The ABB AI830A (3BSE040662R1) functions as an 8-channel temperature monitoring interface board engineered for the S800 I/O subrack environment. It processes high-resolution data from 3-wire RTD assemblies and continuous resistive sensors.
Technical Specifications
Brand: ABB
Model Identification: AI830A
Part Reference Identifier: 3BSE040662R1
Product Classification: Analog Input RTD Interface Module
Channel Architecture: 8 independent active signal paths
Sensor Input Compatibility: 3-wire RTD including Pt100, Cu10, Ni100, Ni120 and variable resistive potentiometers
Data Transmission Interface: Integrated Modulebus connection architecture
Internal Component Refresh Rate: Calculated at 150 + 95 multiplied by the active channel count in milliseconds
Common Mode Rejection Ratio: Greater than 120 dB evaluated at 50Hz and 60Hz intervals with a 10 ohm baseline load
Normal Mode Rejection Ratio: Greater than 60 dB evaluated at 50Hz and 60Hz process frequencies
Insulation Potential Rating: 50 V continuous safe operational limit
Dielectric Testing Boundary: 500 V AC verification rating
Active Thermal Load: 1.6 W maximum operational heat dissipation
Modulebus Core Current Demand: 70 mA sourced from the +5 V rail and 50 mA from the +24 V line
Width: 45 mm
Height: 119 mm
Depth: 102 mm extending to 111 mm when factoring the terminal block connection depth
Net Weight: 0.22 kg
Industrial Application Scenarios
This compact S800 interface unit installs directly into automated field termination racks to continuously monitor motor stator winding temperatures, bearing oil reservoirs, and localized heat levels within power generation and water treatment facilities.
