Elster Instromet EK205 Operating Manual
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Elster Instromet EK205 Operating Manual

Volume conversion device
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Operating manual
Volume conversion device
EK205

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Summary of Contents for Elster Instromet EK205

  • Page 1 Operating manual Volume conversion device EK205...
  • Page 2 Volume Conversion Device EK205 Operating instructions: 73023159 Version: Issue date: 16.12.2016 Software version: from 1.02...

  • Page 3: Table Of Contents

    2.7 Operator liability ......................16 3 Technical data ......................... 17 3.1 General data........................17 3.2 Power supply for EK205 without integrated mains adapter ........... 17 3.2.1 Battery supply ......................17 3.2.2 External power supply for the basic device ............17 3.3 Pressure sensor ......................
  • Page 4 5.2.2 Lead-sealing of the input terminals ................. 27 5.2.3 Connect temperature sensor .................. 27 5.2.4 Connect pressure line ..................... 28 5.2.5 Connect outputs of the EK205 ................29 5.3 Commissioning ......................29 5.3.1 Setting the operating parameters ................29 5.3.2 Sealing ........................36 5.3.3 Close housing ......................
  • Page 5 General 7.1.1 Staff ........................53 7.1.2 Personal protective equipment ................53 7.1.3 Environmental protection ..................53 7.2 Check and replace device batteries ................54 7.2.1 Replace and connect device batteries ..............54 7.2.2 Enter battery capacity .................... 55 7.2.3 Display remaining operating duration of the battery ..........56 8 Faults ..........................

  • Page 7: General

    The data and material properties that are presented below are guidelines. They must be reviewed for each individual case and corrected if necessary. For the commissioning of the various communication and device applications, you can use the application manual of the EK205 at www.elster- instromet.com/en. 1.2 Warranty provisions You will find our current warranty conditions in the General Terms and Conditions, e.g.

  • Page 8: Explanation Of Symbols

    General 1.4 Explanation of symbols 1.4.1 Safety instructions Safety instructions are indicated in these instructions by symbols. The safety instructions are introduced by keywords that express the extent of the risk. Safety instructions must be observed and treated diligently to avoid accidents, personal injury and material damage.

  • Page 9: Limitation Of Liability

    Violations give rise to compensation. Further claims remain reserved. 1.7 Scope of delivery The scope of delivery of the EK205 includes:  Electronic Volume Conversion Device EK205 ...

  • Page 10: Replacement And Accessory Parts

    The accessories of the EK205 also include the free enSuite program, available at www.elster-instromet.com. With them, you can program the Volume Conversion Device EK205 via its data interfaces in order to carry out further applications.

  • Page 11: Storage

    General 1.9 Storage CAUTION! Reduced performance after exceeding or falling below the valid temperature range of the batteries. Exceeding or falling below the valid temperature range can reduce the performance of the batteries when storing the device. Therefore: – For longer-term storage, ensure that the valid temperature range of the built-in batteries between -25 °C and +55 °C is not exceeded or fallen below.

  • Page 12: Safety

    2.1 General The EK205 is an intrinsically safe device and is suitable for operation within the zones at risk of gas explosion 0, 1 or 2 for gases of temperature class T4. Check for use in zones 0, 1 or 2 in accordance with the currently applicable rules of the art: see chapter 9.3: EC type examination certificate no.

  • Page 13: Intended Use

    The device is designed and constructed exclusively for its intended use as described here. The Volume Conversion Device EK205 serves to convert a gas volume of a gas line in basic condition measured by a meter in measurement conditions as well as to assign the volumes measured to tariffs.

  • Page 14: Staff

    Safety 2.3 Staff WARNING! Risk of injury in the event of insufficient qualification! Improper use may result in considerable personal injury and material damage. Therefore: – Have all activities carried out by qualified staff only. The following qualifications for different areas of activity are listed below in the instructions: ...

  • Page 15: Personal Protective Equipment

    Safety Only persons are permitted as staff from whom it can be expected that they will perform their work reliably. Persons whose reactivity is influenced, e.g. from drugs, alcohol or medication, are not permitted.  When selecting personnel to operate the device, make sure you comply with the specific regulations of the overall gas system that concern age and occupation.

  • Page 16: Environmental Protection

    Safety 2.6 Environmental protection CAUTION! Substances harmful to the environment! When handling substances harmful to the environment, in particular in the event of incorrect disposal, severe damage may arise for the environment. Therefore: – Observe the below notes at all times. –...

  • Page 17: Technical Data

    Height (incl. cable screw connections) Depth Permissible ambient temperature range -25 – +55 °C Permissible gas temperature range -30 – +60 °C 3.2 Power supply for EK205 without integrated mains adapter 3.2.1 Battery supply Information Value Unit Voltage General nominal capacity 16.5 Usable capacity 13.0...

  • Page 18: Pressure Sensor

    Technical data 3.3 Pressure sensor 3.3.1 CT30 Type Pressure Sensor Information Value Unit External thread M12 x 1.5 Usable thread length About 10 3.3.1.1 Absolute pressure ranges Measuring range Overload capacity 0.8 – 5 bar abs. 25 bar abs. 2.0 – 10 bar abs. 40 bar abs.

  • Page 19: Digital Inputs

    Technical data 3.5 Digital inputs 3.5.1 Pulse and reporting inputs NF The maximum meter frequency of the digital inputs can be set with the enSuite software. The thresholds stated here for frequency and duration apply only if the so-called software debouncing is deactivated.

  • Page 20: Optical Serial Interface

    Technical data 3.7 Optical serial interface Information Value Unit Baud rate 9600 Format 1 start, 1 parity, 1 stop bit 3.8 Electrical serial interface Information Value Adjustable types RS232 or RS485 Cable length max. 10 m 3.8.1 RS485 type Parameter Value Operating types RS485 2-wire (semi-duplex)

  • Page 21: Identification

    Technical data 3.10 Identification The EK205 is approved as a volume corrector as per the Measuring Instruments Directive (MID). The identification of the EK205 is carried out on the front side (see chapter Structure and function). 3.10.1 Type plate and EX identification...

  • Page 22: Construction And Function

    Construction and function 4 Construction and function 4.1 External view Type plate Display Arrow keys , , ,  Description of the key combinations Cable bushings for the connection of further components Cable bushing Temperature sensor Outdoor plug (option) Pressure sensor Optical interface 10 Security bails Ill.: 2...

  • Page 23: Brief Description

    Temperature Conversion Device, the momentary values of temperature are measured and the pressure is set as a constant. As an operating element of the EK205, an alphanumerical display and a keyboard on the front side of the device are available.

  • Page 24: Installation, Connection And Commissioning

    5 Installation, connection and commissioning 5.1 Installation The EK205 can be installed either on the gas meter, on the pipeline or on a wall. In the event of issues during installation, e.g. when selecting the suitable installation accessories, please contact our customer service (see chapter General).

  • Page 25: Installation On A Wall

    Installation, connection and commissioning 5.1.3 Installation on a wall Using the wall mounting feet (see appendix), install the EK205 on the wall. 1. Using the four self-cutting screws provided on the rear of the EK205 install the wall mounting feet. The fastening feet can be fastened in different positions.

  • Page 26: Connection

    Risk of explosion by connection to non-intrinsically-safe and associated equipment. When operating the EK205 in an area at risk of explosion (zones 0, 1 or 2) and connecting devices without certification as an "associated piece of equipment", there is a risk of explosion.

  • Page 27: Connecting Gas Meters

    Ill.: 8 The line diameter for connection of the inputs of the EK205 is 0.8 … 1.0 mm (AWG 20 – 18). 5.2.1.1 Connection to a low-frequency pulse transducer 1. Connect the pulse output of the gas meter to the DE1 terminal ( 1 in Ill.: 8, page 27) of the EK205.

  • Page 28: Connect Pressure Line

    When connecting the pressure lines, national requirements must be observed. For Germany, the requirements of the PTB inspection rules, volume 20 Electronic Volume Conversion Devices for gas, chapter 5 apply. When laying pipelines, a falling laying must be observed. Not applicable when using EK205 as a Temperature Conversion Device.

  • Page 29: Connect Outputs Of The Ek205

    The line diameter for connection of the inputs of the EK205 is 0.8 … 1.0 mm (AWG 20 – 18). Various instruments can be connected to the digital output of the EK205 To this end, the outputs are preset (see chapter 5.3.1.10) 1.
  • Page 30 ESC  + . 5.3.1.3 Setting the volume at measurement conditions In order to control the recording of volumes within measurement conditions, the EK205's counter can be set to the same value as the gas counter once when the administrator lock is open.
  • Page 31 "Vm_n" (Vm new value) are set to the default values. 5.3.1.5 Setting volume at base conditions It is possible to set up the meter when first operating the EK205 provided that the administrator lock is open. Setting the volume is always possible when the calibration lock is open.
  • Page 32 Installation, connection and commissioning To adopt the value set, move the cursor to the Store value.  Press the key combination ENTER  +   "0" flashes.   Change the value using the arrow buttons  or  to "1". After the value has been changed, press the key combination ENTER ...
  • Page 33 Installation, connection and commissioning Press the ENTER  +  button to confirm the set value. It is possible to abort the entry  by pressing the key combination ESC  + . Move the cursor with the arrow keys  or  further to the gas analysis values (Ho.b, ...
  • Page 34 Except for the settings described here, many additional functions, such as time synchronous pulses, can be set for the outputs. The complete description can be found in the application manual EK205, which you can download from www.elster-instromet.com. 5.3.1.11 Setting summer time switching ...
  • Page 35 To avoid deleting the archives by mistake, when the calibration lock is open the serial number (on the type plate of the device) of the EK205 must be stated. Press the key combination ENTER  +   One digit of the value flashes.

  • Page 36: Sealing

    Installation, connection and commissioning 5.3.2 Sealing 5.3.2.1 External view 1 Optional user protection: Lid sealing using wiring seals through sealing plugs. Ill.: 14 5.3.2.2 Internal view 1 Sealing point for securing the calibration switch. 2 Sealing points for securing the plate covers.

  • Page 37: Close Housing

    5.3.4 Check installation and connection WARNING! Risk from improper installation and connection! Improper installation and connection of the EK205 may result in fatal situations. Therefore: – Carry out the installation and connection of the EK205 correctly. – Observe the requirements of the standards and guidelines stated in the design test certificates.

  • Page 38: Operation

    Operation 6 Operation Using the enSuite software and the data interfaces of the EK205, further applications than those described below are possible. Instructions are available at www.elster-instromet.com. 6.1 Safety 6.1.1 Personal protective equipment When working on the device within a gas system, wearing personal protective equipment is required to minimize health hazards.

  • Page 39: Basics

    Operation 6.3 Basics As already explained in the chapter Construction and function, you can operate and program the EK205 using the operating elements on the front plate of the device: 1 Alphanumerical display 2 Arrow key◄ 3 Arrow key▲ 4 Arrow key▼...

  • Page 40: Functions Of The Keys

    Operation 6.3.2 Functions of the keys The keys have the following functions: Function   jump to the right to another data list.  jump to the second part of a value displayed in two parts.  open the relevant submenu. ...

  • Page 41: Calling Up The Data, Navigation In The Display

    Operation 6.3.3 Calling up the data, navigation in the display With the , , ,  arrow keys, you can move the cursor in the display and switch to other values. By pressing the key combination ESC  +  several times, you reach one of the Main, Cust., Admin, Serv.

  • Page 42: Meaning Of The Status Symbols

    Operation 6.3.4 Meaning of the status symbols The status symbols displayed in the first row have the following meaning: Ill. 21: Status symbols in the display Symbol Meaning At the top left edge of the display, individual letters are displayed as symbols for the following messages: No special messages Alarm –...

  • Page 43: Error Messages When Entering Values

    Symbol Meaning External power supply If this symbol appears, the EK205 is being supplied power from an external unit connected to the terminals. Signal strength of the radio network for the external modem (connected to the terminals). This display is only shown if an external modem is connected and active.

  • Page 44: Access Rights

    The calibration lock serves to secure calibration law parameters. These include all values that influence volume counting and volume conversion. The calibration lock is designed as a key that is placed within the EK205 housing below the circuit board cover. It can be secured with an adhesive label (see chapter 5.3.1.1, Opening...
  • Page 45 Operation 6.3.6.2 Certification data log The certification data log is activated by default, but can be deactivated as an option. The parameters affected are then below the calibration lock. Using the certification data log in accordance with PTB A 50.7, some calibration law-relevant parameters can also be changed when the calibration lock is closed.

  • Page 46: Content Of The Data Register

    Operation 6.4 Content of the data register 6.4.1 Access rights The "Access" column in the tables of the following chapters describes what lock needs to be opened to change a parameter. All changes of parameters are saved in a logbook. Access Meaning Calibration officer...

  • Page 47: Customer Tab

    Operation 6.4.2.3 p – gas pressure The gas pressure measured is used to calculate the volume in base conditions. The pressure is displayed as absolute pressure. If the pressure cannot be measured due to a fault, an adjustable value is displayed and used to calculate the fault volumes.
  • Page 48 The compressibility ratio factor calculated is used to calculate the volume in base conditions. The EK205 supports several equations to calculate the compressibility ratio factor. The equation to be used is determined by the directives and standards applicable for the usage area of the device.

  • Page 49: Admin Tab (Administrator)

    Operation 6.4.3.9 Qm – actual flow rate Current actual flow rate (measurement flow rate). The measurement insecurity of the operating load displayed depends on whether a pulse transducer is connected: For connected pulse transducer: With a pulse distance of a maximum of 15 minutes (at least four pulses per hour) and cp.I1 ...

  • Page 50: Serv. Tab (Service)

    Operation 6.4.5 Serv. tab (service) This tab is used to display, check and parameterize special device settings or statuses. The application is only intended for service technician (specialist staff) or a calibration officer when commissioning or maintaining. Display Meaning Volume Submenu for volumes and associated parameters Volume conversion Submenu for conversion and associated parameters Measured values...
  • Page 51 6.4.6.4 Menu – selection of the display menu In delivery status, the display of the EK205 has the five tabs: Main, Cust., Admin, Serv. and Ctrl. With the Menu value, for certain purposes tabs can be displayed or hidden.

  • Page 52: Maintenance

    Maintenance 7 Maintenance 7.1 Safety DANGER! Risk of life from electric current! When coming into contact with live parts, there is a immediate risk of life. Damage to the insulation or individual components can be fatal. Therefore: – Cover the electric connections and live parts against possible contact. –...

  • Page 53: Staff

    Maintenance CAUTION! Substances harmful to the environment! When handling substances harmful to the environment, in particular in the event of incorrect disposal, severe damage may arise for the environment. Therefore: – Observe the below notes at all times. – Take suitable measures immediately if substances harmful to the environment enter the environment by mistake.

  • Page 54: Check And Replace Device Batteries

    7.2.1 Replace and connect device batteries DANGER! Risk of explosion when using of wrong batteries. Use only batteries stated in the design test certificates of the EK205 (see chapter 9.3). Order number see chapter 9.1.4. WARNING! Risk of injury when handling batteries incorrectly! Batteries need to be treated with special care.

  • Page 55: Enter Battery Capacity

    9 if applicable. Ill.: 23 Ensure that the new battery is fastened correctly and sits tight inside the EK205. CAUTION! Damage to property caused by improper device closure! If the device is not properly closed cables can get pinched and cause damage.

  • Page 56: Display Remaining Operating Duration Of The Battery

    Maintenance Press the key combination ENTER  +   One digit of the value flashes.   Move the cursor with the arrow buttons  or  to the digits and change these with the arrow buttons  or . ...

  • Page 57: Faults

    Faults 8 Faults The following chapter describes causes of faults of the device and possibilities of rectification. In the event of faults that cannot be rectified with the following instructions, please contact our customer service (see chapter General) or our electronics hotline: Tel.

  • Page 58: Improper Fault Rectification

    8.2 Fault and other status messages Faults (here equivalent to "alarms") during the operation of the EK205 can be identified on the basis of the status symbols in the first row of the display (see chapter 6.3.4).
  • Page 59 Warnings: Data restore. The batteries of the EK205 have failed temporarily. As a result of this, the time has not changed and no measurements have been logged. However, all data remain preserved. This message appears when old batteries are removed before connecting the new ones (see chapter 7.2, page 54).
  • Page 60 Faults Message Description, process Vb Warn Lim. The standard volume consumption value monitored (by default: hourly consumption) is outside the warning limit set. What value is monitored and the warning limits can, among other things, be changed with the enSuite software. Qm Warn The operating load (gas flow) is outside the warning limit set.
  • Page 61 Conversion Device will accept data transmission calls. Call Win.2 Call Win.3 Call Win.4 Call Win.5 Call Win.6 call time1 The specified call time is active, i.e. the EK205 shall make a data call time2 transmission call to the remote terminal.

  • Page 62: Appendix

    Mounting kit EK205 to RABO flow direction horizontal 73 023 803 Mounting kit EK205 to RABO flow direction vertical 73 023 804 Mounting kit EK205 to S1, S1V, S1D, Enc. S1 73 023 805 Universal holding angle for pipe installation for various nominal widths 73 021 955...

  • Page 63: Temperature Sensor Bags

    Appendix 9.1.3 Temperature sensor bags Replacement / spare parts Order no. Temperature sensor bag EBL50 complete incl. welding nozzles M10 x 1 73 012 634 Temperature sensor bag EBL67 complete incl. welding nozzles M10 x 1 73 014 456 Temperature sensor bag EBL160 complete incl. welding nozzles G 3/4” 73 012 100 and seal ring Temperature sensor bag EBL250 complete incl.

  • Page 64: Conformity Declarations

    Appendix 9.2 Conformity declarations IECEx is not available for all device types.

  • Page 65: Design Test Certifications

    Appendix 9.3 Design test certifications 9.3.1 ATEX - EC Type Examination Certificat...
  • Page 66 Appendix...
  • Page 67 Appendix...

  • Page 68: Iecex Certificate Of Conformity

    Appendix 9.3.2 IECEx Certificate of Conformity Not available for all device types.
  • Page 69 Appendix...
  • Page 70 Appendix...
  • Page 71 Appendix...

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