ABB AI820 3BSE008544R1 Differential Analog Input Module

Overview

The AI820 3BSE008544R1 Analog Input Module provides four high-precision, bipolar differential inputs, capable of handling both voltage and current inputs. It is designed for use in industrial automation systems where high accuracy and isolation are essential. The module allows for seamless integration with external field devices, offering protection and communication capabilities like HART.

Key Specifications:

• Brand: ABB
• Model: AI820 3BSE008544R1
• Channels: 4
• Input Types: Differential, bipolar (current/voltage)
• Measurement Ranges: ±20 mA, 0-20 mA, 4-20 mA, ±10 V, 0-10 V, 2-10 V, ±5 V, 0-5 V, 1-5 V DC
• Input Impedance (Voltage): 200 kΩ ±25% (Common mode), 800 kΩ ±25% (Normal mode)
• Input Impedance (Current): 250 Ω
• Over/Under Range: ±15%
• Common Mode Voltage Input: 50 V DC
• Max. Differential DC Input (Fault): 30 V
• Max Field Cable Length: 600 meters (656 yd.)
• CMRR (Common Mode Rejection Ratio): 80 dB at 50 Hz/60 Hz
• NMRR (Normal Mode Rejection Ratio): 33 dB at 50 Hz/60 Hz
• Resolution: 14-bit with sign
• Temperature Drift (Current): Max 50 ppm/°C
• Temperature Drift (Voltage): Max 70 ppm/°C
• Update Cycle Time: <26 ms
• Current Consumption (24 V): 70 mA
• Current Consumption (5 V): 80 mA
• Power Dissipation: 1.7 W
• Input Filter Rise Time: 40 ms
• Module Termination Units: TU810, TU812, TU814, TU830
• Isolation: Groupwise isolated from ground
• Fusing: Available on the extended MTU for transmitter supply protection
• Dielectric Test Voltage: 500 V AC
• Rated Insulation Voltage: 50 V

FAQ:

Q1: Can the 3BSE008544R1 module handle both voltage and current signals simultaneously?
A1: Yes, it can handle both voltage and current differential inputs, providing flexibility for various sensor types.

Q2: What protection does the module offer for current inputs?
A2: The module features input shunt resistors rated to protect against accidental 30 V DC connections, with a 5-watt resistor rating for temporary protection.

Q3: What is the maximum field cable length supported?
A3: The 3BSE008544R1 module supports field cable lengths of up to 600 meters (656 yards).

Q4: Is the 3BSE008544R1 compatible with HART communication?
A4: Yes, it is designed to withstand HART communication, enabling interaction with smart field devices.