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ABB AI801 3BSE020512R1 Analog Input Module

The ABB AI801 3BSE020512R1, also cataloged as the AI801 Analog Input Module, provides 8-channel current signal acquisition for ABB S800 I/O system platforms. It converts 0 to 20 mA field signals into 12-bit digital values for industrial control processing.

Hardware Specifications

Parameter	Specification
Model	AI801 3BSE020512R1
Brand	ABB
Product Type	Analog Input Module
System Platform	ABB S800 I/O
Origin	Sweden
Weight	0.25 kg
Dimensions	13.5 x 9.2 x 5 cm
Operating Temp	-25 deg C to +70 deg C
Power Consumption	Not specified
Number of Input Channels	8
Input Signal Type	0 to 20 mA
Nominal Input Current	0 to 20 mA
Resolution	12-bit
Input Impedance	250 ohm
Input Voltage Drop	Maximum 5 V
Scanning Time	10 ms per channel
Accuracy	+/- 0.1% of full-scale range
Product ID	3BSE020512R1
Customs Tariff Number	8537101190

ABB S800 I/O Integration and Industrial Communication

The AI801 module operates as an ABB S800 I/O analog acquisition unit with direct integration into ABB industrial control architectures. It processes current loop signals through dedicated input channels and transfers converted values through the I/O backplane communication path.

Additionally, ABB S800 I/O modules support structured I/O density scaling through modular backplane architectures. The AI801 design allows engineering teams to configure multiple analog input points while maintaining standardized cabinet layouts and service procedures.

The module receives 0 to 20 mA signals from field transmitters and instruments. Furthermore, its 12-bit conversion resolution provides digital measurement data for controller-level monitoring and regulation functions.

Frequently Asked Questions

Q: How many analog input channels does the ABB AI801 3BSE020512R1 provide?
A: The AI801 provides 8 analog input channels configured for 0 to 20 mA current signals.

Q: What input impedance does the AI801 analog input channel use?
A: Each input channel has an input impedance of 250 ohm for current signal measurement.

Q: What installation conditions should be considered for this module?
A: The module should be installed in an ABB S800 I/O environment with correct backplane connection, proper grounding, and suitable cabinet ventilation according to system installation requirements.

Field Installation Guidelines

• Install the AI801 module on the designated ABB S800 I/O mounting unit and verify correct mechanical locking before operation.
• Connect field current loops using shielded industrial wiring where required by the installation environment.
• Terminate cable shields according to site grounding practices to reduce electrical interference.
• Separate analog signal wiring from high-voltage power cables and switching circuits.
• Verify input polarity and current loop continuity before applying system power.
• Confirm controller configuration parameters match the AI801 channel settings before commissioning.

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