Measuring equipment for extruders Operating Instructions
Contents
1. standard length will be 3 m Mercury free High Temperature gt 300 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Melt Pressure Transducer DAIP Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany Phone 49 0 5731 5307 0 Fax 49 0 5731 5307 77 Mail gneuss gneuss com www gneuss de Melt Pressure Transducer DAIP2. Melt Pressure Transducer DAIP Operating Instructions Melt Pressure Transducer DAIP CE Zertifiziert nach ISO 9001 Please read this instruction manual carefully before installing the transducer Contents Introduction Operating range and field of application Danger areas Waste disposal 4 2 3 4 5 Transport and storage 6 Cleaning of the sensors 7 Installing Uninstalling 8 Connecting and commissioning of the DAI 9 Sensor heating 10 Technical data 11 Dimensions Melt Pressure Transducer DAIP Measuring equipment for extruders qneul3 ae 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 2 of the measuring range based on the diaphragm surface is not exce
3. 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 Electrical wiring configuration 3 Wire Sensor Connector type 2 10 6 0 10V 0 4 20 gt F Ap oF Pin Function Colour coding Gneu cable A Signal yellow B Supply Signal Auto Zero white C Supply brown D free green E Auto Zero pink F 80 grey 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 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae Electrical wiring configuration 4 Wire Sensor Connector type 2 10 6 0 10V R 0 4 20mA Ap oF Pin Function Colour coding Gneu cable A Signal yellow B Signal Auto Zero 2 white C Supply brown D Supply Auto Zero green E Auto Zero pink 80 grey Pins Band D are connected internally In order to activate the Auto Zero function pins A C and D must be connected Only the Ze
4. 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 See order specification 19 32 VDC 0 10 V 0 20 mA 4 20 mA see order specification Type J L PT 100 see order specification 24 V 150 W 80 of measuring range lt 0 50 FSO respectively lt 0 25 FSO see order 150 of measuring range lt 0 003 from final value C lt 0 003 from final value C 300 C with NTX filling W 400 C with Hg filling M 500 C with Nak filling N 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 1 11 Dimensions Melt Pressure Transducer DAIP nam HH For available variations see order specification MATT TT ITT All ui Measuring equipment for extruders qneul3 ae Melt Pressure Transducer DAIP Order specification DAIP series Pressure Transducer Premium with V or mA output with temperature measurement heated Order spscineation gt HI HI IE IT IB TTS IT Standard configuration DAIP To
5. eded 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 gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae 7 Installing Uninstalling Installing On installation of the pressure transducer it is imperative to note that the se
6. en 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 gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae 10 Technical Data Pressure range Supply Outputsignal Temperature element Heater Calibration point Accuracy specification Maximum over load Zero deviation
7. nsor 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 It is of vital importance that the force for installing the sensor must only be applied at the shaft hexagon Do not apply any force to the sensor head Starting torque for 1 2 20 UNF 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 It is of vital importance that the force for installing the sensor must only be applied at the shaft hexagon Do not apply any force to the sensor head di M18x1 5 20UNF 2A d2 010 1 05 7 9 70 ER d3 16 1 0107 LL E 020 913 d4 50 Ta TH a 6 1 ay A Aa b 4 3 20 1 02 Aas 25 19 b a Gneuss Kunstst
8. offtechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders ae 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 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 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 initiated by a short connection of the corresponding wires see wiring configuration For the DAI version with optical AUTO ZERO initiation DAI 6PA the zero point calibration can be initiated directly at the
9. rcuryree High Temperature gt 300 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae Melt Pressure Transducer DAIP Order specification DAIP series Pressure Transducer Premium with V or mA output with temperature measurement heated Order speemestion gt fowr f HI GH IH II Standard configuration Daip Total measurement error FSO Ei 0 25 1 Output signal z 4 20 mA 2 wire E2 Zz 4 20 3 wire E3 4 20 mA 4 wire E4 A 0 20 MA 3 wire 03 0 20 G D pe O V wre gt 0 10 V 4 wire c4 Thermocouple Thermocouple type J TH J ermocouple type L 1 ermocoup JR AR Meas resistance PT 100 2 aire Meas resistance PT 100 gt wre p gt Meas resistance PT 100 4 wire PT 4 Thread connection 112 UNF 24 12 A M13xX15A 18 A 1 5 Pressure range psi 1500 P 15H 3000 P 30H 5000 P 50H 6000 7500 P 75H 000 IH 0000 at 0 12000 1 21 15000 15T 20000 P 207 30000 P30T 3 z z z Cable ext stainiess stesi 3m Special dssign No special des 000 Special design As standard all diaphragms are coated against adhesive and glutinous media Special coatings are avaliable on request For cable exit please confirm cable length Unless specified
10. ro 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 and D must be connected Electrical wiring configuration 4 Wire Sensor Version 98 Connector type 2 98 0 10V ae 0 4 20 5 E B 2 8 Pin Function Coulour coding Gneu cable A Auto Zero pink B Signal yellow C Signal Auto Zero 6 white D Speisung Auto Zero green E Speisung brown F 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 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae The 80 signal is generated by connecting pins F C and D Thermo couple connection PCA 0S 302 CLL Thermocouple Heater connection PCA 3S 302 CLL Sensor heating 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 measurement at any time The integrated heating serves to protect the sensor from damage to the membrane wh
11. sensor For this remove the screw plug near the connecting plug and direct the beam of an LED flashlight into this opening for approx 3 5 seconds Insert the screw plug again afterwards it simply serves for protection against contamination and extraneous light The protection class is not impaired even without the screw plug being fitted 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 Gneuss Kunststofftechnik GmbH Moenichhusen 42 32549 Bad Oeynhausen Germany mail gneuss gneuss com web www gneuss com Version 2 1 Measuring equipment for extruders qneul3 ae Electrical wiring configuration 2 Wire sensor Connector type 2 10 6 4 20 SF Apg oF Pin Function Colour coding Gneu cable A Supply Signal yellow B Supply Signal white free brown D Auto Zero green E 80 pink F Auto Zero 80 grey Pin D and Pin F are utilised fort he activation of the Auto Zero function The Zero point is hereby merely
12. tal measurement error FSO 0 25 1 Output signal 4 20 mA 2 wire E2 4 20 mA 3 wire E3 4 20 mA 4 wire E4 0 20 mA 3 wire D3 0 20 mA U 0 10 V 3 wire c3 0 10 V 4 wire C4 Thermocouple Thermocouple type J Thermocouple type L Thermocouple typ K Meas resistance PT 100 2 wire Meas resistance 100 3 wire Meas resistance PT 100 4 wire Thread connection H Hj Hf TTT ar 1 2 UNF 2A MIS X15A M16 x 1 58 co wj gt Pressure range bar 323323323 cn cn cn cn co co w co w co 4 4 kaad amp Co ho S B S So Oo ajajaja TIT TN NN NINI NIN Shaft length rigid 152 mm 6 stan Special shaft length Length of flexibis capillary 457 mm 18 stand 610 mm 24 760 mm 30 Special length we wo Diaphragm Alloy 7187 l Special diaphragm 5 Sensor medium Mercury tree nigh temperature Mercury z z Electrical connection 6 pole connection standard pole connection with opt auto zero BPA connection EP b pole connection 35 SE exit stainiess steel im 33 Special design No special design gn x o As standard all diaphragms are coated against adhesive and glutinous media Special coatings are avallable on request For cable exit please confirm cable length Uniess specified the standard length wili be 3 m Me
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