AI825 3BSE036456R1 Analog Input Module, 4-Channel | ABB S800 I/O

Overview

The ABB AI825 3BSE036456R1 is a 4-channel galvanic individually isolated analog input module designed for S800 I/O systems to measure and process flexible bipolar current and voltage signals from field instruments to process controllers.

Technical Specifications

• Product Type: Analog Input Module
• Part Number: 3BSE036456R1
• Model: AI825
• Mechanics: S800
• Number of Channels: 4
• Isolation: Individually isolated, channel-to-channel and to circuit common
• Signal Specification (Current): -20 to +20 mA, 0 to 20 mA, 4 to 20 mA
• Signal Specification (Voltage): -10 to +10 V, 0 to 10 V, 2 to 10 V
• Resolution: 14 bit plus sign
• Input Impedance (Voltage Input): 10 MΩ
• Input Impedance (Current Input): 50 Ω
• Under/Over Range: ±15%
• Maximum Error: 0.1%
• Temperature Drift (Voltage, 0 to 10V): Max. 47 ppm/°C
• Temperature Drift (Voltage, ±10V): Max. 34 ppm/°C
• Temperature Drift (Current, 0 to 20mA): Max. 78 ppm/°C
• Temperature Drift (Current, ±20mA): Max. 57 ppm/°C
• Input Filter Rise Time (Voltage Input): 115 ms
• Input Filter Rise Time (Current Input): 130 ms
• Update Cycle Time: < 10 ms
• Maximum Field Cable Length: 600 meters
• CMRR (50Hz, 60Hz): 120 dB
• NMRR (50Hz): > 40 dB
• NMRR (60Hz): > 55 dB
• Rated Insulation Voltage: 250 V
• Dielectric Test Voltage (Channel-to-Channel): 1900 V d.c.
• Dielectric Test Voltage (Channel-to-Ground/System): 3250 V d.c.
• Power Dissipation: Typ. 2.5 W, Max. 3.2 W
• Current Consumption +5 V Modulebus: Typ. 70 mA, Max. 100 mA
• Current Consumption +24 V Modulebus): Typ. 90 mA, Max. 110 mA
• Current Consumption +24 V External: 0 mA
• HART Communication Compatibility: Yes (Withstand)
• SOE: No
• Redundancy: No
• High Integrity: No
• Intrinsic Safety: No
• Compatible Module Termination Units (MTUs): TU811, TU813, TU831
• MTU Keying Code: DA
• Width: 45 mm
• Depth: 102 mm (111 mm including connector)
• Height: 119 mm
• Weight: 0.22 kg

Key Features

• Provides 4 channels featuring strict channel-to-channel individual galvanic isolation for premium signal integrity.
• Supports a versatile array of bipolar and unipolar current and voltage process ranges per channel.
• Utilizes high-resolution 14-bit plus sign conversion hardware for ultra-precise instrument tracking.
• Includes integral input shunt resistors designed to withstand up to 30 V d.c. overvoltage faults.
• Maintains uninterrupted technical performance while withstanding standard superimposed HART communication.

Installation Notes

• Mount the module onto a compatible S800 Module Termination Unit (MTU) including TU811, TU813, or TU831.
• Connect field measurement cabling to the designated MTU poles adhering to clear voltage or current channel layouts.
• Ensure grounding infrastructure complies fully with the 3250 V d.c. channel-to-ground dielectric isolation framework.
• Verify the MTU mechanical keying position is fixed precisely to code DA before inserting the module into place.