ABB|AI835 3BSE051306R1|Analog Input Module

ABB AI835 Analog Input Module

The ABB AI835 (3BSE051306R1) is an 8-channel analog input module for thermocouple and mV signal measurements.

Description
Designed for precise temperature and millivolt measurement, this module supports multiple thermocouple types and linear mV ranges with high resolution and isolation.

Features

• 8 differential input channels
• Supports TC Types B, C, E, J, K, N, R, S, T; AI835A also D, L, U
• Channel 8 configurable as Cold Junction (CJ) sensor
• 15-bit resolution
• Open-circuit detection
• Compatible with TU810, TU812, TU814, TU818, TU830, TU833 MTUs

Technical Specifications

• Input ranges: -30 mV to +75 mV linear or thermocouples
• Cold junction measurement: via channel 8 with Pt100 RTD or fixed value
• Resolution: 15 bits
• Input impedance: >1 MΩ
• Isolation: Groupwise isolated from ground
• Accuracy: Max error 0.1%
• Temperature drift: Typ. 5 ppm/°C, max 7 ppm/°C
• Update cycle time:
  • 280 + 80 × active channels (ms) at 50 Hz
  • 250 + 70 × active channels (ms) at 60 Hz
• Max field cable length: 600 meters
• CMRR: 120 dB at 50/60 Hz (10Ω load)
• NMRR: >60 dB
• Rated insulation voltage: 50 V
• Dielectric test voltage: 500 V AC
• Power dissipation: 1.6 W
• Current consumption:
  • +5 V Modulebus: 75 mA
  • +24 V Modulebus: 50 mA
• Operating temperature: 0 to +55 °C
• Storage temperature: -40 to +70 °C
• Humidity: 5–95%, non-condensing
• Dimensions:
  • Width: 45 mm
  • Depth: 102 mm / 111 mm with connector
  • Height: 119 mm
• Weight: 0.22 kg