Measuring equipment for extruders Operating Instructions Melt
Contents
1. Melt Pressure Transducer DAIP Operating Instructions Melt Pressure Transducer DAIP Zertifiziert nach ISO 9001 Please read this instruction manual carefully before installing the transducer Melt Pressure Transducer DAIP Contents Introduction Operating range and field of application Danger areas Waste disposal Transport and storage Cleaning of the sensors Installing Uninstalling CON OO A OUO N Connecting and commissioning of the DAI 9 Sensor heating 10 Technical data 11 Dimensions Measuring equipment for extruders qneul3 TUNE 1 Introduction Melt pressure transducers are precise measuring probes which obtain their measuring accuracy and long life span only if they are properly handled These operating instructions should be studied carefully before installing the sensor thus ensuring a trouble free operation Nevertheless should you encounter any difficulties please feel free to contact our service technicians who will be pleased to be of assistance 2 Operating range and field of application Gneuss melt pressure transducers have exclusively been designed for the pressure monitoring of liquid doughy or pasty materials at high temperatures These must have a homogeneous constitution The application area has to be selected in such a manner that a max Differential pressure of 296 of the measuring range based on the diaphragm surf2. Electrical wiring configuration 2 Wire sensor Connector type PTO2A 10 6P 4 20mA e Ap oF D Ce Pin Function Colour coding Gneu cable Auto Zero green E 8096 pink Pin D and Pin F are utilised fort he activation of the Auto Zero function The Zero point is hereby merely shifted The signal amplification is not affected as it is shifted linear to the zero point In order to generate the 80 signal pins E and F must be connected Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss 2gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 ee Electrical wiring configuration 3 Wire Sensor Connector type PTO2A 10 6P 0 10V e 0 4 20mA erc Ap oF D Ce e Pin Function Colour coding Gneu cable Supply Signal Auto Zero In order fort he Auto Zero function to be activated pins E and B have to be connected with each other Only the Zero point is shifted The signal amplification remains untouched as it shifts linear to the zero point In order to generate the 80 signal pins F and B must be connected Electrical wiring configuration 4 Wire Sensor Connector type PTO2A 10 6P 0 10V 0 4 20mA Ag oF Pin Function Colour coding IT eme u Li Pins B and D are connected internally Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com
3. web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 TUNE In order to activate the Auto Zero function pins A C and D must be connected Only the Zero point is shifted The signal amplification remains in place as it shifts linear to the zero point In order to generate the 80 signal pins F C and D must be connected Electrical wiring configuration 4 Wire Sensor Version 98 Connector type 2 98 0 10V 0 4 20mA Pin Function Coulour coding Gneu cable C Signal Auto Zero i white Speisung Auto Zero green 80 grey Pins C and D are connected internally In order to activate the Auto Zero function pins A C and D have to be connected This leads to a shifting of the zero point The signal amplification remains in place as it shifts linear to the zero point The 80 signal is generated by connecting pins F C and D Thermo couple connection PCA 0S 302 CLL 1 2 Thermocouple Heater connection PCA 3S 302 CLL 24 150 W Jill Sensor heating Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 TUNE 9 Sensor Heating The pressure transducer DAlpremium is a high efficient sensor with integrated thermocouple and integrated heating element During the production process the thermocouple can be used as control m
4. available ex stock Pressure sensors of the type DAI are fitted with an integrated pressure amplifier which depending on version can offer a standard signal in accordance to the pressure range On commissioning the sensor must be calibrated to the corresponding evaluation unit The calibration process must be carried out when the line is heated and at zero pressure Please proceed as described below Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 TUNE After installation and sufficient warming up period of the pressure sensor a zero adjustment of the sensor has to be performed by activating the AUTO ZERO function The AUTO ZERO function is either performed by a short activation of the optional AUTO ZERO button sunken next to the cable connector or by temporarily connecting the corresponding lead wires See wiring diagram The integrated amplifier will thereafter transmit the starting value of its output scale OV at 0 10V OmA at 0 20mA and 4mA at 4 20mA output signal Function is suppressed if the output signal is more than 5 of the maximum value Afterwards an 80 inspection of the output signal can be performed All corresponding lead wires need to be connected for this procedure see wiring diagram The pressure sensor will now supply a signal which is according to 80 of the measuring value
5. ace is not exceeded Any use beyond the above mentioned application area does not conform to regulations 3 Danger areas In the complete application area of the melt pressure transducer there is a risk of combustion If the pressure transducer is not installed or uninstalled correctly during the applying of pressure there is a risk of hot media emerging 4 Waste disposal Pressure transducers filled with mercury have to be disposed of as hazardous waste A free of charge and ecologically friendly disposal can be carried out by Gneuss Kunststofftechnik GmbH 5 Transport and storage Gneuss pressure transducers are generally dispatched in separate packages In case of mechanical exposure the sensing diaphragm is protected by an aluminium cap This cap should be screwed on at all times of storage 6 Cleaning of the sensors In order to clean the diaphragm the sealing surface and the process thread the sensor must have the same temperature as the plastic melting point The diaphragm and the sealing surface can be wiped down with a soft cloth the thread can be cleaned with a steel brush Do not come into contact with the diaphragm surface Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss 2gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 TUNE T Installing Uninstalling Installing On installation of the pressure transducer it is imperative t
6. easurement at any time The integrated heating serves to protect the sensor from damage to the membrane when processing problematic plastic melts e g polycarbonate since these contract very much when cooling down In the production process it is sufficient to set the nominal value of the temperature control approx 30 50 C below the melt temperature By switching on the heating the front part of the sensor incl membrane can be adjusted to such a temperature that the melt in the membrane area remains viscous Further the heating can be used to help to remove the sensor out of a cold machine For this it is normally sufficient to heat up the sensor for approx 15 to 30 minutes depending on the temperature Attention The sensor heating must always be controlled by the integrated thermocouple The sensor should only be heated up when being installed otherwise the heating element might be damaged During the heating process the temperature level in the whole sensor and drilling area can be very high After having installed the pressure transducer in the line as described under point 7 the electrical connection has to be carried out according to the connections indicated section 8 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss 2gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders qneul3 TUNE 10 Technical Data Pressure range Supply Outputsignal Temperatu
7. ny Phone 49 0 5731 5307 0 Fax 49 0 5731 5307 77 Mail gneuss gneuss com www gneuss de
8. o note that the sensor bore corresponds to the dimensions mentioned below The fitting accuracy can be checked by means of a test bolt Prior to mounting the sensor the thread should be covered with a heat resistant paste Should the machinery with the sensor drilling still be at production temperature a certain preheating period for the sensor should be taken into consideration in order to avoid a seizing of the sensor due to thermal expansion On mounting the transducer it is important to note that the sensor is not screwed in at an angle and that the sensor does not fall into the bore Starting torque for 1 2 20 UNF z max 30 Nm Starting torque for M 18 x 1 5 max 50 Nm Uninstalling The uninstalling of the pressure transducer has to be done in a heated up condition plastic melting point On removal of the sensor please take note that the diaphragm is not brought into contact d1 M18x1 5 2 20UNF 2A a2 gio 9 43 um DOT Ele a ea ent a 8 Connections and commissioning After the pressure transducer has been installed into the line as described in section 7 the electrical connections have to be applied according to the connections indicated in section 8 Gneuss pressure transducers are equipped with high quality and robust plug connections The connecting wire should be soldered with great care as transmission errors of signals can otherwise occur We recommend using Gneuss prefabricated connecting wires which are
9. om Endwert 0 25 1 E E Ausgangssignal 4 20 mA 2 Leiter E 2 A 4 1 arte 0 20 mA 3 I1 eiter i 0 20 mA Leite 7 10 V 4 Leiter Thermoelement Typ J TH J element element Messwilerstand PT 100 2 Leter WMesswierstand PT 100 3 Lefter Messwierstand PT 100 4 LeFer Mechanischer Anschluss 1 2 UHF 2A M1B x 1 5 Y Lp Druckbereich bar I m m T3 TJ rr CO Er Hd p os Ro cn Pad I ATI BHL iTi E 1 a T SUL Schaftl nge starr 457 mm 18 Standard F5 mm i mm U Sonderl nge Fa Membranausf hrung LLLI EE eet RR ER ER DR ER LET SE uecksil Elektrischer Anschluf amp poliger Anschlu Standard 6 F B poliger Anschluss dr C potiger Anschlu 98 B Kabelausgang Edelstahl 3m T ab Messbereich gt 100 bar Alle Membranen werden gegen anhaftende und klebrige Medien im Standard beschichtet Sonderbeschichtungen sind auf Anfrage m glich Bei Kabelausgang bitte Lange angeben Ohne be betragt die Standardlange 3 Meter Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 0 Measuring equipment for extruders gneul uin Order specification DAIP series Pressure Transducer Premium with V or mA output wi
10. re element Heater Calibration point Accuracy specification Maximum over load Zero deviation with Temperature Variations at the membrane Zero deviation with Temperature Variations at the measuring head Maximum temperature at The membrane Maximum Temperature at The measuring head EMC according to Degree of protection oee order specification 19 32 VDC 0 10 V 0 20 mA 4 20 mA see order specification Type J K L PT 100 see order specification 24 V 150W 80 96 of measuring range lt 0 50 FSO respectively lt 0 25 96 FSO see order 150 of measuring range 0 003 from final value C lt 0 003 from final value C 400 C 85 C Electromagnetic distrubances and electromagnetic susceptibility EN 61326 IP 55 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 0 Melt Pressure Transducer DAIP 11 Dimensions 6 0 1s 3 1 97 RER LIU za LEE n TM Vl a5 3 8 sw17 flexible w U Wy MM I Temperaturf hler gt D2 For available variations see order specification Measuring equipment for extruders gneul uin Bestellcode DAIF Druckaufnehmer Premium mit V oder mA Ausgang mit Temperaturmessung beheizt gt oa H Standard Ausf hrung Genauigkeit v
11. th temperature measurement heated I measurement error FSO LI 0 25 1 Output signal Mi 4 20 mA 2 wire 2 N 1 20 mA d wire FZU mA wire NI 20 mA d wire iE G m 7 10 V 4 wire Thermocouple mi Thermocouple type J TH J ii ermocouple type 7 er CHE Die type H Meas resistance PT 100 2 aire 5T i Meas resistance PT 100 aire PT 3 Meas resistance PT 100 4 wire T i a 1 27 UNF 2A 12 A LJ MS x 1 5 8 EN Pressure psi E 250 257 ua road al P 7 E IH HH FT E din PETER E B ETE IH E 3000 PS0H DU LE T2000 12 E TER i Shaft length rigid 152 mm 6 standard Special 5 en Zu Length of flexible capillary b 457 mm 18 standard F5 mm 24 ra FOU mm 30 FI au specia engm ro Electrical connection u amp pole connection standard 6P Special design No special design 000 pecia KR XK AS a standard all diaphragms are coated against adhesive and glutinous medial Specal coatings are available on request For cable exit please confer cable length Unless speci ed the standard length will be 3 m Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 0 Melt Pressure Transducer DAIP Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germa
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