keys on the operating unit of the FMI system are explained 4 1 Function keys The function keys are displayed on screen Their functions are listed in the table below Calibration procedure Delete the number or text entered Go back to the previous screen or return to the measurement screen MEAS Go to the measurement screen Go to the menu screen Not OK with selection made operation not carried out negative confirmation of a question STAT Go to statistics screen key in moisture content values of statistic screen Input for specific weight OK with selection made operation carried out positive confi
28. duct name which may have a maximum of 16 characters It is usual to key in the type of wood here The product name is entered using the alphanumeric keys By repeatedly pressing one of these keys the characters as stated in the table of numeric and alphanumeric keys are displayed consecutively These characters are also marked on the keys The letters are represented first alphanumeric characters and then the figures numeric characters The lt key can be used to delete each last character 5 1 2 Product height key Product height is the thickness of the wood to be measured 5 1 3 Product width key Product width is the width of the wood to be measured 5 1 4 Specific weight key The specific weight is the average specific weight of the wood at 096 wood moisture The FMI system takes account of the specific weight for an optimum wood moisture measurement The specific weight of the wood to be measured can be calculated by dividing the weight in kg by the volume in m There are also tables available in which the specific weight of wood is listed per type of wood and per felling area When two specific weights are indicated the average specific weight of the relevant wood type is taken User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 36
29. dust the following screen will appear REMOVE WOOD FROM SENSOR ARE YOU SURE Picture 11 Remove wood from sensor When the photo cells no longer detect any wood or sawdust zero setting will take place automatically Zero setting An external input allows automatic zero setting When there is wood at the moment of an external zero setting the zero setting will not take place and the display will jump back to the measuring screen 3 3 Menu The menu screen gives access to the product programs the settings of the FMI system the calibration procedure with the reference block and the setting of the pin code PRODUCT BASIC SETTINGS REFERENCE BLOCK PIN CODE Picture 12 Menu screen 3 3 1 Product screen In the product screen new products may be programmed Then the products can be selected changed or removed If a printer is connected to the FMI system all the programmed products can be printed User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 13 SELECT PRODUCT NEW PRODUCT EDIT PRODUCT DELETE PRODUCT PRINT ALL PRODUCTS Picture 13 Product screen 3 3 1 a Select product The product for which the wood moisture content must be determined is selected using the cursor keys Only programmed
30. exist when measuring in length width or depth By calibrating the FMI system through measurements on a minimum of 10 planks from different trees the program will be calibrated optimally for the average result of those measurements In the drying oven test the moisture measurement can be checked and if required optimized FMI calibration using FME or FMD Plus moisture meter The FME and FMD Plus moisture meters are instruments which operate according to the resistance method Two measuring probes are used at a specific location and a specific depth to measure the wood moisture content The FME and FMD Plus moisture meters are set to the correct wood type The wood temperature is entered or measured using the optional temperature probe The FMD Plus moisture meter has a memory for 1000 measurement values the FME moisture meter for 50 In addition the FMD Plus moisture meter is equipped with a serial port for the moisture content measured to be printed with the statistical overview Calibrating FMI using an FMW moisture detector The FMW moisture detector is an instrument operating by the capacitive method The average moisture content is measured over an area of approx 2 x 2 cm and to a depth of approx 2 5 cm The FMW moisture detector does not damage the wood The surface of the wood must be smooth The FMW moisture detector is set to the correct specific weight Temperature correction is not required as long as the wood is not frozen
31. full information of the product program chosen appears on the screen which may be changed per item The procedure for editing a product is explained in the appendix Product programs NAME HEIGHT WIDTH E SPECIFIC WEIGHT USER INFO 1 USER INFO 2 MINIMUM VALUE MAXIMUM VALUE CORRECTION Ax B MARKING END CAL Y PINE 38 200 460 WOOD FROM SWEDEN DRIED TO 16 12 20 1 00 0 00 PEAK VALUE STAT 0 Picture 18 Overview edit Product 3 3 1 d Delete product When a product is no longer used it can be deleted from the list of programmed product programs The program to be deleted is chosen using the cursor keys SELECT PRODUCT PINE CODIADUNBWNE m END VV Y 38 200 12 0 20 0 40 75 7 5 12 5 40 90 7 5 12 5 20 120 7 5 12 5 AA OK Picture 19 Delete product User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 16 The chosen product is activated using the OK key Before the FMI system actually deletes the product program confirmation is required PRODUCT 8 DELETE OLD VALUES ARE YOU SURE NO YES Picture 20 Delete OK 3 3 1 e Print all products With the print all products function all product programs with their individual settings are printed if a pr
32. g FME or FMD Plus moisture meter 39 Calibrating FMI using an FMW moisture detector 39 FMI calibration using the drying oven 00000 0 40 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 Specific weight cortes vere te wee Qe sedes Deae bw 41 Dimensi ns u ome RATIS E UR ES RIE a Re aud 41 Appendix Optimizing measurements 0000055 43 Linear regression Practical method 004 43 Linear regression Theoretical method 44 Example of linear regression 0 2 00 e cece eee eee 45 Appendix Marking in the FMI system 20006 49 sor ngon 4 Tevels iue vo SEA AR ORS Oe OPA ENERSAS 51 Appendix Multiple Sensor Mode luullssllsss 53 Me as ring sereen 4 coss tu oeur I er E E R eee E a E E 53 Display Mode o oo GAS ORE EAS EE REDE SE RC RS ERA a O ES 53 Display Mod Teo Sot sisi soe ees ples tat xtustcesi foetus ed EEN 54 Configuration screen sseeeeee 54 Calibration 5 oos tipo ap hee hee aaa ORE wb WEN 54 Settings of the FMI system 0 0 0 57 INOUE E T EIEEE T E AE ENA A E EE 59 User manual FMI contact free industrial wood moisture meter Version 3 31 We
33. ght Current moisture content of the third sensor User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 54 Display Mode 1 Explanation measuring screen Multiple Sensor Mode in Display Mode 1 12 9 large MC measurement according to setting of product program average or peak MC Average The average moisture content of the wood measured by the active sensors Minimum The minimum moisture content of the wood measured by the active sensors Maximum The maximum moisture content of the wood measured by the active sensors 12 9 left Not displayed e 13 1 centre Not displayed e 12 7 right Not displayed When the moisture content of one of the sensors is less than 2 the system will not accept the moisture content of that sensor although the photocell detected the wood Configuration screen SENSOR NR 13 14 15 HARDWARE 3 00 3 00 3 00 SOFTWARE 3 13 3 13 3 13 LONGITUDINAL MEASUREMENT TRANSVERSAL MEASUREMENT OK Picture 54 Configuration screen Multiple Sensor Mode The configuration screen of the FMI system in Multiple Sensor Mode displays the serial number as well as the hardware and software revision numbers of the connected sensors Calibration In order to check the FMI system in Multiple
34. graph display the actual moisture value of the measured material If the wood is fed over or through the sensor too quickly the value of the digitally displayed moisture content will not always be the true moisture content as this display is slow The digital display is mainly used to measure wood that does not move With the function display mode the digital value can also display the average or maximum moisture content The average moisture content is only displayed when the measurement has been carried out correctly When the wood is in the sensor for longer than one minute the FMI system assumes that the wood is at a standstill and an average moisture content is not calculated The minimum and maximum moisture content are only displayed when using longitudinal measurement type sensors and when more than one transversal measurement type sensor is connected The text fields containing PRODUCT NAME INFO I and INFO 2 and also the values for SW WIDTH HEIGHT MIN and MAX 96 are examples and inform about the selected product program User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 11 When a product program is not calibrated the message NO CALIBRATION is shown 3 2 2 Statistics screen The statistics screen gives an o
35. h linear regression Lineair MC optimised with linear regression PA Dry Oven g o 10 0 5 0 5 0 10 0 15 0 20 0 25 0 30 0 FMI Picture 49 Linear regression 6699 According to the linear regression formula the X coefficient is value a gain factor in the FMI system and the Constant value b offset in the FMI system These values can be entered into the FMI system with two digit accuracy To do this select edit product and select the product program for which the computation was carried out and now select theoretical method Then select the option Correction Ax B and enter the values for a and b respectively ENTER GAIN VALUE 1 03 END CLR OK Picture 50 Gain factor a User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 47 ENTER OFFSET VALUE 0 72 Picture 51 Offset factor b The edited product program now contains the optimised calibration data provided the option save is selected under end User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 4
36. he wet relay and the dry relay will be switched at the end of the plank User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 50 Real time marking e In this example when the system is set for real time marking both the wet relay and the dry relay will be switched instantaneously when the relevant locations pass the sensor User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 51 Sorting on 4 levels In case the FMI system has the option sorting each product program with the FMI longitudinal system only for average MC can sort the wood into 4 levels Level 1 FMI minimum MC setting 1 Level 2 minimum MC setting 1 FMI lt minimum MC setting 2 Level 3 minimum MC setting 2 FMI maximum MC setting Level 4 FMI gt maximum MC setting User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 52 User manual FMI contact free industrial wood mo
37. ht The greater the specific weight of the wood entered in the FMI system the lower the moisture content the FMI system will indicate and the smaller the variances will be If a specific weight is entered incorrectly the accuracy of the moisture measurement with the FMI system will be affected This is why entering the correct average specific weight of the wood from a certain felling area in each production program is very important Dimensions The larger the width and thickness of the wood set in the FMI system the higher the moisture content that will be displayed Consequently wood of varying dimensions cannot be measured with the same product program User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 42 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 43 Appendix Optimizing measurements A simple linear regression function has been built into the FMI system Using this function the system can independently apply a correction factor to the moisture content measured This method is called practical optimization method of the measurements with the FMI s
38. inter is connected 3 3 2 Basic screen The basic screen displays an overview of the basic setting options within the FMI system OVERVIEW SELECT LANGUAGE DATE TIME FMI CONFIGURATION MACHINE CONFIGURATION SERIAL OUTPUT PRINTER END Y A OK Picture 21 Basic settings De choice printer is only visible when this option is selected in serial output 3 3 2 a Overview The overview option displays the basic settings These settings can be changed by selecting an option using the cursor keys followed by pressing OK User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 17 J CONTRAST DATE TIME LANGUAGE ENGLISH TYPE FMI LONGITUDINAL UNIT METRE MINUTE WOOD DIRECTION INPUT RIGHT WOOD SPEED 30 M MIN SENSITIVITY 50 MM SERIAL OUTPUT PRINTER OUTPUT PRINTER STATUS i STOP Picture 22 Overview of settings 3 3 2 b Language The Language option refers to the language of the screen texts Depending on the type of FMI system a number of languages can be selected SELECT LANGUAGE ENGLISH END y A OK Picture 23 Select a language 3 3 2 c Date Time The internal clock of the FMI system is set with Date Time SET DATE YI END wv A CLR O
39. isture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 53 Appendix Multiple Sensor Mode When the FMI system is set in multiple sensor mode the system operates with several sensors switched as one long sensor Each sensor measures the current moisture content which is displayed by the system The average current moisture content from all the sensors is calculated When the wood travels over the sensors the measurement is carried out and the FMI system will calculate the average moisture content from the active sensors as well as the highest and lowest moisture content measured A sensor is active if the photocell detects wood over the sensor Measuring screen PRN 1 STAT ZERO MENU Picture 53 Measuring screen Multiple Sensor Mode Display Mode 0 Explanation measuring screen Multiple Sensor Mode in Display Mode 0 e 12 9 large The current average moisture content of the connected sensors Average The average moisture content of the wood measured by the active sensors Minimum The minimum moisture content of the wood measured by the active sensors Maximum The maximum moisture content of the wood measured by the active sensors 12 9 left Current moisture content of the first sensor 13 1 centre Current moisture content of the second sensor e 12 7 ri
40. isture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 II User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 III Preface Congratulations on your purchase of the FMI contact free industrial wood moisture meter The FMI is a Dutch quality product considered to be the best and most advanced contact free wood moisture meter for production and sorting lines in the wood industries The FMI system consists of a microprocessor controlled operating unit and one or more microprocessor controlled contact free wood sensors The FMI system is a capacitive measuring system that determines the dielectric constant of the material over sensor designed for transversal measurement or between sensor designed for longitudinal measurement the sensor plates Consequently the wood does not have to touch the sensor plates and the system measures without any contact By applying two fast microprocessors and because of the high frequency capacitive measuring method used the FMI system has a capacity of 400 measurements per second Enschede 1 August 1999 User manual FMI contact free industrial wood moisture meter Version 3 31
41. k safety door offers optimal protection against exposure and unauthorized operation The cabinet as a unit is splash proof User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 The microprocessor controller consists of Graphic screen Keyboard with 18 keys On Off Switch 1 Digital input Automatic zero setting 1 Digital input Start Stop measuring 1 Relay output Watchdog 1 Relay output Wood moisture content higher than maximum level set 1 Relay output Wood moisture content lower than minimum level set 1 Relay output Real Time FMI system with a longitudinal sensor only 1 Relay output Alarm 1 Analogue output Wood moisture 0 4 20 mA 0 10 Volts 1 Digital communication port RS 232 1 Digital communication port RS 485 An extensive software program operates the control electronics for the preparation of product programs A product program consists of all the important characteristics of the product to be measured The software is menu driven and has a capacity of 250 product programs The settings for each product program are Type of wood numeric and alphanumeric Wood dimensions metric or imperial Specific weight of the wood at 096 wood moisture Calibration procedure I calibrate on single or multiple planks Calibratio
42. key functions 3 1 Switching on When the FMI system is switched on the Start screen is displayed for about 0 5 seconds The Start screen is for checking and setting the contrast of the graphics screen The Start screen also displays the serial number the hardware version and the software version of the operating unit Picture 7 Start screen User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 10 3 2 Measuring The FMI system measures the moisture content of the wood between longitudinal measurement or over transversal measurement the sensor plates continuously The FMI system automatically calculates the average moisture content when the wood leaves the sensor If a longitudinal measurement type sensor is used or when more than one transversal measurement type sensor is connected the FMI system also computes the maximum and minimum moisture content of the wood 3 2 1 Measurements screen PRN 1 STAT ZERO MENU Picture 8 Measurements screen The measurements screen is the main screen It is the first screen that appears after the start screen The measurements screen displays all the important information about the contact free wood moisture measurement The digitally displayed moisture content and analogue bar
43. l 3 until moisture level 4 From moisture level 4 until moisture level 5 From moisture level 5 until 100 Option MANUAL The value in the display is the value for a range in the statistics screen With the first value the lowest range is mentioned with the following value the next etc The values to key in must be whole numbers The FMI system will increase the value automatically with 1 for the next range Option STANDARD In the FMI system the levels 8 10 12 16 and 20 are preprogrammed User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 33 5 1 9 Select marker method If the measured wood moisture content is lower than the set minimum or higher than the set maximum the minimum and maximum wood moisture content relays respectively will be activated There are three marker possibilities average peak value or real time In case of an FMI System with one transversal sensor the marker setting will be peak value only 5 1 9 a Average marker method With the average marker method there is one mark for each plank measured The wood moisture content is measured and then the average moisture content calculated If the average moisture content is lower than the set minimum or higher than the set maximum a mark will
44. m The overview below shows the actions required for creating a new product User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 Measurement screen MENU Menu screen PRODUCT Product screen Basic settings Ok Reference screen Pin code screen Select product Edit product Delete product Print all products OK New product program Ok 1 Enter product name 2 Enter product height 3 Enter product width 4 Enter specific weight 5 Enter info 1 6 Enter info 2 7 Enter minimum wood moisture 8 Enter maximum wood moisture 9 Edit statistical values 10 Select marking method 11 Enter number of calibrations 12 Select calibration method 13 Zeroing 14 Enter moisture content 15 Place wood into sensor Ready Picture 42 Prepare new product program 5 2 Editing a product program When a product program has been prepared and it appears that certain data need to be changed the product program may be edited The menu option is chosen from the measurement screen the product option from the menu screen and the edit product option from the product screen Now the cursor jumps to the first item in the select product scree
45. n The product that is to be edited is selected using the cursor Now the relevant program number is displayed If the OK key is now entered the procedure to edit the product program will be started 5 2 1 Overview of product program The product program overview screen shows all the settings of the selected product program The cursor key is used to go to the position that requires editing With the OK key this choice is confirmed and retrieve the screen to carry out the editing The method for this is the same as that for creating a new product program User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 35 36 NAME HEIGHT WIDTH SPECIFIC WEIGHT USER INFO 1 WOOD FROM SWEDEN USER INFO 2 DRIED TO 16 MINIMUM VALUE MAXIMUM VALUE CORRECTION Ax B MARKING END CAL Y A STAT OK Picture 43 Edit product program If data is edited the FMI system will ask for it to be saved as soon as the editing has been completed If the name height width or specific weight are changed the FMI system will also ask whether the product is to be re calibrated There is no obligation to do so as a certain setting may simply have been wrongly typed for instance 5 2 2 Statistic values By pressing the STAT key
46. n procedure II calibrate automatically or manually Batch information 1 for example lot number numeric or alphanumeric Batch information 2 for example user information numeric or alphanumeric Setting the maximum and minimum moisture content for marking wood which is either too wet or too dry Setting the moisture content levels of the statistics screen Setting the marking method according to peak average or real time moisture measurement Setting of analogue and digital output as well measuring screen according to peak or average moisture measurement The FMI system gives the following information when measuring Measuring screen the average maximum minimum and real time moisture content of each measured plank and also the most important settings of the selected product program Statistics screen a statistical overview of the measured moisture content of the batch with information of the number of planks measured per moisture content level User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 The FMI can generate reports for each measured batch For this the FMI has a communication port Depending on the FMI software the following reports are possible Reporting on a printer or PC Analyse of a batch on a PC 1 2 FMI wood moisture
47. ollowing table OK acknowledge the selection and go to the next screen User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 30 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 3l 5 Product Programs The FMI system is a programmable wood moisture measurement system This means that the system is already prepared for measuring wood moisture but specific product data still have to be entered This product data is stored in what is known as product programs The memory of the FMI system can accommodate a total of 250 of these programs 5 1 Creating a new product program In the measurement screen the menu screen option is selected in the menu screen the product screen option is selected and in the product screen the new product option is selected The cursor will now move to the next empty position in the select product screen The number that appears next to the cursor is the number of the new product program If now OK is pressed the procedure for creating a new product program will start 5 1 1 Enter product name You can now enter a pro
48. rconnected A maximum of 3 sensors 400 mm or 600 mm may be linked together Each sensor measures the moisture of the section of the wood which is positioned over the sensor The average maximum and minimum moisture contents are now calculated in the operating unit The photocell on each sensor determines whether that sensor is active The User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 sensor must be positioned in such a way that the photocell is free from the stop this is to ensure that the photocell only sees wood when the entire sensor is covered In the example below the stop is located on the left hand side FMI Operating unit OOOOOOOO FMI sensor 1 FMI sensor 2 FMI sensor 3 Picture 5 FMI wood moisture measurement for transversal measurement using 3 sensors User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro
49. rmation of a question ZERO Zero manually User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 28 4 2 Cursor keys The cursor keys are displayed on this screen The functions are explained in the following table l Reduce contrast contrast screen Go down one position selection screen Lower a number by one unit entry screen When entering figure or number go back one digit T Increase contrast contrast screen Step up one position selection screen Increase a number by one unit entry screen Go to the next page selection screen Go to the previous page selection screen 4 3 Numeric and alphanumeric keys The numeric and the alphanumeric keys can be found next to the screen The table below lists their functions Key Alphanumeric S T U 1 V W X 2 Y Z space 3 4 J K L 4 2 1 3 E pu poc p ME CENE Lo Le E NEN ut cu 1g pou EE ENENE NEN D User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 29 4 4 Enter key The enter key is located next to the screen Its function is explained in the f
50. sensor The microprocessor controlled sensor measures the moisture content of the wood without any contact To do this the wood is fed through or over the sensor The maximum speed of the wood may be as high as 600 metres minute The sensor measures the moisture content of the wood 400 times per second The calibration of the sensor is fully automatic there are no potentiometers in the sensor The FMI wood moisture sensor is available in four models standard longitudinal measurement core longitudinal measurement transversal measurement 400 mm transversal measurement 600 mm 1 2 1 FMI sensor for longitudinal measurement standard This FMI wood moisture sensor measures the moisture content over the entire length of the wood over a width of approx 15 cm The wood must be fed through the sensor in a longitudinal direction and move freely through the sensor Movements in the height and width of the wood have virtually no influence on the wood moisture measurement The sensor is fitted with two photocells which determine accurately that wood enters the sensor is in the sensor or is leaving the sensor Wood Picture 2 FMI wood moisture sensor for longitudinal measurement standard User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430
51. the input screen for setting the display mode The 0 option provides the continuously measured moisture content in the measurement screen and the 1 option gives the result of the moisture measurement Depending on the choice in the product program selected this can be the average of highest measured moisture content DISPLAY MODE VALUE 0 Picture 27 Display mode The alarm output is activated when the total number of defective planks is larger than the value entered for total defects in relation to the value of entered for total planks Firstly the total number of planks to be measured is entered and then the total number of defective planks The alarm output is automatically switched off as soon as the following good plank enters NUMBER OF PLANKS VALUE Picture 28 Alarm output number of planks User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 20 NUMBER OF FAILURES VALUI END y A OK Picture 29 Alarm output number of failures 3 3 2 e Machine configuration The Machine configuration option activates the following functions The unit for the speed of the wood The feeding direction in the sensor The speed of the wood The sensitivity SELECT UNIT
52. to check whether the FMI system is calibrated correctly a reference block is required After proper installation and calibration the FMI system must indicate the correct moisture content on the screen as it is marked on the reference block MEASURE REFERENCE BLOCK ARE YOU SURE Picture 36 Measure reference block 3 3 3 a Measure reference block The reference screen is almost identical to the measurement screen the main difference being the function key REF This key is used to calibrate the FMI system to the value of the reference block PRN 1 REF STAT ZERO MENU Picture 37 Reference screen With no wood or reference block in or on the sensor the reference screen should indicate 0 096 with the reference block the screen must display the value which is indicated on the reference block The display mode must be set to display mode 0 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 24 Picture 38 Reference block in longitudinal sensor Picture 39 Reference block in transversal sensor Accuracy The maximum deviation may not exceed approx 0 3 3 3 3 b Calibration using reference block REFERENCE VALUI END Y A CLR OK Picture 40 Set the reference block
53. verview of the moisture content of the measured wood This data can be printed The statistical overview gives a quick impression of the moisture content of a large amount of wood Picture 9 Statistics screen The statistics screen displays the following information The average moisture content AVG is the average of the number of moisture measurements up to that time Y The standard deviation STD is the standard deviation calculated from the number of moisture measurements up to that time Y The total batch is 10096 Per moisture content range the percentage of the number of moisture measurements up to that time is calculated Y The total batch is Y Per moisture content range the number of wood sections is calculated from the number of moisture measurements up to that time 3 2 3 Zero screen The zero screen compensates for sawdust and relative air humidity on the sensor When zero is selected it first asks the question of whether it is correct that there is no wood in the sensor NO WOOD IN SENSOR ARE YOU SURE Picture 10 Zero screen User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 12 When yes is now pressed and the photocells of the FMI sensor are still covered with wood or saw
54. y 2 1 4 General After a keystroke the FMI operating unit communicates with the FMI sensor and all the settings are checked During this process the FMI operating unit does not accept keystrokes The measurement screen and the reference screen will now display instead of the moisture content as a percentage 2 2 Illustrations This user manual contains numerous illustrations of the LCD screen Obviously these only serve as examples The practical values will differ for each application User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 User manual FMI contact free industrial wood moisture meter Version 3 31 We reserve the right to change our products 1999 Brookhuis Micro Electronics B V P O Box 79 NL 7500 AB Enschede Tel 31 53 433 3355 Fax 31 53 430 3646 3 Operating unit The operating unit is the nerve centre of the FMI system and is fitted with a graphics screen and a keyboard Graphic display Numeric amp Alfanumeric keys Function keys F1 to F6 Picture 6 Operating unit Function keys F1 to F6 are the software controlled function keys the functions of which are displayed on the screen A description along with an explanation of the function keys is included in a table in the section Overview of
55. ystem Using this mathematical linear regression function the measurements with the FMI system can also be optimized A spreadsheet program such as MS Excel Lotus 123 or Corel Quattro Pro has this linear regression functionality We call this method theoretical optimisation method of the measurements with the FMI system Linear regression Practical method When on the basis of the comparison measurements between for instance the drying oven method and FMI it appears that there is room for improvement in the results for a certain product program the practical approach of the linear regression method is a convenient solution The procedure is very simple and can be described as follows a A number of comparison measurements between the drying oven or a manual system and FMI are performed The values for Correction Y aX b must be a 1 00 and b 0 00 b These measurements are recorded in table format and plotted c A straight line is drawn between the measurements that best match the measuring results d Then two points are selected in the graph that represent the FMI measurements which are at least 5 apart e The lowest moisture content of the FMI is then called moisture 1 and the highest moisture content of the FMI is then moisture 2 B Table B Graph Cc 810 12 14 16 18 20 D E Graph Moisture content 2 ven 18 2 FMI 15 8 810 12 14 16 18 20 810 12 14 16 18 20

Manual FMI 3.31 UK

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