KRACHT – Electronic SD1, AS 8, ASR 14, ASR 20

Function and Product Characteristics SD 1

Function
  • The plug-in display unit SD 1 may be used with any KRACHT volume counter which uses a plug-in connection according to DIN 43650.
  • The display unit is simply inserted between the plug and the plug socket on the volume counter. The displayed value will be the actual flow rate or the volume. The square wave signal remains available for external processing.
  • Volume counters already supplied can be equipped with the plug-in display unit. To achieve this the amplifier card must be removed from the plug.
  • The plug-in display unit is freely programmable. All necessary settings can be achieved with 2 keys. The programmed data is stored on an FRAM and therefore saved in case of power failure.
Product Characteristics SD1
  • The SD 1 Service is a plug-in display unit which may be used with any KRACHT volume counter with plug in connection according to DIN 43650.
  • The display unit is simply put on the plug socket of the flow meter.
  • The batterypack supplies the SD1 and the sensors with power.
  • No separate power supply is necessary.
  • If the battery drains flat the SD 1 Service can be operated and charged with the enclosed charger.
  • The impulse volume is freely programmable.
  • All necessary settings can be achieved with 2 keys.
  • The programmed data is stored on a FRAM and therefore saved in case of flat batteries.
  • With the batterypack an operating time of 30 hours is possible without recharging.
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Function and Product Characteristics AS 8

Function
  • The microcontroller AS 8 processes incremental input signals from KRACHT volume counters and other sensors.
  • The input signals are filtered in the unit, interpreted and converted into the values of flow rate and volume.
  • The user may choose to have either flow rate or volume displayed.
  • Two relays, one analogue output or one serial interface are available for further, external processing.
  • As an option, the AS 8 is also available with three keys on the front panel.
Product Characteristics AS 8
  • EMC construction (electromagnetic compatibility)
  • Programmable micro-processor
  • Used for KRACHT volume counters and other sensors with 24 volt incremental signals
  • Power supply voltage 230/120 V- 50/60 Hz, 24 VDC, 12 VDC
  • Integrated sensor power supply 24 VDC — 50 mA
  • Flow rate or volume measurement Smoothing function by means of a digital filter
    2 programmable relays
  • User-selected analogue output Current ± 20 mA, 0…20 mA, 4…20 mA
    Voltage ± 10 V 0…10 V
  • Serial interface RS 232
  • Selectable time basis (sec, min, hrs)
  • Selectable units for display
  • Enclosure with dimensions according to DIN

Function and Product Characteristics ASR 14

Function
  • The ASR 14 integrates controlling, operating and visualizing.
  • The ASR 14 processes incremental signals.
  • A CAN-Bus Interface allows the connection of further In-/ Output channels.
  • The programming of the ASR 14 can be adapted optimally for the specific applications.
  • Optimal for the controlling of batching applications (e. g. metering of gear box oil).).
Product Characteristics ASR 14
  • LC-Display with illuminated background with 4 x 20 characters.
  • Used for KRACHT flow meters and other sensors with 24 V
  • incremental signals.
  • Power supplies 24 V DC.
  • 16 digital inputs, 2 of these are counter inputs with one channel or 1
  • counter input two channels.
  • 16 digital outputs.
  • For flow rate measurement and totalizing.
  • With RS232 interface.
  • With CAN-Bus-interface.

Function and Product Characteristics ASR 20

Function
  • The ASR 20 is a combination of operator panel and controller in one device. Many flow specific applications may be controlled.
  • The ASR 20 processes incremental signals.
  • Standardized programs are available for a wide variety of applications.
  • The number of inputs and outputs can be adjusted to the specific application.
  • Relay contacts, analogue outputs and serial interfaces are available for further external processing.
  • The measured values are indicated on a LC-display.
Product Characteristics ASR 20
  • Used for KRACHT volume counters and other sensors with 24 V incremental signals.
  • Up to 6 additional modules can be used.
  • Analogue inputs allow the connection of pressure transducers, temperature sensors and the like.
  • The input signals are filtered in the unit, interpreted and converted into the physical sizes of flow rate and volume.