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Repeater Power Supply

IsoAmp PWR A 20100

Repeater power supply in a 6 mm housing with calibrated switching of output signals, HART transmission and protective separation.

Repeater power supply for 2-wire transmitters (current loop powered sensors) in an extremely compact 6-mm housing. The A 20100 supplies the transmitter with power and transmits the measurement signal to the output with galvanic isolation and high accuracy.

In case a signal other than the 4 to 20 mA current loop signal is required, the repeater power supply provides various output signals which can be selected via DIP switches. Of course HART signals are transmitted unaltered. The width of just 6 mm also allows use of the repeater power supply in the tightest of spaces.

Facts

  • Extremely flat
    3-port isolation in a 6 mm modular housing
  • Flexible and extremely precise
    Calibrated switching of output signals
  • Quick and easy configuration
    using lateral DIP switches – easy to access, yet protected against accidental adjustment
  • Low-cost assembly
    Supply of the current loop and galvanic isolation of the measurement signal in one device
  • Protective separation
    up to 300 V according to EN 61140
  • SMART transmitter
    (acc. to HART specification)
  • Cross-connection combs for power supply
    Power supply only wired once for almost any number of parallel repeater power supplies
  • 5-year warranty

The Task
Flexible and safe supply of 2-wire transmitters via the 4 ... 20-mA current loops with simultaneous transmission of data protocols for SMART transmitters / HART communication.  Conversion of the output signal into 0 … 20 mA or 0 … 10 V, if necessary.

The Problems
Good isolator properties combined with high transmission accuracy often result in complex systems that cost space and money. Galvanic isolation of the supply and signal processing, however, are frequently indispensable in order to exclude measuring problems right from the start. Thus the range of possible alternatives within the budget is often limited.

The Solution
Knick is the first manufacturer to provide a repeater power supply for 2-wire transmitters in an extremely compact 6-mm housing - the IsoAmp PWR A 20100. It supplies the transmitter with power and transmits the measurement signal to the output with galvanic isolation and high accuracy. In case a signal other than the 4 to 20 mA current loop signal is required, the repeater power supply provides various output signals which can be selected via DIP switches.
Of course, HART signals are transmitted unaltered. The width of just 6 mm also allows for the use of the repeater power supply in the tightest of spaces.

 

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