Brand name	ABB
Model	AI820
Product ID	3BSE008544R1
Condition	NEW
Gross weight	2.1kg
Packing size	201510cm
Payment Term	T/T
Warranty	1 year
Courier Partner	DHL, UPS, TNT, FedEx and EMS

Description:

The AI820 Analog Input Module has 4 differential, bipolar current/voltage inputs.

Each channel can be either a voltage or current input.

The current inputs can withstand an accidental maximum normal mode 30 V d.c. connection.

To protect the current input circuit against dangerous input levels, hat is, by accidentally connecting a 24 V source, the resistor rating of the 250W current sense resistors is about 5 Watts.

This is intended only to temporarily protect one channel at a time.

The module distributes the external transmitter supply to each channel.

This adds a simple connection (with extended MTUs) to distribute the supply to external 2 wire transmitters.

There is no current limiting on the transmitter power terminals.

All 4 channels are isolated from the ModuleBus in one group.

Power to the input stages is converted from the 24 V on the ModuleBus.

Features and benefits

• 4 channels for -20...+20 mA, 0...20 mA, 4...20 mA, -10...+10 V, 0...10 V, 2...10 V, -5...+5 V, 0...5 V, 1...5 V d.c. bipolar differential inputs

• One group of 4 channels isolated from ground

• 14 Bit resolution plus sign

• Input shunt resistors protected to 30 V d.c.

• The input withstand HART communication

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