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Volume Conversion Device EK220

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Elster GmbH

5.8.2 Seal layout of temperature sensor

The sealing of the temperature sensor is generally ca rried with wire seals.
In this section the sealing methods used by Elster GmbH for the standard te mperature
sensors are illustrated as examples. Other variants of seals are possible depen ding on the
combination of temperature sensor and thermowell.

a) Temperature sensor of variable standard thermowell

Kreuzloch-
schraube

Plombierhülse

Fühlertasche

Verschraubung

zur Fixierung des

Temperaturauf-
nehmers

Temperatur-

aufnehmer

Drahtplombe

b) Temperature sensor of variable length + older Elster thermowells

Drahtplombe

Drahtplombe

Kreuzloch-
schraube

Fühlertasche

Temperatur-

aufnehmer

Adapter zur
Plombierung

Plombierhülse

Wire seal

Cable glant for
fixing the tem-
perature sensor

Sealing sleeve

Capstan
headed screw

Thermowell

Temperature
sensor

Wire seal

Wire seal

Sealing sleeve

Thermowell

Temperature
sensor

Capstan
headed screw

Sealing
adapter

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Содержание EK220

Страница 1: ...EK220 Volume Conversion Device EK220 Operating Instructions and Installation Information Operating Manual 73020052 SW Version from V1 20 Issued 01 09 2008 b Edition 1 ...

Страница 2: ...Volume Conversion Device EK220 2 Elster GmbH ...

Страница 3: ...be very grateful for suggestions for improvement and notification of any errors etc With regard to extended product liability the data and material characteristics given should only be taken as guide values and must always be individually checked and corrected where applicable This particularly applies where safety aspects must be taken into account Further support is available from your local bra...

Страница 4: ...lume corrector list 36 3 7 Archive list 40 3 7 1 Find function for checking the archive entries 43 3 7 2 Measurement period archive 2 43 3 7 3 Flexible archives 1 to 4 43 3 8 Status list 44 3 8 1 List of status messages 47 3 8 2 Status register addresses 52 3 9 System list 53 3 10 Service list 55 3 10 1 Submenu ambient temperature SMenu Amb temp 59 3 10 2 Submenu revisal SMenu Revisal 60 3 11 Inpu...

Страница 5: ...s with RS485 interface no modem 96 5 6 4 EK220 connected to RS485 Bus real RS485 97 5 7 Connection of the serial interface RS232 98 5 7 1 Modem with control signals 98 5 7 2 Industrial modem EM260 or Modem without control signals 98 5 7 3 Interface isolator MTL5051 99 5 7 4 Other devices with RS232 interface EK220 battery powered 100 5 7 5 Other devices with RS232 interface EK220 with external pow...

Страница 6: ...ronic Volume Corrector can be used in Ex Zone 1 according VDE 0170 for gases of Temperature Class T4 ignition temperature 135 C e g natural gas See Appendix A 2 for EC prototype test certificate In this application it is essential to take note of the following information F Follow the relevant applicable national regulations and appropriate standards e g EN 60079 14 and EN 60079 11 F Make sure tha...

Страница 7: ...ve 73 012 634 EBL 67 Temperature Sensor Receptacle complete with M10 x 1 weld in sleeve 73 014 456 EBL 160 Temperature Sensor Receptacle complete with G 3 4 weld in sleeve and seal 73 012 100 EBL 250 Temperature Sensor Receptacle complete with G 3 4 weld in sleeve and seal 73 015 695 Three way test tap 73 008 403 Shut off ball valve with Ermeto 6L test connection 73 016 166 Minimess test connectio...

Страница 8: ...nit Operator interface Alphanumeric display with two lines of 16 characters A display list freely assignable by the user Programming via keypad possible Calibration switch separately sealed in the device Two user locks supplier s and customer s locks with numerical codes Access rights for each individual value can be set separately via interface with appro priate rights Counter signal inputs 3 inp...

Страница 9: ... outputs Archives Counter readings and maxima from the last 24 months for Vb and Vm Mean values maxima and minima from the last 24 months for pressure and temperature as well as partially for the K valueand conversion factor Flexible archive for measurement period values consumption profile from the last 5 months for Vb Vm p T K and C standard structure of archive for a measurement period of 60 mi...

Страница 10: ...0 10 Elster GmbH 2 Operation 2 1 Front panel The following are positioned on the front panel for operation Two line alphanumeric display with 16 characters per line Four keys for the display and entry of values Identification label ...

Страница 11: ... panel 1 Prefix Type of computation The type of computation identifies so called initial values also termed capture values These are values which have been formed over a time period e g the adjustable mea s urement period or one month Labels max Maximum highest value within the time range min Minimum lowest value within the time range D Change volume within the time range Æ Mean mean within the ti...

Страница 12: ... are manually cleared B Batteries discharged The remaining battery service life is less than 3 months This display corresponds to Status Message Batt low page 50 L Calibration logbook full The calibration logbook is full some parameters can now only be changed with the calibration lock open PLogB page 46 This display corresponds to the status message PLogb full page 50 F If the calibration lock is...

Страница 13: ...Vb and Vm skipping occurs to the ap propriate value otherwise to the first value Switchover to the second part of the value for values dis played on two lines Counter readings divided into pre and post decimal places Date and time together one value divided Left cursor key Movement to the left to a different list From the last list movement is in the direction of the first list or from the first l...

Страница 14: ... and Value initialisation is possible with 8 Permanent value After ENTER setting to any value within the valid range is possible Selection of each individual character to be changed with and and changing with und Value initialisation is possible with 9 Archive heading Branching to the appropriate archive 11 Combina tion Similar to Permanent value see above but masked entry i e only the character c...

Страница 15: ...rchive value cannot be read The archive has possibly just been opened by the interface for reading out 4 Parameter cannot be changed constant 5 No authorisation for changing the value To change the value the appropriate lock must be opened 6 Invalid value Entered value is outside the permissible limits 7 Incorrect combination The entered combination numerical code is incorrect and the lock is not ...

Страница 16: ...ty for this value via interface This means that also the rights of parties with higher priority can be changed 2 4 1 Calibration lock The calibration lock is used for securing parameters subject to calibration regulations This includes all values which affect the volume counting The calibration lock is implemented as a pushbutton located within the EK220 housing be low the circuit board cover pane...

Страница 17: ...n the lists in the functional description 3 All values which are shown with a minus symbol cannot be changed because they represent for example measurements or constants The locks can be opened by entering a code the combination 3 10 St SL Cod S St PL Cod C 2 5 Formation of the list structure The data display in the EK220 is structured in a tabular form The individual columns in the table each con...

Страница 18: ...Compressibility factor Adjustable counter Adjustable counter Meas range top Zb VbME VmME p F Compressibility factor at base cond Month end value Month end value Substitute value C Time Time pb Conversion factor Time of VnME Time of VbME Press at base cond K F Md p K subst value Pressure mode VbME Typ p Month end value Press sensor type Time SNp Time of VbME Serial no of sensor VmME SMenu p coeff S...

Страница 19: ...Per AudTr Arc Meas range top Calorific value acc to Md K Meas period Audit Trail T F CO2 MP Re PLogB Arc Substitute value Carbon diox cont Rem time mea p Certification data log acc to PL p 58 Tb H2 FrMP ClrPL T at base cond Hydrogen content acc to Md K Freeze ArMP Clear cert data log acc to PL p 58 Md T Rhob Temperature Mode Density gas at base cond acc to Md K Typ T N2 Temp sensor type Nitrogen c...

Страница 20: ... L1 I2 Disp changover time Calibration lock Limit 1 for I2 SNo Contr L2 I2 Serial no device Display contrast Limit 2 for I2 Ta Rg Adj T SpI2 Ambient temp Clock adjust factor Stat pointer mon I2 Vers Save St I3 Software version Savbe all data Status on Input 3 Chk Clr A Selp2 MdMI3 Software checksum Clear achives Select p sensor 2 Mode monitoring I3 Clr V SMenu Amb temp S SC I3 Clear counter Submen...

Страница 21: ...p O2 M INI WME cp value output 2 Initialise modem acc to Md S2 Month end value SpO2 SMenu GSM SMS S Time Status pointer for output 2 Submenu GSM and SMS parameter acc to Md S2 Time of WME Md O3 DProt IDOM Prot S Mode for output 3 Submenu IDOM protocol acc to Md S2 SC O3 SMenu Modbus Par S Source for output 3 Submenu Modbus parame ter acc to Md S2 cp O3 Bd S1 cp value output 3 Baudrate interface 1 ...

Страница 22: ...ion lock PL Certification data log Calibration logbook page 46 M Manufacturer s lock S Supplier s lock K Customer s lock C S Calibration lock or supplier s lock depending on national regulations In case of verification of device under calibration regulations e g acc MID the write access C must be used If the letter is located in brackets the value can only be changed via the inter face and not via...

Страница 23: ...ues some of which are also displayed in another list and described in the corresponding chapters The setting of the values to be displayed occurs by using the parameterisation software WinPADS Vb Volume at base conditions pre decimal places The volume at base conditions computed from the measured actual volume is summed here provided no alarm is present An alarm is present when any message with th...

Страница 24: ...d 3 2 Standard volume volume at base conditions list AD Designation value Unit Access Address DC Vb Volume at base conditions post decimal places m3 C S 2 300_2 12 Qb Flow at base conditions m3 h 2 310 4 VbD Vb disturbed m3 S 2 301 12 VbT Vb total m3 2 302 15 VbA Vb adjustable m3 S 2 303 12 VbME Month end value m3 7 161 16 Time Time of VbME 7 165 16 Legends see page 22 Vb Volume at base conditions...

Страница 25: ...es 3 4 p F 3 5 T F VbT Vb total Here the sum of Vb VbD is always displayed Entries for Vb or VbD therefore also have an effect here No entry for VbT itself can be carried out VbA Vb adjustable Here as with VbT the total quantity i e disturbed and undisturbed volumes are counted In contrast to VbT VbA can however be changed manually The counter is typically used for tests VbME Vb month end value Vb...

Страница 26: ...onds to four pulses Example The cp value of the pulse transmitter Legends see page 22 cp I1 page 60 is 0 1 pulses m3 and the momentary flow rate is 3600 m3 h Þ Pulse frequency 3600 m3 h 0 1 pulses m3 360 pulses h Þ max inaccuracy 4 pulses h 360 pulses h 1 11 VmD Vm disturbed Here the actual volume is summed while ever an alarm is present i e a message with the number 1 or 2 is located in any momen...

Страница 27: ...nge lower limit bar C 6 224_1 8 MRU p Pressure meas range upper limit bar C 6 225_1 8 p F Pressure substitute value bar S 7 311_1 8 pb Pressure at base conditions bar C 7 312_1 8 Md p Pressure mode C 7 317 7 Typ p Pressure sensor type C 6 223 8 SNp Serial no of pressure sensor C 6 222 8 SMenu p coeff Submenu pressure coefficients C 12 1C1 8 pAdj1 Adjustment value 1 for pressure bar C S 6 260_1 8 p...

Страница 28: ...ensor 2 C 13 1C1 8 p2Mes Pressure 2 measurement bar 7 211_1 4 Legends see page 22 The unit of the various pressure displays can vary depending on the device setting The setting of the unit takes place via the WinPADS parameterisation software with the aid of parameter files To do this the appropriate lock must be open Possible units are bar kPa psi and MPa Furthermore representation as overpressur...

Страница 29: ... 2 for pressure Prog Accept pressure adjustment These values are used for the adjustment of the pressure measurement i e for the internal computation of the equation coefficients for the pressure see above The adjustment takes place in three steps 1 Apply measurement pressure 1 reference value 1 to the pressure sensor and enter as pAdj1 2 Apply measurement pressure 2 reference value 2 to the press...

Страница 30: ... for pressure 2 bar S 7 261_1 8 Prog Accept pressure adjustment 2 S 7 259 2 p2Mes Pressure 2 measurement bar 7 211_1 4 p2Abs Absolute pressure 2 measurement bar 7 210_1 4 Legends see page 22 p2 LW Lower warning limit pressure 2 p2 UW Upper warning limit pressure 2 These values are used to monitor the gas pressure p2Mes that is present at the second pressure sensor The message p2 warning limit is e...

Страница 31: ...sponding E1p2 and E2p2 for this The standard value for E3p2 is 0 p2Ad1 Adjustment value 1 for pressure 2 p2Ad2 Adjustment value 2 for pressure 2 Prog Accept pressure adjustment These values are used for the adjustment of the pressure measurement i e for the internal computation of the equation coefficients for the pressure see above The adjustment takes place in three steps 1 Apply measurement pre...

Страница 32: ...uation Eq3p Coefficient 3 of pressure equation The coefficients of the quadratic equation for calculating the pressure p Mes from the raw pressure value Bin p 3 10 p Mes Eq1p Eq2p ž Bin p Eq3p ž Bin p2 To adjust the pressure measurement the 3 coefficients of the quadratic equation can either be found by the EK220 itself or calculated and entered by the user External to the EK220 the three coeffici...

Страница 33: ...2_4 8 d0p1 Coefficient d0 of pressure equation C 6 293_1 8 d1p1 Coefficient d1 of pressure equation C 6 293_2 8 d2p1 Coefficient d2 of pressure equation C 6 293_3 8 d3p1 Coefficient d3 of pressure equation C 6 293_4 8 a Up Coefficient a for pressure main value C S 6 272 8 b Up Coefficient b for pressure main value C S 6 273 8 a RB Coefficient a for pressure auxiliary value C S 6 27A 8 b RB Coeffic...

Страница 34: ...an vary depending on the device setting The setting of the unit takes place via the WinPADS parameterisation software with the aid of parameter files To do this the appropriate lock must be open Possible units are C K and F T Temperature TMin Lower alarm limit temperature TMax Upper alarm limit temperature T is the temperature which is used for computing the conversion factor 3 6 and hence the vol...

Страница 35: ... e for the internal computation of the equation coefficients for the temperature see above The adjustment takes place in three steps 1 Apply measurement temperature 1 reference value 1 on the temperature sensor and enter as TAdj1 2 Apply measurement temperature 2 reference value 2 on the temperature sensor and enter as TAdj2 3 Enter Prog 1 so that the EK220 calculates the equation coefficients Aft...

Страница 36: ...e user External to the EK220 the three coefficients can be calculated based on three values for Bin T and the corresponding reference values When the EK220 determines the coefficients it uses the value for Eq3T set at the time of entering Prog see below and it calculates the corresponding Eq1T and Eq2T for this 3 6 Volume corrector list The values shown in this list depend on the set computation m...

Страница 37: ...analysis input bar S 7 314_1 8 TbX Temperature at base cond for gas analysis input C S 6 314_1 8 Ho b Calorific value kWh m3 S 10 314_1 8 CO2 Carbon dioxide content S 11 314 8 dr Density ratio S 15 314 8 K F K value substitute value S 8 311 8 Md K K value mode C S 8 317 7 d Computation according to AGA 8 Gross characterization method 2 Md K 4 AD Designation value Unit Access Address DC C Conversio...

Страница 38: ...b compressibility factor at base conditions The computation of z and zb takes place according to S Gerg 88 or AGA NX19 depending on the setting of Md K The gas analysis values Ho b CO2 H2 and Rhob Md K 1 resp N2 and dr Md K 2 3 and 4 need to be included in the entries for this 3 6 If the K value mode Md K see below is set to fixed value 0 K is not com puted but the substitute value K F see below i...

Страница 39: ...Nitrogen N2 0 50 Butane C4H10 0 1 Pentane C5H12 0 0 5 F The respective new value is determined from the value entered during entry of the density gas at base conditions Rhob or of the density ratio dr K F K value substitute value If the K value mode Md K see below is set to fixed value 0 the constant K F is used instead of the calculated K value K for the computation of the conver sion factor C se...

Страница 40: ...tual volume total 4 Vm Actual volume undisturbed 5 C Conversion factor 6 T Gas temperature 7 p Gas pressure 8 K K value Examples Device number 1438004 Þ Channel number 3 Þ VmT Actual volume total Device number 1479321 Þ Channel number 7 Þ p Gas pressure ArMo1 Monthly archive 1 Entry point for the first monthly archive in which counter readings and consumption maxima from the last 24 months are sav...

Страница 41: ...min Status for T min K Mon Ø C Mon Ø St 7 St 6 St 8 St 5 Check K value mean C factor mean Status 7 incl p Status 6 incl T Status 8 incl K Status 5 incl C Checksum To ABNo ArMP Measurement period archive Entry point for the measurement period archive where counter readings an d measurements are archived in the cycle of the measurement period MPer The archive structure of the measurement period arch...

Страница 42: ...ress to indicate this special occurrence to the user ArDay Day archive Entry point for the day archive in which counter readings and measurements are daily archived The archive has approx 600 data rows corresponding to a mem ory depth of approx 1 5 years The structure and content correspond to the measurement period archive ArMP for standard parameterisation see above whereby the means of p T K an...

Страница 43: ...ought value 3 7 2 Measurement period archive 2 Measurement period archive 2 is used for saving redundant measurement period archive data These are archived at intervals of the measurement period MPer The structure and content correspond to the measurement period archive ArMP for standard parameterisa tion see above The archive structure cannot be changed The archive has approx 100 0 data rows whic...

Страница 44: ...tatus register total Stat Momentary register total The EK220 supplies two types of status information Momentary status also known as status and the status register Messages in the momentary status point to current statuses such as for example er rors that are present When the state is no longer present the corresponding me s sage in the momentary status disappears Manual deletion is not possible A...

Страница 45: ...s in SReg can be cleared simultaneously Clr Clear status register This enables you to clear all the status register contents i e S Reg and its com plete submenu By pressing ENTER a 0 appears right justified on the display By switching to 1 and finish with ENTER all statusregisters were cleared If the alarm or warning states are however still present they are again directly entered as me s sages Th...

Страница 46: ...k a maximum of 48 parameter changes can be entered With a logbook which is fully written up the status message PLogb full is displayed in the system status page 50 and L page 12 flashes in the display field Status The certification data log can be cleared with the calibration lock open using the command ClrPL see below F If the calibration lock is opened with the certification data log full it can...

Страница 47: ...al on Input I2 8 St 3 SR 3 I3 Warn sig Warning signal on Input I3 Warning 2 8 St 7 SR 7 p2 Warn Lim Warning limits for pressure 2 violated 9 StSy Batt low Battery service life below limit 10 StSy Repair mode Repair mode switched on 11 StSy Clock n set Clock not set 12 StSy PLogb full Certification data log calibration logbook full 13 StSy online Data transmission running 13 St 2 I2 Rep sig Report ...

Страница 48: ...t give rise to any alarm messages nor disturbance quantities p Alarm Lim Alarm limits for pressure violated Message 1 in St 7 The measured gas pressure p Abs is located outside of the set alarm limits pMin pMax 3 4 While ever this message is present in St 7 the substitute pressure p F 3 4 is used for volume correction and disturbance quantities are counted for Vb and Vm 3 2 3 3 The alarm limits ca...

Страница 49: ...St 3 Outp 4 error Error on Output 4 Message 4 in St 4 The volume pulses to be passed through an output are temporarily saved in a pulse buffer The buffer can accommodate 65535 pulses If the volume to be output is co n tinuously greater than that which can be output in the form of pulses the pulse buffer continually fills and will eventually reach its maximum state If then further pulses ar rive th...

Страница 50: ...pen Settings for the message input can be made with MdMI3 SC I3 L1 I3 G3 I3 and SpI3 Further explanation for this 3 11 p2 Warn Lim Warning limits for pressure 2 violated Message 6 in St 7 The measured gas pressure p2Mes is located outside of the set warning limits p2 LW p2 UW 3 4 1 Batt low Battery service life below limit Message 9 in StSy The calculated remaining battery service life Bat R à Ser...

Страница 51: ... Message 14 in St 2 For protection against unauthorised parameterization or reading out via a serial inter face the EK220 has a total of four locks Calibration manufacturer s supplier s and customer s locks The manufacturer s lock is normally only opened for special applications by Elster GmbH staff and includes access for changing all values not subject to official calibra tion It can only be ope...

Страница 52: ... se rial interface accepts calls for data interrogation Outside of these time windows calls are ignored so that for example a person located in the station can be called via a telephone connected to the same telephone line The messages indicates that the responsible time window 3 13 Interface list is 3 8 2 Status register addresses To read out the status information via the interface or to accept ...

Страница 53: ... that the seconds can also be changed The time is updated in synchronism with the operating cycle OCyc see below or after key operation MdTim Daylight saving 0 Automatic changeover between summer and winter time OFF 1 Automatic changeover between summer and winter time Summer time begins on the last Sunday in March at 2 00 hrs and ends on the last Sunday in October at 2 00 hrs 2 Switchover at set ...

Страница 54: ...er factor of the measurement period MPer 3 7 so that the measurement period values can be concluded at the correct points in time The standard setting is 300 seconds 5 minutes With settings less than 300 seconds the battery service life is reduced B 2 Disp Time before display switches off In order to conserve the batteries the display switches off after key operation once the set time has expired ...

Страница 55: ...ock Status close K 4 170 7 Cod C Customer s combination enter change or K 4 171 11 St PL Calibration lock Status close C 1 170 7 Contr Display contrast S 1 1F6 8 Adj T Clock adjustment factor C 1 452 8 Save Save all data S 1 131 2 Clr A Clear measurement archives PL 1 8FD 8 Clr V Clear counters incl archive C 2 130 2 Clr X Initialise device C 1 130 2 Bin T Temperature binary value 5 227 4 Bin p Pr...

Страница 56: ...city and not the residual capacity of the batteries last used is displayed After a battery replacement the capacity of the battery used must be entered here so that recalculation of the remaining battery service life is initiated The capacity to be entered need not necessarily correspond to the typical capacity quoted by the battery manufacturer Apart from these details the capacity d e pends on t...

Страница 57: ...the EK220 is changed In order that the archives are not unintentionally deleted the following safety mechanism is integrated To clear the archives the EK220 serial number found on the name plate of the device must be entered Clr V Clear counters incl archive All the counter readings and archives are cleared Clr X Initialise device All data counter readings archives and settings are cleared To ensu...

Страница 58: ...y SMenu Amb temp With ENTER the submenu for the parameters for the determination and display of the ambient temperature is called here Addr Address for user display User display value under the address Addr The address of any value can be entered under Addr to read it in the display point below it shown here with The address 9 A51 is programmed to the default value PL for the activation or de acti...

Страница 59: ...u Amb temp Ta Ambient temperature C 3 410_1 4 BinTa Ambient temperature binary value 3 427 4 Eq1Ta Coefficient 1 of temperature equation C 3 480 8 Eq2Ta Coefficient 2 of temperature equation C 3 481 8 Eq3Ta Coefficient 3 of temperature equation C 3 482 8 PrgTa Accepts ambient temperature adjustment C 3 459 2 TaAdj Adjustment value for ambient temperature C C 3 460_1 8 Legends see page 22 Ta Ambien...

Страница 60: ... 1 m3 PL 1 253 8 cp I2 cp value for Input 2 1 m3 S 2 253 8 Md I2 Mode for Input 2 S 2 207 7 St I2 Status on Input 2 2 228 4 MdMI2 Mode for monitoring Input 2 S 11 157 7 SC I2 Source for monitoring Input 2 S 11 154 8 L1 I2 Limit 1 for monitoring Input 2 S 11 150 8 L2 I2 Limit 2 for monitoring Input 2 S 11 158 8 SpI2 Status pointer for monitoring Input 2 S 11 153 8 St I3 Status on Input 3 3 228 4 Md...

Страница 61: ...layed here St I2 0 Input signal is inactive no signalling St I2 1 Input signal is active signalling MdMI2 Mode for monitoring E2 SC I2 Source for monitoring E2 L1 I2 Limit 1 E2 L2 I2 Limit 2 E2 SpI2 Status pointer for monitoring E2 F For MdMI2 only enter one of the values described here 2 3 5 or 17 Depending on the system and after entering the key combination ENTER other values are offered which ...

Страница 62: ...put 2 is an active warning input input for warning signal Value Setting Comment Md I2 2 Input mode status input MdMI2 2 Monitoring mode Signal when SC I2 L1 I2 SC I2 02 228_0 St I2 Status on Input 2 L1 I2 1 Comparative value L2 I2 Not used here SpI2 0 08_02 1 1 I2 Warn sig Pointer to message 8 in status 2 warning Input 2 is an inactive warning input e g tamper detection Value Setting Comment Md I2...

Страница 63: ...e EK220 Only one synchronisation per hour can occur St I3 Status on Input 3 Here the status of Input 3 is displayed which is used as status input St I3 0 Input signal is inactive terminals open or voltage 3V St I3 1 Input signal is active terminals connected through low resistance or voltage 0 8V MdMI3 Mode for monitoring E3 Qu I3 Source for monitoring E3 L1 I3 Limit 1 E3 SpI3 Status pointer for m...

Страница 64: ...tive reporting input input for report signal Value Setting Comment MdMI3 3 Monitoring mode Signal when SC I3 L1 I3 SC I3 03 228_0 St I3 Status on Input 3 L1 I3 1 Comparative value SpI3 0 13_03 1 1 I3 Warn sig Pointer to message 13 in status 3 report Input 3 is time synchronised input Value Setting Comment MdMI3 5 Monitoring mode Time synchronised input SC I3 03 228_0 St I3 Status on Input 3 L1 I3 ...

Страница 65: ...per m3 changes to the settings only possible with open supplier s lock Output 3 Status output alarm or warning logic active Changes to the settings only possible with open supplier s lock Output 4 Pulse output VbT total volume at base conditions 1 pulse per m3 changes to the settings only possible with open supplier s lock With the aid of the WinPADS Parameterization Software the access rights 2 4...

Страница 66: ... O1 SC O4 Source for Outputs 1 4 These values are only of significance if the mode Md A of the same output is set to 1 5 volume pulse output 3 or 7 time synchronised output Depending on this the following settings for SC A are practicable for modes 1 and 5 volume pulse output SC A Meaning 02 300_0 Vb Volume at base conditions undisturbed 02 301_0 VbD Volume at base conditions disturbance quantity ...

Страница 67: ... many pulses are to be output for 1 m3 If a mode other than 1 is set cp A has no significance This also applies to the setting time synchronised output see above although then cp A is displayed dependent on SC A with a time unit With a change of the output cp value the corresponding input buffer is cleared cf messages Outp 1 Error to Outp 4 Error page 49 SpO1 SpO4 Status pointer for Outputs 1 4 Th...

Страница 68: ...status St Sy Data restore page 49 c A message in the system status Stat Since Stat combines the messages of all statues this setting means that the out put is switched while ever the message mm is present in any of the statuses St Sy or St 1 to St 9 SpO mm_01 2 1 Example 0 08_01 2 1 signifies Message 8 in any status St Sy or St 1 to St 9 After the entry Message 8 is displayed d Message group in a ...

Страница 69: ... St 9 SpA 0 mm_0s 1 1 A message in the system status StSy SpA 0 mm_02 2 1 A message in the total status Stat SpA 0 mm_01 2 1 Message group in a status St 1 to St 9 SpA 1 mm_0s 1 1 Message group in the system status StSy SpA 1 mm_02 2 1 Message group in the total status Stat SpA 1 mm_01 2 1 s Time synchronised output logic active or inactive Md A 3 or 7 Setting of the time point At the start of eac...

Страница 70: ...art S 6 150 8 CW2 E Call acceptance window 2 end S 6 158 8 CW3 S Call acceptance window 3 start S 16 150 8 CW3 E Call acceptance window 3 end S 16 158 8 CW4 S Call acceptance window 4 start S 17 150 8 CW4 E Call acceptance window 4 end S 17 158 8 CWTst Test acceptance window S 2 727 3 b Mode IDOM protocol Md S2 11 AD Designation value Unit Access Address DC Md S2 Mode Interface 2 S 2 705 7 DF S2 D...

Страница 71: ...22 Md S2 Mode Interface 2 This value informs the EK220 of which device is connected to the internal perma nently wired interface and how it is to be controlled All modes that can be set are described here You can quickly find the setting suit able for your application in Chapter 4 4 Some examples of possible wiring are shown in Chapters 5 6 and 5 7 Md S2 1 With control line Modem control RS232 con...

Страница 72: ... to the same value Ex works the setting is 02 708 02 709 19200 Bd For this mode the EK220 needs an external power supply 6 Modem with return messages battery mode Modem control RS232 control lines Battery operation Baud rate se lection yes no yes no In the mode Md S2 6 the EK220 handles as with Md S2 3 see above the control of the modem via the data lines using return messages The modem is not par...

Страница 73: ...ud rate selec tion no yes yes no In the mode Md S2 13 MODBUS protocol is available over the perma nently wired serial interface Further details à 3 13 3 page 79 15 GSM modem without control lines with call acceptance Modem control RS 232 control lines Battery operation Baud rate selec tion no no no yes Md S2 15 corresponds to Md S2 5 see above but also makes available the GSM network parameters su...

Страница 74: ...an be set Possible settings 300 600 1200 2400 4800 9600 19200 With the application of baud rate selection the baud rate is generally set according to IEC 62056 21 to 300 It is then only used briefly for initiating and terminating the data interchange The actual baud rate for transferring the useful data is aut o matically increased With a modem connected also within an FE260 Function Expansion nor...

Страница 75: ...m it must be ensured that a suitable in i tialization string is available under the address 2 0721 of the EK220 This can then be loaded using the WinPADS parameterization software SMenu Submenu GSM SMS Here the submenu for the GSM and SMS parameters is called with ENTER DProt IDOM protocol Here the submenu for the IDOM protocol parameters is called with ENTER SMenu Submenu Modbus parameter Here th...

Страница 76: ...es the start of a time window is at 6 53 hrs then it is first activated at 6 55 hrs For the connection of an FE230 Function Expansion special parameter files are available which are installed with the WinPADS parameterising program and which can also be loaded with it into the device CWTst Call acceptance window The Test call window enables the GSM modem to be switched on for a parame ter ised tim...

Страница 77: ...modem was rejected network The modem is registered in an external network roaming no command The modem command for reading out the modem status is not parameterised If this text is displayed with the GSM modem connected the EK220 is not correctly parameterised P Sta Reply to PIN Code PIN PIN Code F These values are only valid when using a GSM modem Under PIN the Personal Identification Number of t...

Страница 78: ...hich a daily output of the IDOM protocol data block occurs in addition or alternatively to the cyclical output print Immediate output With the entry of 1 you can initiate the immediate output of an IDOM protocol data block All values are ASCII coded with a terminating Return character 0D hexadecimal They are sent in the following order Value Name Format Unit Actual volume VmT Va 8 places without d...

Страница 79: ...set to 13 Bd S2 to 9600 and DF S2 to 0 or 2 depending on the transmission mode MBTrM see below MBDir Data direction 0 most significant word in the first register 1 least significant word in the first register MBTrM Transmission mode 0 ASCII Mode the contents of each register are transmitted as four ASCII coded hexadecimal digits DF S2 must be set to 0 1 RTU Mode the contents of each register are t...

Страница 80: ...onversion factor 32 5 310 313 K K value 32 8 310 315 p F Substitude pressure 32 bar 7 311_1 317 T F Substitude temperature 32 C 6 311_1 319 N2 Nitrogen content 32 14 314 321 H2 Hydrogen content 32 12 314 323 CO2 Carbon dioxide content 32 11 314 325 Rhob Density gas at base conditions 32 kg m3 13 314_1 327 Q Flow rate 32 m3 h 4 310 329 Qb Flow rate at base conditions 32 m3 h 2 310 331 P Power 32 kW...

Страница 81: ...rbance Here the energy is summed so long as an alarm is present i e a message 1 or 2 is present in any momentary status 3 8 WT W total Here the sum W WD is displayed Entries for W or WD therefore arrive here No entries can be made for WT itself WA W adjustable counter As with WT here the total quantity i e disturbed and undisturbed quantities are counted In contrast to WT WA can however be changed...

Страница 82: ...al gas if the insta l lation is implemented according to DIN EN 60079 14 VDE 0165 Part 1 and the operating conditions quoted in these instructions are fulfilled In particular they are Ambient temperature according to Chapter B 1 Batteries according to Chapter B 2 Correct wiring in particular no active outputs switching one against the other Voltage of an external power supply according to Chapter ...

Страница 83: ...o an absolute pressure of 1 5 bar or an overpressure of 0 5 bar The pressure range can be extended to 2 0 bar absolute pressure or 1 0 bar overpressure if the temperature is always higher than 5 C for gases with Ho b 11 5 kWh m 12 C for gases with Ho b 11 5 kWh m Wider pressure and temperature ranges can be set for the gas composition present at a measuring point if compliance with the error limit...

Страница 84: ...d in the operational and rating data book page Proof of measures implemented unless the calculation method S Gerg 88 is generally accepted for the present application due to a national regulation AGA8 Gross characterisation method 1 und 2 Md K 3 and 4 see Chapter 0 This method is suitable for temperatures between 0 C and 55 C for gas mixtures whose relative density lies between 0 554 and 0 87 whos...

Страница 85: ...other device is connected to the FE260 no modem Num T is not activated Bd S2 19200 Baud rate 19200 Bd or lower depending on the device con nected to the FE260 TypS2 RS485 Type of interface 2 RS485 BusS2 0 No bus mode Num T Num T is only activated with Md S2 3 Possible values are dependent on the modem used e g Standard modem Insys integrated in FE260 2 to 9 ISDN modem Insys integrated in FE260 2 t...

Страница 86: ...s particularly the settings for the readout time window must be adjusted under the interface list 3 13 because the battery service life of the FE230 crucially depends on them 4 4 3 Devices with RS485 interface without modem also FE260 without mo dem F For this applications the EK220 needs an external power supply F Connection see Chap 5 6 1 page 95 For the connection of a device with RS485 interfa...

Страница 87: ...3 Md S2 1 No modem control by the EK220 with RS232 control lines baud rate selection possible Bd S2 19200 19200 Bd without application of baud rate selection 4 5 2 Modem without control signals F For this applications the EK220 needs an external power supply F Connection see Chap 5 7 2 page 98 The following settings should be made under the interface list 3 13 Md S2 3 The EK220 controls the modem ...

Страница 88: ...the useful data is automatically selected This can be set using the WinPADS parameterisation software under address 2 0709 The standard setting is 19200 Bd Without using the baud rate selection reliable data transmission is possible up to a maxi mum of 9600 Bd If a PC with the WinPADS parameterisation software is connected to the MTL5051 the following settings are to be carried out under WinPADS a...

Страница 89: ...he keypad on the device but instead with the aid of the WinPADS parameterisation software The settings which can be made include the event which triggers the message one or two recipients and any eight volume corrector values as the message content With SEND page 77 you can send the defined message also with the keypad 4 5 6 Standard output data records for process data three minute values Process...

Страница 90: ...ture 9 1CD 11 24 32 C 10 10 01CD 8 0310 Inverted compressibility fac tor ratio 10 1CD 11 1 00068 11 11 01CD 2 0310 Flow at base conditions 11 1CD 11 32 23 m3 h 12 12 01CD 4 0310 Actual flow 12 1CD 11 36 m3 h 13 13 01CD 2 0110 Status 2 incl Vb 13 1CD 13 0 14 14 01CD 4 0110 Status 4 incl Vm 14 1CD 13 0 15 15 01CD 2 0100 System status 15 1CD 13 13 15 Setting the data record content You can freely set...

Страница 91: ...on of the pulse transmitter pressure line and insertion of the temperature se n sor in the thermowell 3 If required connection of the following equipment to the power supply input serial inter face or pulse signal outputs F If the EK220 is used in a hazardous area Zone 1 then only intrinsically safe electri cal circuits of certificated associated operating equipment must be connected Their certifi...

Страница 92: ...requency electromagnetic fields The screen must be connected all round complete and flat The EK220 has special EMC cable glands for this purpose With correct connection of the cable screens and correct laying of the cables effects due to circulation should not be expected If however interference due to earthing points with potential differences occur potential equalisation lines can be laid in par...

Страница 93: ... cables make sure that no cables are pinched as the cover is closed X92 Temp X87 Druck X55 X54 K2 K1 DA1 DA2 DA3 DA4 DE1 DE2 DE3 X100 DE1 DE2 DE3 DA1 DA2 DA3 DA4 K3 Fig 2 Terminal layout Inputs DE1 Digital Input 1 DE2 Digital Input 2 DE3 Digital Input 3 Outputs DA1 Digital Output 1 DA2 Digital Output 2 DA3 Digital Output 3 DA4 Digital Output 4 DA4 T T R R Uext GND RS485 DTR TxD DCD RxD RI GND RS23...

Страница 94: ...one 1 the jumper X100 should be plugged onto both pins of the male connector when connecting an exter nal power supply In this way any interference introduced by the connected device which may otherwise cause erroneous measurements can be led away 5 5 Connection of a low frequency pulse generator reed contacts A pulse generator must always be connected to the terminal DE1 In addition a second puls...

Страница 95: ...upply unit In this way any interference introduced by the connected device which may other wise cause erroneous measurements can be led away 5 6 1 FE260 Function Expansion with or without modem F Before connection the display should no longer be active When connecting it must be ensured that first the external power supply and then the communication lines are con nected A four wire connection one ...

Страница 96: ...n the display should no longer be active When connecting it must be ensured that first the external power supply and then the communication lines are con nected F For this applications the EK220 needs an external power supply A four wire connection one core each for T T R R should be made two wire connec tion half duplex is not possible Connection diagram EK220 Device with RS485 interface no FE260...

Страница 97: ...ecting it must be ensured that first the external power supply and then the communication lines are con nected F For this applications the EK220 needs an external power supply F No termination resistance should be connected to the RS485 bus Connection diagram EK220 additional devices Slaves Uext Gnd Data Data T T R R Data Data External power supply Bus Master ...

Страница 98: ...em with control signals F For this application the connection of the external power supply is not possible Connection diagram EK220 Colour Pin Modem gn 3 TxD TxD br 2 RxD RxD pk 1 Ri Ring gr 5 GND GND ye 4 DTR DTR wt 9 DCD DCD Pin numbers of the DSUB 9 plug and core colours when using a ready made cable available from Elster GmbH e g Order No 73016923 2 m or 73017268 10 m 5 7 2 Industrial modem EM...

Страница 99: ...MTL5051 Connection diagram Device with RS232 MTL5051 EK220 10 6 RxD Tx Rx TxD 12 5 TxD Rx Tx RxD 7 n c DTR 8 alle n c ì í î 9 n c DCD 2 5V 12V Ri Uext 11 1 Gnd Ground Ground GND RS232 14 3 n c 24V 13 4 n c n c not connected 1a OFF 1b ON 2a OFF 2b ON Settings of MTL5051 ON ...

Страница 100: ...y is not possible Connection diagram EK220 Connected device RS232 TxD RxD RxD TxD Ri Ri GND GND DTR DCD not connected 5 7 5 Other devices with RS232 interface EK220 with external power supply F For this application the EK220 needs an external power supply Connection diagram EK220 Connected device RS232 TxD RxD RxD TxD Uext Power supply GND Power supply DTR DCD not connected ...

Страница 101: ...l 3 Securing the circuit board The circuit board is provided with a plastic cover to protect it from tampering The fixing screws of this cover must be provided with an adhesive label 4 Securing the inputs and outputs When used in applications subject to official calibration the terminals relevant to official regulations e g counting inputs must be secured against tampering by calibration cover ing...

Страница 102: ...ung der Klemmenabdeckungen für die Ein und Ausgänge Plombierpunkte zur Sicherung der Leiterkarten Abdeckung Plombierpunkte zur Sicherung des Eichschalters b Housing cover front view standard seals Sealing points for securing the calibration switch Sealing points for securing the PCB cover Terminal covers PCB cover Sealing points for securing in and outputs Possible sealing point for securing the i...

Страница 103: ...GmbH 103 c Housing cover front view cover sealing using wire seal optional user sealing Identification label Possible sealing point for securing the identification label Wire seal Capstan headed screws for wire seal for securing the device ...

Страница 104: ...perature sensor of variable length standard thermowell Kreuzloch schraube Plombierhülse Fühlertasche Verschraubung zur Fixierung des Temperaturauf nehmers Temperatur aufnehmer Drahtplombe b Temperature sensor of variable length older Elster thermowells Drahtplombe Drahtplombe Kreuzloch schraube Fühlertasche Temperatur aufnehmer Adapter zur Plombierung Plombierhülse Wire seal Cable glant for fixing...

Страница 105: ...ayouts are to be secured with sealing labels a Internal fitting b External fitting Wire seal Sealing sleeve Pressure connector Pressure sensor Volume Conversion Device Wire seal Sealing sleeve Pressure connector Pressure sensor Connecting cable Sealing point for securing the identi fication label Type identification as sticker or lasered ...

Страница 106: ...ure sensor type 17002 a Internal fitting An internal fitting of this sensor type is not planed at the moment b External fitting Wire seal Pressure connector Pressure sensor Sealing point for securing the identi fication label Type identification as sticker or la sered Union nut ...

Страница 107: ...e given in 3 10 Bat R and Bat K F Battery replacement can be carried out without the presence of a calibration official because the housing itself is not officially sealed F During battery replacement one battery should always remain connected Before the old battery is removed the new battery must be connected Two plugs are provided for this F EK220 measurements may be lost due to careless procedu...

Страница 108: ...d the clock may be slow after battery replacement 5 Insert the new battery and connect to the free plug in parallel to the old battery both are electrically isolated The plugs are polarised against incorrect connection 6 Pull off the old battery from the plug and remove 7 Fix the new battery in the holder on the floor of the housing 8 Reclose the housing make sure that the cable is not pinched 9 U...

Страница 109: ...olume conversion and electromagnetic compatibility EN12405 1 2005 A1 2006 04 Volume conversion electro magnetic compatibility interference immunity EN61326 1997 A1 1998 Electromagnetic compatibility interference immunity impulse voltages interference emission Applied harmonised standards OIML D 11 Edition 2004 E General requirements for electronic measuring instruments interference immunity magnet...

Страница 110: ...Volume Conversion Device EK220 110 Elster GmbH A 2 Approval for Ex Zone ...

Страница 111: ...Volume Conversion Device EK220 Elster GmbH 111 ...

Страница 112: ...Volume Conversion Device EK220 112 Elster GmbH ...

Страница 113: ...Volume Conversion Device EK220 Elster GmbH 113 ...

Страница 114: ...Volume Conversion Device EK220 114 Elster GmbH ...

Страница 115: ...ions condensation Point of use open Mechanical ambient conditions accord to MID Directive Class M2 Electromagnetic ambient conditions accord to MID Directive Class E2 B 2 Batteries Batteries 1 lithium battery 3 6V size D normal rated capacity 16 5 Ah Usable capacity for EK220 13 0 Ah Order no 73015774 1 additional lithium battery optional for double battery service life Order no 73015774 The min s...

Страница 116: ... by the connected device which may otherwise cause erroneous measurements can be led away B 4 Pulse and status inputs Three digital inputs with common ground minus pole for reed contacts or transistor switches only Input DE1 Designation DE1 DE3 Cable connection Plug in terminals d 0 3 1 4 mm With flexible cable use wire end sleeves Screening Connect cable screen to the cable gland over the full ar...

Страница 117: ...C Maximum switching current 100 mA DC Maximum voltage drop 1V Maximum residual current 0 001 mA Pulse duration Min 125 ms adjustable on a pitch of 125 ms Space duration Min 125 ms adjustable on a pitch of 125 ms Output frequency Max 4 Hz adjustable B 6 Optical serial interface Optical interface according to IEC 62056 21 bit serial asynchronous data transmission according to ISO 1177 half duplex Su...

Страница 118: ...s 6 30 bar abs 60 bar abs 8 40 bar abs 60 bar abs 14 70 bar abs 105 bar abs 16 80 bar abs 105 bar abs Gauge pressure ranges 2 Measurement range Max admissible overload 1 4 7 barG 40 barG 4 20 barG 40 barG 16 80 barG 105 barG B 8 2 Type 17002 Only one of these pressure sensor types can be connected to the EK220 The pressure sensor is currently implemented only as an external version Pressure connec...

Страница 119: ...nge 30 C 60 C Measurement uncertainty 0 1 of measurement Mounting Insertion into sensor receptacle with variable length B 10 Measurement uncertainty The error limits quoted in the MID and in DIN EN 12405 are maintained Depending on the ambient temperature and the pressure measurement range detailed data is available on request ...

Страница 120: ...ta format 74 Data protection 16 Data record See Data row Data row 17 Data transfer 12 Day boundary 25 26 40 41 67 81 Daylight saving 52 53 E Event logbook 45 Ex Zone 1 see Zone 1 F FE230 51 52 64 76 86 FE260 85 95 freeze 40 Freeze 42 55 59 G GSM 72 85 87 I IEC 62056 21 74 117 Interface 71 76 Interface isolator 88 99 L Logbook 45 M Manufacturer s lock 22 Maximum 11 Mean 11 Measurement period 41 42 ...

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