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Valmet Microwave 

Consistency Transmitter

– Valmet MCA

Installation & 

Owner’s manual

OUL00298 V2.3 EN

Summary of Contents for Valmet MCA

Page 1: ...Valmet Microwave Consistency Transmitter Valmet MCA Installation Owner s manual OUL00298 V2 3 EN...

Page 2: ......

Page 3: ...6 3 Device information 28 6 4 Setting the date and time 28 6 5 Address 28 6 6 Calibration 29 7 Sample Taking 29 7 1 Entering Laboratory Results 30 7 2 Offset Correction 30 7 3 Fillers 30 7 4 Calibrati...

Page 4: ...Installation Owner s manual OUL00298 V2 3 EN 4 Valmet Mircowave Consistency Transmitter...

Page 5: ...uency are correct before making any electric connections Wrong connection may damage the equipment The applicable electrical safety regulations must be closely followed in all installation work Before...

Page 6: ...elivered with the device Upon request the manufac turer will provide more detailed instructions for recycling and disposal Used devices may also be returned to the manufacturer for recycling and dispo...

Page 7: ...efore consistency can be calcu lated based on the time it takes the microwaves to move through the measured mass The advantages of this measurement procedure are pulp type independence insensitivity t...

Page 8: ...Notes Installation Owner s manual OUL00298 V2 3 EN 8 Valmet Mircowave Consistency Transmitter...

Page 9: ...nna ma terial is polished ceramic 1 2 3 4 Fig 1 Valmet MCA F 1 Pt 100 Thermoelement 2 Microwave Antennas 3 Sensor Electronics 4 Sensor Cable Connector 2 2 MCA FT The body of the Flow Through sensor is...

Page 10: ...crowave Antenna 2 Sensor Head 3 Pt 100 Thermoelement 4 Antenna Cables 5 Sensor Body 6 Antenna Sealing 7 Fixing Clamp 8 Base Plate Assembly 9 Sensor Electronics 10 Sensor Cover Installation Owner s man...

Page 11: ...sor Cover 2 Sensor Electronics 3 Base Plate Assembly 4 Pt 100 Thermoelement 5 Sensor Body 6 Antenna Sealing 7 Microwave Antenna 8 Antenna Flange 9 Antenna Cable 10 Antenna Cover Installation Owner s m...

Page 12: ...onnectors located in the cover of the sensor electronics 2 4 Transmitter Central Unit TCU TCU is Valmet MCA s user interface and calculator Perform operations using the number buttons and other button...

Page 13: ...one meter be fore it there must not be objects inserted into the pipe Reserve enough space for the sensor casing For the Valmet MCA F reserve also space required for sensor installation The TCU must...

Page 14: ...after a pump B after a horizontal pipe A B D D Min2xD 1xD if Cs 8 Min2xD 1xD if Cs 8 If the section of horizontal pipe preceding the sensor is 10xD then the sensor is installed with its electronics ca...

Page 15: ...after a pump B after a horizontal pipe D A B D Min2xD 1xD if Cs 8 Min2xD 1xD if Cs 8 If the section of horizontal pipe preceding the sensor is 10xD then the sensor is installed with its electronics c...

Page 16: ...Fig 5 Valmet MCA FT installation directly after a pump Fig 6 Valmet MCA FT installation directly after a pump Installation Owner s manual OUL00298 V2 3 EN 16 Valmet Mircowave Consistency Transmitter...

Page 17: ...ons Valmet MCA F 223 878 210 8 2 226 8 8 100 3 9 164 6 5 1 4 02 54 2 1 4 MCA FT50 2 223 8 7 159 6 2 191 7 5 254 10 210 8 2 100 3 9 MCA FT100 4 1 4 1 05 Fig 8 Dimensions Valmet MCA FT50 and FT100 Insta...

Page 18: ...155 6 1 203 8 Fig 9 Dimensions Valmet MCA FT150 and FT200 MCA FT250 10 MCA FT300 12 223 8 7 320 12 5 120 4 7 330 12 9 210 8 2 255 8 8 223 8 7 12 120 370 14 5 355 14 4 7 210 8 2 305 Fig 10 Dimensions...

Page 19: ...A F Mounting dimensions L MIN 500 mm 20 Fig 12 Valmet MCA FT Mounting dimensions 3 5 MCA F process coupling Installing the process coupling Make a 71 mm hole in the flow pipe in line with the sensor I...

Page 20: ...NOTE In a normal delivery the sensor cable is already connected to the TCU 1 Insert the end of the sensor cable that has no connector into the TCU connector casing through the inlet and connect it as...

Page 21: ...e NOTE The current signal cable s protective shield must not be connected from TCU to the device in TCU Rev B The connection is made only from the system The cable s protective shield has been guided...

Page 22: ...lector plate according to the material of the sensor material see Technical specific ations Installing the deflector plate Install the process coupling as instructed in ch 3 5 Check that the sealing r...

Page 23: ...y be asked to select calibration In such a case select calibration of the unit Sensor Electronics TCU that was not changed 3 Allow the device to warm up one hour before starting it up NOTE If the TCU...

Page 24: ...Notes Installation Owner s manual OUL00298 V2 3 EN 24 Valmet Mircowave Consistency Transmitter...

Page 25: ...an also use the button to move between the main display and the function menu Enter Use the Enter button to move between the main display and the Info display In Edit mode use the Enter key to jump to...

Page 26: ...ower right corner of the display to indicate that you can scroll up or down with the up arrow or down arrow MCA FT200 POS 1234 1 C 2 Tu 4 D ENTER 3 Lab Values Cs 3 12 T 56 7C STATUS OK 1 Calibration 2...

Page 27: ...iguration User settings The following menu ap pears Trend Int 10 MIN Position POS 1234 Language ENGLISH Temp unit GEG C Password N Act sigLev ON The display fits four rows at a time Use the up arrow a...

Page 28: ...2 to view corresponding data for the TCU 6 5 Setting the date and time In the Configuration menu select Set clock The follow ing menu appears Date Time 12 14 53 Enter to accept 10 12 10 The date and t...

Page 29: ...gnal level be adjusted The signal level adjustment may cause a small step like change in the consistency measurement Therefore you must put consistency control on manual control if you allow the devic...

Page 30: ...the Filler sens field in the bottom line This is the factor by which the device adjusts the default sensitivity set for the wood fiber The laboratory value for the sample can be entered only once in t...

Page 31: ...moved in one direction or if the change has been back and forth The former case clearly indicates device drifting while the latter case may be a question of a device error or of erro neous laboratory...

Page 32: ...Notes Installation Owner s manual OUL00298 V2 3 EN 32 Valmet Mircowave Consistency Transmitter...

Page 33: ...Cab temp Sensor electronics temperature Proc temp Process temperature Mlev Measurement signal level Rlev Reference channel signal level Mstab Measurement channel signal stability Rstab Reference chan...

Page 34: ...Notes Installation Owner s manual OUL00298 V2 3 EN 34 Valmet Mircowave Consistency Transmitter...

Page 35: ...Lab con 0 00 mS cm Filler sens 1 00 Cs If the conductivity meter shows results in units mS m divide the result by 100 e g 550 mS m 5 5 mS cm If the conductivity meter shows results in units S cm divi...

Page 36: ...dependency in the measurement figure 1 Temperat ure dependency is eliminated by entering into MCA the temperature compensation correction curve To go to the Temperature Compensation menu Select Specia...

Page 37: ...42 0 0 05 2 48 1 0 05 Temp MCA Lab Changing the correction If after the correction there is still some amount of temperature dependency evident you can most easily perform the correction by editing th...

Page 38: ...h is 0 89 To go to the Sensitivity Correction menu select Special Functions Sensitivity Corr The following display appears Input new sens correction 1 00 Press the Edit button and enter the sensitivit...

Page 39: ...the first row Use the up and down arrows to select the desired recipe number 1 4 or the Binary selection method If you select Binary then the recipe is determined by the TCU binary inputs Bin0 and Bi...

Page 40: ...rol lines connected to the TCU connector casing In this case you can use up to four recipes If only one binary input is in use you can use two recipes Select Binary as the recipe selection method acco...

Page 41: ...f air bubbles should be avoided Air formation mechanisms Air is mixed with pulp for example when it is dropped into the stock tank If the level in the stock tank is low if the point of impact in near...

Page 42: ...o the pipe and therefore it is not recommended to install it in a position in which the pulp may contain strings or other such materials which could become wrapped around the Fork Sensor If these mate...

Page 43: ...he device s internal reference channel s signal level in millivolts A decrease in the signal level to below alarm limits is always caused by a sensor electronics failure Mstab Mstab shows the stabilit...

Page 44: ...Notes Installation Owner s manual OUL00298 V2 3 EN 44 Valmet Mircowave Consistency Transmitter...

Page 45: ...of the electronics with the connector on the edge of the base plate Move the electronics and press gently until the guide pins on the base plate are aligned with the holes on the base of the electron...

Page 46: ...s during removal 12 Pull the Pt 100 sensor about 100mm outwards and let it hang by its cables 13 Remove the MCX connector from the probe an tenna by prying with pointed pliers Push the Pt 100 cable to...

Page 47: ...n the base plate so that the cable s clamping bush and O ring start turning in the thread 10 Hold the connector body in place with an 8mm set wrench and use a 10 mm box key attached to the Belzer Torq...

Page 48: ...the cable connector on the base plate carefully out of its hole NOTE Lift the cable by its casing tube not by the cable itself NOTE Be careful not to dent the antenna cable connector on the base plate...

Page 49: ...the sensor body using socket key OUL00325 to 10 Nm torque 5 Install the antenna cable s as described in Chapter 11 2 6 Attach the sensor electronics as described in Chapter 11 1 11 5 Antennas FT Senso...

Page 50: ...its surroundings Perform installation as for FT and Fork sensors Vortex Cooler installation kit contains the following parts 1 Cooler with 6 hose coupling 2 Screws M6x25 2 pieces 3 Lock washers M6 2 p...

Page 51: ...tor to Valmet MCA the following menu appears MCA MCA 1234 Online 1 Measurement 2 Configure 3 Calibrate 4 Diagnostics Measurement Configuration Calibration Diagnostics Range Values User Settings Device...

Page 52: ...onfigure menu you can configure Valmet MCA s current output and certain other parameters Configure menu also shows device information MCA MCA 1234 Configure 1 Range Values 2 User settings 3 Device inf...

Page 53: ...ated with single point calibration Calibrate menu contains menu items for sample taking and entering the laboratory value In addition you can perform a level correction on the measurement perform vari...

Page 54: ...ion allows you to perform level correction on the measurement Move the cursor onto Level corr and press the right arrow The following display appears MCA MCA 1234 Set the offset correction 10 10 0 0 D...

Page 55: ...consistency measurements These er rors can be compensated for with chemical compensa tion based on microwave damping measurement You must perform operations in two menus in order to use chemical comp...

Page 56: ...ration cannot cover it Such a change may be e g A change in consistency greater than the device measurement range 9 15 depending on the type of sensor A change in the measured material since different...

Page 57: ...nostics variables see Chapter 8 2 Diag Alarms Diagnostics variables alarm limits switching alarms on and off see Chapter 8 3 Digital Inputs The state of TCU binary inputs BIN0 and BIN1 Loop test Forci...

Page 58: ...Notes Installation Owner s manual OUL00298 V2 3 EN 58 Valmet Mircowave Consistency Transmitter...

Page 59: ...t 483 Process coupling AISI 316L OPTION Titanium GR2 or Hastelloy C276 Mounting clamps bolts AISI 316 Materials FT models Wetted parts AISI 316 AISI 316L Ceramic Sealing rings Viton Simrit 483 Process...

Page 60: ......

Page 61: ...480 20 g OUL00350 Thermoelement Simulator 1 OUL00351 Spare Part Set MCA F 1 O Ring 13 1x1 6 Simrit 483 5 O ring 23 39 x 3 53 EPDM PC 5 Gasket Ptfe 5 O Ring 90x3 Epdm 5 Lock Washer DIN127 B4 A4 5 Lock...

Page 62: ...ium OUL00263 Sensor Head Titanium OUL00267 Thermoelement Assembly F Titanium Service Kit Options MCA F Hastelloy C 276 Order Code Description OUL00339 Microwave Cable Set F OUL00260 Microwave Antenna...

Page 63: ...L00197 Microwave Cable FT 250 10 2 OUL00216 Microwave Cable FT 300 12 2 7 K13530 O ring 23 39 x 3 53 EPDM PC 2 8 OUL00046 Microwave Antenna AISI 316L 2 9 OUL00189 Antenna Cover FT 150 FT 200 FT 250 FT...

Page 64: ...00010 Sensor Head AISI 316L 1 OUL00263 Sensor Head Titanium Gr 2 1 OUL00264 Sensor Head Hastelloy 1 6 OUL00016 Thermoelement Assembly AISI 316L 1 OUL00267 Thermoelement Assembly Titanium 1 OUL00268 Th...

Page 65: ...duit est conforme aux directives et normes suivantes et les dispositions nationales portant mise en uvre desdites directives Este producto es conforme a los requisitos de las siguientes directivas y n...

Page 66: ...or operating and maintaining the supplied equipment and or software Use of the document for any other project or purpose is prohibited All copyrights to the document are reserved by Valmet Accordingly...

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