ABB AI893 3BSC690141R1 Analog Input Module

Overview

The ABB AI893 3BSC690141R1 is an 8-channel analog input module for S800 systems. It supports RTD and TC signals. Intrinsic safety ensures reliable operation in hazardous environments. The module provides high-resolution measurements with strong noise immunity. It suits industrial automation, process control, and safety-critical applications.

Technical Specifications

• Article Number: 3BSC690141R1

• Type: Analog Input

• Signal Specification: RTD or TC

• Number of Channels: 8

• Signal Type: Differential

• HART: No

• SOE: No

• Redundancy: No

• High Integrity: No

• Intrinsic Safety: Yes

• Mechanics: S800

Electrical Data

• Resolution: 15 bit + sign

• Input Impedance: >10 MΩ

• Isolation: Groupwise isolated from ground

• Error: TC/mV <20 µV; RTD 0-400 Ω <0.1 Ω; RTD 0-4000 Ω <1 Ω

• Temperature Drift: TC/mV <20 µV/10°C; RTD 0-400 Ω <0.1 Ω/10°C; RTD 0-4000 Ω <1 Ω/10°C

• Update Cycle Time: (Number of active channels × 125) + 125 ms

• Common Mode Voltage Input: ±5 V

• CMRR (50/60 Hz): >100 dB

• NMRR (50/60 Hz): >80 dB

• Rated Insulation Voltage: 50 V

• Dielectric Test Voltage: 500 V a.c.

• Power Dissipation: 0.5 W

• Current Consumption +5 V Modulebus: Typ. 90 mA, Max <125 mA

Diagnostics

• Front LEDs: F(ault), R(un), W(arning)

• Supervision: Open circuit and short circuit detection for RTD

Environmental & Certification

• CE Mark: Yes

• Electrical Safety: EN 61010-1, EN 61010-2-201

• Hazardous Location: ATEX/IECEx Zone 2, cFMus C1 Div 2, Div 1/Zone 0

• Operating Temperature: 0 to +55 °C (+32 to +131 °F)

• Storage Temperature: -40 to +70 °C (-40 to +158 °F)

• Pollution Degree: 2, IEC 60664-1

• Corrosion Protection: ISA-S71.04: G3

• Relative Humidity: 5 to 95 %, non-condensing

• Max Ambient Temperature: 55 °C vertical mounting, 40 °C compact MTU

• Protection Class: IP20 (IEC 60529)

• Mechanical Conditions: IEC/EN 61131-2

• EMC: EN 61000-6-4, EN 61000-6-2

• Overvoltage Categories: IEC/EN 60664-1, EN 50178

• Equipment Class: Class I (earth protected)

Compatibility & Dimensions

• Use with MTU: TU890, TU891

• Keying Code: BA

• Width: 45 mm (1.77”)

• Depth: 102 mm (4.01”), 111 mm (4.37”) with connector

• Height: 119 mm (4.7”)

• Weight: 0.16 kg (0.35 lbs.)