ABB AI845 3BSE023675R1 Analog input module
Specific Parameters
Brand ABB (Swiss Brand)
Product Series S800 I/O Series Analog Input Module
Product Type Industrial-grade 8-channel Single-ended Unipolar Analog Input Module
Model AI845 3BSE023675R1
Input Signal Range 0-20mA, 4-20mA, 0-5V, 1-5V DC
Number of Channels 8 channels, single-ended unipolar input
Resolution 12-bit
Measurement Error ±0.1%
Temperature Drift Maximum 50ppm/℃
Input Impedance 10MΩ (voltage input), 250Ω (current input)
Response Time (rise time 0-90%) 290ms
Update Cycle 10ms
Supported Protocol HART protocol pass-through
Power Supply Requirement Module bus +5V current 100mA, +24V current 50mA; external +24V maximum 265mA
Power Consumption 3.5W
Isolation Feature 8 channels as one group, isolated from ground
Anti-interference Ability NMRR (50Hz/60Hz) ＞40dB
Maximum Field Cable Length 600 meters
Operating Temperature Range -20℃ to +60℃
Storage Temperature Range -40℃ to +85℃
Relative Humidity 5% to 95%, No Condensation
Protection Level IP65
Physical Dimensions 119mm×45mm×102mm (Height×Width×Depth)
Physical Weight Approximately 0.2kg
Compatible Termination Units TU810, TU812, TU814, TU818, TU830, etc.
Product Performance
8-channel synchronous acquisition design, compatible with multiple types of analog input signals, 12-bit resolution combined with ±0.1% measurement accuracy, temperature drift controlled within maximum 50ppm/℃, which can accurately capture subtle changes of on-site industrial signals and ensure the accuracy of data collection.
Integrated HART protocol pass-through function, supporting communication with HART-compatible transmitters, and equipped with current-limited transmitter power distribution capability, simplifying on-site wiring and equipment connection, reducing system integration costs.
Groupwise isolation and high anti-interference design with NMRR ＞40dB can effectively resist electromagnetic interference in industrial fields, maintain acquisition stability in complex signal environments, and avoid signal distortion affecting control decisions.
The advanced on-board diagnostic system can real-time monitor internal module faults, channel faults and external power supply abnormalities, intuitively feed back status via LED indicators, facilitating quick problem location and reducing downtime for maintenance.
Supports both single and redundant operation modes, compatible with mainstream DCS systems such as 800xA, modular design for easy installation and expansion, maximum 600-meter field cable length adapting to long-distance signal acquisition scenarios.
Compliant with multiple international safety certification standards, IP65 protection level and wide temperature operating range adapt to harsh industrial environments, enabling long-term stable operation under high and low temperature, high humidity conditions with strong trouble-free operation reliability.
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