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mru SWG 100 SYNGAS - Ex User Manual

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SWG 100 SYNGAS - Ex
USER MANUAL
9512EN-SYEX

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  • Page 1 SWG 100 SYNGAS - Ex USER MANUAL 9512EN-SYEX...
  • Page 2 Email: info@mru.de Homepage: www.mru.eu MRU GmbH is not liable for damage or injury resulting from the incorrect interpretation of information in this manual or from the incorrect use of this manual. FOR MORE INFORMATIONS ABOUT COMPANY MRU PLEASE VISIT OUR WEBSITE www.mru.eu...
  • Page 3 All rights reserved No part of this work may be reproduced in any form (print, photocopy, electronic media or any other process) or processed, copied or distributed using electronic systems without the written authorisation of the publisher, unless this is contrary to mandatory law.

  • Page 4: Table Of Contents

    Introduction and basic conditions Where to store the instructions General information on the manual Safety signs General important information for the system operator MRU warranty conditions Disposal take-back guarantee Return of devices Packaging Taking back parts containing harmful substances Notes on the device and safety...
  • Page 5 5.2.1 Dimensions and drilling positions Connecting inputs and outputs The power supply 5.4.1 External power supply box 5.4.2 Connecting the power supply 5.4.3 Connecting the power supply box 5.4.4 Connecting the power supply to the power supply box Connecting the alarm relay Connecting the RS-485 interface Switching on the device Operation...
  • Page 6 6.5.8 Default settings 6.5.9 Contents SD card 6.5.10 Event viewer 6.5.11 Device Info Starting up the device Warming up and self-test of the device Making basic settings Setting the measuring cycle 7.3.1 Menu path and basic structure 7.3.2 Navigating in the menu 7.3.3 Change phase type 7.3.4...
  • Page 7 8.5.3 Replacing the LEL sensor PIN code General notes on test gases 8.7.1 Unpressurised gas supply 8.7.2 Permanent installation of a test gas cylinder 8.7.3 Setting test gases in the device Calibrating the multi-gas NDIR bench Calibrating the paramagnetic O2 sensor 8.10 Adjustment H2 TCD Options and additional descriptions Flame arrester...

  • Page 8: Introduction And Basic Conditions

    1.2 General information on the manual • This manual will enable you to understand and safely operate this MRU analyser. • Please read this manual carefully. • Familiarise yourself with the product before using it.

  • Page 9: General Important Information For The System Operator

    Indicates application tips and other particularly important information. 1.4 General important information for the system operator MRU measuring devices are developed and manufactured in accordance with the applicable standards. Nevertheless, a failure or malfunction of individual device components is possible during the operating life of the device.

  • Page 10: Mru Warranty Conditions

    The return delivery must be free of charge for us. Parts containing hazardous substances are: e.g. electrochemical sensors. 1.7 Return of devices MRU GmbH is obliged to take back all analysers delivered after 13 August 2005 for proper disposal. The device must be returned to MRU with postage prepaid 1.8 Packaging Keep the original carton and packing material to avoid damage in transit if you need to return the analyser to the factory.

  • Page 11: Notes On The Device And Safety

    2 Notes on the device and safety 2 Notes on the device and safety The instructions for use are an integral part of the product and must be read carefully before use and be available at any time. 2.1 General informations •...

  • Page 12: Danger From Gases

    2 Notes on the device and safety The devices may only be installed, commissioned and maintained by qualified and competent personnel. NOTE Protect the device against unauthorised access 2.3 Danger from gases As intended, the device sucks in the sample gas, analyses it and releases it again at the gas outlet.

  • Page 13: Mechanical Dangers

    2 Notes on the device and safety • As a rule, it makes sense to use a flame arrester in both the suction line and the gas outlet line in order to protect other parts of the system from the consequences of gas ignition ❗...

  • Page 14: Electrical Hazards

    2 Notes on the device and safety 2.5 Electrical hazards The device does not pose any particular electrical hazards, as long as the usual basic rules for electrical installations are observed. These include the following instructions. ATTENTION ➢ Always switch off the power supply before working on the open device ➢...

  • Page 15: Danger From Leaking Liquid

    2 Notes on the device and safety Wear persosnal safety equipment when handling the gas probe or sample line Allow for sufficient time ti cool those items down to low temperature after switch-off before handling the probe or sample line 2.7 Danger from leaking liquid Condensate is usually produced during operation of the device and can be a source of danger.
  • Page 16 2 Notes on the device and safety ➢ Avoid contact with leaking acid from electrochemical sensors. ➢ Wear personal protective equipment when handling electrochemical sensors...

  • Page 17: Intended Use

    3 Intended use 3 Intended use The analyser is designed to determine the proportion of different gas components in a sample gas from biogas or synthesis gas plants. Typical gas components are carbon monoxide, methane or hydrogen in proportions of up to 100 vol%. The analyser is designed for continuous operation and measures the gas composition at adjustable time intervals.

  • Page 18: Device Description

    4 Device description 4 Device description The product name, serial number and further information on device identification can be found on the nameplate attached to the outside of the analyser housing. 4.1 Identification and nameplate The configuration of your device can be found on the nameplate. Designation Product name Serial number...

  • Page 19: Service Description

    4 Device description Detectable sample gases and their measuring ranges Manufacturer date Labelling 4.2 Service description • To analyse the gas, the analyser sucks in gas by means of a sample gas pump, which is supplied via sample gas lines. The volume flow of the sample gas is recorded and the pump is regulated in order to achieve a constant volume flow of the sample gas.

  • Page 20: Basics Of Analyser Technology

    4 Device description • The device provides measured values via various analog or digital interfaces, which correspond to the live values or are assigned to their respective measuring point. • The device allows the connection of test gas cylinders of known concentration.

  • Page 21: Calibrating The Device

    4 Device description All gas analysis methods used are subject to a short-term drift at the zero point, which leads to deviations from zero even if there are no target gas components in the sample gas. To correct this, the measuring device carries out a zeroing at a specified time interval.

  • Page 22: Safety Concept Of The Device

    4 Device description 4.6 Safety concept of the device The device analyses flammable gases. Various safety measures are implemented in the device to rule out any risk of explosion: • The pipework inside the device is designed to be technically tight.

  • Page 23: View Of The Device And Connections

    4 Device description 4.7 View of the device and connections Description Description (Inscription on the (Inscription on the device) device) Operation unit 10 M20 cable gland for power supply connection Wall hanging 11 Nameplate Lock 12 Sample gas (Sample gas inlet 1…6) Calibration gas inlet 13 Process Vent (Calibration Gas)

  • Page 24: Operation Unit And Sd Card Reader

    4 Device description M20 cable gland for IO modules Earthing bolt M6 4.8 Operation unit and SD card reader The operation unit is used to operate the device. In addition, the SD card slot is located on the back of the operation unit. # Description TFT-Display Keyboard...

  • Page 25: Mounting The Device

    This protection class is only provided when the door is closed. NOTE Unless expressly stated, all MRU measuring devices must be protected from direct sunlight and rain by a separate weather protection. This weather protection must be procured and installed by the operator.

  • Page 26: Set Up The Device

    5 Mounting the device 5.2 Set up the device The installation location should maintain the following distances: Position Minimum distance Min.50 cm Min 30 cm to the nearest wall Min. 100 cm to the floor (for wall- mounted devices) Min. 50 cm to the nearest wall Position Minimum distance Min.

  • Page 27: Connecting Inputs And Outputs

    5 Mounting the device 5.3 Connecting inputs and outputs ATTENTION Familiarize yourself with the safety instructions for this device before making the connections For the position of the connections, see the chapter describing the device. ▶ Connect the sample gas inlets to the measuring point using a suitable pipe fitting.

  • Page 28: External Power Supply Box

    5 Mounting the device 5.4.1 External power supply box The external power supply box is required to switch the device on and off in a safe area. It prevents a spark from being generated in the explosion-proof area. The power supply box is part of the safety concept of the device.

  • Page 29: Connecting The Power Supply Box

    5 Mounting the device 5.4.3 Connecting the power supply box First you must connect the power supply box to the device. PREREQUISITE: CONNECT THE POWER SUPPLY BOX TO THE DEVICE ☑ A suitable 1.50 m² 5G installation cable. ☑ Power supply box Description T1 Relay L1 Relay...

  • Page 30: Connecting The Power Supply To The Power Supply Box

    5 Mounting the device 5.4.4 Connecting the power supply to the power supply box Next, you must connect the power supply to the power supply box. PREREQUISITE: CONNECT POWER SUPPLY ☑ 3-wire installation cable with PE, L and N phase ▶...
  • Page 31 5 Mounting the device Connection Description Alarm connection Alarm connection Alarm connection Alarm connection RS-485 RS-485 B_EXT- RS-485 A_EXT+ STEPS: ▶ Connect the cables to the plugs.

  • Page 32: Switching On The Device

    5 Mounting the device 5.7 Switching on the device ▶ Open the analyser. ▶ Make sure that the power supply is installed correctly, and the circuit breakers are switched on. ▶ Close the analyser. ▶ Press the button of the external power supply box down for 3 seconds.

  • Page 33: Operation

    6 Operation 6 Operation 6.1 Operating and display elements Symbol Description ESC: Cancel or go back one menu level. OK: Confirmation button. Switching on and off: Press this button before disconnecting the device from the mains. The device saves changed user settings and other operating data and purges the sensor modules with fresh air Arrow keys: context-dependent functions, e.g.
  • Page 34 6 Operation...

  • Page 35: Measurement Menu Structure

    6 Operation 6.2.1 Measurement menu structure Here you can see the structure of the measurement menu. Designation Menu bar Display field Function bar 6.2.2 Open context menu In many windows, the context menu button opens an additional blue menu window. This contains a list of all possible steps or functions in this window.

  • Page 36: Switch To Zoom/Standard Display Mode

    6 Operation • Change the display mode: Zoom / Standard • Change measurement page. • Display last measurement point values • Individual configuration of the measurement window content. 6.3.1 Switch to Zoom/Standard display mode TEPS Comparison: Standard and zoom view ▶...

  • Page 37: Display Last Measuring Point Values

    6 Operation 6.3.3 Display last measuring point values You can display the last values of the measuring points that are not active. REREQUISITE ☑ Your device has several measuring points. ℹ You do not interrupt the active measurement. However, you can view the last values of the last measuring points.

  • Page 38: Configuring The Measurement Window

    6 Operation 6.3.4 Configuring the measurement window You can change the order of the displayed measurement values in the measurement window. TEPS ▶ Press the menu key in the measurement window. The blue submenu appears. ▶ Select " ". DEFINE MEASURING WINDOW The measurement window is active again.

  • Page 39: Storage Menu

    6 Operation 6.4 Storage menu 6.4.1 Data storage The measured values are stored internally in the device. • The device can store up to 20 000 measured values. • The device stores the current measured values at the end of the measuring cycle for each measuring point.

  • Page 40: Displaying Stored Values In Text Mode

    6 Operation 6.4.3 Displaying stored values in text mode To read saved measurements in text mode, proceed as follows: ▶ Enter the DATA STORAGE MENU ▶ Press the -key = „VIEW TEXT” The last stored measurement is displayed. ▶ Navigate through the measurements with the right/left-keys until you find your measurement.

  • Page 41: Setting The Csv Format

    6 Operation NOTE The CSV format is country-specific. The respective valid CSV format is set via the "General settings" menu. ▶ Call up the DATA STORAGE MENU ▶ Press -key = “EXPORT >> SD” The CSV files are written to the SD card. When the process is completed successfully, a message appears.

  • Page 42: Change Csv Configuration

    6 Operation 6.4.7 Change CSV configuration You can set the CSV format directly on the device. ▶ Call up the DATA STORAGE MENU ▶ Press the menu key opens(see picture below). SUBMENU Open the menu item. CSV CONFIGURATION ▶ menu opens (see picture below). CSV CONFIGURATION ▶...

  • Page 43: Menu: Extras

    6 Operation • Set standard list: All available measured values and 2 attachment rows are displayed here. • Set small list: Only the basic measured values are displayed. 6.5 Menu: Extras 6.5.1 General settings In this window, you can make basic settings for the device. Some of these can be changed directly using the arrow keys.
  • Page 44 6 Operation Setting Operation LCD Brightness Arrow keys ( - ) Sets the display brightness between 20%...100% Country Arrow keys ( - ) Controls country-specific settings Language Arrow keys ( - ) Selecting the display language Keyboard beep Arrow keys ( - ) ON / OFF Request admin-PIN Arrow keys ( - ) Determines whether functions such as Adjustment...
  • Page 45 6 Operation ℹ The device automatically saves measured values including a Set date & time time stamp. Therefore, the system clock of the device should be set correctly. ▶ Open the menu: date & time: EXTRAS / GENERAL SETTINGS → The menu window DATE &...

  • Page 46: Checking The Set Country And Device Language

    6 Operation 6.5.2 Checking the set country and device language NOTE Setting the language If the device displays a language that cannot be understood, you can switch to English by pressing the menu button and selecting 'Set english language'. Menu: Extras / Settings The device will automatically set some country-specific settings such as the language, date format, temperature unit, summer time function and CSV export settings.

  • Page 47: Analog Output Configuration (Optional)

    6 Operation 6.5.5 Analog output configuration (optional) Menu path: EXTRAS / ANALOG OUTPUT CONFIGURATION You can configure 4-20 mA outputs here. NOTE This option item is only available if you have the IO module option. 6.5.6 Alarm output configuration Menu path: EXTRAS /ALARM OUTPUT CONFIGURATION You can configure alarm outputs here.

  • Page 48: Default Settings

    6 Operation 6.5.8 Default settings ATTENTION All saved settings are lost here. Menu path: EXTRAS / DEFAULT SETTINGS This menu item allows you to reset all settings to the factory settings. 6.5.9 Contents SD card Menu path: EXTRAS / CONTENTS SD CARD This menu item shows you the contents of your SD card.

  • Page 49: Device Info

    6 Operation 6.5.11 Device Info Menu path: EXTRAS / DEVICE INFO In this menu you get general information about your device. You can also update the various built-in modules here. Use the function keys to scroll cyclically through the various subsystems (modules) installed in the device.

  • Page 50: Starting Up The Device

    7 Starting up the device 7 Starting up the device 7.1 Warming up and self-test of the device After switching on, the boot process of the operating software is started. This process takes approx. 15 seconds. This is followed by the warm-up phase and a self-test of the system. The accessibility and status of installed modules are recorded.

  • Page 51: Making Basic Settings

    7 Starting up the device ✔ The device is ready for measurement and follows the set measuring cycle or an external control, if available 7.2 Making basic settings In general, a start of operation requires some basic settings of the device to be checked or adjusted.

  • Page 52: Setting The Measuring Cycle

    7 Starting up the device 7.3 Setting the measuring cycle A measuring cycle defines the sequence of phases of the device. During operation, this sequence must be adapted to the respective measuring task. The possible types of phases are: • Zeroing.

  • Page 53: Navigating In The Menu

    7 Starting up the device # Description Duration until end of measuring cycle Measuring cycle list Function keys 7.3.2 Navigating in the menu You can set each phase individually. To do this, you must call up the phase submenu. ▶ Select your desired phase with the up/down arrow key. ▶...

  • Page 54: Insert Phase

    7 Starting up the device 7.3.5 Insert phase ▶ Press the function key . A new phase appears. ▶ Press the left/right arrow key to select your desired phase. ✔ You have inserted a new phase. 7.3.6 Insert Autoconfiguration Two standard cycles are stored. You can insert the cycles via AUTO CONFIG.
  • Page 55 7 Starting up the device ▶ Select the standard that is reasonable for your measurement application. The two auto configurations in comparison.

  • Page 56: Phase Submenus: Setting Options

    7 Starting up the device 7.3.7 Phase submenus: Setting options Here you can find out which settings are possible in the phase submenus. 7.3.7.1 Zeroing (Cycle Phase Details), In the menu, the details of the cycle phase for zeroing can be viewed and, if necessary, changed.
  • Page 57 7 Starting up the device In the cycle phase details, the measuring time and the sampling time can be changed. Each individual measuring point can be adjusted individually. Measurement SP.x Measuring valve Measuring valve of the current measuring point is open, all others are closed Zeroing valve Closed Duration...
  • Page 58 7 Starting up the device 7.3.7.4 Purging (Cycle Phase Details) Purging is a separate configuration item for purging the unit with ambient air and thus removing foreign gas from the lines and the measuring equipment. This may be necessary when switching between different measuring points that have different gases or gas concentrations.

  • Page 59: Nitrogen Purging

    7 Starting up the device 7.3.8 Nitrogen purging If the N2 purge option is activated, the device automatically inserts an N2 purge phase between two phases to prevent a mixture of different gases. This is useful, for example, if high oxygen concentrations and the sample gas would lead to an explosive mixture.

  • Page 60: Cycle Timer: Interception Of Events

    7 Starting up the device ▶ Go back to the measurement cycle configuration menu. ▶ Insert the measurement SP.2. ▶ Open the phase submenu of measurement SP.2. ▶ Change the settings. ▶ Proceed in the same way with the items measurement SP.1 and standby.

  • Page 61: Menu Structure

    7 Starting up the device Context menu “cycle timer” 7.4.2 Menu structure The menu is structured as follows: The 1st measuring phase...ends at: Set when the 1st measuring phase ends. After the measuring phase, a zeroing starts. Interval for: Length of further measurement phases. After the measuring phase, a zeroing starts.

  • Page 62: Setting The Cycle Timer (Example)

    7 Starting up the device 7.4.3 Setting the cycle timer (example) A measuring system consists of 3 devices. The measuring cycle of the devices should be set so that the system is permanently monitored and the zeroings do not overlap. The 3rd device serves as failure protection.

  • Page 63: Maintenance Of The Device

    8 Maintenance of the device 8 Maintenance of the device Determine the status of the modules The device consists of the control unit and a series of installed modules. These modules are independent functional units that are controlled by their own software and communicate with the control unit via an internal bus.

  • Page 64: Update Of Installed Modules

    8 Maintenance of the device ▶ Open the menu „EXTRAS / DEVICE-INFO“ window appears. DEVICE INFO ▶ Press F2 = „DETAILS“. The menu „ “ appears. MAIN DEVICE DETAILS ▶ Press F2 = „ “. UPDATE The update starts. ▶ Wait until the device restarts. ✔...

  • Page 65: General Maintenance Instructions

    Some components of the device are subject to wear and soiling and must therefore be serviced regularly. Recommendations for the maintenance interval are based on MRU's general experience. In individual cases, initially more frequent monitoring of the device should determine whether the application requires a shorter...

  • Page 66: Regular Maintenance Work By The Operator

    8 Maintenance of the device For electrical work as well as for work on the gas system, all nationally applicable directives must be observed at the installation site. 8.3.2 Regular maintenance work by the operator All inspection and maintenance work are highly dependent on the individual conditions of use and operation on site.

  • Page 67: Spare Part Position Inside

    8 Maintenance of the device Element Quanti Article number Filter element PTFE 12685 Inline filter activated carbon 65034 8.4.1 Spare part position inside...

  • Page 68: Replacing The Ptfe Element

    8 Maintenance of the device 8.4.2 Replacing the PTFE element ATTENTION Danger from electric current For your safety, disconnect the device from the power supply before carrying out maintenance work. ATTENTION Leakage due to defective seal Missing, unclean or damaged seals can lead to leaks when the filter is reinserted.

  • Page 69: Replacing The Activated Carbon Filter

    8 Maintenance of the device Holding ring PTFE filter holder ▶ Unscrew the holding ring 03 of the dust filter by hand. The glass jar 02 can be removed with the holding ring 03. The PTFE element 01 is exposed. ▶...

  • Page 70: Lel Sensor Maintenance

    8 Maintenance of the device 8.5 LEL sensor maintenance The LEL sensor is used to monitor the inside of the enclosure for the presence of an explosive atmosphere in addition to cyclical interior monitoring. As it performs this permanently, independently of the measuring cycle, this type of monitoring is not fail-safe (as it is not self-monitoring), but allows a faster response to a leak.
  • Page 71 8 Maintenance of the device ➢ Use CH4 concentrations below 5 % by volume → corresponds to 100 % LEL for CH4. ▶ Open the menu: EXTRAS / ADJUST CH4 ▶ Press F3 = „ “. ZERO The zero point is taken. You will see the value 0.000% in the menu.

  • Page 72: Replacing The Lel Sensor

    8 Maintenance of the device The actual LEL concentration changes. ▶ Wait until the gas concentration no longer changes. ▶ Use the left / right arrow key to change the factor until the actual LEL value displayed corresponds to the set value of the bottle.

  • Page 73: Pin Code

    8 Maintenance of the device 8.6 PIN code All functions and menus that prevent the normal measuring function of the device due to changes can be protected against unauthorised access by the administrator PIN code if required. If unauthorised persons should have access to the device, we strongly recommend that you activate the administrator PIN code.

  • Page 74: General Notes On Test Gases

    Some test gases can be mixed together in a test gas cylinder. Please coordinate which gas mixtures are suitable for which purpose with your supplier and, if necessary, MRU. WARNING High pressure The calibration cylinder is under high pressure.

  • Page 75: Permanent Installation Of A Test Gas Cylinder

    8 Maintenance of the device In order to monitor the outflow of the excess volume flow, it is advisable to install a ball flow indicator or similar in the branch to the environment. Unpressurized test gas supply by a measuring device # Description # Description 1 Flow indicator...
  • Page 76 8 Maintenance of the device ATTENTION Too high gas pressure in the device Damage to the device, gas leakage ➢ Use suitable pressure reducers ➢ Observe the maximum overpressure of the device inlets (see technical data) Description Adjustment bottle Pressure reducer (for maximum pressure see technical data) Connecting hose, e.g.

  • Page 77: Setting Test Gases In The Device

    8 Maintenance of the device 8.7.3 Setting test gases in the device In principle, the measuring device supports the possibility of introducing test gas into the device via different routes. As a rule, this is done via the calibration gas inlet, but in some cases calibration gas can also be introduced via the sample gas inlet, e.g.
  • Page 78 8 Maintenance of the device STEPS: ▶ Open the menu: Adjustment: EXTRAS / ADJUSTMENT MENU. ▶ Open " " in the adjustment menu. ADJUSTMENT MULTI GAS BENCH The adjustment menu opens. The adjustment menu has the following structure. Description Gas designation with actual value Lower setpoint with current setpoint concentration and factor Upper setpoint with current setpoint concentration and factor Zero point(F1 key)
  • Page 79 8 Maintenance of the device ▶ Press the OK button to confirm ▶ Open the calibration bottle. The actual value in the calibration window changes. ▶ Wait until the actual value no longer changes. NOTE You can only carry out the adjustment when the actual Inverted commas show concentration has reached a certain minimum value.

  • Page 80: Calibrating The Paramagnetic O2 Sensor

    8 Maintenance of the device 8.9 Calibrating the paramagnetic O2 sensor Here you can find out how to calibrate a paramagnetic oxygen sensor. PREREQUISITE ☑ 100 Vol. % N2-bottle ☑ Calibration setup must be set up. STEPS: ADJUSTMENT O2-Sensor The zero point is taken at ambient air ▶...
  • Page 81 8 Maintenance of the device ▶ Press F2 The O2 sensor is calibrated at the zero point. As an alternative, the zero point can be taken by N2-gas supply and the O2 sensor is calibrated to atmospheric oxygen ▶ Remove after zeroing the calibration bottle N2 The O2 value increases.

  • Page 82: Adjustment H2 Tcd

    8 Maintenance of the device 8.10 Adjustment H2 TCD You can calibrate the thermal conductivity sensor for hydrogen at the reference point. The adjustment window can be found under EXTRAS / ADJUSTMENT MENU forward for your comments Apply test gas and adjust the “span factor” until the displayed measured value (actual value) corresponds to the concentration of the test gas cylinder (target value).

  • Page 83: Options And Additional Descriptions

    HINWEIS Please note that there are different types of flame arresters, depending on the gas type of the application. In particular, MRU offers flame arresters for methane and hydrogen. Make sure that you use the right flame arrester for your application.

  • Page 84: Option: Perform Auto-Calibration

    9 Options and additional descriptions Fit the flame arrester with copper seal to the gas inlets and outlets. Optionally fit a reducer to G 1/8 at the gas inlet on the pipe side. 9.2 Option: Perform auto-calibration With the auto-calibration option, your device can carry out an adjustment automatically at predefined time intervals.
  • Page 85 9 Options and additional descriptions Set next auto-calibration Selecting the connection Calibration duration Zero time Setpoint of the calibration bottle ▶ Use the left/right arrow keys ( - ) to set for which Calibration gas inlet (1 to max. 5) 3the settings should apply ▶...
  • Page 86 9 Options and additional descriptions ▶ Use the arrow keys to set the setpoint of the gas component in the blue input window. ▶ Press the -key to confirm the entry. ▶ Continue with the steps to enter all gas components in the adjustment gas cylinder in list 6.

  • Page 87: Option: Profibus-Converter

    9 Options and additional descriptions 9.3 Option: Profibus-converter The Profibus converter allows a direct communication between Modbus (RTU) and a Profibus interface. • The option is only available from firmware V1.01.70. • Transfer multibyte values in Motorola ® Order (Big Endian). •...

  • Page 88: Device Settings

    9 Options and additional descriptions 03 = Connection A, 04 = , 05 = GND (insolate Ground), 06 = Positiv Connection, 07 = , 08 = Connection B 9.3.3 Device settings The settings are as followed: ▶ Under the menu set the EXTRAS/GENERAL SETTINGS →...

  • Page 89: Special Information About Profibus - Slave Function

    9 Options and additional descriptions 9.3.5 Special information about Profibus – Slave function • The Profibus slave function requires a Modbus Profibus converter "Seneca HD67561" installed and configured in the measuring device. • The Profibus ID is normally set to 84 by MRU.

  • Page 90: Troubleshooting

    10 Troubleshooting 10 Troubleshooting Troubleshooting instructions are given below. 10.1 Ventilation of the housing CAUTION Flammable gas can lead to an explosion ➢ Follow the instructions in this chapter ➢ Identify and rectify the cause of the flammable atmosphere inside the device before switching it on again The interior monitoring system cyclically checks the interior of the device for the presence of an explosive gas atmosphere, such as occurs if there is a leak in the gas supply to the device.
  • Page 91 10 Troubleshooting Upper and lower ventilation opening Identify the cause of the gas accumulation inside and rectify this.

  • Page 92: Technical Data

    11 Technical data 11 Technical data 11.1 General technical data Parameter Specification Operating temperature (without frost +5°C ... +45 °C / 41 °F ... 113 °F protection heating) Operating temperature (with optional frost -10 °C ... +45°C / 14 °F ... 113 protection heater) °F Rel.

  • Page 93: Interfaces

    11 Technical data 11.2 Interfaces Parameter Specification Display type 3,5TFT Number of simultaneously displayed measured values Keyboard with number of keys Electrical outputs/inputs Serial interface RS485 Protocol Modbus RTU Analog output type 4 ... 20 mA Number of output channels per I/O module (optional) Analog input type 4 ...

  • Page 94: Gas Inlets And Outlets

    11 Technical data 11.3 Gas inlets and outlets Number of measuring points to be monitored in parallel Number of sample gas inputs (serial switching) including calibration gas inputs for AutoCal Overpressure at the calibration gas inlet: Calgas 1 +100 … +500 hPa Calgas 2,3,4 <...

  • Page 95: Further Measurement Technology

    11 Technical data Measuring range Resolution Repeatability Linearity Drift 0 - min ... 0,2 Vol% / 1% 0 - 100 Vol% 0,01 Vol% Vol% / 1% m.r. rdg. 1% rdg. 0 - 100 0,2 Vol% / Vol% 0,01 Vol% 1% m.r. Vol% 1% rdg.
  • Page 96 11 Technical data Response time T90 < 50s (@60 l/h)

  • Page 97: Declaration Of Conformity

    12 Declaration of conformity 12 Declaration of conformity...

  • Page 98: Declaration Of Conformity Atex

    13 Declaration of conformity ATEX 13 Declaration of conformity ATEX...

  • Page 99: Appendix

    14 Appendix 14 Appendix If you require documents with details of the mechanical and electrical implementation of the device and, if necessary, documents from the company's suppliers, please contact the customer service department. Die folgenden Seiten geben...
  • Page 100 14 Appendix...

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