Operating instructions
Contents
1. Operating voltage E EE EE gt A 12 1 Accessories EU03 F200 Transmitter PC interface incl software RS232 cable RS 232 USB adapter and PSU incl adapter cable for 9V block batter 13 Dimensional drawing Skt SW 55 13 1 Electrical connection ER gt S gt N F i b NIS AN Air supply fitting FASCHER VA MEss UND REGELTECHNIK 14 Declaration of Conformity developing solutions MESS UND REGELTECHNIK FASCHER EG Konformit tserkl rung EC Declaration of Conformity Wir erkl ren in alleiniger Verantwortung dass We declare under our sole responsibility that the nachstehend genannte Produkte products mentioned below Es Kkr pn umatis onar Electropneumatic Level Transmitter F llstandtransmitter ME56T H HHHH gem g ltigem Datenblatt bereinstimmen mit den as specified by the current data sheet complies with EMV Richtlinien EMC directives 2004 108 EG EMV 2004 108 EC EMC Die Produkte wurden entsprechend der folgenden The products were tested in compliance with the Normen gepr ft St rfestigkeit f r Industriebereich following standards Interference immunity for St raussendung f r Wohnbereich industrial environments interference emission for residential environments DIN EN 61326 1 2004 05 DIN EN 61326 1 2004 05 _ DIN EN 61326 2 3 DIN EN 61326 2 3 DIN EN 61010 1 2002 08 DIN EN 61010 1 2002 08 D2. for compressed air supply Material for medium contacted parts Housing material Protection class Electrical Data Rated voltage Operating voltage Output voltage Current limitation Burden at rated voltage Burden Temperature drift at the zero point Temperature drift in the measuring range Connection Type of connection Pneumatics Compressed air supply Min supply pressure Air consumption Air quality 0 5 of the measuring range lt 0 1 of the measuring range 20 C to 60 C 20 C to 60 C Internal thread G 1 Internal thread G 1 4 CrNi steel 1 4571 and 1 4305 Chemically nickel plated brass ceramics FPM CrNi steel 1 4571 IP 65 as per DIN EN 60529 24 VDC 15 30 VDC 4 20 mA 3 2 22 5 mA lt 400 QA R Q lt Us 15 V 0 0225 A 0 4 FS 10 K 0 05 FS 10 K Circular connector M12 Two wire 2 7 bar 0 5 bar over the measuring range ca 30 NI h pure dry and oil free lt 5 um filtered dew point lt 25 C MESS UND REGELTECHNIK FASCHER 12 Order information Electropneumatic level transmitter mess T YJYJBJM A Model Electropneumatic level transmitter T Measuring range 0 EE gt 5 7 0 00 MDA see gt 5 8 0 100 TE gt 5 9 Dr 22 i E gt 6 0 0 40O MDAT ee gt 8 2 0 1 bar gt 8 3 0 16 Da sebatas lina a a a gt 0 3 Electrical output signal A 20 MA WOWO Seen ee gt B Electrical connection Circular connector Mi gt M
3. menu For menu navigation use the keys and To activate the menu please press the key until the display shows This is the first parameter In all there are 10 parameters For parameter entry use the key to change into the input mode Now enter the value by using the numeric keypad Afterwards you can change the algebraic sign by pressing Input is completed by pressing the key 1 Adaptation is also possible by way of remote parameterization Use the key to get to the next parameter Close the menu and change into operating mode by pressing the key 5 2 2 Example Input of damping gt Press the key until comes up on the dis play gt Now press the key several times until the dis play shows the identification 5 for the offset correction parameter gt Press to change into input mode gt Enter the value for the desired damping e g 150 for 15s gt Press the key to complete the input The dis play again shows the identification 5 for the damping parameter gt Press the key to exit the menu and to change into operating mode 5 2 3 Overview Activates the menu Goes to the next parameter End of input mode Closes the menu with the last parameter Changes into input mode Change of algebraic sign Closes the menu Measuring range spread 4 mA point Measuring range spread 20 mA point j Offset correction
4. 20 mA Compressed air supply Venting line Inclination at least 3 FASCHER TA Ess UND REGELTECHNIK 4 2 Sounding pipe A G1 thread is provided for the sounding pipe s connection Therefore a 1 tube should be used as a sounding tube For high viscosity measuring media tubes with a smaller diameter can be used but diameters should not fall below 6 mm clear width The sounding pipe end shall be cut off at an angle and end at least 50 mm above the tank bottom to ensure that air can bubble through without an in creased resistance The cut off angle must be be tween 30 and 45 cf detail X below Detail X Sounding tube 1 Tank bottom 4 3 Connection to central compressed air The supply line s connection may be effected using commercially available cutting ring connection compression fitting or pneumatic screw connection The tubes used for connection should have an in ternal diameter of 4 to 6 Hazards posed by pressure inside the device shall be prevented by adequate measures 4 4 Electrical installation The device may only be installed by an authorized electrician or qualified personnel who have had proper instruction e Disconnect the system from the mains before connecting the device Do not disconnect the connector plug while it carries current FASCHER gt ess UND REGELTECHNIK 5 Commissioning A precondition for commissioning is the correct in stallation of a
5. 25 05 2010 BA_GB_ME56T DOCX solutions developing Operating instructions MESS UND REGELTECHNIK F SCHER ME56T Electropneumatic Level Transmitter Content Safety instructions Designated use Product and functional description Installation and assembly Commissioning Maintenance Transport Service O GON OO P W N Accessories O Disposal ech _ Technical Data NO Order information LA Dimensional drawing ech IN Declaration of Conformity 1 Safety instructions 1 1 General This operating instructions contain basic and essential instructions on installation operation and mainten ance of the device Prior to assembly and commissioning it is imperative that the assembly technician the owner and spe cialist staff responsible for the device read the op erating instructions which shall be available at the operating location at any time The sections 1 2 1 7 on general safety require ments as well as the following notes on intended use and disposal 2 10 contain important safety instructions the non observance of which may result in animal or human health risks or might endanger property f AT 1 2 Personnel qualification The staff commissioned with assembly operation maintenance and inspection shall be sufficiently qualified regarding the assigned work and must have had the necessary training for the required
6. 4 Range correction 5 Damping 5 Lower output current limit 7 Upper output current limit H Transmitter error 9 Number of reference points JI Reference point table 5 2 4 Measurement range spread inverting Via the keyboard current output scaling can be adapted to suit individual application requirements In addition to signal spread max 1 4 you can also invert the characteristic curve The measuring range is spread by defining the measuring values for pressure to be 4mA and 20mA Between these two values the current signal is linearly scaled The corresponding parameters may be gathered from the above list For current signal inversion the values for 4mA and 20mA have to be exchanged Entries are checked for validity Faulty input is indi cated by Err on the display which means that at least one of the values is outside the calibrated measuring range or the spread is set too wide 5 2 5 Offset correction Disconnect the transmitter from the pressure supply by e g shutting off the compressed air supply or emptying the tank Go to parameter 3 and change into input mode Now the display shows the current measuring val ue which might deviate from zero slightly Using the keys you can correct the displayed value Each key is allocated a position on the dis play which you may gather from the following table Key Offset correction Example The display shows 301 5 To set thi
7. assembly operating maintenance and inspection tasks 1 3 Hazards resulting from non observance of safety instructions Non compliance with these safety instructions putting the device to other than the designated uses or the non observance of the limit values as speci fied by the technical device data may result in hu man or environmental danger or endanger the de vice itself In such cases any claims for compensa tion against the supplier of the device E shall be excluded FASCHER gt MEss UND REGELTECHNIK 1 4 Safety instructions for owners and operators Safety instructions on the intended device operation shall be observed These instructions shall be made available by the owner and be ac cessible for the assigned staff for assembly main tenance inspection and operation Hazards resulting from electrical energy energy re leased by the medium exiting media or inadequate connection of the device must be avoided Corres ponding details may be gathered from the respec tive directives and guidelines such as DIN EN UVV and in case of industry specific applications also the DVWG Ex GL etc and the VDE guidelines as well as the respective directives of local energy supply companies 1 5 Inadmissible modification Retrofitting or other technical modifications of the device by the customer are inadmissible This also applies to the installation of spare parts Any ne cessary retrofitting modi
8. by Err on the dis play Example Table with 11 reference points Dir r Ken nu aset LI En gent LU LI ES a lt LI ES a Ln IC HUE 5 3 Remote parameterization Instead of performing parameterization via key board you can also use a PC for remote paramete rization To do so you require the EUO03 transmit ter PC interface that is connected to the 4 20mA signal line Power supply unit 0 Begin with connecting the RS 232 cable to the PC If your PC does not feature an RS 232 interface please use the RS 232 USB adapter supplied with the device Then connect the transmitter using the alligator clips as shown The line resistance between transmitter and PC interface must not exceed 100 ohms because otherwise data transfer is no longer possible Therefore make sure not to use further devices in the current loop For power supply you can either use the supplied mains adapter or connect a standard 9V block bat tery via adapter cable Please note that due to the high power consumption you can operate the de vice only for 1 to 2 hours As soon as the EUO3 is supplied with electrical power the green Power LED lights up The LED s for Transmit and Receive signal that data transmis sion is in progress During data transmission the PC software switches the transmitter on and off If you want to check data transmission please se lect Measurement from the menu Sen
9. d Receive and check if the current measuring values are transmitted You can get further instructions on re mote parameterization by calling up the Help file of the PC software 6 Maintenance The device is maintenance free However to en sure a reliable and long service life of the device we recommend regular inspection of the device e Checking the output signal e Checking the pressure connection lines e Checking the electrical connection The exact inspection dates may be adapted to meet the operating and environmental conditions When different device components are working together also make sure to observe the operating manual in structions of the other devices too 7 Transport The measuring device shall be protected of me chanical shock The device may only be transported in the specific transport packaging 8 Service All damaged or defective devices shall be directly shipped to our repair department 9 Accessories e EUOS Transmitter PC interface 10 Disposal For the sake of the environment gt Please help to protect our environment es by disposing of used components in ac cordance with the current directives or by reusing them 11 Technical Data FASCHER TA Ess UND REGELTECHNIK Excess pressure amed to a maximum supply pressure 7 bar General Linearity Hysteresis Admissible ambient temperature Admissible medium temperature Sounding tube pressure connection Pressure port
10. e point table There is a linear correlation between the hydrostatic pressure measured at the tank bottom and the fill ing level which in turn results from the introduced volume of liquid and tank geometry In a container with irregular geometry the characteristic curve of hydrostatic pressure and fill level may deviate from the linear characteristics to a greater or lesser ex tent To compensate for these deviations and to enable precise measuring of contents a reference point table can be drawn up In this table a number of selected current output values are allocated to cer tain pressure values At first define the number of reference points using parameter 9 The admissible range of values is between 3 and 30 If you enter O at this point the table is deactivated and parameter 2 is locked Parameter 2 is used to create the actual reference point table Linearity correction is made for the en tire 4 20 mA output signal independent of the out put current limitation setting The first and last line of the table are default as shown in the example The other value pairs are li nearly interpolated The input of the filling level is in of the set mea suring range Please make sure to enter the values of the table in ascending order with each output FASCHER J Ess UND REGELTECHNIK value e g G being followed by the correspond ing input value e g 7 2 Input errors are indicated display
11. fication shall be exclusive ly executed by the manufacturer 1 6 Inadmissible modes of operation Operational safety of the device is only guaranteed in case of proper use The device model shall suit the medium as used in the respective system The limit values as specified in the technical device data must not be exceeded 1 7 Safety conscious working during maintenance and assembly Any safety instructions in this operating instructions the existing national accident prevention regulations as well as company specific work operating and safety regulations of the owner shall be observed It is the owner s responsibility to make sure that any stipulated maintenance inspection and assem bly work is carried out by authorized and qualified expert personnel 2 Designated use The electropneumatic level transmitter M56T pre cisely measures fluid fill levels by measuring the hydrostatic pressure using a resistance pressure measuring cell inside tanks or systems that feature pressure equalization with the atmosphere 3 Product and functional description 3 1 Function diagram P supply pressure 2 7 bar 1 Filter supply air 2 Check valve 3 Throttle 4 Safety valve 5 Pressure sensor 6 Pressure compensation filter 7 Sounding tube 8 Transmitter electronics 9 Pressure equalisation to the atmosphere 10 Sealing plug 11 Membrane safety valve 3 2 Design and operation The electropneumatic level tran
12. ie Ger te werden gekennzeichnet mit The devices bear the following marking C f d Bad Salzuflen 20 05 10 f Ort Datum place date rechtsverb Unterschrift legally authorized signature Fischer Mess amp Regeltechnik GmbH Fon 49 0 52 22 9740 Sparkasse Lemgo Postbank Hannover Sitz reg office Bad Salzuflen Bielefelder Strasse 37a Fax 49 0 52 22 71 70 BLZ 482 501 10 BLZ 250 100 30 Amtsgericht Lemgo HRB 226 D 32107 Bad Salzuflen Konto Nr 11 841 Konto Nr 0201 830 307 Gesch ftsf hrer Manag Dir USt IdNr DE124602659 Web www fischermesstechnik de BIC WELADED1LEM BIC PBNKDEFF G nter B G dde Steuer Nr 313 5729 0559 Mail info fischermesstechnik de IBAN DE90482501 10000001 1841 IBAN DE 98 2501 0030 0201 8303 07 MESS UND REGELTECHNIK FASCHER Technische nderungen vorbehalten Subject to change without notice e Changements techniques sous r serve Fischer Mess und Regeltechnik GmbH Bielefelder Str 37a D 32107 Bad Salzuflen Tel 49 5222 9740 Fax 49 5222 7170 eMail info fischermesstechnik de www fischermesstechnik de
13. ll electrical supply switching and measuring lines as well as pressure connection lines cf section 4 To ensure trouble free function of mechanical com ponents make sure of the following e Air supply shall comply with the limits as stipu lated by the technical data Requirements on air quality shall be particularly observed e The sounding tube shall be free from contamina tion or the like and be laid in a manner as to avoid sharp turns that would affect the passage of the air bubbles and ensures that a precise counter pressure can build up inside the tube 5 1 Measuring media Due to the fact that the level transmitter has no di rect contact with the measuring media it is possible to measure most types of measuring media 5 2 Parameterization In order to optimally adapt the device to the mea suring location it provides a great variety of para meters that can be set via the menu The keyboard and LC display required for setting are accessible after taking off the housing cover During operation the LC display indicates the cur rently measured pressure Using the keyboard you can enter the required settings To prevent inadvertent entries or unauthorized in terference the keyboard lock is activated 3 minutes after the last keystroke To release the keyboard again the transmitter must be shut off and on again To do so just pull the M12 plug and restore connection again 5 2 1 Navigation in the parameters
14. s value to zero please proceed as follows 5x key GELD 1x key 000 0 5 2 6 Range correction A correction of the range is only required for calibra tion purposes Charge the transmitter with a mea suring pressure corresponding to the measuring range value Go to parameter 4 and change into input mode As with offset correction you can now correct the displayed value by using the keys 5 2 7 Damping For measurement variation suppression this para meter may be used to set a reaction time to the changes in pressure FASCHER Ess UND REGELTECHNIK Go to parameter 5 and change into input mode the admissible value range is between 0 and 2000 This equals a damping of between 0 and 200s 5 2 8 Limitation of output current For output current a lower and upper threshold can be entered The technical limitations of the output signal should be regarded 3 5 22 5mA For input of the lower limit go to parameter 5 For input of the upper limit go to parameter 7 5 2 9 Transmitter error The transmitter electronics will detect internal errors such as sensor break This type of error is indicated by a continuous output signal Within the technical limits of the output signal 3 5 22 5mA the current signal is freely selecta ble but should be outside the range of the normal output signal cf Limitation of output current For the required input go to parameter 5 2 10 Referenc
15. smitter uses the bubbling througn principle Via the throttle 3 compressed air is continuously bubbled into the sounding tube 7 and into the liq uid Inside the sounding tube a pressure equal to the pressure level in the liquid starts to builds up A pressure sensor 5 measures this pressure and the transmitter electronics 8 converts this into a current signal between 4 20 mA which is propor tional to the fluid level In case the pressure inside the sounding tube ex ceeds the admissible over pressure of the pressure sensor the connection to the pressure sensor is in terrupted by the safety valve 4 thus protecting it from overload and damage A check valve 2 prevents the backflow of fluid from the sounding valve into the air supply 4 Installation and assembly The level transmitter shall be installed at above the tank or at its side All connection lines must be fitted in such a way as to prevent mechanical forces act ing upon the device The stated precision relates to an angle of inclina tion from 0 to a maximum of 22 5 The level transmitter works well up to an inclination of max 45 After installation the level transmitter must not be painted in order to keep the connection to the surrounding atmosphere intact and to prevent faulty measurements 4 1 Installation examples 4 1 1 Above the tank Supply Signal output 4 20 mA Compressed air supply Supply Signal output 4
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