Dynisco LDA 415 Operating Manual Download Page 1

Page: 1 / 31

From lab to production,

providing a window into the process

-1-

www.dynisco.com

Rev: 1117

P/N: n/a

ECO: n/a

MDA / LDA / TDA Series

Pressure transducers for high temperatures and high

pressures

Operating Manual

Summary of Contents for LDA 415

Page 1: ...From lab to production providing a window into the process 1 www dynisco com Rev 1117 P N n a ECO n a MDA LDA TDA Series Pressure transducers for high temperatures and high pressures Operating Manual ...

Page 2: ...v 1117 P N n a ECO n a Table of Contents Content Chapter Page Icon General Notes on safety Technical data Function Transport delivery Installation Commissioning Maintenance Accessories Troubleshooting Declaration of conformity 1 2 3 4 5 6 7 8 9 10 11 3 5 6 13 14 16 24 26 28 29 30 ...

Page 3: ...ately accessible location at all times The content of this manual must be read understood and followed in all points by all relevant people This applies in particular to the notes on safety Following the safety instructions will help to prevent accidents defects and malfunctions DYNISCO will not be held liable for any injury loss or damage resulting from failure to follow the instructions in this ...

Page 4: ... manual may not be forwarded to third parties 1 3 Explanation of icons The manual uses icons to indicate information pertaining to safety Risk of destruction or damage to equipment machines or installations General danger to life or limb Specific danger to life or limb You MUST do this The safety instructions are provided again in the individual chapters of the manual 1 4 Abbreviations The followi...

Page 5: ...tions The operator or owner of the larger overall system e g a machine is responsible for following the safety and accident prevention regulations that apply to the specific application 2 Notes on safety The operator or owner of the larger overall system is responsible for following the safety and accident prevention regulations that apply to the specific application Toxic hazard The PT contains a...

Page 6: ...ing and electrical connection of the PT must be done by specialists with EMC training following all applicable regulations and in pressureless voltage free condition with the machine switched off The machine must be secured against being switched back on Burn hazard The PT must be removed with the melt in molten condition The PT can be very hot when removed Wear protective gloves 3 Technical Data ...

Page 7: ... 3 12 Mounting torque 3 13 Environmental Protection 3 14 Weight 3 15 Dimensions 3 1 Ordering guide 3 2 Ordering example xDT4xx x xx xxx x Option Rigid stem flexible stem Pressure range Pressure side connection Amplifier Perf characteristics Mechanical configuration The exact meanings of the letter digit combinations are given in the corresponding sections of chapter 3 MDT462 F 5C 15 46 Melt PT Per...

Page 8: ...f full scale 3 3 2 Repeatability xDT42x x 0 1 of full scale 35 bar and 50 bar 0 2 of full scale xDT46x x 0 2 of full scale 3 3 3 Resolution infinite 3 4 Mechanical configurations XDT4xX x xx xxx xx MDT4x0 LDA 415 stem version MDT4x2 rigid stem and flexible stem TDT432 463 combined pressure and temperature measurement MDT435 467 transducer for limited installation space 3 5 Pressure side connection...

Page 9: ... 350 xDT4xx x xx 5C xx 0 500 xDT4xx x xx 7C xx 0 700 xDT4xx x xx 1M xx 0 1000 xDT4xx x xx 1 4M xx 0 1400 xDT4xx x xx 2M xx 0 2000 Other pressure ranges on request 3 6 2 Max Overload without influencing operating data 2 x full scale pressure up to 700 bar for 1000 bar and 1400 bar range max 1750 bar and 2450 bar for the 2000 bar range 3 6 3 Burst pressure 6 x nominal value max 3000 bar 3 6 4 Limit ...

Page 10: ...ontacts E and F Leakage resistance 1000 MΩ at 50 V 3 9 Temperature influence Housing Max housing temperature 120 C Zero shift due to temperature change on the housing xDA420 series 0 2 full scale 10 C typ xDA460 series 1 0 full scale 10 C typ Sensitivity shift due to temperature change on the housing xDA420 series 0 1 f s 10 C typ 35 and 50 bar 0 2 f s 10 C typ xDA460 series 0 4 f s 10 C typ Diaph...

Page 11: ... EN 50081 1 residential area Immunity DIN EN 50082 2 industrial area 3 11 Materials Diaphragm 15 5PH Mat No 1 4545 Armoloy coated Stem 15 5PH Mat No 1 4545 3 12 Mounting torque max 50 Nm 500 inch lbs min 12 Nm 100 inch lbs 3 13 Environmental protection to IEC 529 PT housing IP54 without connector Standard connector PT06A 10 6S SR IP40 Connector PT06W 10 6S IP64 3 14 Weight 0 6 kg 3 15 Dimensions ...

Page 12: ...From lab to production providing a window into the process 12 www dynisco com Rev 1117 P N n a ECO n a ...

Page 13: ...tic melt up to a temperature of 400 C 750 F maximum pressure 2000 bar 4 2 Description of functions Through a closed liquid filled pressure transmission system the PT furnishes an electrical signal that is proportional to the pressure of the melt The pressure applied by the medium is forwarded to the measuring diaphragm via the separating diaphragm and the transmission medium standard configuration...

Page 14: ...s The PT types correspond to the MDA models and the TPT types correspond to the TDA models the number codes are identical The PT series differs from the MDA series in that all specifications are given in US American units of measure E g 1 bar 14 5 PSI PSI value is rounded 2 54 cm 1 inch All other specifications are the same as in the MDT series 5 Transport delivery 5 1 Transport packing transport ...

Page 15: ...rcury is hazardous waste and must be disposed of in accordance with applicable laws DYNISCO will accept defective PTs If mercury escapes use airtight packaging Alternative non toxic transmission media Oil or NaK available on request ESD sensitive component Electrostatic discharge may damage the PT Take ESD precautions 5 1 Transport packing transport damage Do not let the PT be damaged by other ite...

Page 16: ...ctrical connection 6 5 1 EMC compliant connection 6 6 Connection assignments 6 7 Wiring 6 8 Connection thermocouple RTD element Am bient temperature for the electronics housing max 120 C Higher temperatures can result in damage and malfunctions Mount the PT only in locations where these temperatures are not exceeded 6 1 Mounting hole To produce the mounting hole use only DYNISCO machining tool kit...

Page 17: ...ab to production providing a window into the process 17 www dynisco com Rev 1117 P N n a ECO n a Fig 06 Mounting hole for transmitter MDT 420 460 422 462 432 463 Fig 07 Mounting hole for transmitter MDT467 x ...

Page 18: ...must be correctly machined free from marks and rough edges free from solidified plastic residue 6 2 Checking the mounting hole Paint the test bolt DYNISCO on the marked area figure 08 item 1 with marking ink up to the thread Fig 08 test bolt with marking ink Insert the test bolt in the mounting hole Twist it in by hand until the two sealing surfaces make contact Remove and examine the test bolt Th...

Page 19: ... attention immediately Alternative non toxic transmission media Oil or NaK available on request ESD sensitive component Electrostatic discharge may damage the PT Take ESD precautions Before mounting the PT check the mounting hole carefully The PT must only be mounted in holes that satisfy the requirements stipulated in chapter 6 1 A hole that does not satisfy these requirements can damage the PT B...

Page 20: ...d tighten 6 4 Mounting PTs with flexible stem Mounting a PT with a flexible stem to the pressure sensor is done analogously to the procedure in 6 3 Avoid kinking or crushing the flexible stem Minimum bending radius 25 mm for protected capillary 2 mm for unprotected capillary MDT 435 467 The connector must be easily accessible Mount the electronics housing of the PT with the fastening clip DYNISCO ...

Page 21: ...egulations and in pressureless voltage free condition with the machine switched off The machine must be secured against being switched back on ESD sensitive component Electrostatic discharge may damage the PT Take ESD precautions Avoid laying the power cable in the direct vicinity of cables carrying higher voltages or switching inductive or capacitive loads An EMC compliant power supply must be us...

Page 22: ...liant switch cabinet for example connect the shield correctely cable gland conducting full contact continuous to the conductive housing or route it via built in cable connector that is also connected to the conductive housing Connect unused cable cores or free cable ends correctely to the cable shield on both sides For order numbers of EMC compliant cable connectors required for connecting the PT ...

Page 23: ...a Modelle PT 4xx PT 420 x 422 x 435 x TPT432 x Equipment connector 8 pin male Bendix PC02E 12 8P Cable socket PC06A 12 8S SR Fig 12 8 pin female connector Top view solder side The connector housing is connected conductively to the housing of the PT 6 7 Wiring Fig 13 Wiring proposal 6 wire strain gauge ...

Page 24: ... 2 Calibration 7 3 Zero adjustment 7 4 Operation Before putting the PT into operation make sure the PT is securely mounted and sealed 7 1 Supply voltage DYNISCO recommends operating the pressure transducer with a supply voltage of 10 VDC Supply voltages from 6 to 12 VDC are permitted Using a supply voltage which is different from that stated in the technical specifications or has reversed polarity...

Page 25: ...fier to pressureless state zero point Connect terminals E and F The calibration signal is connected to the output Set the calibration value 80 of nominal pressure on the display unit or external amplifier Check the zero point setting on the display unit once again 7 3 Zero adjustment For PTs of series MDT 420 x 460 x adjust zero at operating temperature Wait until a steady operating temperature is...

Page 26: ...ched back on Burn hazard The PT must be removed with the melt in molten condition The PT can be very hot when removed Wear protective gloves ESD sensitive component Electrostatic discharge may damage the PT Take ESD precautions Always remove the PT before cleaning the machine with abrasives ro steel wire brushes or suchlike Before removing the PT the medium must be in molten condition Removing the...

Page 27: ...e hexagon socket screw at the top end of the sensor stem Remove the defective thermocouple from the probe stem When fitting the new thermocouple the pressure transmitting capillary must be located in the slot of the thermocouple Insert the new thermocouple all the way into the probe stem Tighten the hexagon socket screw at the top of the sensor stem to secure the thermocouple Fig 16 Thermocouple ...

Page 28: ...If mercury is inhaled or swallowed seek medical attention immediately Mercury is hazardous waste and must be disposed of in accordance with applicable laws DYNISCO will accept defective PTs If mercury escapes use airtight packaging Please send defective PTs to your DYNISCO representative For addresses see the back cover of the operating manual 9 Accessories Machining tool kit 20UNF 2A P N 8BRD0004...

Page 29: ...alignment error Mounting torque too high Check hole with test bolt chapter 6 2 rework with tool if necessary Adjust to max 50 Nm mounting torque Check mounting hole remove solidified plastic Send pressure transmitter to DYNISCO for repair Plug forming in front of diaphragm Diaphragm damaged No signal change despite pressure rise Possible cause Cable breakage or poor contact No supply voltage Resol...

Page 30: ...From lab to production providing a window into the process 30 www dynisco com Rev 1117 P N n a ECO n a 11 Declaration of conformity ...

Page 31: ...isco com Dynisco Instruments S a r l 466 rue du Marché Rollay 94500 Champigny sur Marne France Tel 33 1 4881 8459 Fax 33 1 4881 8334 Email DyniscoFrance dynisco com Dynisco s r l Via Adriatico 2 2 20162 Milano Italia Tel 39 02 661 01733 Fax 39 02 661 02908 Email DyniscoItaly dynisco com Dynisco UK Ltd Unit 2B Crowood House Gipsy Lane Swindon SN2 8YY Great Britain Tel 44 1527 577077 Fax 44 1527 577...

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