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Electronics

The powerful electronics processes the signals supplied by the flow meter and ensures that processes are precisely monitored, regulated and controlled. It is used, for instance, in process technology as a control unit for dosing and mixing systems or as flexible measuring and recording electronics for differentiated applications in test bench technology for use.

CONTROL UNIT ASR 30

The ASR 30 is a control unit which can be operated via touch screen. In addition, the unit can be expanded with manual operating units. This allows the implementation of numerous fluid technology applications. Standardised programs are available for various applications. The ASR 30 programming can be optimally adapted to the respective application.

Details

Function

  • The ASR 30 is a control unit with a touch screen, and the unit can also be expanded with manual operating units.
  • The ASR 30 processes signals from incremental encoders.
  • Standardised programs are available for various applications.
  • The number of inputs and outputs can be adapted to special applications.
  • Transistor outputs, analogue outputs and various bus systems are available for external processing.
  • The determined values can be graphically displayed in different ways on a web page.
  • Several displays and/or PCs or tablets can be used for operation.

Product characteristics

  • Application for flow meters and other transducers with 24 V incremental signals.
  • Up to 250 expansion modules can be connected.
  • Analogue inputs facilitate the connection of pressure sensors, temperature sensors and similar transducers.
  • The internal voltage is monitored for over- and under voltage.
  • The input signals are filtered and converted in the device and calculated to the corresponding physical values.

Expansion modules

    • Digital signal processor modules
    • IO-link
    • Counter card up to 300 kHz input frequency 24 V DC
    • Digital In / Out
    • Analogue In / Out
    • Bus modules
      • CANopen
      • DeviceNet
      • PROFIBUS
      • CAN
      • POWERLINK
      • Modbus
      • EtherNet
      • OPC UA
      • PROFINET
      • EtherCAT

      Special software for the following applications

      • Flow control
      • Metering
      • Fuel consumption measurement
      • Cylinder stroke measurement and monitoring
      • Addition display and monitoring
      • Differential display and monitoring
      • Mixing ratio display and monitoring
      • Mixing ratio display and control

Data sheets

Contact

Control unit AS 8

The AS 8 control unit processes incremental input signals from the flow meters. The input signals are filtered in the unit, converted, and computed into the physical sizes of flow rate or volumes.

Details

Function

  • The AS 8 control unit processes incremental input signals from KRACHT volume counters and other measuring sensors.
  • The input signals are filtered in the unit, converted, and computed into the physical sizes of flow rate or volumes.
  • The display can show either flow rate or volume.
  • Two relays, an analogue output or a serial interface are available for external processing.
  • The AS 8 is optionally available with a membrane keypad.

Product characteristics

  • EMC-compliant design (electromagnetic compatibility)
  • Programmable control unit
  • Application for flow meters and other transducers with 24 volt incremental signals
  • Flow rate or volume measurement
  • Supply voltage 230/120 V-50/60 Hz, 24 VDC, 12 VDC
  • Integrated sensor supply 24 VDC – 50 mA
  • Smoothing function through digital filters
  • Serial interface RS 232
  • Selectable time base (s, min, h)
  • Units for display selectable
  • Built-in device with DIN dimensions

Special software for the following applications

  • Flow control
  • Metering
  • Cylinder stroke measurement and monitoring
  • Addition display and monitoring
  • Differential display and monitoring
  • Mixing ratio display and monitoring
  • Mixing ratio display and control

Data sheets

contact

PLUG-ON DISPLAY SD 1

The SD 1 plug-on display is a universally applicable local display for all volume counter series (VC, SVC, TM) with Hirschmann plugs. The display can show either flow rate or volume.

Details

Function

    • The display is inserted between the plug and the plug socket of the volume counter. The display can show either flow rate or volume. For external processing, the same square-wave signals are available as for the standard counters.
    • Previously supplied volume counters can be retrofitted with the plug-on display. To do this, remove the amplifier board in the plug of the existing volume counter.
    • The plug-on display can be freely programmed. All the necessary settings can be made using two keys. The programmed data are stored in an EEPROM so they are retained even in the event of a power failure.
    • As an option, the plug-on display is available with a flow/volume proportional current output (0 – 20 mA, 4 – 20 mA) or with two programmable relay contacts. The square-wave signals are then no longer required.

Data sheets

contact