ABB AI815 3BSE052604R1 S800 I/O 8 Channel Current Type Analog Input Module 0…20 MA

ABB AI815 3BSE052604R1 S800 I/O 8-channel Current Analog Input Module 0…20 MA

I. Product Overview
The ABB AI815 is an 8-channel current-type analog input module in the S800 I/O series, designed for high-precision and high-reliability process control. Each AI815 supports dual ranges of 0…20 mA and 4…20 mA with up to 16-bit resolution. It features a built-in HART 7.0-compatible port for direct connection to smart transmitters, enabling remote diagnostics and asset management. Its compact 32 mm module width and hot-swappable design make system expansion and maintenance simpler and more economical.

II. Core Advantages
1. High-Precision Measurement
– 16-bit A/D conversion, typical accuracy ±0.1%
– Independent 50 Hz/60 Hz power frequency rejection for each channel, > 90 dB field noise rejection

2. Dual-Range Adaptation
– Software-Switchable 0…20 mA or 4…20 mA, No Jumpers Required
– Wire Break Detection and Open Circuit Alarm ≤ 1 second

3. HART 7.0 Compatibility
– Supports multi-drop topology, up to 15 HART devices per channel
– Online parameter read/write, reducing downtime and commissioning time

4. Industrial-Grade Reliability
– Operating Temperature –40°C…+70°C, 5g Vibration Resistance, 10g Shock Resistance
– MTBF > 500,000 h (MIL-HDBK-217F Ground-Mounted Environment)

5. Easy-Maintenance Design
– DIN rail hot-swappable, online replacement in < 30 seconds
– Module ID chip automatically recognized, no reconfiguration required

III. Technical Parameters
• Order Number: 3BSE052604R1
• Channels: 8 differential inputs
• Input range: 0…20 mA / 4…20 mA (configurable)
• Resolution: 16 bits + sign bit
• Sampling period: 8 ms for all channels
• Communication interface: ModuleBus 20 Mbit/s, HART FSK 1200 bit/s
• Isolation: Channel-to-bus 2.5 kV AC, channel-to-channel 500 V AC
• Power supply: 24 V DC (18…32 V), power consumption 3.5 W
• Dimensions: W 32 × H 119 × D 136 mm
• Approvals: CE, UL, cULus, ATEX Zone 2. IECEx, SIL2/PL d

IV. Typical Applications
• Petrochemical: Reactor pressure, temperature, and flow rate acquisition
• Power plant auxiliary control: Drum water level, deaerator level, flue gas analysis
• Fine chemicals: Batch reactor ingredient weight and mass flow
• Water treatment: Dosing pump flow, dissolved oxygen, and turbidity monitoring

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