RMG ENCO08 Operating Instructions Manual Download Page 35

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Appendix

Manual ENCO 08-M · EN05 · 2018, September 10th

Appendix

Appendix A: connection example

Connection scheme to the flow computer ERZ 2000(-NG; -Di, ..)

When using the internal Ex separating stage, terminals X9 are assigned on the
ERZ:

When used without internal Ex separating stage, terminals X4 are assigned on the
ERZ:

Summary of Contents for ENCO08

Page 1: ...Reliable Measurement of Gas Transmitter unit for meter reading ENCO08 u ENCO08 M Status 2018 September 10th Version 05 OPERATING INSTRUCTIONS ...

Page 2: ...ersion Anyhow this document may serve as reference for translations into other languages Please use in case of any uncertainties the German version as main reference Note Unfortunately paper is not updated automatically whereas technical development continuously advances Therefore we reserve the right to make technical changes in regard to the representations and specifications of these operating ...

Page 3: ...2 9 Dispose of packaging material 11 1 2 10 Storage 11 1 3 Explosion proof design 11 1 3 1 General information 11 1 3 2 Junction boxes with enhanced safety 12 1 4 Inspection and maintenance work 13 1 4 1 General information 13 2 Encoder ENCO 08 and ENCO 08 M 14 2 1 Preface 14 2 2 Operation 15 2 3 Function 16 2 4 Variants 17 2 4 1 ENCO 08 17 2 4 2 ENCO 08 M 18 2 5 Use in custody transfer applicatio...

Page 4: ...ENCO 08 M EN05 2018 September 10th II 3 5 Putting into operation 28 3 5 1 ENCO 08 28 3 5 2 ENCO 08 M 28 3 5 3 Connecting the gas flow 30 Appendix 31 Appendix A connection example 31 Appendix B certificates standards 32 ...

Page 5: ...r inspection and maintenance work The second chapter describes the function and intended use of ENCO 08 The third chapter describes the connection and commissioning The appendix contains the connection examples to a flow computer and a list of approvals 1 2 Objective of the manual This manual provides information necessary for trouble free and safe operation The ENCO 08 encoder was designed and ma...

Page 6: ...t of instructions The following instructions are used Danger This warning instruction informs you of potentially hazardous situations that can occur as a result of incorrect operation or human error If these situations are not avoided they can lead to fatal or severest injuries Caution This warning instruction informs you of possible hazardous situations that can occur as a result of incorrect ope...

Page 7: ...ealth of the person as well as damage to the environment or property damage Note that the safety instructions in this operating instruction and on the device cannot cover all possible hazardous situations as the combination of different circumstances is impossible to predict To simply follow the instructions specified may not normally be sufficient enough to ensure for correct operation Always be ...

Page 8: ...e carried out by especially trained personal training by RMG or by service personal from RMG Notice In accordance with 15 BetrSichV Betriebssicherheitsverordnung industrial safety ordiance 5 DGUV Requirement 3 Elektrische Anlagen und Betriebsmittel electrical systems and equipment and the generally accepted rules of technology especially VDE standards VDE 0100 100 Errichten von Niederspannungsanla...

Page 9: ...ualifications and you are an expert If you do not use the appropriate tools and materials components may be damaged Use tools that are recommended to you for the job in the operating instructions Mechanical installation Mechanical installation must only be carried out by the respectively qualified specialist personnel Electrical installation Installation on components must only be carried out by q...

Page 10: ...ntaining Operating personnel The operating personnel are to use and operate the device within the scope of the intended purpose Maintenance personnel Work on the device must only be carried out by specialist personnel that can carry out the respective work assigned to them as a result of their training knowledge and experience as well as the applicable regulations These specialist personnel are fa...

Page 11: ... and all connected devices Possible hazards include components under pressure or the consequences of incorrect installation Possible dangers are e g components under pressure or the result of incorrect installation Recognize dangers that could be caused by the used flow medium Training education by RMG for working with gas measuring instruments Education instruction in all country specific standar...

Page 12: ...with national regulations Qualified personnel are persons according to DIN VDE 0105 or IEC 364 or directly comparable standards Only use trained and instructed personnel Work on the measuring system may only be carried out by qualified persons and must be checked by responsible specialists Qualified persons have been authorized to carry out such work by the person responsible for the safety of man...

Page 13: ...aranteed When connecting further measuring components or additional equipment in hazardous areas make sure that the appropriate explosion protection is available for these components If the devices are intrinsically safe galvanic isolation must be provided when these devices are connected The encoder ENCO 08 may be operated in Ex zone 1 but only within the permitted temperatures chapter 1 3 Explos...

Page 14: ...ansport ensure safe packaging that absorbs shocks and vibrations Nevertheless advise the transporter to avoid possible shocks and vibrations during transport The following applies in particular during transport Avoid shocks and vibrations Protect ENCO 08 from humidity In case of suspicion of improper transport or damage during transport please contact RMG service immediately 1 2 8 Delivery Supplie...

Page 15: ...ollowing must be observed A dry frost free environment is required for storage Installation and commissioning must be carried out exclusively by qualified personnel 1 3 Explosion proof design 1 3 1 General information Danger The encoder ENCO 08 may be installed in hazardous areas in zone 1 as long as only gases and vapors are present which are assigned to explosion group IIC and temperature class ...

Page 16: ...er housing complies with protection class IP20 due to EN 60529 and is installed in a totalizer housing e g totalizer head G or an aluminum housing ENCO 08 M with a protection class of IP66 IP67 Temperature ranges MID 25 C to 55 C ambient Temperature custody transfer ATEX 40 C to 57 C T6 Notice In case of doubt the limited range of the MID applies 25 C to 55 C 1 3 2 Junction boxes with enhanced saf...

Page 17: ...n also be carried out on live electrical equipment in hazardous areas if it is ensured that no potentially explosive atmosphere is present This may only be done with explosion proof approved measuring instruments Danger If access to electrical modules is necessary the following precautions must be taken The entire device must be disconnected from the power supply When working with electronic assem...

Page 18: ...lly to a volume corrector This is an energy self sufficient encoder which operates as a magnetic absolute encoder in continuous operation without any external power supply The encoder ENCO 08 is used for the custody transfer of mechanical totalizer readings Vo and for compliance with the legal metrological requirements with regard to the recording of measured values The counter reading and all oth...

Page 19: ...e a gas meter turbine b magnetic coupling c MZ mechanical counter d encoder ENCO 08 transmitter unit for meter reading e connection for data transmission f flow computer Vo volume counter original counter reading Vm volume at measurement conditions Vn volume at standard conditions 2 x LF HF2D HF2D pulse generator 1 channel Namur Reed LF Low frequency HF High frequency ...

Page 20: ...ectronic meter reading The energy required for displaying and permanent storing of the meter reading is generated by the internal Wiegand sensors Therefore no external power supply battery is required to record the meter reading As soon as a converter is connected it also provides the necessary power supply for digital transmission EZD protocol of the meter reading The hardware consists of Wiegand...

Page 21: ...CO 08 M Manual ENCO 08 M EN05 2018 September 10th 17 2 4 Variants 2 4 1 ENCO 08 Integrated in the totalizer head type F for TRZ 03 TRZ 03 K Integrated in the totalizer head type G for TRZ 04 TRZ 04 K and DKZ 02 Encoder ENCO 08 ...

Page 22: ...ed in a totalizer head with mechanical output The ENCO 08 M is parameterized with its specific data such as meter reading number of decimals and direction of rotation by means of a PC operating program to the meter type to which it is attached With the ENCO 08 firmware 1 11 and 1 12 turbine and rotary displacement meters can be operated with the following combinations of output value Ua and number...

Page 23: ... x10 1 12 1 11 1 12 1 11 Standard for ENCO08 ENCO08 M for 8 digit counters 1 12 ENCO08 M with special output ratio and 9 digit counters 1 12 ENCO08 M with special output ratio and 8 and 9 digit counters Note Important The output values must be specified when ordering If these values are not available the ENCO08 M is set to the default values Ua 0 1m NKS 1 SW 1 12 Direction of rotation clockwise ...

Page 24: ...proved for custody transfer It is sealed before delivery and certain settings are locked by the approval authority These seals must not be damaged destroyed or removed In this case the ENCO 08 loses the calibration certification The ENCO 08 can only be re certified for the in custody transfer applications by an officially approved certification lab or an calibration official and an additional chec...

Page 25: ...1 2 5 1 Sealing plan 2 5 1 1 Type plate Notice The modification of parameters or the software of the internal firmware is only possible after a seal break and by using a PC and a programming module Caution If the software version is replaced the type plate must be replaced too ...

Page 26: ...ures the positions at the encoder ENCO 08 are marked that must be sealed to prevent opening The digital custody transfer of the Vo to a transmitter device is in accordance to DIN 19234 respectively NAMUR This is unidirectional and interaction free Notice The cable between the ENCO08 M and the transmitter device must be sealed ...

Page 27: ...2 Encoder ENCO 08 and ENCO 08 M Manual ENCO 08 M EN05 2018 September 10th 23 2 5 1 3 Coupling for the output shaft Notice The mechanical output of the ENCO08 M must be sealed too ...

Page 28: ... 75 mm2 sheath color blue The cable screen is connected on both sides The shield is grounded on the non hazardous supply side At the other end of the cable the shield is connected on the insulated metal housing of ENCO 08 The housing of ENCO 08 may also be earthed in potentially hazardous area observing the regulations according to DIN EN 60079 14 The meter housings of turbine gas meters and rotar...

Page 29: ... Li neglectable The device complies with the following regulations and standards ATEX guideline 2014 34 EU EN 60079 0 EN 60079 11 EN 60079 14 EMV guideline 2014 30 EU OIML R137 1 2 OIML D11 Digital interface for primary devices with transmission of the meter readings EN 60947 5 6 The applicable regulations and directives must always be observed during installation and operation ...

Page 30: ...ion and commissioning Manual ENCO 08 M EN05 2018 September 10th 26 3 3 Electrical connections ENCO 08 Contact 1 Vo 2 3 Vo 4 PE The connection of the digital signal Vo is realized via the sockets 1 and 3 1 2 3 4 ...

Page 31: ...ation serves as the hardware layer for power supply during the data transmission The additional bidirectional interfaces on the ENCO 08 are only available in the service mode and enable operation parameterization and flashing of the firmware in the factory or during maintenance work on site Danger Intrinsic safe operation is not guaranteed during the use of these interfaces It must be ensured that...

Page 32: ...on for the encoder is located on the back of the totalizer head a plug from the company Binder of the series 713 1 Vo 3 Vo 3 5 2 ENCO 08 M This version external encoder requires local parameterization The ENCO 08 M must be parameterized to its specific data for the meter type to which it is attached such as meter reading decimal digits and direction of rotation by means of the user software This s...

Page 33: ...th digit The ENCO 08 programming module and the PC ENCO user program software are required for parameter setting This separate quick guide can be found in the help menu of the ENCO08 PC Software When putting into operation on site the connection see connection examples between ENCO 08 M and the connected readout device must still be established after the programming has been completed On the housi...

Page 34: ...e gas meter The following applies to RMG turbine meters Caution Do not operate any downstream pipelines or system components through the turbine meter Turbine rotation can occur that may lead to excessive stress or overload and cause damage A short overload of 20 above the maximum flow rate Qmax is permitted In case of a smooth backflow no damage occurs ...

Page 35: ...ppendix Appendix A connection example Connection scheme to the flow computer ERZ 2000 NG Di When using the internal Ex separating stage terminals X9 are assigned on the ERZ When used without internal Ex separating stage terminals X4 are assigned on the ERZ ...

Page 36: ...h are listed below Type examination certificate Metrologic approval Certificate of Conformity according OIML R137 1 2012 EN12261 A1 EN12480 A1 NMI CoC 15200211 01 Ex approval ATEX according EN60079 11 EN60079 0 A11 BVS 15 ATEX E 041 X Labeling II 2G Ex ib IIC T6 EU Declaration of Conformity Declaration of Conformity due to MessEG ...

Page 37: ...Appendix Manual ENCO 08 M EN05 2018 September 10th 33 ...

Page 38: ...cation For further information please visit our website www rmg com or contact your local sales support office to learn more about the RMG products RMG Messtechnik GmbH Otto Hahn Straße 5 35510 Butzbach Deutschland Tel 49 0 6033 897 0 Fax 49 0 6033 897 130 Email service rmg com ...

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