IZAR CENTER is used for the remote reading of M-Bus and IZAR radio-linked meters. Easy to install, IZAR CENTER automatically communicates with the connected meters and memorises their data.
IZAR CENTER may be read either by a PC with an RS232, USB or LAN link or by an analog. Connected to a modem, IZAR CENTER sends the data to the FTP server, at programmable intervals. Furthermore, it is able to warn the user in real time of the occurrence of alarms by e-mail.
Connected to an IZAR RECEIVER M-BUS, it can read meters equipped with the IZAR radio.


  • Manages up to 25, 60, 120 or 250 M-Bus devices
  • Standard version (repeater) or Memory (recording of information)
  • Automatic transmission of meter data via internet connection using integrated LAN interface or external analog
  • Automatic meter identification by searching the M-Bus network
  • Reading and configuration via USB, RS232/modem or LAN interface
  • Alarm functions including consumption and instantaneous values with notification (email)
  • Compact housing with rail-mounting possibility
  • Principle of operation

    IZAR CENTER is sending out, via M-Bus, a request to the connected meters. This action could be initiated manually by the user or automatically by the IZAR CENTER. For automatic reading, the version of IZAR CENTER with memory is required to program meters reading intervals. The meter is responding to that request by transmitting its values to the IZAR CENTER. The meter data is stored in a built-in memory and can be transmitted automatically to a meter reading software (e.g. IZAR@NET 2 software).

  • General
    InterfacesUSB, Ethernet LAN, RS232 (for PC, modem), M-Bus output and M-Bus repeater input
    HousingLight-grey rail mount housing
    M-Bus transmission speeds300 / 600 / 1,200 / 2,400 / 4,800 / 9,600 baud; automatic detection of baudrate

    IZAR CENTER can only be used in combination with the following modem:
    Analog modem: Xmodus 1520S
    Available on request. Please contact your Diehl Metering sales representative.
  • Technical data
    Power supplyV AC110 ... 230
    FrequencyHz50 ... 60
    Protection classIP 20
    Ethernet LAN communication speedkByte/s1.5
  • Ambient conditions
    Humidity%10 ... 90
    Temperature range°C-20 ... +70
  • Dimensions
    Width 1B1mm59
    Width 2B2mm42
    Height 1H1mm49
    Height 2H2mm32
  • Versions
    M-Bus level converter
    M-Bus master functionality
    M-Bus repeater functionality
    256 MByte integrated mass storage
    Device list to manage up to 1,000 meters
    Data ring memory for 500,000 device readouts
    Programmable automatic meter readout
    Parallel readout of memory and reading of meters
    Setting of individual reading intervals and retries
    Automatic transmission of meter data to FTP server
    Use of alternate FTP server if upload fails
    Alarm functionality with notification (Email with POP - before - SMTP)
    Control M-Bus devices on alarm (e.g. switch a valve)

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