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AI845 3BSE023675R1
ANALOG I/O MODULE
In Stock
Product Describe：
3BSE023675R1
DISCONTINUED BY MANUFACTURER
I/O MODULE
ANALOG
8 INPUT CHANNELS
20 MA
HART COMMUNICATIONS
SINGLE ENDED
CURRENT LIMITED TRANSMITTER POWER DISTRIBUTION
ADVANCED ON-BOARD DIAGNOSTICS
The AI845 3BSE023675R1 is an 8-channel analog input module for the S800 I/O system. It is designed for connection of process signals such as 0(4)…20 mA and 0(1)…5 V, and supports HART communication pass-through. The module can be used in single or redundant configurations and is intended for distributed control systems such as ABB 800xA.
HART Support
8-Channel Input
Redundant Ready
The AI845 provides 12-bit resolution with a typical accuracy of approximately 0.1% of full scale. It includes current-limited transmitter power on each channel and galvanic isolation from ground, improving signal reliability and protection against disturbances. The module is designed to ensure stable analog signal acquisition in industrial environments.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ABB AI845 3BSE023675R1 ANALOG I/O MODULE Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil Gas
Used in upstream and downstream oil & gas processes to interface with field transmitters measuring flow, pressure, and temperature. Supports reliable signal acquisition in distributed control systems for continuous process monitoring.
Power Generation
Applied in power plants for monitoring critical analog signals such as turbine parameters, boiler conditions, and auxiliary systems. Ensures stable data input to control systems for safe and efficient operation.
Chemical Industry
Used in chemical processing plants to acquire signals from process instruments in continuous production environments. Supports integration with control systems for precise regulation and monitoring.
Pulp Paper
Applied in pulp and paper mills for monitoring process variables such as consistency, flow, and pressure across different production stages. Provides stable input signals for process control.
Water Treatment
Used in water and wastewater treatment plants to collect analog signals from level, flow, and quality sensors. Supports continuous monitoring and control of treatment processes.
Pharmaceutical
Applied in pharmaceutical production for monitoring critical process parameters under controlled conditions. Supports reliable data acquisition required for regulated manufacturing environments.
The module configuration is dependent on the selected Module Termination Unit (MTU). When using TU844 or TU845, each channel can be individually configured as either a voltage or current input; with other MTUs, all channels operate as voltage or current inputs.
The input circuits are designed to tolerate electrical variations, where “the voltage and current input is able to withstand an overvoltage or undervoltage of at least 11 V d.c.” In addition, the input resistance is specified as greater than 10 MΩ for voltage inputs and 250 Ω for current inputs, ensuring stable signal handling in field installations.
What are the main functions of ABB AI845 (3BSE023675R1)?
The AI845 is an 8-channel analog input module designed for the S800 I/O system. It supports acquisition of field analog signals and provides HART communication pass-through for smart transmitters. It can be used in both single and redundant configurations to increase system availability.
What input signal ranges and types does AI845 support?
The module supports both current and voltage inputs, including 0(4)…20 mA and 0(1)…5 V DC ranges. Each channel can be individually configured depending on the connected field device and selected MTU.
What are the accuracy and resolution specifications of ABB AI845?
The AI845 provides 12-bit resolution for analog conversion, with a typical accuracy of approximately 0.1% of full scale. This ensures stable and reliable signal acquisition for industrial process measurements.
Does AI845 provide power to field transmitters?
Yes, the module distributes current-limited transmitter power on each channel. This allows direct connection of loop-powered field devices without requiring external power supplies.
What isolation and safety characteristics does AI845 have?
The analog input group is galvanically isolated from ground, with a rated insulation voltage of 50 V. This design helps protect the system from electrical disturbances and improves overall signal integrity.
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