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  • 3BSE051306R1-1
  • 3BSE051306R1
  • 3BSE051306R1-2
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AI835A

AI835A ABB - Thermocouple Module Cold Junction Compensation

In stock (26 units), ready to be shipped

  • Manufacturer: ABB

  • Product No.: AI835A

  • Product Type: Analog Input Module

  • Product Origin: SE

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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  • 24/7 Support
  • Quality Assurance

Description

ABB AI835/AI835A Thermocouple Input Module (3BSE051306R1)

Advanced 8-channel differential thermocouple and millivolt measurement module featuring configurable cold junction compensation and comprehensive wire-break detection for precision temperature monitoring applications.

Core Capabilities

  • Flexible Input Configuration: Supports -30 to +75 mV linear range and multiple thermocouple types including B, C, E, J, K, N, R, S, T (AI835A adds D, L, U)
  • Intelligent Cold Junction Compensation: Channel 8 configurable as CJ-channel with 4-wire Pt100 RTD or user-defined fixed temperature
  • High Precision Conversion: 15-bit resolution analog-to-digital conversion with >1 MΩ input impedance
  • Comprehensive Diagnostics: Continuous monitoring for wire-break open-circuit conditions and temperature limit alerts

Technical Specifications

  • Product Identification: 3BSE051306R1 AI835A 
  • Measurement Channels: 8 differential inputs
  • Signal Ranges: -30 to +75 mV linear, multiple thermocouple types
  • Conversion Resolution: 15-bit A/D
  • Measurement Accuracy: Maximum 0.1% error
  • Sampling Performance: 280-920 ms at 50 Hz, 250-810 ms at 60 Hz
  • Noise Immunity: 120 dB CMRR, >60 dB NMRR
  • Isolation Rating: 50V group isolation from ground

Cold Junction Compensation

  • Flexible CJ Configuration: Channel 8 serves as dedicated cold junction measurement channel
  • Multiple Measurement Options: Local MTU terminal sensing, remote connection unit, or fixed parameter value
  • Dual-purpose Channel: Channel 8 functions as standard input when CJ compensation not required

Electrical Characteristics

  • Power Requirements: 1.6W total (75mA +5V, 50mA +24V Modulebus)
  • Input Protection: 500V AC dielectric strength
  • Cable Distance: Supports up to 600 meter field wiring
  • Temperature Stability: Typical 5 ppm/°C, maximum 7 ppm/°C drift

Application Environments

  • High-temperature process monitoring
  • Industrial furnace and kiln control
  • Precision thermal processing systems
  • Multi-zone temperature profiling

Frequently Asked Questions

What thermocouple types are supported?

The module accommodates types B, C, E, J, K, N, R, S, T, with AI835A adding D, L, U compatibility.

How does cold junction compensation work?

Channel 8 can be designated as CJ-channel using 4-wire Pt100 RTD, remote sensing, or fixed temperature parameter.

What diagnostic monitoring is provided?

Continuous wire-break detection, reference channel monitoring, and CJ-temperature range validation.

For pricing and technical support, please contact: sale@etowonauto.com

🏷️ Tags: Analog Input Module

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  • Confirm the exact model, part number, and specifications before ordering.
  • Ensure compatibility with your current machinery or control systems.
  • Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
  • Review delivery options, lead times, and shipping requirements.
  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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