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7 Parameter of the gas

Manual ERZ 2000-NG · EN07 · 2019, May 13th

273

7.3.3

CC Calculation of K coefficient

Figure 200: CB Calculation of K coefficient

The selection of the gas model, i.e. the calculation method for determination of the
compressibility coefficient (K coefficient) used for determination of the official custo-
dy-transfer results takes place in

CC05 Calc. methode

.

There are several options available to choose from here:

x

K constant

x

Ideal gas

The simplest possibility is when the same measuring gas is always used, then K =
constant. If this value is known, it can be entered as a default value.

For an "ideal gas", which can be assumed at low pressures, K = 1.

x

GERG 88 S

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Содержание ERZ2000-NG

Страница 1: ...Reliable Measurement of Gas Flow Computer Series ERZ2000 NG OPERATING MANUAL Flow Computer Series Flow Computer Series ERZ2000 ERZ2000 NG NG Issued 2019 May 13th Version 07 Firmware version 1 7...

Страница 2: ...document is a template for translations in other languages Note Unfortunately paper is not updated automatically whereas technical development continuously ad vances Therefore we reserve the right to...

Страница 3: ...tion 13 1 4 Overview 14 1 5 Areas of application 15 1 5 1 Device type adjustment 16 1 5 2 Use in gas measurement technology 17 1 5 3 Seal diagram for devices with MID approval 19 1 5 4 Signature softw...

Страница 4: ...1 9 Assignment of physical values 125 3 1 10 MA Input output function key 125 3 1 11 NA Current input 1 128 3 1 12 NI Res input 1 129 3 1 13 NL Frequency input 1 130 3 1 14 NT Contact inputs 131 3 1 1...

Страница 5: ...Turbine meter 203 6 2 1 EC Billing mode 204 6 3 Ultrasonic gas meter 209 6 3 1 GJ Body compensation 213 6 3 2 UA Ultrasonic volume transmitter 214 6 3 3 UB USZ Reynolds correction 215 6 3 4 UC Base c...

Страница 6: ...7 1 3 BE Methane 262 7 2 Additional gas values 263 7 2 1 AD Superior calorific value 264 7 2 2 AE Standard density 266 7 2 3 LU Quantity weighted average values 267 7 2 4 AF Relative density 268 7 2...

Страница 7: ...Imported gas quality via DSfG 298 7 6 2 IJ Imp GC Modbus main 301 7 6 3 IK Imp GC Modbus ref 302 7 6 4 IL Modbus Master GC1 304 7 6 5 IM Modbus Master GC2 307 7 6 6 IH Imported gas quality via RMG bu...

Страница 8: ...nder running conditions 358 A 5 6 FG Hardware test 360 A 5 7 FJ File system 361 A 5 8 FK Boole function 362 B Updating software 363 B 1 Advance information 363 B 2 Software identification 363 B 3 Upda...

Страница 9: ...arized fault messages 404 J 2 2 Modbus EGO 409 J 2 3 Transgas Modbus 411 J 2 4 Eon gas transport Modbus 413 K Cross references to coordinates 414 K 1 A Measurements 414 K 2 B Components 416 K 3 C Anal...

Страница 10: ......

Страница 11: ...n nection to a PC The electrical connections and their configuration are presented in the third chapter The chapter also outlines how inspections and corrections can be carried out when applicable Mor...

Страница 12: ...fault free and safe operation The ERZ2000 NG was designed and produced according to the state of the art and generally recognized safety standards and directives However its use can entail dangers tha...

Страница 13: ...ocal Area Network is a local or local network a computer network Eth1 Eth2 Ethernet interface 1 2 Ethernet technology enables data to be exchanged in the local network between the connected devices SN...

Страница 14: ...ur warning This warning notice informs you of potentially dangerous situations that can arise due to misuse operator error If these situations are not avoided minor injuries can occur Caution This not...

Страница 15: ...ly before working with the device for the first time x Warnings are provided in the operating manual for unavoidable residual risks for users third parties equipment or other property The safety instr...

Страница 16: ...settings in the factory The calibration official must re apply the seals and blockades Observe the following in particular x Modifications of the flow computer ERZ2000 NG are not permitted x The techn...

Страница 17: ...t provided by the operator must be worn during all work Danger This symbol is used in the manual as a warning of the danger of explosion observe the instructions following the symbol With the danger o...

Страница 18: ...e intended use Maintenance personnel Work on the device must only be carried out by qualified personnel who can carry out the respective tasks on the basis of their technical training experience and f...

Страница 19: ...d directives to be com plied with for the work to be carried out on the flow computer ERZ2000 NG 1 2 5 Risk assessment and minimization According to assessment by qualified employees of RMG the flow c...

Страница 20: ...the basis of their train ing experience or instruction and familiarity with applicable standards provisions accident prevention regulations and system conditions It is essential that these persons are...

Страница 21: ...nsure that all employees who work with the device have read and un derstood this manual You are also obligated to train personnel regularly and inform them of the dangers Ensure that all work on the d...

Страница 22: ...t the RMG service department to arrange for inspec tion of the device after a storage period of longer than one year For this purpose send the device to RMG Note Even if the ERZ2000 NG is stored for a...

Страница 23: ...represented in a graph and checked via alarm output etc The ERZ2000 NG cor responds to the standards directives and specifications listed in chapter 1 5 Areas of application Figure 1 explains the func...

Страница 24: ...accuracy of the overall device The digital data interfaces are also provided on the basic assembly These interfaces can be used as a service interface as a DSfG bus system in accordance with the curr...

Страница 25: ...ftware ID with the specifications on the type plate chapter 2 5 3 Details and chapter 2 5 5 Functions type plate 1 5 Areas of application The essential area of application is the recording and meterin...

Страница 26: ...l apply the necessary seals and blockades after the modification Designations and device variants of the ERZ2000 NG system family Device type switchover Normally a special factory setting is used for...

Страница 27: ...012 ERZ2112 VC for orifice plate flow computer with MC CVC for orifice plate flow computer with MC DC for orifice plate flow computer with MC EDC for orifice plate flow computer with MC ERZ2014M ERZ21...

Страница 28: ...k of explosion Note The ERZ2000 NG system is approved in different variants for custody transfer application for gas measurement technology in Germany and other countries The following EU type examina...

Страница 29: ...rams can be found in this manual or the approval chapter 1 5 3 Seal diagram If a temperature transmitter for the ERZ2004 or ERZ2104 types approved in accord ance with MID it must be secured as follows...

Страница 30: ...1 About this manual Manual ERZ 2000 NG EN07 2019 May 13th 20 Figure 3 Seal diagram front Figure 4 Seal diagram sides A B C D...

Страница 31: ...e enclosed socket shells which must be sealed by the calibration officer after adjustment and commissioning These seals are applied by a calibration official and must be broken and re applied strictly...

Страница 32: ...ng signature In the process the data is not encrypted but the signature makes it possi ble to determine whether the data originated from a secure source and whether the data quantity was manipulated T...

Страница 33: ...erization menu submenu Parameter data under ER Signature in the coordinates ER05 public key Qx first 40 characters ER06 public key Qx additional characters ER05 public key Qy first 40 characters and E...

Страница 34: ...is selected in the coordinate ER01 Signature x No signing no x Short signing code RMD160 ECDSA192 x Long signing code SHA256 ECDSA192 Note The DVGW Deutscher Verein des Gas und Wasserfaches recommends...

Страница 35: ...itored with a check number Note This check number is a component of the custody transfer approval The check number must be entered in coordinate EJ10 Enable It is found in the menu Documentation sub m...

Страница 36: ...eparated by a blank space for easier legibility SHHH BBFF FFFF FFFF S Column 7 gas HHH Manufacturer 061 RMG BB Year of manufacture 2 digit e g 13 2013 FFFFFFFFFF Serial number 10 digit only numbers Th...

Страница 37: ...ened Orange LED measure ment Continuously illuminated Meter is connected and delivers data Blinking light Flow rate outside of permissible limits Off No flow Yellow LED warning Blinking light There is...

Страница 38: ...nd largely self explanatory user interface You jump back to the start screen from any place in the menu with the home button Pressing the button again jumps to the Message screen menu Caution Operate...

Страница 39: ...The LAN cable connects one of the 2 connection ports Ethernet 1 or 2 on the rear side of the ERZ2000 NG see Figure 13 Rear side of the ERZ2000 NG and Ethernet interfaces with the local network of the...

Страница 40: ...an view and or download data also different data on the ERZ2000 NG depending on their user rights x Parameterization applies to both users in equal measure In order to ensure that the network connecti...

Страница 41: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 31 Figure 14 ERZ2000 NG start screen 3 The ERZ2000 NG logs in with the screen Figure 15 Overview menu Figure 15 Overview menu...

Страница 42: ...Operation of the ERZ2000 NG is analogous to the activation on the display screen using the mouse and clocking on the selected items The selected parameters and settings you choose are adopted correctl...

Страница 43: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 33 Figure 17 Display of the ERZ2000 NG in the browser...

Страница 44: ...uch as Overview Absolute pressure Gas temperature etc A symbol change from to also takes place here Then you see the content of the select ed menu see Figure 18 Overview of measurements Click on the f...

Страница 45: ...The time must change in the seconds A live connection is only provided thereafter All values not only the values shown in Figure 18 Overview of measurements are updated online continuously live If th...

Страница 46: ...1 Debug value internal use 8 9 Update The display is refreshed with the new applicable values The heading of the sub menu is under these lines e g AA Measurements function key Various measurements ar...

Страница 47: ...back to the initial menu Figure 18 Overview of measurements The corresponding live values their unit if available are behind the measurements and the corresponding coordinates are in the menu and the...

Страница 48: ...ter can be changed with open calibra tion switch G Violet Parameter for e g units can be changed in super user mode 1 Enter user code 2 Open calibration switch This identification and the color assign...

Страница 49: ...tion for the physical var iable this physical identification is assigned to the coordinate AB01 Measurement variable If applicable a coordinate can also be a function then these designations can also...

Страница 50: ...g on the device type and operating mode setting In addition there are also coordinates functions that are only intended for service purposes and for review Depending on the user profile and the select...

Страница 51: ...rd protection C Special case Code word entry check D General displays display values non custody transfer E Parameters protected by official calibration F Freeze value not editable G Parameter for e g...

Страница 52: ...S Parameter under super user protection T Parameter under double code word protection W Factory parameter can only be changed in the factory X Automatically changing input value under calibration swit...

Страница 53: ...tened for testing and the call up can be triggered prematurely Figure 25 Automatically changing value KC06 remaining time trigger Trigger These values basically have no function in the basic state A t...

Страница 54: ...cess authorization e g super user these values are still displayed and changes can be made however these changes have no effects Other fields can also be described directly such as Figure 27 Entry in...

Страница 55: ...main menu you return to the previous menu In order to familiarize yourself with the settings options and the type of setting we recommend testing the settings options in the various menus in this dis...

Страница 56: ...calibration switch and without entry of a protection code With entry of the first protection code you reach the next protec tion level and entry of the second protection enables access to the third p...

Страница 57: ...enabling of an operating mode protected by calibration lock Calibration lock With influence on measurement and measurement accuracy e g alarm limits coefficients operating modes especially also opera...

Страница 58: ...ted with the same code 9999 with the same procedure then ED04 Current access displays Double code Separation between supplier and purchaser is possible with 2 different code words The calibration lock...

Страница 59: ...coordinate ED01 Revision mode and the revision bit in the bit string of the computer is set It identifies archive entries and standard queries When an revision is in progress pulse outputs are switche...

Страница 60: ...ng Figure 34 Menu EE Display First select the user language in the coordinate EE01 Language German Eng lish and Russian are available selections The second coordinate EE02 User pro file explains the u...

Страница 61: ...can be adjust ed between 1000 and 4000 in coordinate EE05 Contrast Touchscr 2500 is the presetting A comma or period configured as a Decimal separator in EE06 paragraph star cross or none can be selec...

Страница 62: ...ds completely by writing directly in them Choose between main measurement and comparison measurement in the co ordinate EL01 Measuring priority Coordinate EL17 Billing gives you the choice between sta...

Страница 63: ...as the Q column are located in the Ar chives tab see below x Only the matrix is shown there are some additional data and functions availa ble with the browser To change parameters you go to the corre...

Страница 64: ...ing menu and are accessible via the buttons on the upper bar The following screens i e menus are available where the following sections are displayed Overview Start screen with counters and important...

Страница 65: ...8 92DC in this case is listed in the first field under value Note The calculation method can only be changed in non custody transfer mode In addition to further gas specific parameters the data for th...

Страница 66: ...d and viscosity are shown in this display 2 5 1 3 Orifice plate Figure 41 Overview Orifice plate sub menu Various data of the orifice plate is displayed in this sub menu such as the volume flow at mea...

Страница 67: ...be activated as CO2 counters for energy efficient monitoring 2 5 1 5 Customer specific counters customer counters Figure 43 Overview Customer counters sub menu Along with the counters that are depende...

Страница 68: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 58 Figure 44 Menu LA Overview...

Страница 69: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 59 Figure 45 Menu LB Totalizer BM1...

Страница 70: ...ata and settings must be activated with entry of the code word The calibration switch can remain closed The configuration can be carried out in menu L Totalizers sub menu LV Customer totaliz A and sub...

Страница 71: ...red i e user code and calibra tion switch must be open In menu LK Counter parameters the standard setting of the volume at measurement conditions Vm and volume at base conditions Vb of en ergy and mas...

Страница 72: ...volume at base conditions and energy flow stops with an alarm The volume at meas cond continues with an alarm insofar as the volume transmitter is not affected by a failure If there is a failure of th...

Страница 73: ...kay status in normal operation regardless of whether they are running or not or whether another route is active In case of an fault all disturbance totalizers have the okay status and all main totaliz...

Страница 74: ...zers original total izers All other totalizers remain unaffected Vc Vm All Vc totalizers corrected volume at meas cond are set to the current value of the assigned Vm totalizers uncorrected volume at...

Страница 75: ...izers operation With Only undisturbed for example the customer totalizers only run when the ERZ2000 NG status is undisturbed The selection of totalizers source s is made in coordinate LV32 Assignm to...

Страница 76: ...rement conditions or the measured flow The aver age flow speed is also displayed 2 5 1 7 System Figure 50 Overview System sub menu Various general values are displayed here including the IP addresses...

Страница 77: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 67 Figure 51 Overview System sub menu...

Страница 78: ...n order to implement calibrational commissioning of the ERZ2000 NG on site at the measuring station a service technician and a calibration official are required First a calibration commissioning Calib...

Страница 79: ...sful the calibration switch is closed and the device is sealed by the calibration official Then the final setup of the ERZ2000 NG can take place In the process the network set tings and time zone are...

Страница 80: ...ing with the stylus on the touchscreen or by clicking with the right mouse pointer in the PC display for the sub menus Fig ure 55 Details menu shows the screen Figure 55 Details menu Chapter 2 1 3 Rem...

Страница 81: ...er Functions The Functions menu opens 5 additional sub menus which are listed below 2 5 5 1 Drag pointer The absolute minimum and maximum values for the measurements since the last restart or since th...

Страница 82: ...libration Figure 58 On the fly calibration sub menu under Functions Totalizers that can be started like a stopwatch at 0 are shown in this screen It is started with Enter to the right of the values Th...

Страница 83: ...sions pulse value about the type of gas composition velocity of sound and the environmental and base conditions pres sure temperature The type plate data is only displayed here there is no input possi...

Страница 84: ...cording to the four times Times that have already elapsed are highlighted green 3 The result can be read in the green highlighted table to the right You can switch back and forth between the tables fo...

Страница 85: ...sufficiently long to minimize resolution error 1000 seconds This also applies for the On the fly calibration function The coordinates of the menu in detail FF01 Revision status Shows the current statu...

Страница 86: ...stamp with input via the DSfG from the revisioning PC If the 4 time stamps are entered the function starts automatically after the times are reached and stops after the expiration of the 4th time stam...

Страница 87: ...0 000000 0 000000 0 000000 0 000000 MWh Qm 117 589 117 589 117 589 m3 h Qmc 117 589 117 589 117 589 m3 h Qb 4402 15 4402 15 4402 15 m3 h Qe 43986 2 43986 3 43986 3 kW P 35 000 35 000 35 000 bar T 0 13...

Страница 88: ...he totalizer statuses are hidden If for instance only the disturbance totalizers are run ning the stationary main totalizers are stored with the difference 0 For interface protocols that only send the...

Страница 89: ...ordinates FC03 to FC05 can be used to adjust when and how the freeze function is activated FC04 de fines the freeze time interval over which the data is recorded and archived In coordi nate FC05 Sourc...

Страница 90: ...cal freeze in the specified interval coordinate FC04 Freeze interval Contact Trigger freeze with a selectable contact input Manually e g Freeze is triggered with button via contact input 2 Every month...

Страница 91: ...the device the archive content can also be exported in the Excel compatible tsv format with the internet browser Transmission of data line by line to the Excel tsv format is also possible Consequently...

Страница 92: ...n menu for the storage of data comparable to the selection for the current outputs Figure 68 Free progarm mable archive Parameterization of the archive content takes place under OU Freee programmable...

Страница 93: ...books change buffer etc In menu E Mode sub menu EM Erasing procedures Figure 69 EM Erasing proce dures menu archives log books etc can be deleted As a Super user see chapter 2 3 Access protection for...

Страница 94: ...es All messages that have taken place since the last deletion are displayed in different colors in this field Red Pending alarms i e faults of the custody transfer functions that result in counting in...

Страница 95: ...d between a single value message appears and then is pending permanently the two value message is al ways present but with interruptions There is only one status for single value mes sages Message is...

Страница 96: ...upper part of the screen Temperature measured value Absolute pressure measured value standard density measured value Density measured value Supe rior calorific value measured value Carbon dioxide norm...

Страница 97: ...can be activated to increase or decrease the display in intervals The value range of the displayed value is shown x The scaling of the time axis is permanently specified x By swiping right on the tou...

Страница 98: ...ing a separate buffer in time lapse it is possible to check the highest load with the original data A test cycle of one hour is reduced to one minute etc The following menus have a similar structure a...

Страница 99: ...ignal are required in KC ext time signal The time system consists of a battery buffered quartz controlled real time clock module RTC This provides the basic time for the ERZ2000 NG 2 6 1 KA Times and...

Страница 100: ...me KA01 Date and time is calculated and displayed with the offset according to the adjusted time zone Like above a menu is opened by clicking on KA13 Time zone in order to select a time zone All time...

Страница 101: ...2 hours plus an additional hour during the summertime x Without summertime changeover KA13 Time zone UTC 2 KA03 Diff to UTC 7200 s 2 hours Paraguay x With summertime changeover KA13 Time zone Paraguay...

Страница 102: ...can be adjusted in KB02 Time cont duration and the frequency in which the pulse is generated can be adjusted in KB03 Time cont mode off every minute every 30 seconds every hour every 30 minutes every...

Страница 103: ...following options are available Off DSfG Time synchronization is only expected and accepted via DSfG Full minute The time contact takes place on the whole minute In second 30 The time contact takes pl...

Страница 104: ...closed cali bration switch can take place with the adjustment is within a time window of 20 seconds but no more than once per day When the calibration switch is open any arbitrary en tries are possibl...

Страница 105: ...ing time with entry of the number 2 means a call takes place after 2 seconds If the call was successful and a plausible time was heard the value in KC06 is set to 90 000 seconds i e the next call at t...

Страница 106: ...me server 37 123 e g 192 53 103 104 corresponding to the internet address ptbtime2 ptb de of the PTB time server The IP address can be determined by pinging ptbtime2 ptb de The protocol of the time se...

Страница 107: ...ility The ERZ2000 has 2 clocks a long term clock hh mi ss hours minutes seconds DD MO YY day month year and a short term clock that can be calibrated The short term clock is used for totalizer integra...

Страница 108: ...ed with the following extension boards 1 DSfG board for flow corrector and registration instance and DSfG control station 2 Ex isolation board for volume measurement and comparison Vc p and T with 4 2...

Страница 109: ...3 Electrical connections Manual ERZ 2000 NG EN07 2019 May 13th 99 Figure 81 Menu EH Module assembly...

Страница 110: ...s a standard assignment of terminals that always use the first pins in consideration of numbering Additional pins are reserves and or can be assigned by means of soft ware Therefore it is also possibl...

Страница 111: ...3 Electrical connections Manual ERZ 2000 NG EN07 2019 May 13th 101 Figure 83 Menu EI Configuration...

Страница 112: ...EI22 to EI26 contain reference values for temperature measurement they must not be changed In EI27 Drag indicator mode the drag pointer must be set to the source value for conversion of measurement o...

Страница 113: ...minal 2 Transistor output 5 Terminal 3 Transistor output 6 Terminal 4 Transistor output 6 Terminal 5 Transistor output 7 Terminal 6 Transistor output 7 Terminal 7 Frequency output higher prio or trans...

Страница 114: ...7 PT 100 500 1000 1 supply standard connection Terminal 8 PT 100 500 1000 1 sense standard connection Terminal 9 PT 100 500 1000 1 sense standard connection Terminal 10 PT 100 500 1000 1 supply stand...

Страница 115: ...nput 7 reserve for 2nd volume input meas channel Terminal 5 Signal input 8 reserve for 2nd volume input comp channel Terminal 6 Signal input 8 reserve for 2nd volume input comp channel Terminal 7 Volu...

Страница 116: ...y input 8 VOS by software ERZ2004 2104 NG X 9 and X 10 are optionally assigned X 9 Terminal 1 Ex option enco Vo Terminal 2 Ex option enco Vo Terminal 3 Ex option Vb measuring channel HFX Terminal 4 Ex...

Страница 117: ...ities increases if the optional Ex input board is used This input board enables galvanic isolation of MSR signals such as 20 mA cur rent loops or the adjustment and or standardization of signals Intri...

Страница 118: ...nd volume F instance X 38 COM 7 Interface X 18 Ethernet 1 Network connection Multi session capability Modbus IP http Single session optional interface Re mote operation DSfG B IP SNTP TIME X 19 Ethern...

Страница 119: ...5 GND GND SGND Signal Ground 6 TxD B 7 8 RxD B R TN B Data 9 Use Switchable from RS 232 to RS 422 or RS 485 can be optionally assigned with dif ferent protocols MODBUS protocol and IGM for ultrasonic...

Страница 120: ...ure 84 IB Serial interfaces The operating mode for the COM 1 interface is adjusted in the menu IB Serial inter faces with coordinate IB03 COM 1 operating mode The mode can be set to x Off x Modbus ASC...

Страница 121: ...OWSICK ultrasonic meter COM 2 Pin assignment Pin Mode RS 232 1 2 RxD 3 TxD 4 5 GND 6 7 8 9 Use The RS 232 cannot be switched with the DZU protocol occupied Connection to US 9000 main totalizer for ult...

Страница 122: ...shake to RS 485 DSfG compliant Can be as signed with a second Modbus protocol or the DSfG control station Note The DSfG interface implemented in the ERZ2000 NG conforms to the current version of the t...

Страница 123: ...function for converter and registration instances or RMG bus func tion The DSfG interface implemented in the ERZ2000 NG also conforms to the cur rent version of the technical specifications of the DS...

Страница 124: ...7 RTS 8 CTS 9 RI Use RS 232 with handshake plus carrier plus ring Usable for MODEM DF With connection of a modem Modem must be selected in coordinate IB21 COM 5 operating mode 3 1 6 External modem con...

Страница 125: ...onnection contact the RMG service department 3 Connection The ERZ2000 NG is connected to the external modem via a fully assigned RS232 cable i e all 9 pins must be used 1 1 Note The modem connection d...

Страница 126: ...n deactivated s0 1 Set register 0 to 1 which means the number of alert characters after which the modem answers and establishes the connection should be 1 x3 Response setting Hayes Smartmode 300 compa...

Страница 127: ...igure 87 Menu IB Serial interfaces The parameters for operation of the serial interfaces also DSfG B and Modbus are adjusted in this menu IB Serial interfaces The coordinate IB15 is an internal interf...

Страница 128: ...c assignment of the Modbus register upwards from 9000 Transgas Register assignment for data exchange with bus coupler for Transgas Portugal EGT Register assignment for Eon Gas Transport Werne Project...

Страница 129: ...Accuracy 0 01 Hz U hys 1 0 V U trg 3 0 V Overvoltage protection 6 8 V with external module 18 0 V with internal module galvanically isolated Channel 2 Volume comparison channel HF input Same data as...

Страница 130: ...e 0 4 to 25 mA Resolution 20 bit U max 2 5 V Ri 250 Tk 15 ppm Measuring time 50 ms Overvoltage protection 6 8 V Calibration of current inputs takes place at the factory but correction can take place w...

Страница 131: ...eversal and external freeze Digital status inputs All inputs are galvanically isolated from the computer but not from each other The following can be used as signal transmitters contact open collector...

Страница 132: ...sat 1 2V or Ron 50 Ohm F max 400 Hz Overvoltage protection 33 V galvanically isolated Pulse outputs Quantity 4 tmin off 16 ms tmax off 230 ms tmin on 16 ms tmax on 230 ms Ic 100 mA UCEsat 1 2V F max 4...

Страница 133: ...her the ERZ2000 NG scans the cor responding terminals in order to determine the measurement If the value of the co ordinate under EI Configuration is 0 no measurement takes place on this channel Note...

Страница 134: ...r the measuring channel and F2 for the comparison channel Frequencies F5 F6 F7 and F8 are assigned for density F5 standard density F6 and velocity of sound F8 Note This frequency measurement has a dif...

Страница 135: ...NG EN07 2019 May 13th 125 3 1 9 Assignment of physical values The assignment of physical values to the inputs and outputs is discussed in the fol lowing chapters 3 1 10 MA Input output function key Fi...

Страница 136: ...rature Limit ranges and significances can also be defined There is an input field available for each measurement value for assignment of a name Special measure ments are found in menu O Miscellaneous...

Страница 137: ...e special counter set for undefined direction should take place in case of an implausible contact assignment see above The 4 special countera are assigned to frequency inputs 1 to 4 as an additional c...

Страница 138: ...Figure 90 Menu NA Current input 1 Current input 1 is shown here as an example for all current inputs These current in put menus are essentially display menus Coordinate NA15 Beneficiary displays which...

Страница 139: ...ure 91 Menu NI Res input 1 Resistance measurement 1 is shown here as an example for all resistance meas urements These menus are essentially display menus Coordinate NA15 Benefi ciary displays which f...

Страница 140: ...inate NL15 Beneficiary With use of the Ex board input NL10 Weighting is free and can be used for other counter inputs The assessment and the unit must be entered here appropriately The ERZ2000 NG has...

Страница 141: ...cal connections Manual ERZ 2000 NG EN07 2019 May 13th 131 3 1 14 NT Contact inputs Figure 93 Menu NT Contact inputs Assignment to MRG functions measurement positions etc takes place with menu NT Conta...

Страница 142: ...EN07 2019 May 13th 132 3 1 15 NU Current input 9 Exi Figure 94 Menu NU Current input 9 Exi The additional NU Current input 9 and NU Current input 10 become possible with use of the Ex board Note Slots...

Страница 143: ...19 May 13th 133 3 1 16 NY Resistance measuremnt 3 Figure 95 Menu NY Resistance measurement input 3 The additional NY Resistance measurement 3 becomes possible with use of the Ex board NZ Resistance me...

Страница 144: ...program Expanded selec tion and enter a measurement variable with MB06 Extended assign For this pur pose coordinate MB06 Extended assign offers the possibility of jumping to another menu by clicking o...

Страница 145: ...rent can take place according to 3 methods in MB17 Method slow Output method for printers or displays etc The output current is updated and held for one second every full second The output current inc...

Страница 146: ...lly in tended for the volume flow at measurement and base conditions these are subject to the calibration lock the other two frequency outputs are not The current situation with the pulse output remai...

Страница 147: ...he current billing mode corresponds to one of the modes listed here Example The setting here should be 134 The pulse accumulation takes place in billing mode 1 3 or 4 There is no accumulation in billi...

Страница 148: ...g frequency is then of course smaller sometimes even significantly smaller If a flow rate value is derived from the counting frequency it is recommended to se lect the E15 strategy smooth for control...

Страница 149: ...able must be assigned by clicking on edit under MJ04 Assign ment then a selection menu appears The thresholds MJ06 Min threshold and or MJ07 Max threshold must also be defined for these operating mode...

Страница 150: ...s different flow rates and flows takes place here If the pre adjusted selection is not sufficient any other arbitrary variable can be as signed in a selection menu that opens when the user clicks on e...

Страница 151: ...revision live value retained value Note The coordinates ED13 14 and 15 can only be changed with Super user authori zation after opening the calibration seal With revision or rev via contact coordinate...

Страница 152: ...gas measuring device Modbus Modbus RTU via serial interface RS 232 or via Bus RS 485 Alternative Modbus IP via Ethernet with gas quality manager GQM e g Siemens PCS 7 with special program For activat...

Страница 153: ...r addi tional reference material The DSfG functionalities realized in the ERZ2000 NG are implemented according to these requirements i e in accordance with G485 The DSFG operation can be realized via...

Страница 154: ...ed electrically to the housing of the device DSfG bus termination The start and end of the DSfG bus must be terminated electrically For this purpose there are two 8 pole DIP switches Figure 103 on the...

Страница 155: ...of the computer and 2 cables must be connected in this case it is functionally identical whether DIL 1 or 2 is used for activation Meaning with switch closed Closed means the corresponding switch is...

Страница 156: ...le configurable range of 100 MODBUS registers in the ERZ2000 NG which can be pre assigned with a factory setting default of 50 values of 4 bytes each The contents of these 100 registers can be changed...

Страница 157: ...irst position in the super block proceed as follows View the MODBUS super block in the internet browser Figure 104 Modbus super block As a super user you can search and select the coordinates Then go...

Страница 158: ...the EGO Modbus appendix J 2 2 Modbus EGO a special interface for Erdgas Ostschweiz the Transgas Modbus appendix J 2 3 Transgas Modbus and the EON Gas Transport Modbus appendix J 2 4 Eon gas transport...

Страница 159: ...tellation can also be adjusted which means one PGC is coupled via a serial interface and the other via a TCP IP network see Figure 107 Mixed connection of PGCs gas analysis Serial interfaces and TCP I...

Страница 160: ...rs can also be supported e g a Siemens PGC Figure 108 IL Modbus master for the PGC gas analysis shows the Modbus menu for a PGC Figure 108 IL Modbus master for the PGC gas analysis A reduced graphic F...

Страница 161: ...of the analysis specific data IL01 to IL26 is provided in chapter 7 6 4 IL Modbus Master The various selectable streams are also ex plained here Register address The ERZ2000 NG has the default of the...

Страница 162: ...Example unit conversion A value coming from the PGC can be converted using a factor For instance to convert the calorific value with the unit kWh m3 to MJ M3 F7020 3 6 must be multiplied in coordinat...

Страница 163: ...er unsigned short int The prefix for this is a lower case u The register address is 10 i e the value with u10 must be requested Then the value must be checked with a comparison operator to zero The ex...

Страница 164: ...ion Subtraction Multiplication Division Modulo Algebraic sign x Comparison operators greater than less than greater than or equal to less than or equal to equal unequal x Logical operators Logical And...

Страница 165: ...ing is activated x Modbus IP Coupling via TCP IP network x Modbus RTU C6 Serial coupling via Com interface C6 x Modbus RTU C7 Serial coupling via Com interface C7 IL51 IP address The PGC IP address mu...

Страница 166: ...are available 1234 2143 3412 4321 IL58 Byte order double The byte sequence of double exact floating point numbers can be adjusted here A double exact floating point number consists of eight bytes The...

Страница 167: ...Source The input contact which controls the cooperation of the ERZ2000 NG with the two PGCs is selected here The following options are available x Off No contact for PGC control is selected x Contact...

Страница 168: ...djustment with potentiometers Menu GU Namur sensor adjustment enables the following settings for NAMU signals of high or low frequency transmitters or ENCO encoders as well as pressure and tem peratur...

Страница 169: ...d manually For example the IP4 address for the ERZ2000 NG must be entered manually in coordinate IA01 own IP Addr Eth1 for network 1 e g 10 20 13 71 Under this address or the automatical ly assigned a...

Страница 170: ...log assignments for the Ethernet interface 2 are made with coordinates IA21 IA33 IA34 IA35 and IA36 The value of coordinate IA41 Port HTTP is typically Port 80 It cannot be changed 4 5 2 IC DSfG insta...

Страница 171: ...nce The number code can be positive message coming or negative message going The number value stands for a message text The message numbers 1 999 are univer sal messages Higher numbers are assigned wi...

Страница 172: ...G 1 Data elements a Computer 4 5 3 ID DSfG entity recording Figure 113 Menu ID DSfG entity recording ID 01 Rec entity address contains the DSfG address of the registering unit All 30 DSfG slave addres...

Страница 173: ...rchive group can be entered in coordi nates ID 05 to ID 12 A DSfG freeze telegram can be triggered with yes in ID21 Attention freeze This may be necessary if there is no revision switch in a station w...

Страница 174: ...F instance of the computer and the total izer instance is not relevant for billing In general the DF is an independent device which simultaneously fulfills the func tion of control station This cannot...

Страница 175: ...tgoing calls PTB Time service The trigger for handling the PTB time service is edited The following messages are possible M52 2 Call modem carrier signal coming M52 3 PTB time PTB telephone time servi...

Страница 176: ...meaning of the commands is explained in the documentation of the respective modem Minimum necessary information to be determined Is pulse dial necessary Brrr tatatatata ATDP command Is multi frequency...

Страница 177: ...he login procedure Identification Level 2 of the login procedure Commands Level 3 of the login procedure Connected Transparent status closing TCP IP connection is capped on the ERZ side closed TCP IP...

Страница 178: ...bination of both of the above strategies The control station runs on COM3 Ensure the same setting in baud rate data bits parity and stop bits in regard to COM4 DSfG slave instances With traditional co...

Страница 179: ...DSfG checksum Block check incorrect x H64 9 DSfG broadcast Block check in broadcast incorrect x H65 0 DSfG broadc_inc Broadcast ignored x H65 1 DSfG busterM m Bus termination problem Note The cause of...

Страница 180: ...ed below according to function The gas component analysis and various flow meters have a separate chapter due to their importance Some of the measurements are assigned to these chapters Note Should cu...

Страница 181: ...iew of measurements After clicking on AA Overview the screen shown in Figure 116 Overview of measurements appears The heading of the sub menu is under these lines e g AA Measurements function key Vari...

Страница 182: ...ions of the select ed parameter are shown are opened by clicking on the underlined text Clicking on the Heading again will bring you back to the initial menu Figure 116 Overview of measurements The co...

Страница 183: ...B04 tempera ture AC04 calorific value AD04 etc can be switched to a different unit but without automatic conversion taking place Unlike the meters the min value max value assignment determines the cal...

Страница 184: ...5 Transmitters Manual ERZ 2000 NG EN07 2019 May 13th 174 Figure 119 Menu AB Absolute pressure The list of selectable pressure sensors is displayed in 3 columns instead of 1 central column...

Страница 185: ...the ERZ2000 NG The manufacturer and trans mitter type and pressure range are adopted The operating mode is defined with the transmitter type in this case measurement value source value the default val...

Страница 186: ...also connect other pres sure transmitters Note In this case select a transmitter from the list that is most similar and then adjust the values If you want to change the values of the pre settings sim...

Страница 187: ...nts on PT100 PT500 and PT1000 can be also be conducted for the gas temperature measurement next chapter The characteristic curve of these resistance measurements as a function of the temperature is no...

Страница 188: ...mber 12 345 is displayed as with 0f as 12 with 1f as 12 3 with 2f as 12 35 the rounding of the third decimal place is factored in correctly here The calculations generally take place with 8 digits whe...

Страница 189: ...e pressure This function is required if an overpressure transducer is used instead of the absolute pressure transducer Then the operating mode must be set to from overpressure in AB Absolute pressure...

Страница 190: ...ansmitters Manual ERZ 2000 NG EN07 2019 May 13th 180 5 3 Temperature transducer The gas temperature is displayed as menu AC Gas temperature as a second measurement value Figure 124 Menu AC Gas tempera...

Страница 191: ...place The characteristic curve of these resistance measurements as a function of the temperature is not exactly linear and can be described by a polynomial with 4 coefficients 0 1 2 3 according to Cal...

Страница 192: ...urements Figure 126 Menu OF Special measurement 1 Free inputs up to 8 can be assigned with signals in a similar manner to the custody transfer relevant measuring inputs These must be treated analogous...

Страница 193: ...are summarized below in the process directly measured values such as ultrasonic running times and derived values such as the average speed are differentiated between both with the ultrason ic gas mete...

Страница 194: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 184 6 1 2 GB Flow rate parameters Figure 128 Menu GB Flow rate parameters...

Страница 195: ...ressure the minimum permissible volume flow can be decreased Since the density is correlated with the pressure there are three setting options no via pressure and via density Comment The density of a...

Страница 196: ...t a standstill or with pulses in zero point operation of other meters Coordinate GB15 LF measurable defines whether the current flow rate is calculated from the transmitted low frequency or the volume...

Страница 197: ...analog signal proportional to the flow rate A current input must be selected as source with AQ Flow propor tional signal in coordinate AQ03 Source Note If multiple flow rate data variables are transm...

Страница 198: ...ogress and flow rate are calculated from the better HF input HF2 ch X Y Two channel operation with HF inputs Different significance The difference formation and compar ison take place in the software...

Страница 199: ...rm is triggered in case of synchronization errors then no change over to Vo takes place HF2 ch X Y Vo Vm is calculated from the input signal Vo is used for com parison and the check for synchronizatio...

Страница 200: ...input The following table provides an overview of the functions in error free operation In case of an error the ERZ2000 NG uses the undisturbed signal or with 3 input signals it automatically switches...

Страница 201: ...time An alarm is generat ed if Qm is still below the alarm limit and above the lower leak volume limit after the start up shut down time is exceeded The outgoing alarm is defined by violation of the u...

Страница 202: ...ted the other channel Whether the alarm output of third party volume transmitters is activated can be de fined in GB37 The corresponding contact input for an alarm must be selected in GB38 The same ap...

Страница 203: ...mitter mode 6 1 3 GC kv factor Figure 130 Menu GC kv factor The conversion factors of the frequency of the flow rate measuring devices in the volume flow are specified in menu GC kv factor Note The ac...

Страница 204: ...ve or below the lowest support point Flow meters with integrated electronics in which a first correction has already been made must and should not be corrected further Whether calculation should take...

Страница 205: ...number dependency is also taken into considera tion Straatsma is a seldom used special form Note If DsfG F instance COM6 7 is selected under the table cv constant is adopted for the kv mode Coordinat...

Страница 206: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 196 6 1 5 GE Error curve linearisation forward flow Figure 132 Menu GE Forward operation characteristic curve correction...

Страница 207: ...ameter is set to with correction Figure 133 Charac teristic correction shows how a correction takes place for the values provided in Ta ble 5 Support point correction Note the values match the values...

Страница 208: ...ynomial relative to the flow rate The correction takes place with a 4th degree polynomial which represents the error curve of the gas meter depending on the flow rate The error equation is Where F err...

Страница 209: ...rection with Straatsma polynomial This correction functions in a similar manner to the process with flow rate related pol ynomial However the Straatsma polynomial correction also includes QVb max of t...

Страница 210: ...NG 6 1 7 GH Start up and shut down monitoring Figure 135 Menu GH Start up and shut down monitoring The current status is shown in GH01 Separate adjustable times for the monitoring of lower flow limit...

Страница 211: ...ious av erage values are also displayed Menus HC Mass flow HD Volumetric flow rate at base conditions HE Uncor rected volumetric flow rate at measurement conditions and HF Corrected volu metric flow r...

Страница 212: ...re 137 Menu OO Extra counter 1 Free inputs up to 8 can be assigned with signals in a similar manner to the custody transfer relevant measuring inputs These must be treated analogously to all other fre...

Страница 213: ...me flowing through Figure 138 Turbine meter sectional drawing The rotational movement of the turbine wheel is transferred after reduction to the me ter head in which the frequency is normally scanned...

Страница 214: ...ard and back ward operation o Filling and emptying of a gas accumulator o With changeover of lines of different pressures e g changeover of a line with low pressure to a line with higher pres sure tem...

Страница 215: ...espective billing mode is assigned directly It is possible to assign different billing modes via the contacts and different selection points x 1 ctc 2 BM Ctc 1 open Billing mode 1 Ctc 1 closed Billing...

Страница 216: ...nts can be assigned to a measurement here As an example the temperature is selected here This selection takes place in coordinate EC05 As signment by activating edit In the process the thresholds shou...

Страница 217: ...le to switch from billing mode 1 for full analysis to billing mode 2 for calorific value determination x Modbus A changeover to one of the 4 billing modes can also take place via Modbus Coordi nate IJ...

Страница 218: ...automatic entry of the type plate data is made in LN10 Manufacturer to LN15 Vo tot unit as long as the transmitter provides this data in the frame of the telegram defined for this purpose The behavior...

Страница 219: ...easuring path back sensor TD1 to transducer TD2 faster than vice versa This is caused physically by the frequency pulling with the flow of the gas the arrow above the indicates the flow direction Figu...

Страница 220: ...e measurement An analog value arises for measuring paths other than the mean path In order to consider the flow profile particularly an asymmetrical or heavily swirling flow a total of 6 paths are mea...

Страница 221: ...w conditions could impair the measuring accuracy Turbulence Based on the prevalent flow particularly the turbulence characteristic scattering oc curs variance in determining the individual path speeds...

Страница 222: ...ove 1 25 the measuring conditions must be checked Meter performance This value MP indicates whether the speeds of all measuring paths could be deter mined and incorporated into the flow rate calculati...

Страница 223: ...n expansion of the meter housing and thus a change to the inside diameter can be considered as a function of the temperature and pressure Normally these values are so small that they have no practical...

Страница 224: ...umes a small part of the signal evaluation and further processing The ERZ2000 NG assumes the majority of these tasks The sensor signals of the IGM measuring heads are connected via a Modbus con nectio...

Страница 225: ...ng of the individual fields for the IGM is provided in the separate documentation ERZ_2000_USC_Details 6 3 3 UB USZ Reynolds correction Figure 145 Menu UB USZ Reynolds correction Even a fully develope...

Страница 226: ...u UC Base correction This correction is if necessary implemented by new ultrasonic flow rate meters and does not have to be used again here It can be used with the IGM refer to chap ter 6 3 2 UA Ultra...

Страница 227: ...GM refer to chap ter 6 3 2 UA Ultrasonic volume transmitter 6 3 6 UE Effects of correct Figure 148 Menu UE Effects of corrections This menu shows the effects of the prior corrections Since these corre...

Страница 228: ...play IGM 1 These functions provide detailed information about the IGM ultrasonic transmitter its sensors and their behavior An exact description of the meaning of the individual fields is provided in...

Страница 229: ...details of the display and parameterization for measuring path 1 of an IGM Ultrasonic meter therefore refer to chapter 6 3 2 UA Ultrasonic volume transmitter The following menus have the same layout...

Страница 230: ...sonic meter therefore refer to chapter 6 3 2 UA Ultrasonic volume transmitter 6 3 10 VB Speed of sound Figure 152 Menu VB Speed of sound In addition to the flow speed the velocity of sound along the m...

Страница 231: ...pecifications can be calculated from the various path speeds and displayed in this menu for an IGM ultrasonic meter Refer also to chapter 6 3 2 UA Ultrasonic volume transmitter 6 3 12 VD Volume flow F...

Страница 232: ...h 222 6 3 13 VE Messages Figure 155 Menu VE Messages This menu shows error messages and status information of an IGM ultrasonic meter see chapter 6 3 2 UA Ultrasonic volume transmitter 6 3 14 VF Signa...

Страница 233: ...c meter see chapter 6 3 2 UA Ultrasonic volume transmitter 6 3 15 VG Signal to noise ratio Figure 157 Menu VG Signal to noise ratio This menu shows the signal quality in the run time determination the...

Страница 234: ...l Figure 158 Menu VH Automatic gain control This menu shows the automatic gain control AGC that is applied to the measure ment paths up and downstream see chapter 6 3 2 UA Ultrasonic volume transmitte...

Страница 235: ...l speeds and that of the means value of an IGM ultrasonic meter see chapter 6 3 2 UA Ultrasonic volume transmitter 6 3 18 LO Digital totalizer transmission Figure 160 Menu Digital totalizer transmissi...

Страница 236: ...4 1 Explanation of the term Instance F Ultrasonic meters normally do not have dedicated DSfG bus access Therefore In stance F was implemented externally via a DSfG compatible flow rate computer The d...

Страница 237: ...ace of the USM to COM 6 6 4 4 USM GT400 connection area There are three serial interfaces available for Modbus communication on the USM GT400 ultrasonic meter and USZ 08 The RS 485 2 with terminal 21...

Страница 238: ...umpers for the RS 485 on the optional board required for this purpose must be adjusted as shown in Figure 164 Option board configuration for use as COM6 and 7 Switch 2 and switch 3 when counted from t...

Страница 239: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 229 Figure 164 Option board configuration for use as COM6 and 7 Figure 165 Slot of the option board for COM6 and 7...

Страница 240: ...the ERZ2000 NG at the bottom Figure 166 Jumpers for COM6 and COM7 on the rear wall The jumpers for COM6 and COM7 must be set according to the equipment of inter face module C34 see Figure 167 Interfa...

Страница 241: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 231 Figure 167 Interface module C34...

Страница 242: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 232 The magnification of the right upper image cutout shows how to set the jumpers Figure 168 Jumper COM6 7 on the rear wall...

Страница 243: ...er this in menu GB Flow rate parameters the additional necessary settings are recommended in this menu bright yellow green background x GB16 Volume transmitter mode DZU x GB51 Device type USM GT400 x...

Страница 244: ...ype DSfG F Instance 1 must be defined by pushing a button in menu VJ Register expressions Then the appropriate registers for Modbus communication are recommended Figure 170 DSfG selection F Instance i...

Страница 245: ...ters 6 4 8 COM6 interface configuration The COM6 serial interface must be operated with parameters 38400 Baud 8 bits parity None and 1 stop bit as well as the operating mode of universal Modbus master...

Страница 246: ...9 Configuration VK Modbus according to Instance F For communication via DSfG Instance F VK Modbus master USM must be parame terized in accordance with DSFG Instance F specifications as shown in Figure...

Страница 247: ...in column VK are required due to the non parameterizable byte sequence for the data types long and float The button RMG USM GT400 USZ 08 see Figure 170 DSfG selection F In stance in VJ98 can be used f...

Страница 248: ...G is configured in accordance with DSfG Instance F specifications as described in chapter 6 4 9 Configuration VK Modbus according to Instance F the USM GT400 must be connected to the RS 485 2 interfac...

Страница 249: ...Z2000 NG where the byte sequence 2143 must also be selected in VK56 and VK57 If for this purpose the button RMG USM GT400 USZ 08 is used in the ERZ2000 NG see chapter 6 4 10 Configuration menu VK for...

Страница 250: ...ong Gas volume undisturbed FR1 Vb_r1 m3 32780 long Gas volume undisturbed FR2 Vb_r2 m3 32782 long Gas volume disturbed FR1 Vb_st r_r1 m3 32784 long Gas volume disturbed FR2 Vb_st r_r2 m3 32786 long Si...

Страница 251: ...dB 32924 float Automatic amplification BA dB 32926 float reserved always 0 Path dependent values of path 3 current values 32928 float Path speed m s 32930 float Speed of sound m s 32932 float Signal...

Страница 252: ...90 float reserved always 0 Path dependent values of path 7 current values 32992 float Path speed m s 32994 float Speed of sound m s 32996 float Signal acceptance 32998 float Signal to noise ratio AB d...

Страница 253: ...plemented in both the ERZ2000 NG in menu VJ Regis ter expressions and in the USM GT400 in menu BA Figure 178 Menu BA Instance F in the USM GT400 Instance F measurements and register addresses in the U...

Страница 254: ...h Figure 179 Modbus register list in the ERZ2000 NG with closed left and opened right calibration switch For detailed information including hourly mean values and deviations of individual values from...

Страница 255: ...he ERZ2000 NG can be coupled to an external computer via Modbus exclusively for internal purposes The internal PC user interface RMGViewERZ visualizes the device data and enables remote parameterizati...

Страница 256: ...tody transfer applications Details are defined in the standard ISO 5167 1 2 2003 previously DIN 1952 as well as in DVI 2041 for special appli cations As a flow measuring device the narrowing as an ori...

Страница 257: ...ng segment is suitable for official custo dy transfer calibrations but does not have to be calibrated If the design conforms to ISO 5167 the material values of the gas and the pressure differential of...

Страница 258: ...GA08 The temperature correction of the orifice plate diameter and the inside pipe diameter takes place in accordance with VDI VDE 2040 sheet 2 chapter 10 of April 1987 There are two calculation method...

Страница 259: ...Nickel 14 08 0 0028 Hastelloy C 10 87 0 0033 Table 7 Temperature correction for orifice plate and pipe Off The corresponding temperature correction is switched off Linear The correction factor GA03 T...

Страница 260: ...8 586 for the flow rate and quantity measurement of fluids and gases with normal throttle devices 8 586 1 Part 1 Principle of the measuring process and general requirements 8 586 2 Part 2 Technical r...

Страница 261: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 251 6 5 2 AP diff pressure Figure 184 Menu AP differential pressure...

Страница 262: ...ode is adjusted in coordinate AP10 The following is available Off Transmitter switched off Analog 1 range Analog measurement with 1 cell 4 20 mA Analog 2 range Analog measurement with 2 cells 4 20 mA...

Страница 263: ...ing value Qbmax is displayed in AP02 The measurements and parameters for cells 1 2 and 3 are shown in Table 8 Meas urements and parameters for cells 1 2 and 3 below Cell 1 Cell 2 Cell 3 Meaning AP15 A...

Страница 264: ...must be set to effective pressure attention access reserved for super us ers only Example Current input 4 should measure the small cell Chapter ND Current input 4 terminal X6 1 X6 2 Coordinate ND09 in...

Страница 265: ...toring next to the slider run time in coordinate GH07 Source the source is selected which notifies the ERZ2000 NG when flow is zero The menu offers Off no function Contact input 1 to 8 one of the 8 co...

Страница 266: ...5 Menu GV Orifice Corner flange or D D 2 can be selected for coordinate GV10 tapping In GV11 method of calc all various data is based on ISO5167 the last is from the 2003 The serial number of the orif...

Страница 267: ...orresponding minimum values Figure 187 Menu GX Pipe roughness GX Roughness of tube influences the velocity profile and thus the flow rate depend ing on delta p If this correction is activated GX04 a c...

Страница 268: ...rasion of orifice edge takes place according to the requirements of GOST 8 586 for the flow rate and quantity meas urement of fluids and gases with normal throttle devices as described in chapter 6 5...

Страница 269: ...s and derived values Normally gas models are required for the calculation of derived values which are also briefly described 7 1 Direct gas parameters Ultimately the energy content of the gas is essen...

Страница 270: ...value Table value Estimated analysis Estimated analysis Estimated analysis Modbus Modbus Modbus Modbus Random Random Random Random EGO Modbus EGO Modbus RMG bus 24K RMG bus 24K Univ Modb Master Univ M...

Страница 271: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 261 7 1 2 BB Carbon dioxide Figure 191 Menu BB Carbon dioxide...

Страница 272: ...tched off in addition to off the current inputs 1 12 frequency inputs 1 8 and the input possibility via HART are also available with current inputs 1 12 There is a drag pointer function for all measur...

Страница 273: ...pentane BM hexane BN heptane BO octane BP nonane BQ decane BR hydrogen sul phide BS water BT helium BU oxygen BV carbon monoxide BW ethene BX propene BY argon which are or may be present in a smaller...

Страница 274: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 264 7 2 1 AD Superior calorific value Figure 193 Menu AD Superior calorific value...

Страница 275: ...Modb master If for example a different operating mode is selected e g the reference to a current input which is assigned under AD19 a jump to there can take place directly via the link i e the link N...

Страница 276: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 266 7 2 2 AE Standard density Figure 195 Menu AE Standard density...

Страница 277: ...ntity weighted mean values are formed for superior calorific value standard den sity and density The average values arise from the division of hourly quantities or daily quantities superior calorific...

Страница 278: ...the density of the gas under measrement conditions i e under the prevailing pressure and the prevailing temperature Due to the identical structure of the preceding menus no further representations an...

Страница 279: ...tions are provided here 7 2 10 AM Viscosity The viscosity describes the resistance of the gas to flow Due to the identical struc ture of the preceding menus no further representations and explanations...

Страница 280: ...mp and decreases as pressure decreases With natural gas the Joule Thomson coefficient has the same algebraic sign the temperature decreases as pressure decreases In order to prevent adverse effects of...

Страница 281: ...s specifies various gas models that can be used in the ERZ2000 NG There are brief explanations of when the various models are and should be used These models are provided to enable calculation of the...

Страница 282: ...GA 8 92DC x Value of the K coefficient x Value of the status coefficient x Value of the Z coefficient x Volume shares of various gas components Further details for these parameters can also be opened...

Страница 283: ...essibility coefficient K coefficient used for determination of the official custo dy transfer results takes place in CC05 Calc methode There are several options available to choose from here x K const...

Страница 284: ...ogen H2 and the share of nitrogen N2 of the gas composition are known GERG 88 S set C should be applied In the American sphere this corre sponds to AGA 8 Gross Method 2 Note Strictly speaking GERG 88...

Страница 285: ...determination the method of the K coefficient calculation switch es automatically from AGA 8 92 DC to GERG 88 S If necessary another billing mode route can also be selected for this case for the sett...

Страница 286: ...0 0 10 mol CO 0 3 0 3 0 3 mol O2 0 0 02 0 0 02 0 0 02 mol I butane 0 1 5 0 1 5 0 1 5 mol N butane 0 1 5 0 1 5 0 1 5 mol I pentane 0 0 5 0 0 5 0 0 5 mol n pentane 0 0 5 0 0 5 0 0 5 mol Hexane 0 0 1 0 0...

Страница 287: ...valuation of the status equation not selected in each case The value can also be used for con trol of the billing mode see EC04 CC12 Propane criterion tests the third rule DVGW G486 1 3 rule with resp...

Страница 288: ...it value breach If the limit value settings are exceeded limit value mode further calculation calculating with LV takes place with the real values this is prescribed for official custody transfer appl...

Страница 289: ...C P of 0 to 120 bar dv of 0 55 to 0 9 Hs of 20 to 48 MJ m CO2 of 0 to 30 Mol H2 of 0 to 10 Mol very wide corresponding to RMG internal definition T of 15 to 70 C P of 0 to 150 bar dv of 0 38 to 1 16 H...

Страница 290: ...fficient according to AGANX19 is also possible for nitrogen rich natural gas with N2 content of up to 70 mol Then CE08 is set to yes The representations and explanations of menus CF AGA NX 19 equation...

Страница 291: ...vant for normal users CH14 CH15 and CH16 specify the volume shares of corresponding gas components which are not normally determined by the GC calculated according to defined distribution rules the re...

Страница 292: ...ses parameter The empirical parameters and experimentally determined constants for the Beattie Bridgeman model are entered in this menu The illustrations and explanations of menus CL AGA8 Gross method...

Страница 293: ...takes place based on coordinates CN0 to CN06 When no is the setting no distribution takes place The volume shares are displayed in CN17 to CN37 for control purposes distributed according to the distri...

Страница 294: ...rd ISO 6976 If applicable the data of the gas analysis is required for an additional gas model e g for gas transfer station at the border It may then be the case that the PGC specifies other base cond...

Страница 295: ...for the orifice measurement In recent years the number of flow meters for natural gas using an ultrasonic transit time difference method for medium and high pressures with medium and larger nom inal...

Страница 296: ...le ISO20765 1 2005 GOST 8 662 2009 or AGA 10 7 4 3 DC Transport phenomena Figure 208 Menu DC Transport phenomena In the process the kinematic viscosity arises from the dynamic viscosity with simple di...

Страница 297: ...made to calculate the shares of the individual components from the total molecular mass Basically this is possible for one or very few gas components particularly when the shares of part of the other...

Страница 298: ...plete combustion In the process the quantity of the greenhouse gas CO2 produced is of interest Methane air oxygen water carbon dioxide energy CH4 2 O2 2 H2O CO2 802 4 kJ mol 1 The calculated share of...

Страница 299: ...n the combustion process noble gases The ratio of the actually supplied to theoretically required air quantity for complete combustion is indi cate din DJ11 DJ13 to DJ15 are data with which the share...

Страница 300: ...ents of the ex haust gas which can arise during the combustion Note In parallel to the calculation of the exhaust gas values an expansion with the 4 billing modes 4 totalizer sets was implemented Ther...

Страница 301: ...ity of sound also abbreviated her as cn c velocity of sound under n base conditions must be en tered in coordinate DG08 cn calib gas It is compared with the correct velocity of sound in DG12 VOS for c...

Страница 302: ...ed on a few gas values summarized as gross data from which a method according to AGA8 of 1985 enables simple determination of a gas analysis The determination can be erroneous which means the same gas...

Страница 303: ...essure and temperature reference values to be entered in DI11 and DI12 correct conversion to the various base values can take place The variables of flow rate Qb density at base condition and ratio of...

Страница 304: ...sure and temperature values In the United States conversions to the units psi and F apply in this case care should be tak en to consider that the pressure and temperature values generally deviate from...

Страница 305: ...volume meter set is required for a second different base condition This must be activated in coordinate EB22 with yes This applies for billing modes BM 1 2 3 and 4 the main and disturbance to talizer...

Страница 306: ...ue The calibration of direct measuring density and calorific values meters can be con trolled via this menu This function corresponds to the old FE 06 or the switch set for online calibration calorifi...

Страница 307: ...operating mode to BA04 operating mode other components see chapter 7 1 1 BA Compo nents mode The data of the gas components is currently still transmitted via analog technology in exceptional cases on...

Страница 308: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 298 7 6 1 IG Imported gas quality via DSfG Figure 222 Menu IG Imported gas quality via DSfG...

Страница 309: ...quality values The GERG compatible query is only used if the gas composition measurement does not support the AGA8 compatible query old devices or the measuring principle of the gas composition measu...

Страница 310: ...terize how long it should be ignored in each case for each gas composition measuring device For VNG applications in particular coordinate IG51 VGN mode is used to adjust that PGC alarms in the compute...

Страница 311: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 301 7 6 2 IJ Imp GC Modbus main Figure 223 Menu IJ Import GC Modbus main measurement...

Страница 312: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 302 7 6 3 IK Imp GC Modbus ref Figure 224 Menu IK Import GC Modbus reference measurement...

Страница 313: ...ement and IK Import GC Modbus reference measurement treat a special case of the data import via Modbus Modbus IP which for example was implemented in the gas transfer station In the process gas compos...

Страница 314: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 304 7 6 4 IL Modbus Master GC1 Figure 225 Menu IL Modbus Master GC1...

Страница 315: ...described below Unit conversion A value coming from the PGC can be converted using a conversion factor For instance to convert the calorific value with the unit kWh m to MJ m F7020 3 6 must be entere...

Страница 316: ...sulphide water carbon monoxide ethene and propene Therefore they are zeroed as follows E 19 Hydrogen sulphide mol E 20 Water mol E 23 Carbon monoxide mol E 24 Ethene mol E 25 Propene mol Information r...

Страница 317: ...the gas Manual ERZ 2000 NG EN07 2019 May 13th 307 7 6 5 IM Modbus Master GC2 Figure 226 Menu IM Modbus Master GC2 Menu IM Modbus Master GC2 has the same layout as menu IL Modbus Master GC 1 without l...

Страница 318: ...7 Parameter of the gas Manual ERZ 2000 NG EN07 2019 May 13th 308 7 6 6 IH Imported gas quality via RMG bus Figure 227 Menu IH Imported gas quality via RMG bus...

Страница 319: ...lso be forwarded to other computers via a COM interface with the operating mode RMG Bus output Note With display of the gas composition data slight deviations from the original values of the PGC can a...

Страница 320: ...s activity In order to check the bus activity the values of the PGC are compared with those in the menu IH Imported gas composition via RMG bus see Figure 227 Menu IH The imported gas composition valu...

Страница 321: ...control B 45 RMG bus monitoring s Pull out the bus plug for the test 60 seconds after the last received RMG bus tele gram the notice comes no warning no alarm H64 0 RMG bus missing Connection to RMG...

Страница 322: ...ificantly more analysis data than for example the older GC 9000 In order to import up to 24 gas compo nents in the ERZ2000 NG via RMG bus the appropriate operating mode must be parameterized on COM 4...

Страница 323: ...tageously with GERG 88 x Standard density calorific value hydrogen and carbon monoxide can be described via Modbus In order to ensure that the values are used for conversion the operating mode of the...

Страница 324: ...6 Energy disturb ance totalizer 7132 MWh 00 00 1B DC 2012 4 float IEEE 754 R IP 7 Vb flow rate 6779 92 m3 h 45 D3 DF 5A 2014 4 float IEEE 754 R IP 8 Vm flow rate 151 027 m3 h 43 17 06 FA 2016 4 float...

Страница 325: ...es Figure 230 Menu LS Hourly quantities Menus LQ Monthly quantities LS Hourly quantities LT Daily quantities and LU quantity weighted average values are strictly display menus The quantities of the la...

Страница 326: ...ainder 345000 m3 1422 4 float IEEE 754 R LS 13 Hourly quantities hours Vn remainder 842821 m3 1424 4 float IEEE 754 R LS 14 Hourly quantities hours E remainder 378114 MWh 1426 4 float IEEE 754 R LS 15...

Страница 327: ...ses 4 sub chapters Additional explanatory information is also provided here along with additional documents that can be opened by double clicking on the underlined links 8 2 1 Check numbers Figure 231...

Страница 328: ...inates Manual ERZ 2000 NG EN07 2019 May 13th 318 8 2 2 Matrix Figure 233 Menu Documentation Matrix An assignment of variables to the menus and the corresponding lines of the coordi nate system is show...

Страница 329: ...3 Document creation Figure 234 Menu Documentation Document creation All menus columns including the content are listed again here Automatic adoption of this data to the documentation took place earlie...

Страница 330: ...ew Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 320 8 2 4 Documentation Figure 235 Menu Documentation Documentation Documents that offer additional explanations for the specified points beyond th...

Страница 331: ...anual ERZ 2000 NG EN07 2019 May 13th 321 8 3 Parameterization This menu has 4 submenus 8 3 1 Parameterizing data Figure 236 Menu Parameterization Parameterizing data A list of the relevant parameteriz...

Страница 332: ...erview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 322 8 3 2 Calibration data Figure 237 Menu Parameterization Calibration data The custody transfer parameters from all parameters are displayed...

Страница 333: ...Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 323 8 3 3 Changes Figure 238 Menu Parameterization Calibration data This menu lists all parameter changes that have been made listed by time...

Страница 334: ...rdinates Manual ERZ 2000 NG EN07 2019 May 13th 324 8 3 4 Saving and loading Figure 239 Menu Parameterization Saving and loading This menu is provided for saving reading and adjusting the settings of t...

Страница 335: ...lp chapter has only one submenu 8 4 1 Support for inputting components Figure 240 Menu Parameterization help Support for inputting components Gas compositions can be enter here in 4 different tables T...

Страница 336: ...llaneous 8 5 1 Fault display Figure 241 Menu Miscellaneous Fault display Pending faults with fault numbers are listed in this menu Acknowledgment corre sponding to that of the touch screen is possible...

Страница 337: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 327 8 5 3 Interface variables Figure 243 Menu Miscellaneous Interface variables...

Страница 338: ...ct to custody transfer requirements Example IH RMG bus ERZ2000 NG is connected to Stream 1 If the measurements of Stream 2 3 4 or the sample gas are on IH46 current stream IH77 24K tg C3H6 the data is...

Страница 339: ...dy explained in the introduction dark yellow subject to official custody transfer requirements and light yellow means not subject to official custody transfer requirement Whether individual parts or t...

Страница 340: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 330 8 5 6 TSV export...

Страница 341: ...Figure 246 Menu Miscellaneous TSV export All saved archive groups are listed here They can be opened or saved by double clicking on the indenture numbers The complete groups no longer change and can b...

Страница 342: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 332 8 5 7 Exceptions Figure 247 Menu Miscellaneous Exceptions Data that is used internally...

Страница 343: ...ssages shows all pending active messages in 2 second intervals JA02 Accumulated msgs shows all messages since the last ac knowledgment JA06 defines whether computer errors are displayed as alarms or w...

Страница 344: ...flux control all faults are investigated according to logical associations and displayed as collective alarms in register 474 and 9118 in a spe cial bit Bit 0 Delta P alarms Bit 1 Gas composition alar...

Страница 345: ...9 Faults Manual ERZ 2000 NG EN07 2019 May 13th 335 9 1 2 JB Message register Figure 249 Menu JB Message register...

Страница 346: ...y If coordinate JB51 is set to active the error bits transmitted via Modbus remain at 1 for as long as the fault is pending this corresponds to the blinking of the LED on the front panel of the ERZ200...

Страница 347: ...9 Faults Manual ERZ 2000 NG EN07 2019 May 13th 337 9 1 4 JD Debugging Figure 251 Menu JD Debugging...

Страница 348: ...ication specific message with the content of coordinate ON04 Message 1 text e g Special message test independently of the contact status In the process it must be defined for each message whether the...

Страница 349: ...ter temperature exceeds upper warning limit 2 Yes Yes 20 H 02 9 TD param error Inconsistent parameterization density transmitter temperature 1 No No 21 A 03 0 Pa loss Loss of absolute pressure 2 Yes N...

Страница 350: ...o 62 A 08 0 VSM loss Loss of VSM 2 Yes No 63 A 08 1 VSM l alarm lim VSM below lower alarm limit 2 Yes Yes 64 A 08 2 VSM up alarm lim VSM exceeds upper alarm limit 2 Yes Yes 65 A 08 3 VSM jump VSM grad...

Страница 351: ...ling mode 4 Billing mode 4 1 No No 116 M 33 5 DSfG freeze archive entry because attention f freeze on DSfG 1 No No 117 A 39 8 flow signal loss Loss of flow proportional signal 2 No No 118 H 40 1 old t...

Страница 352: ...GERG lim Temperature exceeds GERG limits 2 Yes Yes 161 A 50 1 P GERG lim Pressure exceeds GERG limits 2 Yes Yes 162 A 50 2 rd GERG lim Relative density exceeds GERG limits 2 Yes Yes 163 A 50 3 CO2 GER...

Страница 353: ...210 A R 56 7 Power OFF Supply voltage failure 1 No No 211 A R 56 8 Chan 3 fault Pulse counting channel 3 implausible 1 No No 212 A R 56 9 Chan 4 fault Pulse counting channel 4 implausible 1 No No 213...

Страница 354: ...s 260 W 63 8 Ar l warn lim Argon below lower warning limit 2 Yes Yes 261 W 63 9 Ar up warn lim Argon exceeds upper warning limit 2 Yes Yes 262 H 64 0 RMGB missing connection lost RMG Bus 2 No No 263 H...

Страница 355: ...2 No No 308 W 70 0 Pulse 1 max Pulse output 1 overflow 2 Yes No 309 W 70 1 Pulse 2 max Pulse output 2 overflow 2 Yes No 310 W 70 2 Pulse 3 max Pulse output 3 overflow 2 Yes No 311 W 70 3 Pulse 4 max P...

Страница 356: ...eter ratio orifice pipe 2 No No 360 A 77 4 DP1 failure delta P cell 1 failure 2 No No 361 A 77 5 DP2 failure delta P cell 2 failure 2 No No 362 A 77 6 DP3 failure delta P cell 3 failure 2 No No 363 A...

Страница 357: ...m Path 6 communication quality less as demanded 2 No Yes 410 W 82 5 Path 7 comm Path 7 communication quality less as demanded 2 No Yes 411 W 82 6 Path 8 comm Path 8 communication quality less as deman...

Страница 358: ...Thomson coefficient below lower warning limit 2 Yes Yes 460 W 89 4 JTC up warn lim Joule Thomson coefficient exceeds upper warning limit 2 Yes Yes 461 H 89 5 JTC param error Inconsistent parameterizat...

Страница 359: ...roblem Mathematical error 1 Yes No 511 A 95 1 Corrupt code corrupt code detected 1 No No 512 A 95 2 Alarm volume hard wired contact of volume transmitter shows alarm 2 No No 513 W 95 3 Warning volume...

Страница 360: ...Yes Yes 555 H 59 4 DP2 Corr denied Zero point correction for DP2 not accepted 1 No No 556 H 59 5 DP3 Corr denied Zero point correction for DP3 not accepted 1 No No 557 W 88 2 Signature error Problems...

Страница 361: ...he base circuit board must be configured with Strips X23 X45 in Figure 253 ERZ2000 NG printed circuit board left rear in the device be tween module slot 1 and 2 Figure 253 ERZ2000 NG printed circuit b...

Страница 362: ...ERZ 2000 NG EN07 2019 May 13th 352 x PT100 connection PT100 1 X5 7 8 9 10 PT100 2 X6 7 8 9 10 x Measurement parameterization EI Configuration S 1 No resist meas ch rNumber 2 PT100 1 PT100 1 and 2 X 47...

Страница 363: ...ction activated by menu To be used for tests with series connection Totalizers run and are identified in the archive Output pulses are stopped Revision via contact Standard function activated by exter...

Страница 364: ...via the corresponding contact inputs and are active when a control evaluation is parameterized unequal to zero and pulses arrive at the input NT Contact input 1 X7 1 2 OO Extra counter 1 OO01 Input p...

Страница 365: ...supplied via the corresponding contact inputs and are active when a control evaluation is parameterized unequal to zero and pulses arrive at the input NL Frequency input 1 X8 7 8 Control counter 1 NL...

Страница 366: ...nctions A 5 1 FA Control panel Figure 254 Menu FA Testing the control panel of the ERZ2000 NG FA 01 Calibration lock Signals the status of the calibration switch on the front panel 0 closed 1 open FA0...

Страница 367: ...FB On the fly calibration Figure 255 Menu FB On the fly calibration The menu displays the values triggered in chapter 2 5 5 2 On the fly calibration A 5 3 FC Freeze Figure 256 Menu FC Freeze The menu...

Страница 368: ...ons Similar to the DSfG revision there are 4 time points that define the beginning the interval and the end of a data recording If the first time point is reached the flow computer starts the data rec...

Страница 369: ...ance at the click of a mouse before uploading by pressing the Register button on the ERZ2000 NG The time of the connected PC us used as a basis for the prepara tion after run and testing time In order...

Страница 370: ...ate FG01 Active yes is selected during a hardware test or a simulation The display test is initiated with coordinates FG05 and FG06 not shown here Coordinates FG02 Alarm contact to FG09 Warning LED sh...

Страница 371: ...enu FG Hardware test is set to not active FG01 to no the current statuses of the display LEDs and signal inputs and outputs are displayed by scrolling If the menu is set to active FG01 to yes the disp...

Страница 372: ...NG EN07 2019 May 13th 362 x Memory free Indicates how much memory capacity is still free A 5 8 FK Boole function Figure 261 Menu FK Boole function The values of the parameters of the truth functions a...

Страница 373: ...erted at the bottom left behind the front panel con tains files in the subdirectory Bin for the Flow Computer BIOS and the application e g Bin ERZ2000NG exe application Bin F2_007 mot Flow Computer BI...

Страница 374: ...5 3 Type plate or using the web browser B 3 Updating software The update takes place by copying the new software to the SD card in the device Caution x Use software prepared for the RMG server only x...

Страница 375: ...x Backing of the entire SD card is highly recommended so that it is possible to reactivate the old software This can be necessary for instance if an error oc curs during the subsequent steps x Insert...

Страница 376: ...removal of the front panel x Switch on the ERZ2000 NG Enter activation key Enter the activation key for the new software which is provided under coordinate EJ10 Enable The activation key and the targ...

Страница 377: ...CAN bus required for flashing have been opened must appear CAN opened successfully COM3 opened successfully Start the bootloader x Click on the menu item Flash Reset BIOS Monitor FlashloadCe x A mess...

Страница 378: ...ed a message that the flash memory was deleted appears Flash memory is blank Program the flash memory x Click on the menu item Flash Program Monitor the output window x The following message appears P...

Страница 379: ...s restarted B 5 Activation after software update There is an activation key for each software package which must be entered after a software update of the ERZ2000 NG The device calculates a checksum i...

Страница 380: ...o archives Note In order to display mean values for pressure temperature etc in the ar chives or archive groups a setting not equal to off must be selected for the relevant measurement operating mode...

Страница 381: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 371 C 1 1 OA DSfG archive Figure 262 Menu OA DSfG archive Various DSfG parameters are displayed in menu OA DSfG archive strictly for di agnostic purposes...

Страница 382: ...ble This function coordinate is required for the handling of OU Free programmable ar chive If an archive channel should not be used it is assigned to OC01 Not avail able Then the channel appears in th...

Страница 383: ...ppendix Manual ERZ 2000 NG EN07 2019 May 13th 373 Various DSfG parameters are displayed in menu OD Input values strictly for di agnostic purposes C 1 4 OE Miscellaneous Figure 265 Menu OE Miscellaneou...

Страница 384: ...y programmable archive In order for the freely programmable archive to be detected when loading file as archive group 15 an assignment not equal to off must be selected in coordinate UO01 Record cycle...

Страница 385: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 375 C 1 6 OV Dialogs Figure 267 Menu OV Dialogs Various archive views are displayed in menu OV Dialog texts for diagnostic pur poses...

Страница 386: ...dix Manual ERZ 2000 NG EN07 2019 May 13th 376 C 1 7 OW Text for Browser Figure 268 Menu OW Text for Browser Various browser views are displayed in menu OW Text for Browser strictly for diagnostic purp...

Страница 387: ...ual ERZ 2000 NG EN07 2019 May 13th 377 C 1 8 OY special values DSfG Figure 269 Menu OY OY special values DSfG Various DSfG parameters are displayed in menu OY special values DSfG strictly for diagnost...

Страница 388: ...G archive part 2 strictly for diagnostic purposes C 1 10 Archive groups There are 24 different archive groups in which the specified values including time stamp date and time and ordinal numbers are s...

Страница 389: ...1 plus measurements QB Archive group 2 Disturbance totalizer for AM 1 QC Archive group 3 Main totalizer for AM 2 plus measurements QD Archive group 4 Disturbance totalizer for AM 2 QE Archive group 5...

Страница 390: ...G archive Archive group 1 to 8 8192 entries then the oldest entry is overwritten Archive group 9 to 11 8192 entries then the oldest entry is overwritten Archive group 12 8192 entries then the oldest e...

Страница 391: ...rize upper alarm limit parameter to 70 bar assigned to the technical end value 20 mA 3rd step Parameterize the offset correction parameter to 0 4th step Apply a pressure signal and or test current inp...

Страница 392: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 382 E Various circuit diagrams for inputs Input pressure measuring transducer Passive current input transmitter Active current input e g 4 20mA...

Страница 393: ...t PT 100 Active passive reserve inputs e g delta p transmitter Density measuring transducer input type DG 08 ERZ 2000 NG Frequency DG 08 PT 100 DG 08 Freely assignable to connectors X8 and X9 Subrack...

Страница 394: ...ansducer for velocity of sound input type VOS 07 ERZ 2000 NG Frequency NDG 08 measuring transducer Frequency NDG 08 reference transducer Signal Signal GND GND Freely assignable to connectors X 8 and X...

Страница 395: ...pendix Manual ERZ 2000 NG EN07 2019 May 13th 385 Standard density calorific value correction input ERZ 2000 NG Set of switches Freely assignable to connectors X7 and X8 Rhon M H Rhon corr Hs M H Hs co...

Страница 396: ...nual ERZ 2000 NG EN07 2019 May 13th 386 Volume measurement input Vortex gas meter ERZ 2000 NG Connecting box WBZ 08 Connector X8 Connector WA1 Connector W1 7 8 PE 1 2 2 1 2 1 f 3 9 10 9 8 5 4 8 7 f 9...

Страница 397: ...l ERZ 2000 NG Connector TRZ 03 T1 TA1 Connector X8 Connector TA1 Connector T1 7 8 PE 1 2 3 1 8 7 HF3 9 10 9 8 3 1 2 1 HF2 PE Ref HFY Meas HFX valid for 3 pin connectors for all others pin 6 ERZ 2000 N...

Страница 398: ...13th 388 Adaptation of an encoder on the ERZ2000 NG by means of switch amplifier Preferred variants Encoder wiring diagram for X4 plug on ERZ2000 NG Connection of an encoder to an ERZ2000 ERZ2000 NG v...

Страница 399: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 389 Alternatively the following two variants can be used for a PF switch amplifier Positive based wiring Ground based wiring...

Страница 400: ...9 Electronics of the USM GT400 or USZ 08 ERZ 2000 NG Connecting box Ultrasonic meter USZ 08 DB 9 connector X11 COM 1 DB 9 adapter with terminating resistor 3 5 8 20 19 18 PE A RS 485 1 B GND Jumpers f...

Страница 401: ...Figure 275 USE 09 Electronics of the USM GT400 or USZ 08 Figure 276 USE 09 Electronics of the USM GT400 or USZ 08 DIL switch for RS 485 2 Reserve interface Terminating resistance OFF DIL switch for RS...

Страница 402: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 392 Ex input NAMUR signals Connection options based on the example of the measuring input...

Страница 403: ...ion level Multiple transmitters sensors can be connected to the EX1 NAMUR 2 board 2 volume transmitters with pulse sensors similar to DIN 19234 1 electronic totalizer ENCO 1 pressure transducer 4 to 2...

Страница 404: ...rtant Commissioning The connector plug must be installed correctly in the mating plug intended for this purpose and secured mechanically Operation must take place in a completely enclosed housing Serv...

Страница 405: ...2019 May 13th 395 G Various circuit diagrams for outputs Analog output Example Analog output 1 Alarm warning Pulse outputs 1 4 internal connection similar to warning ERZ 2000 NG Connector X 3 MRG FWA...

Страница 406: ...with Uo 8 V and lk 8 mA The data transmission takes place asynchronously at a rate of 2400 bit s The level for log 1 MARK must be 2 1 mA the level for log 0 SPACE 1 2 mA Layer 2 backup layer The data...

Страница 407: ...totalizer status are only expected for the end device with status 0x30 Data frame b Type plate optional Contents Meaning b US Start character lower case b data frame identifier Type plate HHH US Manu...

Страница 408: ...talizers run and are identified in the archive output pulses stop Figure 277 Series connection revision mode The revision measurement values are in coordinate AB24 Base value and AC24 Base value Press...

Страница 409: ...imulation all totalizers stop Figure 278 Tests for simulation revision mode Tests for totalizers connected in a series Totalizers run and are identified in the archive output pulses stop Figure 279 Re...

Страница 410: ...via contact Tests for simulation Note The monitoring of limits is deactivated all hardware monitors such as cable break etc remain active and influence the base value The hold value is not influenced...

Страница 411: ...Gas und Wasser mbH Postfach 140151 53056 Bonn Germany They can be downloaded in electronic format from www dvgw de gas messtechnik und abrechnung gasmessung J 1 2 Cross comparison via DSfG Volume at...

Страница 412: ...iations are calculated as percentages With Vm and Vb the deviations are not determined by Vm and Vb themselves instead they are determined from my Vm divided by my time period and its Vm divided by it...

Страница 413: ...DSfG tandem counter comparison The coordinates are largely self explanatory Note Additional DSfG relevant points x Alarm and warning messages DSfG distinctions x Electrical connections DSfG bus DSfG p...

Страница 414: ...00000000 no alarm pending 00000000 00010000 an alarm is pending which only has an influence on the volume at base conditions 00000000 00010100 an alarm is pending which has an influence on the temper...

Страница 415: ...Vn P 24 A 03 3 Pa jump Absolute pressure gradient above upper max imum Vn P 28 A 04 0 Rn failure Nominal density failure Vn GC 29 A 04 1 Rn LL alarm Nominal density below lower alarm limit value Vn G...

Страница 416: ...libration requirement of GC data violated GC 110 A 32 7 v d Waals Alrm Van der Waals iteration error Vn GC 157 A 39 8 Qp failure Current proportional flow failure Vb Vn 164 A R 42 1 RTC defect Time ch...

Страница 417: ...3 A 77 2 DP3 I 3mA Delta P cell 3 current less than 3 mA Vb Vn dP 404 A 77 3 Beta impermissible Impermissible orifice plate pipe ratio Vn dP 405 A 77 4 DP1 failure Delta P cell 1 failure Vb Vn dP 406...

Страница 418: ...ication error GC 575 A 96 9 DR GC timeout Density ratio sensor communication error GC 576 A 97 0 CO2 GC timeout CO2 sensor communication error GC 577 A 97 1 N2 GC timeout N2 sensor communication error...

Страница 419: ...E 754 R W IP 11 EGO Modbus Calorific value 12 0 kWh m3 41 40 00 00 2022 4 float IEEE 754 R W IP 12 EGO Modbus Hydrogen 0 0 mol 00 00 00 00 2024 4 float IEEE 754 R W IP 13 EGO Modbus Carbon dioxide 1 0...

Страница 420: ...2032 0 No alarm 1 Hardware fault s of the corrector 2 Hardware fault s of pulse detection 3 Limit fault s of volume measurements 4 Hardware limit fault s of other transmitters 5 GERG limit violation...

Страница 421: ...EE 754 R AE 1 Standard densi ty Measurement variable 0 8880 kg m3 3F 63 53 F8 9012 4 unsigned inte ger 32 bit R LB 4 Totalizer AM1 Energy 126843 MWh 00 01 EF 7B 9014 4 unsigned inte ger 32 bit R LB 7...

Страница 422: ...igned inte ger 16 bit R W KC 60 Time entry Modb Sync year 2010 07 DA 9507 2 unsigned inte ger 16 bit R W KC 61 Time entry Modb Sync month 6 00 06 9508 2 unsigned inte ger 16 bit R W KC 62 Time entry M...

Страница 423: ...tors D13 D14 and D15 must be observed for the writing of Ho Rhon and CO2 J 2 4 Eon gas transport Modbus With the setting IB27 Modbus project EGT the Modbus register is assigned from 9000 upwards as re...

Страница 424: ...uperior calorific value AE Standard density See chapter 7 2 2 AE Standard density AF Relative density See chapter 7 2 4 AF Relative density AG Density See chapter 7 2 5 AG Density AH Temperature of th...

Страница 425: ...Viscosity AN Isentropic exponent See chapter 7 2 11 AN Isentropic exponent AO Joule Thomson coefficient See chapter 7 2 12 AO Joule Thomson coefficient AP differential pressure See chapter 6 5 2 AP di...

Страница 426: ...arbon dioxide BE Methane See chapter 7 1 3 BE Methane BF Ethane See chapter 7 1 3 BE Methane BG Propane See chapter 7 1 3 BE Methane BH N butane See chapter 7 1 3 BE Methane BI I butane See chapter 7...

Страница 427: ...R Hydrogen sulphide See chapter 7 1 3 BE Methane BS Water See chapter 7 1 3 BE Methane BT Helium See chapter 7 1 3 BE Methane BU Oxygen See chapter 7 1 3 BE Methane BV Carbon monoxide See chapter 7 1...

Страница 428: ...CC Calculation of K coefficient CG AGA 8 equation of state of 1985 See chapter 7 3 3 CC Calculation of K coefficient CH AGA 8 92DC equation of state See chapter 7 3 6 CH AGA 8 92DC equation CI Beattie...

Страница 429: ...ues DE Stoichiometry See chapter 7 4 5 DE Stoichiometry DF Impact on environment in case of complete combustion See chapter 7 4 6 DF Environment DG Correction of velocity of sound See chapter 7 4 9 DG...

Страница 430: ...G ID display See chapter 2 5 5 3 Type plate EH Module assembly See chapter 3 1 1 Equipment variants EI Configuration See chapter 3 1 2 Configuration of connections EJ Identification of software See ch...

Страница 431: ...cycle See chapter A 5 4 FD Corrector cycle FE Calibration unit standard density gross calorific vakue See chapter 7 5 3 FE Calibration unit standard density gross calorific value FF Function test unde...

Страница 432: ...nearisation reverse flow See chapter 6 1 5 GE Error curve linearisation forward flow GG Flow See chapter 6 1 6 GG Flow GH Start up and shut down monitoring See chapter 6 1 7 GH Start up and shut down...

Страница 433: ...flow rate See chapter 6 1 8 HB Energy flow HD Volumetric flow rate at base conditions See chapter 6 1 8 HB Energy flow HE Volumetric flow rate at measurement conditions See chapter 6 1 8 HB Energy flo...

Страница 434: ...See chapter 4 5 5 IF DSfG IG Imported gas quality via DSfG See chapter 7 6 1 IG Imported gas quality via DSfG IH Imported gas quality via RMG bus See chapter 7 6 6 IH Imported gas quality via RMG bus...

Страница 435: ...13th 425 K 10 J Fault messages JA Fault messages See chapter 9 1 1 JA Fault messages JB Message registers See chapter 9 1 2 JB Message register CJ GIA bit table See chapter 9 1 3 CJ GIA Bit table JD...

Страница 436: ...chapter 2 6 1 KA Times and time settings KB Time contact signal to external devices See chapter 2 6 2 KB Time contact signal to external devices KC External time signal See chapter 2 6 3 KC external t...

Страница 437: ...4 Counters and 2 5 1 5 Customer specific counters customer counters LF Totalizer BM 3 See chapter 2 5 1 4 Counters and 2 5 1 5 Customer specific counters customer counters LG Disturbance totalizer BM...

Страница 438: ...Hourly quantities LS Hourly quantities See chapter 8 1 1 LS Hourly quantities LT Daily quantities See chapter 8 1 1 LS Hourly quantities LU Quantity weighted average values See chapter 7 2 3 LU Quanti...

Страница 439: ...se output 1 See chapter 3 1 18 MF Pulse output 1 MG Pulse output 2 See chapter 3 1 18 MF Pulse output 1 MH Pulse output 3 See chapter 3 1 18 MF Pulse output 1 MI Pulse output 4 See chapter 3 1 18 MF P...

Страница 440: ...ERZ 2000 NG EN07 2019 May 13th 430 MP Contact output 7 See chapter 3 1 19 MJ Contact output 1 MQ Contact output 8 See chapter 3 1 19 MJ Contact output 1 MR Frequency output 1 See chapter 3 1 20 MR Fre...

Страница 441: ...See chapter 3 1 11 NA Current input 1 NG Current input 7 See chapter 3 1 11 NA Current input 1 NH Current input 8 See chapter 3 1 11 NA Current input 1 NI Resistance Input 1 See chapter 3 1 12 NI Res...

Страница 442: ...s See chapter 3 1 14 NT Contact inputs NU Current input 9 Exi See chapter 3 1 15 NU Current input 9 Exi NV Current input 10 Exi See chapter 3 1 15 NU Current input 9 Exi NW Current input 11 Exi See ch...

Страница 443: ...nts OG Extra analog value 2 See chapter 5 4 Special measurements OH Extra analog value 3 See chapter 5 4 Special measurements OI Extra analog value 4 See chapter 5 4 Special measurements OJ Extra anal...

Страница 444: ...counter 6 See chapter 6 1 9 OO Extra OU Free programmable archive See chapter C 1 5 OU Freely programmable archive OV Dialogs See chapter C 1 6 OV Dialog OW Texts for Browser See chapter C 1 7 OW Tex...

Страница 445: ...9 Maximum load PD Maximum load display maximum hourly value of the year See chapter 2 5 9 Maximum load PE Maximum load display maximum daily value of the month See chapter 2 5 9 Maximum load PF Maximu...

Страница 446: ...C 1 10 Archive groups Archive group 7 counter BM 4 See chapter C 1 10 Archive groups Archive group 8 fault counter BM 4 See chapter C 1 10 Archive groups Archive group 9 F instance 1b See chapter C 1...

Страница 447: ...roups Archive group 19 Revision part 3 See chapter C 1 10 Archive groups Archive group 20 Revision part 4 See chapter C 1 10 Archive groups Archive group 21 Log file alarms warnings and other messages...

Страница 448: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 438 K 18 T Trend TA Trend block See chapter 2 5 8 Trend...

Страница 449: ...urve correction UE Effects of Correction See chapter 6 3 6 UE Effect UF IGM ID display IGM 1 See chapter 6 3 7 UF ID display IGM 1 UG IGM ID display IGM 2 See chapter 6 3 7 UF ID display IGM 1 UH IGM...

Страница 450: ...Appendix Manual ERZ 2000 NG EN07 2019 May 13th 440 UP Path 7 See chapter 6 3 8 UJ Path 1 UQ Path 8 See chapter 6 3 8 UJ Path 1...

Страница 451: ...VD Volume flow VE Messages See chapter 6 3 13 VE Messages VF Signal acceptance See chapter 6 3 14 VF Signal acceptance VG Signal to noise ratio See chapter 6 3 15 VG Signal to noise ratio VH Automatic...

Страница 452: ...42 Certificates PTB type approval certificate for calorific value flow computer PTB type approval certificate for load registration device PTB type approval certificate for effective pressure meter PT...

Страница 453: ...Certificates Manual ERZ 2000 NG EN07 2019 May 13th 443...

Страница 454: ...ation If you would like to learn more about the products and solutions from RMG visit our website www rmg com or contact your local sales representative RMG Messtechnik GmbH Otto Hahn Stra e 5 35510 B...

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