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Operating manual

DE45 ... R/S

Digital differential pressure switch / transmitter

with colour-change LCD

for explosive areas

Dust explosion protection zone 22, dry dusts

Gas explosion protection zone 2, gases and vapors

09005703 • BA_EN_DE45_ATEX_LCD • Rev. ST4-I • 07/22

*09005703*

Summary of Contents for DE45 R/S Series

Page 1: ...g manual DE45 R S Digital differential pressure switch transmitter with colour change LCD for explosive areas Dust explosion protection zone 22 dry dusts Gas explosion protection zone 2 gases and vapo...

Page 2: ...cessed duplicated or distributed using electronic systems or any other form print photocopy microfilm or another process without the written consent of the company FISCHER Mess und Regeltechnik GmbH B...

Page 3: ...escription 7 2 1 Use as intended 7 2 2 Part designations 8 2 3 Function diagram 8 2 4 Design and mode of operation 9 3 Installation 10 3 1 General 10 3 2 Process connection 10 3 3 Electrical connectio...

Page 4: ...tue of their specialized training their skills and experience and their knowledge of the pertinent standards For explosion proof models the specialized personnel must have received spe cial training o...

Page 5: ...so applies to replacement parts Only the manufacturer is authorised to make any modifications or changes 1 6 Inadmissible Modes of Operation The operational safety of this instrument can only be guara...

Page 6: ...source of danger This indicates a potentially dangerous situation that could lead to death or ser ious injury medium danger level 1 Avoid danger by observing the valid safety regulations CAUTION Type...

Page 7: ...hazard area classification Dust explosion protection Devices with the order code DE45 00 KWDL S are suitable as Electrical equipment for use in areas with combustible dust Zone 22 dry dusts Designatio...

Page 8: ...Membrane keyboard 5 M12 connector 2 4 pin male 2 LC display 6 M12 connector 1 5 pin male 3 Casing lid 7 Process connection 4 Lower part of casing 8 Process connection 2 3 Function diagram 2 1 3 4 5 6...

Page 9: ...icon diaphragm equipped with piezo resistive resistors When the pressure is equal the measuring diaphragm is in its idle state In the event of differential pressure the diaphragm is moved toward the l...

Page 10: ...at any falling objects cannot collide with the in stalled unit Steps must be taken to prevent w sparks being generated on impact w invalidation of the protection class of the casing 1 This can be avoi...

Page 11: ...tional electro technical regulations must be observed Disconnect the system from the mains before electrically connecting the device Install the consumer adapted fuses Do not connect the connector if...

Page 12: ...white 3 SP2 Switch point 2 com blue 4 SP1 Switch point 1 com black 3 3 3 Ground connection WARNING Static electricity The case must be equipped with an earth connection on the side to reduce the surfa...

Page 13: ...5 or 6 digit presentation see Parameter MB decimal place Fig 9 Display SP1 SP2 The unit is shown on the right of the display If the device is equipped with con tacts a closed contact is always symbol...

Page 14: ...The value is saved with the button To leave a menu level or the entire menu select the parameter Menu level Quit and press Example Switch on point set switchpoint 1 In normal mode press the button to...

Page 15: ...ng Menu Level Output Menu Level Function Menu Level Display Menu Level System Reception Output Output Menu level Quit Menu level Quit Fig 11 Menu levels The following tables provide an overview of the...

Page 16: ...wn in the valid unit and set accordingly Both parameters can be set in dependently over the entire value range The value range ranges from MRS 50 to MRE 50 MRS stands for measuring range start and MRE...

Page 17: ...many cases unsteady readings are not a problem during normal operating mode but this is not true for the idle state i e if a measured value of zero is ex pected The parameter Zero pt wind is designed...

Page 18: ...he set values also refer to the pres sure in the respective unit However the signal values current voltage for Start of measuring range and End of measuring range are fixed If MB start is smaller than...

Page 19: ...the device itself 4 3 5 Menu Level Function The Function menu level is a variable menu whose appearance depends on the value of the Function parameter There are linear square rooted and table func ti...

Page 20: ...2 Value pair 2 Value pair3 Value pair 3 Value pair30 Value pair 30 The display range is defined with the parameters MB decimal pl MB start and MB end The user can select the configuration freely Using...

Page 21: ...ith the Value pair1 to Value pair30 parameters A value pair comprises a measured value left side and a display value right side The measured value must lie within the measur ing range and the display...

Page 22: ...le The set time is only valid if the parameter Colour is not set to off Amongst other things the legibility of the display depends on the temperature and the reading angle To ensure optimised legibili...

Page 23: ...rther option to prevent unwanted colour changes The colour change here can be delayed between 0 1800 s The parameter Lighting can be used to define when the lighting should be switched off after the l...

Page 24: ...Red switch Yellow red switchover Hysteresis Hysteresis 0 1 10 0 Delay Delay 0 1800 s Colour Colour Off red green yel low blue pink tur quoise white Auto1 Red green Auto2 Red yellow green Lighting Lig...

Page 25: ...Colour is set to Auto2 Only the green yellow and red ranges are required here To fade out the lower ranges red and yellow the switch thresholds red yellow switching and yellow green switching are set...

Page 26: ...tion The basic measuring range the defined output signal and existing contacts are stated in the Config Info The Statistics provide information about the operating time and the relay switching cycles...

Page 27: ...N_DE45_ATEX_LCD 27 40 NOTICE Delivery condition If the user has not yet saved a configuration the default values status on deliv ery are loaded In this case any measuring range spreads or switch point...

Page 28: ...t cycles and operating and ambient conditions need to be adjus ted If several components of the unit interact all operating instructions of the other units also need to be observed WARNING Dust deposi...

Page 29: ...0 500 750 0 100 0 10 0 500 750 0 160 0 16 0 1500 3000 0 250 0 25 0 1500 3000 2 5 250 0 25 50 150 4 400 0 4 50 150 6 600 0 6 50 150 10 1000 1 0 100 300 16 1600 1 6 100 300 25 2 5 250 750 40 4 0 250 75...

Page 30: ...utput Sig 5 not connected A Coding 1 Switch output 1 2 Switch output 2 3 Switch output 2 4 Switch output 1 Fig 18 Electrical connection DE45_LCD 6 4 Measuring accuracy Characteristic curve deviation N...

Page 31: ...Enclosure protection class IP65 as per EN 60529 EMC EN 61326 1 2013 EN 61326 2 3 2013 ATEX EN 60079 0 2012 A11 2013 EN 60079 31 2014 Dust EN 60079 15 2010 Gases and vapours RoHS EN IEC 63000 2018 6 6...

Page 32: ...all mounting plate Connector 1 Connector 2 4x boreholes for sheet metal screw 3 5 Hose screw connection for 6 or 8 mm hose M12 plug connection 90 75 70 5 71 5 78 75 83 63 5 26 Model for zone 22 Ground...

Page 33: ...uring range unit mbar Pa free unit starting value end value and decimal point for free unit Output signal User definable within the basic measuring range 1 Zero point stabilising 0 of the basic measur...

Page 34: ...tion D E 4 5 13 14 15 unused 16 17 18 19 20 21 3 4 Code no Type Measurement range Device specification 1 2 Measuring range 52 0 4 mbar 53 0 6 mbar 54 0 10 mbar 55 0 16 mbar 56 0 25 mbar 57 0 40 mbar 5...

Page 35: ...or for 6 4 mm hose P8 Pneumatic plug connector for 8 6 mm hose 7 Output signal 0 without output signal A 0 20 mA 3 wire P 4 20 mA 3 wire C 0 10 V 3 wire 8 Operating voltage K 24 V AC DC 9 Measuring un...

Page 36: ...specify the device as requested by the customer and agreed with our sales department 7 2 Accessories Order no Designation No of Poles Length 06401993 Connection cable for switch outputs with M12 conn...

Page 37: ...FISCHER Mess und Regeltechnik GmbH Attachments 8 BA_EN_DE45_ATEX_LCD 37 40 8 Attachments 8 1 EC Declaration of conformity Fig 19 CE_EN_DE45_LCD_ATEX...

Page 38: ...8 Attachments FISCHER Mess und Regeltechnik GmbH 38 40 BA_EN_DE45_ATEX_LCD 8 2 UKCA Declaration of Conformity Fig 20 UKCA_EN_DE45_LCD_ATEX...

Page 39: ...FISCHER Mess und Regeltechnik GmbH Attachments 8 BA_EN_DE45_ATEX_LCD 39 40 8 3 EAC declaration Fig 21 EAC_RU_DE...

Page 40: ...lefelder Str 37a D 32107 Bad Salzuflen Tel 49 5222 974 0 Fax 49 5222 7170 www fischermesstechnik de info fischermesstechnik de Technische nderungen vorbehalten Subject to technical changes Sous r serv...

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