ABB | AI895 3BSC690086R1 | Analog Input Module

Product Description:

The AI895 Analog Input Module can directlyinterface 2-wire transmitters andwith a particular connection it can also interface 4-wire transmitters withoutlosing the HARTcapability. The AI895 Analog InputModule has 8 channels. The module includes Intrinsic Safety protection components on each channel for connection to process equipmentin hazardous areas withoutthe need for additional external devices. Each channel can power and monitor a two-wire process transmitter and HARTcommunication. The input voltage drop of the currentinputis typically 3 V, PTC included. The transmitter supplyfor each channel is able to provide atleast15 V at a 20 mA loop currentto power Ex certified process transmitters and is limited to 23 mA in overload conditions.
Features and benefits:
• 8 channels for 4...20 mA, single ended unipolar inputs.
• HARTcommunication. 

•1 group of 8 channels isolated fromground.
• Power and monitor for Ex certified two-wire transmitters.
• Non energy-storing analog inputs for externally powered sources. 

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