ABB|AI845-EA 3BSE023675R2|Analog Input Module
ABB AI845-EA 3BSE023675R2 Analog Input Module
Description
ABB AI845-EA is a high-precision 8-channel analog input module supporting voltage or current signals with HART pass-through and optional redundancy.
Features
- 8 configurable channels for 0–20 mA, 4–20 mA, 0–5 V, or 1–5 V inputs
- Supports single or redundant operation
- Built-in HART communication pass-through
- High input impedance: 10 MΩ (voltage), 250 Ω (current)
- Onboard diagnostics with fault and warning LEDs
- Current-limited transmitter power per channel
Technical Specifications
- Type: Analog Input Module
- Channels: 8 (groupwise isolated from ground)
- Resolution: 12-bit
-
Input Range:
- Current: 0–20 mA, 4–20 mA
- Voltage: 0–5 V, 1–5 V
- Overvoltage Protection: Up to 11 V DC non-destructive
- Isolation Voltage: 50 V rated, 500 V dielectric test
- Accuracy: Max error 0.1%, temperature drift 50 ppm/°C
- Update Cycle Time: 10 ms
- Filter Response Time: 290 ms rise time (0–90%)
- Noise Rejection (NMRR): >40 dB at 50/60 Hz
- Max Cable Length: 600 meters
- Power Dissipation: 3.5 W
- Current Draw: 100 mA @ +5 V, 50 mA @ +24 V
- External Supply Load: Up to 265 mA max
- Operating Temp: 0 to +55 °C
- Storage Temp: -40 to +70 °C
- Protection Class: IP20
- Certifications: CE, RoHS, WEEE, UL, ATEX, IECEx, marine approvals
- Dimensions: 45 mm (W) × 102 mm (D) × 119 mm (H)
- Weight: 0.23 kg
ABB|AI845-EA 3BSE023675R2|Analog Input Module

ABB|AI845-EA 3BSE023675R2|Analog Input Module
ABB AI845-EA 3BSE023675R2 Analog Input Module
Description
ABB AI845-EA is a high-precision 8-channel analog input module supporting voltage or current signals with HART pass-through and optional redundancy.
Features
- 8 configurable channels for 0–20 mA, 4–20 mA, 0–5 V, or 1–5 V inputs
- Supports single or redundant operation
- Built-in HART communication pass-through
- High input impedance: 10 MΩ (voltage), 250 Ω (current)
- Onboard diagnostics with fault and warning LEDs
- Current-limited transmitter power per channel
Technical Specifications
- Type: Analog Input Module
- Channels: 8 (groupwise isolated from ground)
- Resolution: 12-bit
-
Input Range:
- Current: 0–20 mA, 4–20 mA
- Voltage: 0–5 V, 1–5 V
- Overvoltage Protection: Up to 11 V DC non-destructive
- Isolation Voltage: 50 V rated, 500 V dielectric test
- Accuracy: Max error 0.1%, temperature drift 50 ppm/°C
- Update Cycle Time: 10 ms
- Filter Response Time: 290 ms rise time (0–90%)
- Noise Rejection (NMRR): >40 dB at 50/60 Hz
- Max Cable Length: 600 meters
- Power Dissipation: 3.5 W
- Current Draw: 100 mA @ +5 V, 50 mA @ +24 V
- External Supply Load: Up to 265 mA max
- Operating Temp: 0 to +55 °C
- Storage Temp: -40 to +70 °C
- Protection Class: IP20
- Certifications: CE, RoHS, WEEE, UL, ATEX, IECEx, marine approvals
- Dimensions: 45 mm (W) × 102 mm (D) × 119 mm (H)
- Weight: 0.23 kg