ABB AI830 RTD Input Module 8-Channel Temperature

ABB AI830 Analog Input - RTD Module (3BSE008518R1)

Specialized 8-channel RTD input module for S800 systems, designed for precise temperature measurement with 3-wire RTD sensors including Pt100, Cu10, Ni100, and Ni120 types in industrial process control applications.

Core Features & Benefits

• Multi-RTD Support: Compatible with Pt100, Cu10, Ni100, Ni120 3-wire RTDs and resistive potentiometers
• High Channel Density: 8 isolated RTD inputs in compact form factor
• Excellent Noise Immunity: CMRR >120 dB and NMRR >60 dB for reliable measurements in noisy environments
• Group Isolation: All channels isolated from ground for enhanced safety and accuracy

Technical Specifications

• Article Number: 3BSE008518R1 AI830
• Channels: 8 RTD inputs
• Sensor Types: 3-wire Pt100, Cu10, Ni100, Ni120, resistive potentiometer
• Update Time: 150 + 95 * (active channels) ms
• Power Consumption: 1.6W (70mA +5V, 50mA +24V Modulebus)
• Operating Temperature: 0 to +55°C (40°C for vertical mounting)
• Isolation: Group isolated from ground (50V rated)
• Certifications: CE, cULus, ATEX Zone 2, Marine (ABS, BV, DNV, LR)

Measurement Performance

• Error Calculation: Dependent on field cable resistance with precise temperature error formulas
• Noise Rejection: >120 dB CMRR and >60 dB NMRR at 50/60 Hz
• Dielectric Strength: 500 V AC test voltage

Typical Applications

• Industrial temperature monitoring and control
• Process heating and cooling systems
• HVAC and building automation
• Multi-point temperature measurement applications

Frequently Asked Questions

What RTD types are supported?

The AI830 supports 3-wire Pt100, Cu10, Ni100, Ni120 RTDs and resistive potentiometers for flexible temperature measurement applications.

How many channels can be used simultaneously?

All 8 channels can operate simultaneously, with update time scaling based on the number of active channels for optimal performance.

What is the module's noise immunity capability?

With CMRR >120 dB and NMRR >60 dB, the module provides excellent rejection of common-mode and normal-mode interference in industrial environments.