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ABB AI830A 3BSE040662R1 Analog Input Module - RTD

The ABB AI830A 3BSE040662R1, also cataloged as the AI830A Analog Input Module, provides direct temperature and resistance signal acquisition for ABB S800 I/O systems through RTD and resistive sensor interfaces.

Hardware Specifications

Parameter	Specification
Model	AI830A 3BSE040662R1
Brand	ABB
Product Type	Analog Input Module - RTD
System Platform	ABB S800 I/O
Origin	Sweden
Weight	0.24 kg
Dimensions	4.5 x 10.6 x 11.8 cm
Operating Temp	Not specified
Power Consumption	1.6 W
Signal Specification	3-wire RTD: Pt100, Cu10, Ni100, Ni120 and resistive potentiometer
Number of Channels	8
Resolution	14 Bit
Rated Insulation Voltage	50 V
Dielectric Test Voltage	500 V AC
CMRR at 50 Hz / 60 Hz	>120 dB at 10 ohm load
NMRR at 50 Hz / 60 Hz	>60 dB
Current Consumption +5 V Modulebus	70 mA
Current Consumption +24 V Modulebus	50 mA
Tariff Code	8537101190
Shipment Location	Xiamen, China

ABB S800 I/O Backplane and RTD Signal Processing

The AI830A module connects to the ABB S800 I/O architecture through ModuleBus communication and processes resistance-based sensor signals from field devices. The module supports 8 RTD input channels with 3-wire connection methods for temperature measurement applications.

Furthermore, the input circuits monitor sensor conditions including open circuit, short circuit, and grounded sensor states. The 14 Bit conversion resolution allows the module to provide detailed analog measurement data for controller processing.

The ABB S800 I/O platform uses modular I/O density scaling, allowing AI830A modules to integrate with distributed control configurations through standardized backplane communication. The module operates with defined ModuleBus power consumption values for system load calculation.

Frequently Asked Questions

Q: What type of sensors can the AI830A 3BSE040662R1 process?
A: The AI830A processes 3-wire RTD sensors including Pt100, Cu10, Ni100, Ni120, and resistive potentiometer inputs.

Q: How does the AI830A detect field sensor faults?
A: The module monitors input conditions and provides detection functions for open circuits, short circuits, and grounded sensor states.

Q: What is the power consumption requirement of the AI830A module?
A: The module consumes 70 mA from the +5 V ModuleBus supply and 50 mA from the +24 V ModuleBus supply, with 1.6 W power dissipation.

Field Installation Guidelines

• Install the AI830A module within the specified ABB S800 I/O mounting arrangement and verify ModuleBus connection alignment before power application.
• Connect RTD sensors using the recommended 3-wire wiring method to reduce lead resistance influence on measurement accuracy.
• Separate RTD signal cables from high-voltage power wiring and switching circuits to reduce electrical interference.
• Connect cable shields according to the site grounding practice and control system installation standards.
• Verify sensor polarity, channel assignment, and field wiring continuity before commissioning.
• Confirm ModuleBus power loading remains within the supported system configuration limits.

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