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GAS-VOLUME CONVERSION DEVICE 

 

miniELCOR 

 

 

 Device 

Description  

Operation Manual 

Technical Description 

Mounting instructions 

Device settings 

 

 

 

Single-channel conversion device of gas volume at measurement conditions to 

volume at base conditions. Approved for installation in potentially explosive 

atmospheres. 

 

January 2010 

Rev. 6g 

PRELIMINARY 

Summary of Contents for miniELCOR

Page 1: ...n Manual Technical Description Mounting instructions Device settings Single channel conversion device of gas volume at measurement conditions to volume at base conditions Approved for installation in...

Page 2: ...applications Similar measures also apply for using the accessories The operator training must be in compliance with Decree no 50 1978 Coll The information in this manual does not have the burden of a...

Page 3: ...g device variants for different groups of gas 15 4 Metrology characteristics 16 4 1 Measuring temperature 16 4 2 Measuring pressure 16 4 3 Compressibility calculation 17 4 4 Volume measuring and calcu...

Page 4: ...ssembly accessories 63 11 2 Intrinsically safe supply sources for external power supply 63 11 3 Separation and communication modules 63 11 4 GPRS communicators 63 11 5 Other accessories 63 12 Technica...

Page 5: ...cation with new pressure transducer 108 17 Software settings of the device for proper communication with external digital temperature EDT 34 or pressure transducer EDT 23 109 17 1 Adding of digital tr...

Page 6: ...ifference of primary volume m3 E Energy MJ Es Estimated value of energy MJ EDTxx Digital pressure or temperature transducer EDT 23 or EDT 34 EMC Electromagnetic compatibility and resistance EMI Electr...

Page 7: ...ditions K V Volume Vm or Vc Vm Volume at measurement conditions further primary volume m3 Vc Corrected volume at measurement conditions volume corrected based on correction curve of gasmeter m3 Vb Vol...

Page 8: ...a 6 button keypad Furthermore it has impulse inputs for the connection of a gas meter with LF or HF impulse output and binary inputs Device with FW version 4 xx and higher is suitable for connection v...

Page 9: ...s enhancement can be accomplished by end user on already installed device without breaching of metrological seal 2 Device variant with SCR encoder ensures following inputs and outputs The same like at...

Page 10: ...compressibility value The device calculates the gas flow from the impulse frequency on the input in real time using mathematical filtration from the input signal Operational flow Q V t m3 h Where V in...

Page 11: ...ce is logged in setup archive The principle of volume calculation are seen on Fig 1 Condition for usage of volume correction 1 Correction is used only in case that gasmeter transmits at least 10 pulse...

Page 12: ...ive temperature for defined relative conditions and final value will be used for energy calculation In case of AGA8 92DC method combustion heat is not entered but calculated directly from gas composit...

Page 13: ...miniELCOR 6 Fig 1 Volume and energy calculations Scheme...

Page 14: ...and outputs The connections related to the metrology function of the converter are protected by covers which are secured with official mark Optionally the input board can have an extension board for c...

Page 15: ...vice 2 2 Device power supply 2 2 1 Supply battery The device is powered by a built in battery lithium with a voltage rating of 3 6 V The life cycle of the battery depends especially on the configurati...

Page 16: ...ted again and insures that the real time clock is running The data stored in the device archives and parameter settings will remain preserved Discharged batteries belongs at hazardous waste category A...

Page 17: ...s 10 years even if the battery was never connected 2 2 4 External power supply Usage of external power supply is necessary in case of appliance of NAMUR HF pulse input Binary output NAMUR encoder Exte...

Page 18: ...roduction output control and testing pursuant to Enclosure no 2 procedure D ND no 464 2005 Coll issued by the Notified person no 1383 Such security mark has the same importance for the user as the so...

Page 19: ...miniELCOR 12 Fig 5 Security marks device without SCR encoder Fig 6 Security marks of miniELCOR SCR...

Page 20: ...miniELCOR 13 2 4 Product label Fig 7 Product label English version Fig 8 Product label original certification for ZONE 1...

Page 21: ...ature for temperature class T3 25 C to 70 C When connecting a device it is necessary to consider the electrical characteristics of the connecting cables and abide by the requirements of the pertinent...

Page 22: ...certain groups of gas according to this table Group of gas Device variant IIC IIB IIA miniELCOR yes yes yes miniELCOR SCR no yes yes 1 The device must not be installed and located in an environment w...

Page 23: ...suring the temperature 4 2 Measuring pressure Pressure measuring is ensured by an analog converter The converter contains a piezoresistive silicon sensor with a resistant stainless steel membrane The...

Page 24: ...60 C 25 60 C 25 60 C 200 1000 kPa N A 25 60 C 25 60 C 25 60 C 400 2000 kPa N A 25 60 C 25 60 C 25 60 C 700 3500 kPa N A 10 60 C 10 60 C 25 60 C 1400 7000 kPa N A 10 60 C 10 60 C 25 60 C 80 1000 kPa N...

Page 25: ...itions 4 4 1 Operation at error conditions In case of the occurrence of error conditions the device at the same time as counting the impulses in the counter of the volume at measuring conditions V sta...

Page 26: ...ow direction change of gas meter Flow direction detection is enabled for gasmeter equipped with two phases shifted LF sensors or encoders Both ways are approved for custody transfer at EC type approva...

Page 27: ...nting will get blocked out into apropriate counters Vb Vbs only after reaching level of primary volume where reversed flow was started up Primary volume counter is equivalent to gasmeter counter all t...

Page 28: ...and LF see Fig 12 Changing measuring units setting the gas meter constant The measuring units of the impulse inputs can be changed using the service SW 22 The conversion constants of the gas meter and...

Page 29: ...oder SCR To process data from SCR encoder miniELCOR SCR type must be used complemented with KP 065 09 board This board must be complemented directly only by manufacturer Additional assembly at custome...

Page 30: ...l data are read out with service SW 22 usable at device parametrisation In case of error at communication between EVC and encoder then At actual value primary volume is displayed with asterisk symbol...

Page 31: ...from point 1 no differences are added to appropriate counters which are marked on display with exclamation mark If point 3 is not finished by one hour exchange procedure will be closed automatically...

Page 32: ...with no effect on the battery life cycle The outputs are open collector type and are not galvanic separated All four outputs have a joint GND conductor The outputs are intrinsically safe thus when co...

Page 33: ...pressure and temperature transmitters which are metrologically approved according to EC type certificate it is possible to add aditional pressure or temperature transducer This extention is not possib...

Page 34: ...l transducer 1 Disconnect volume corrector from external power supply if present 2 Open the device and remove battery 3 Unscrew plastic cover of input output board in place of plugging expansion modul...

Page 35: ...miniELCOR 28 Fig 14 Connecting of digital transducer with expansion module RS 485 Fig 15 Placing of expansion module RS 485 in the device...

Page 36: ...ic separated from other device circuits Because of the galvanic separation the communication circuits must be powered from outside from a connected device CTS signal in case of the RS 232 interface an...

Page 37: ...k and furthermore information on the signal strength measured by the modem In the case of a GPRS connection it is possible to display the IP address Compatibility with the Siemens MC35 MC39 modem is n...

Page 38: ...tion of RS 232 communication via separator MTL 5051 Fig 18 Communication cable wiring 6 2 Optical interface IEC 1107 On the front face of the casing next to the keyboard is an optical window for commu...

Page 39: ...channel from the RS 232 RS 485 device to the optical interface That means that the communication via the RS 232 or RS 485 is discontinued until the moment the optical head is removed or until the men...

Page 40: ...o retain definiteness of marking Definiteness of marking is checked by service SW Metrological measurands may be renamed only on ASC level User defined measurand marking is used for showing on display...

Page 41: ...chive Data archive Binary archive Limits archive Besides the listed data archives the device also contains the following archives Event archive Billing archive Settings archive Gas composition archive...

Page 42: ...maximum of conversion of ratio of compressibility factors yes yes yes 2 Binary quantities Binary input condition yes yes Binary output condition yes yes Set points condition yes yes Device errors and...

Page 43: ...of the parameterizations log 1 is the active state for set points and errors 7 3 4 Binary archive Archive capacity 2000 records The archive stores the binary input states state bites calculated and st...

Page 44: ...volume is created including both total counter and single tariffs Billing period is configurable and crossing time as well 7 3 9 Gas composition archive Archive capacity 150 records When gas composit...

Page 45: ...correction is denied and alarm signal is generated 7 5 3 Tariff counters In device there are available four tariff counters enablig volume calculation based on default time schedule Two independent sc...

Page 46: ...Here the user can choose what influence the switch setting will have on the individual groups of device parameters This variability solves the setting various options of approach to work with the dev...

Page 47: ...tions with the device the device users can be divided by different levels of access User level Common device user Users of this level can read out all the data from the device and set a large amount o...

Page 48: ...ting the period of archiving the data archive Passwords changes Zeroing the archives Setting the internal time converter Setting the communication parameters Setting the station identification Setting...

Page 49: ...rology switch Allowing activities when Acc activities described in the user level OFF ON Note When using HW key the effect of passwords is disabled provided the device uses them Metrology changes upgr...

Page 50: ...miniELCOR 43...

Page 51: ...us zone Fig 19 Removable foil strip at battery holder In case of disconnected battery before inserting battery into holder align up battery polarity with marked signs on holder Only approved type of l...

Page 52: ...res Automatic update of data changing with period 1 s Autorepeat when holding a key the key pressing is automatically generated can be used for e g viewing archives Displaying without diacritical mark...

Page 53: ...play was off for a while pressing any key will light on the initial display with volume values Vb and V Initial display The first line displays icons in the right upper corner informing on the basic c...

Page 54: ...3 Battery condition Battery is charged 100 Battery is charged 50 Battery is charged 25 4 Device condition sum state see art 9 9 Device works flawlessly There is an error in the device The device gener...

Page 55: ...miniELCOR 48 Fig 22 Basic navigation from the initial screen FW 2 xx...

Page 56: ...miniELCOR 49 9 3 Main menu The selected menu item is displayed inversely on the display Fig 23 Device main menu and first submenu level...

Page 57: ...the up and down arrow buttons Fig 24 Example of displaying the instantaneous values 9 5 Stored values menu For the data daily monthly and binary archives the method of displaying the data is identica...

Page 58: ...ess Communication protocol The Service parameters menu displays the following data Device serial no FW version Data memory Station name You can scroll through the data on the display using the buttons...

Page 59: ...de can be entered in the device The password must be entered using the service SW 23 These passwords are valid only for setting parameters from keyboard and are not related with the passwords describe...

Page 60: ...the parameter editing the performed edits must be written in the device The recording in the device is performed by selecting this option Successful recording of parameters in the device is confirmed...

Page 61: ...t arrow will gradually display all the existing errors and warning messages of the converter Summary status The summary status serves to monitor the occurrence of active error statuses of the individu...

Page 62: ...b 10 On the display Description E0 CRC program Error of the firmware check sum E1 CRC loader Error of the firmware loader check sum E2 CRC parameter Error of the check sum of the device parameters E3...

Page 63: ...indicated W10 P1 max threshold W11 T1 min threshold W12 T1 max threshold W13 Q1 min threshold W14 Q1 max threshold W15 Qb1 min threshold W16 Qb1 max threshold W17 C1 min threshold W18 C1 max threshol...

Page 64: ...pipeline using mounting plate Mounting on the wall The device is mounted by using 4 screws 4x30 and mounting holes whitch are out of the area under IP66 protection Screws are placed in the corners on...

Page 65: ...miniELCOR 58 Fig 26 Mounting of miniElcor to the mounting plate Fig 27 Mounting on the pipeline...

Page 66: ...0 CSN 021131 Last operation is to tighten nuts on both sides of interconnecting pressure pipe Temperature transducer connection For connection of temperature transducer will be prioritly used thermowe...

Page 67: ...miniELCOR 60 Fig 28 Temperature sensor mounting Direct weldolet Thermowell Safety nut Temperature sensor Fig 29 Temperature sensor mounting by the help of direct weldolet User mark...

Page 68: ...rst to apply wire end ferrule on the stripped end of the wire and force on them by pliers which are supplied by the manufacturer of wire end ferrules Wires ended by ferrules it is possible to plug in...

Page 69: ...miniELCOR 62 Fig 30 Shielding connection in bushing 12 35...

Page 70: ...s DATCOM S1 DATCOM S2 DATCOM K1 DATCOM K2 DATCOM K3 DATCOM K4 11 4 GPRS communicators DATCOM AMR1 battery supply of the communicator DATCOM AMR2 battery supply of the communicator DATCOM AMR3 S accumu...

Page 71: ...m 3 6V 17Ah size D supply battery life time 6 years 4 supply battery voltage 2 8 3 6 V measuring the supply battery life time Yes alert 90 days before discharge back up battery type Lithium 3 6V 1Ah s...

Page 72: ...measuring ranges 80 520 kPa 200 1000 kPa 400 2000 kPa 700 3500 kPa 1400 7000 kPa 80 1000 kPa 8 400 7000 kPa 9 measuring error 0 25 of the measured value long term stability 0 1 for each year of the m...

Page 73: ...lse input HF impulse input NAMUR binary input low input binary input NAMUR length of cable for the individual inputs 30 m Binary input classic Terminals DI1 LF DI2 LF DI3 DI4 Max number of inputs 4 in...

Page 74: ...ied voltage for encoder 5 V cable legth 30 m Digital outputs OUTPUTS terminals number 4 outputs options sw configuration Impulse output binary output analog output via CL 1 Output types Open collector...

Page 75: ...superior system All three interfaces share the same communication channel can not be operated simultaneously Metallic interfaces galvanic separation yes Interface of serial communication RS 485 or RS...

Page 76: ...miniELCOR 69 Binary output Impulse output Data output DO1 YES YES YES DO2 YES YES YES DO3 YES YES YES DO4 YES YES YES necessary to connect an external module CL 1 using the JB separator e g Datcom K3...

Page 77: ...0mH 700mH RS485 communication line internal bus optional Terminals GND U D D Uo 6 5V Io 1A Po 1 1W IIC IIB Co 3 5 F 250 F Lo 30 H 120 H Digital outputs DO1 to DO4 Terminals GND DO1 DO2 DO3 DO4 OUTPUTS...

Page 78: ...puts in RS485 and RS232 Ci 200nF Li 0 or MTL5051 only terminals 1 2 5 6 Note Sum of outputs is defined jointly for both interfaces i e sum of outputs on RS485 and RS232 must not exceed 0 33W except MT...

Page 79: ...with gas meter volume see paragraph 14 3 6 control of device diagnostics removal of possible problems initialization of device summary status see paragraph 14 3 7 clear of device archives see paragra...

Page 80: ...PC When is device connected with PC then it is possible to start up service SW with double click on its exe file After SW starting are displayed already defined devices consumption places see Fig 31...

Page 81: ...1 Addr 2 Parameters Addr 1 Addr 2 address device connected which is connected to communication device in given consumption place In case that this consumption place includes more connected devices th...

Page 82: ...ting of new communication channel starts with choosing of connection between device and PC programme switch Communication medium For communication via infrared head choose RS 232 and relevant communic...

Page 83: ...evice display in menu System data or with reading out of actual values with help of service SW The item Setup Date and time in programme menu allows changing these values 14 3 4 Readout and setting of...

Page 84: ...miniELCOR 77 Fig 33 Base device parameters Fig 34 Data archive...

Page 85: ...lues of counter with help of this are possible to preset volume values and conversion constants values d Error values of temperature pressure and constant value for fixed conversion number e Setpoints...

Page 86: ...arameters start base device parameters setting Fig 36 Assistant for parametrization Parametrization assistant guides the user through setting of some parameters Meaning of all parameters is described...

Page 87: ...in following steps see Fig 39 After pressing the button Next Setup of 1 channel or Setup 2 Channel follows On this screen is possible to set following channel parameters Gas meter is set in first line...

Page 88: ...sary to make in the screen of displayed parameters Note After closing of wizzard for parameterization there are parameters prepared in computer pattern for writing into device Therefore do not forget...

Page 89: ...Off the device will be ready for measuring 14 3 7 Device diagnostics and summary status clearing Device diagnostics may be done a by force of device keyboard b with help of service SW a In menu Diagn...

Page 90: ...of diagnostics from saved data choose From file It is possible to find out current status of the device with pressing the button Device test Fig 41 Displaying of device diagnostics In column Summary...

Page 91: ...cept Setup archive Warning Deleted data in archives cannot be refreshed Fig 42 Device archives clearing 14 4 Password in the device It is possible to use device either without passwords or with passwo...

Page 92: ...l its restart so it is not necessary to enter the passwords again during reading or writing Passwords may be set in menu Setup Password for reading Password for full access Fig 43 Password setting Not...

Page 93: ...finishing of parameters adjusting is necessary to switch the service switch back to Off position 15 1 Device parameters displaying In service SW is possible to choose between two types of device param...

Page 94: ...e write gas meter serial number Fig 44 Gas meter constant setting in simple mode display Value of constant by item V01 is automatically copied into item Q01 The same rule stands for V02 a Q02 because...

Page 95: ...t constants Example 1 Gas meter with LF output Program allows setting constant of gas meter with LF output in range of followings values 0 01 0 1 1 10 100 or 1000 pulse m3 Set value must be written in...

Page 96: ...l number of gas meter 987654321 for primary volume V1 Here is also necessary to make same setting for Flown Q1 Fig 46 Setting of gas meter with HF output constant in full mode display 15 3 Pulse outpu...

Page 97: ...inary see Fig 47 Fig 47 Output pulses switching on and off 15 3 2 Full mode display In case that this output was not configured it is necessary to activate it and assign a quantity representing pulses...

Page 98: ...miniELCOR 91 Fig 48 Pulse output inserting Then card of Pulse output counter will be created e g with indicated V03o see Fig 49 Fig 49 Pulse output parametrization...

Page 99: ...constant Till now was not defined yet which measurand e g primary volume of first channel or standard volume of second channel etc should the represent pulses In next step it is necessary to connect...

Page 100: ...miniELCOR 93 Fig 50 Wizard for mathematical expression Fig 51 Equation for primary volume pulses and output connection...

Page 101: ...g or for flow displaying Analogue current output from the device 4 20 mA is made with connecting of module CL 1 to clamp of digital device output DO1 to DO4 Used digital device output must be configur...

Page 102: ...output for CL 1 see Fig 53 Fig 53 Analogue output setting On card Analogue output see Fig 54 parameter A05o Output number gives appropriate clamp from the range of the clamps from DO1 to DO4 where ou...

Page 103: ...ose quantity which will be watched e g Base flow and then assign values of minimal and maximal limits for output current according to flow value After wizard finishing will be displayed generated equa...

Page 104: ...clamp DO3 15 5 Setpoint setting limit values of measured quantity In many cases watching of limits is very important during evaluating of measured quantities Because of that it is possible to set in t...

Page 105: ...e device But if the parameter was added in full mode display see next it is possible to set size of value 15 5 2 Full mode display In left upper window of displayed parameters choose item Calculated m...

Page 106: ...miniELCOR 99 Example If measured pressure p1 will pass over the value 120 kPa and this passing over will be longer than 5s so then will be generated alarm see Fig 59 Fig 59 Setpoint parametrization...

Page 107: ...y archive it is possible to initiate alarm signal or make a call on dispatching Watching activation is made from item Hardware after pressing the right mouse button choose Insert input measurand Exter...

Page 108: ...ditions MODBUS protocol may be set only in devices with firmware version 1 12 and higher Protocol MODBUS for reading of archived values is adjustable only in FW version 1 16 and higher for setting of...

Page 109: ...of MODBUS template file will be displayed in device parameters a new parameter MODBUS map MM01 Fig 63 The list of parameters readable or writable via MODBUS protocol from category either actual value...

Page 110: ...ce and PC are different For another communication with device is necessary to make in parameters setting for connection with consumption place switching on MODBUS protocol It is also possible set para...

Page 111: ...miniELCOR 104 Fig 64 Switch of communication protocol in the device...

Page 112: ...ding to device battery first and secondly external power supply if applied Switch metrological switch to ON position necessary to breach metrological seal By the help of service software proceed softw...

Page 113: ...re stored in parameters now You should see following window after loading of calibration file see Fig 67 To finish this operation save parameters into the device by clicking on Save into device button...

Page 114: ...miniELCOR 107 Fig 66 Fig 67...

Page 115: ...see Fig 65 In right side of the window click now on Parameters of module see Fig 68 Now the service software will load calibration data from the transducer s memory into parameters of the device At t...

Page 116: ...intrinsically safe serial interface RS 485 such device must have assigned communication address There can come two possibilities in context of assigning of communication adress a New digital transduce...

Page 117: ...of module button we will check if transducer is communicating properly with the device If everything is correct you will see window with transducer s parameter see Fig 71 Herewith we finished the chan...

Page 118: ...opened which describes actual status of device see Fig 75 In the column State of last test must not be any warning or error If device announce warning or error click on Devicee test button In case tha...

Page 119: ...miniELCOR 112 Fig 70 Fig 71...

Page 120: ...miniELCOR 113 Fig 72 Fig 73...

Page 121: ...miniELCOR 114 Fig 74 Fig 75...

Page 122: ...miniELCOR 115 Fig 76...

Page 123: ...upply Wrong number of output pulses Wrong setting of output pulses constant or delay between pulses according to frequency of input pulses Battery discharges very quickly Factors which affects battery...

Page 124: ...ry Err E10 compressibility table Error of calculation in compressibility table due to input parameters Correct gas composition Err E11 compressib Infeasible calculation of compressibility table due to...

Page 125: ...miniELCOR 118...

Page 126: ...Electrical fast transient burst immunity test 10 EN 61000 4 6 2007 Cor 2008 Electromagnetic compatibility EMC Part 4 Testing and measurements techniques Section 6 Immunity to conducted disturbances in...

Page 127: ...120 22 Software 22 TELVES exe Elgas s r o software supplied with device 23 Reliance GEOVAP Pardubice 23 Used trade marks 1 IrDA is a trade mark of Infrared Data Association 2 ModBus is a trade mark o...

Page 128: ...fety separation of RS 232 communication via separator MTL 5051 31 Fig 18 Communication cable wiring 31 Fig 19 Removable foil strip at battery holder 44 Fig 20 Significance of keys 46 Fig 21Basic navig...

Page 129: ...output connection 93 Fig 52 Parameter V03 after equation assigment 94 Fig 53 Analogue output setting 95 Fig 54 Analogue output parametrization 95 Fig 55 Wizard for analogue output equation making 96 F...

Page 130: ...ities 35 Table 4 Service switch settings 40 Table 5 User access level for complete meaning of the service switch 42 Table 6 ASC access level 42 Table 7 Display status icons 47 Table 8 List of events e...

Page 131: ...repared by Collective of authors Issued by ELGAS s r o Ohrazenice 211 533 53 Pardubice Czech Republic Phone 420 466 414 500 511 Fax 420 466 411 190 http www elgas cz e mail sales elgas cz Issued on Ja...

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