Operating instructions HART communication
Contents
1. Rmin 7 2 256 ohm va E 1 Auxiliary power supply Supply current circuit Cis 16nF li 150mA xxm Tas 70 C Pi 1000 mW Ex ia IIC T6 BVS 07 ATEX E 033 RE 250 HART communication www mecon de page 7 17 04 2011 Ol RE250 HART EN Electrical connections 4 2 2 Current output with digital outputs MEM Hazardous area Safe area Supply current circuit Li Ciz 16nF li 150mA Ta 70 C Pi 1000 mW Angular sensor Ex ia IIC T6 type MEM 240 Ui 30V Transmitter power supply 4 20 MA BVS 07 ATEX 033 1 i LG TI Auxiliary power supply Isolation amplifier BVS 07 ATEX E 033 i Auxiliary power supply Contacts according to Binary outputs MAX limit value Li 4pH Ui 30V Ci 16nF li 20 mA Ta 70 C Pi 100 MIN limit value Ex ia IIC T6 Fig 4 2 Connection diagram for transducer MEM with 2 limit switches Hazardous area Safe area Supply current circuit Ci 16 nF li 150 mA Tas 70 C Pi 1000 mW Angular sensor EX ia IIC 6 Li 240 Ui 30V Transmitter power supply type MEM BVS 07 ATEX E 033 Auxiliary power supply p MIN 7 Isolation amplifier p d Contacts according to Bi EN 60947 5 6 apres NAMUR Li 4 uH Ui 30 V Ci 16nF li 20mA Ta 70 C Pi 100 mW Ex ia IIC 6 BVS 07 ATEX E 033 1 Auxiliary power supply Fi2. 4 Software Fig 2 1 Scope of delivery Information Please check the delivery for completeness using the packing list 2 2 Description code The specific output configuration of the device can be taken from the description code RE 250 UN LE 1 5 000 Qo Qo God Gi 498 000260 FA With HART protocol 4 20mA FL With HART protocol 4 20mA 2 inductive contacts SJ 3 5N FJ With HART protocol 1 inductive contact 1 pulse output RE 250 HART communication www mecon de page 5 17 04 2011 Ol RE250 HART EN Installation 3 Installation 3 1 Notes on installation 3 2 Storage page 6 17 Information All instruments are carefully checked for functional capability before distribution On receipt of the device please carry out a visual inspec tion of the outer packing for damage or improper handling Please contact the carrier and your responsible sales field service if you should discover any defects In such cases a description of the defect the type and the serial number of the device is needed Information Unpack the equipment with care to prevent damage Information AIT instruments are carefully checked for order conformity Please check the delivery for completeness using the packing list Please examine the flowmeter nameplate to verify that the device was built according to your order Particularly check
3. 6 1 MOIS 0 ni 24 6 2 Retrofitting transducer 2 0 402020 cent asso ten nn 24 6 3 Returning the device to the manufacturer SR 26 oa DO de 26 7 Technical data 27 7 1 Operating DHDEIDIG SE RE a de 27 Vet 19 1 6 LINE 10 ETT scene ninenianats 28 RE 250 HART communication www mecon de page 3 17 04 2011 Ol RE250 HART EN Safety instructions 1 Safety instructions 1 1 General information Important Q This manual is solely a supplement to the document Operating in structions RE250 To prevent any injury to the user or damage to the device it is essen tial that you read the safety instructions in the Operating instruc tions RE250 and observe it unconditionally The manufacturer is not liable for any damage resulting from improper or unintended use of these devices 1 2 Certifications CE marking CE The manufacturer certifies for the device RE 250 with integrated transducer MEM the fulfilment of all statutory requirements of the following EC directives by applying the CE marking e Pressure equipment directive 97 23 EC Low voltage directive 2006 95 EC Guideline 2004 108 EC NAMUR recommendation NE21 page 4 17 Www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Device description 2 Device description 2 1 Scope of delivery 1 Flowmeter RE250 with integrated transducer MEM 47 19 2 Operating Instructions 4 3 Certificates optional
4. URV Switch Active state open closed PO 0 Measured value PV AO 0 5 output corresp Lower range value unv per range value page 10 17 www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Operation RE 250 HART communication www mecon de page 11 17 04 2011 Ol RE250 HART EN Service 7 Service 7 1 Maintenance The devices were built within the scope of low maintenance but periodically the flow meters should be inspected for signs of corrosion mechanical wear as well as da mage to the fitting and the display unit We advice to carry out inspections at least once a year For a detailed inspection and cleaning the device must be removed from the piping Caution Appropriate safety precautions have to be taken when removing the device Always use new gaskets when reinstalling the device in the piping 3 7 2 Retrofitting transducer MEM 1 Float with damping 3 Self locking nut ss Mn Retaining clamp 6 Damping cylinder page 12 17 Www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Service 7 3 Returning the device to the manufacturer This device has been carefully manufactured and tested Should you nevertheless need to return a device to MECON GmbH please observe the following points Caution According to the actual waste disposal directives the owne
5. 000 800 wl 600 NS Q Wh S Water 2007 337999 001 001 1kg 6 5 13 bar 400 N c e huy RE 250 Variable Area Flowmeter Operating instructions HART communication MECN MECON GmbH 04 2011 OI_RE250_HART_EN FLOW CONTROL SYSTEMS Imprint All rights reserved It is prohibited to reproduce this documentation or any part thereof without the prior written authorisation of MECON Flow Control Systems GmbH Subject to change without notice Copyright 2011 by MECON Flow Control Systems GmbH R ntgenstra se 105 50169 Kerpen page 2 17 www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Contents Contents 1 Safety instructions 5 ba US Qi CO R0 n 5 0 6 2 Device description 8 2 LS S 208 174 rm 8 2 2 Description COS Ec n9 11 3 Installation ee 15 3L NOTES En r E EEE OE Er ETIES 15 2 E E E er eer eee eee eee 15 4 Electrical connections 18 Penn 18 4 2 Electrical CONNOCIOMSS ess UEM 18 4 2 1 Current output MEME a eee ae essences rec 19 4 2 2 Current output with digital outputs 11 1 6 19 5 Start up A LLL LLL LLL 22 5 1 Device with current output sisi 22 5 2 Device with additional limit switches ssssssssesesseeenn nnn 23 5 3 Device with additional limit switch and pulse 23 6 Service LLL LLL LLLLLLLLLLLLLLLLL 24
6. devices with electrical components for the correct supply voltage Information This manual is solely a supplement to the document Operating instruct tions RE250 To prevent any injury to the user or damage to the device it is essential that you read the installation notes in the Operating in structions RE250 and observe it unconditionally Store the device in a dry and dust free place Keep away from direct sun and heat Avoid external load to the device The storage temperature range for standard devices with electrical components is about 40 70 C 40 158 F www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Electrical connections 4 Electrical connections 4 1 Safety instructions Warning All work on the electrical connections may only be carried out with n the power disconnected It is essential to observe the voltage data on the nameplate Warning 0 Observe all occupational safety regulations unconditionally Any work done on the electrical components of the device may only be carried out by a specialist Caution After installation and any maintenance work on the device the operator has to check and ensure the specified protection class again 4 2 Electrical connections 4 2 1 Current output MEM Fig 4 1 Connection diagram for transducer MEM with current output Hazardous area Safe area Angular sensor type MEM Transmitter power supply Output 4 20 mA
7. et is detected by a Hall sensor inside the integrated angle transducer MEM sensor signals A B and generates a resulting output current of 4 20mA The signal is linearised with a maximum of 16 sampling points in the process Fig 7 1 Operating principle of the RE250 page 14 17 Www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Technical data 8 2 Technical data General data Range of application Flow measurement of liquids and gases Measuring principle Flotation Float measuring Vertical flow direction from bottom to top Measuring accuracy VDI VDE 3513 sheet 2 qG 50 G 1 6 add 0 296 of URV for MEM G 2 0 add 0 26 of URV for MEM 0 5 of URV add 0 1 of URV for MEM A variation of the operating temperature to the considered temperature for the calibration process will lead to a corresponding inherent error For ambient temperatures 20 C the measuring error will increase Temperatures rd rH rd FH with 4 20mA HART protocol itn 20 MA A ona OND Danger 0 For applications in hazardous areas it is mandatory that the temperature class of the type examination certificate protection type will be regar ded additionally For devices used in hazardous areas additional safety notes apply please refer to the Ex documentation RE250 with current output 4 20 mA and HART protocol Cable gland M20 x1 5 Terminal connection 2 5 mm Au
8. g 4 3 Connection diagram for transducer MEM with limit switch and pulse output page 8 17 www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Start up 5 Start up 5 1 Device with current output MEM The magneto electrical measuring transducer MEM is completely factory set when it is delivered to the customer After applying the supply voltage to the device initially the current output will be about 3 5 mA to 4 mA for a few seconds After that a current corresponding to the pointer deflection will flow E Important Due to the influence of the float magnet the MEM transducer will only output the correct current if the pointer position is caused by the float Turning the pointer manually will cause incorrect values but it s suitable for testing 5 2 Device with additional limit switches The limit switches are integrated into the angle transducer MEM and the design is according to NAMUR recommendation NE21 The switching points can be set independently over the entire measuring range by a HART command For details please refer to chapter xx E Important Unless otherwise desired by the customer the factory set value for the switching point is about 20 80 of URV and the switching function is active state OPEN 5 3 Device with additional limit switch and pulse output One of the integrated limit switches design is according to NAMUR recommendation NE21 can be configured as a pulse outp
9. r customer is responsible for the waste management of hazardous and toxic waste For reasons of environmental protection and safeguarding the health and Safety of our personnel all devices sent to MECON GmbH to be repaired must be free of toxic and hazardous substances This also applies to cavities of the devices If necessary the customer is kindly requested to neutralize or rinse the devices before returning to MECON The customer has to confirm this by filling in an appropriate form which is available for download on the MECON website www mecon de en declaration contamination pdf Caution contain hazardous and toxic substances Mecon GmbH is entitled to dispose these substances at the cost of the customer without any further inquiries Q In the case of returning devices despite these requirements which 7 4 Disposal Caution Q Disposal of the devices has to be carried out in accordance with relevant legislation in your country RE 250 HART communication www mecon de page 13 17 04 2011 OI_RE250_HART_EN Technical data 8 Technical data 8 1 Operating principle Like other devices of this series the variable area flowmeter RE250 operates on the principle of flotation The measuring unit consists of a metal tube with a measuring ring in which a float can move up and down The movement of the float is transmitted via a magnet to a subsequent magnet which is mounted on the pointer axis The position of this magn
10. ut The pulse unit is identical to the unit of the measured value The switching point of the second switch can be set independently over the entire measuring range by a HART command For details please refer to chapter xx E Important Unless otherwise desired by the customer the factory set value for the switching point is about 40 of URV and the switching function is active state OPEN RE 250 HART communication www mecon de page 9 17 04 2011 Ol RE250 HART EN Operation 6 Operation 6 1 Parameter setting using HART protocol The parameter of the MEM can be set using a hand held terminal or a PC using a suitable HART modem The following parameters can be set Main menu Levei2 revers tela Jpeseripton Device setup Process variables Flow rate Actual flowrate Totalizer Actual totalizer value Diag service Test device Simulation Calibration Calibration parameter DAtrim Current output trim Reset device Warm start of device Basicsetup TAG TAG number _ PV unit Unit of measured value Range values PviRV 0 PV USL Upper limit for MR Model ES Unique device ID TAG number Device information Write protect NO Xfer function Linear 00 0 Pvdamp Timeconsan Detailed setup Totalizer Totalizer function on off Low flow cutoff __ Cutoff value in Namur MAX value in of URV MN MIN value in of
11. xiliary supply voltage Us 14 V 30 V DC Measuring signal 4 20mA 0 100 flow value in 2 wire technology Power supply influence 0 196 of MV Max external load Rsg 680 Q 30 V Rs Ug 14V 22 mA Min external load Rg 250 Q Temperature influence gt JOpA K Min power supply 19 5V DC HART protocol revision 5 0 Device revision RE 250 HART communication www mecon de page 15 17 04 2011 Ol RE250 HART EN Technical data RE250 with current output 4 20 mA and HART protocol binary outputs Supplements to technical data for RE250 with current output 4 20 mA page 16 17 Www mecon de RE 250 HART communication 04 2011 Ol RE250 HART EN Technical data Mecon GmbH OK TUVRheinland R ntgenstraf Se 105 5 t CERT D 50169 Kerpen ISO 9001 Tel 49 0 2237 600 06 0 Fax 49 0 2237 600 06 20 Email customerservice mecon de www mecon de OI RE250 HART EN Subject to change without notice Copyright
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