The ABB AI835A 3BSE051306R1 is an 8-channel S800 analog input module for thermocouples and mV signals. It features 0.1 μV resolution, cold junction compensation, and galvanic isolation for high-precision temperature monitoring in 800xA systems.
The ABB AI835A 3BSE051306R1 delivers high-performance signal acquisition for specialized temperature monitoring tasks. This 8-channel differential input module integrates perfectly with the Advant 800xA control platform. It primarily targets low-level voltage measurements from various thermocouple types and millivolt sources. Consequently, process engineers achieve superior thermal oversight in critical industrial applications.
This module features a rugged design suitable for distributed I/O architectures. It maintains signal purity through sophisticated filtering and galvanic isolation. Furthermore, the Swedish-manufactured hardware ensures long-term stability in high-demand automation environments.
The AI835A supports an extensive range of thermocouple standards. It compatible with types J, K, T, E, R, S, B, N, and C. For precise accuracy, the module allows one channel for cold junction compensation via a Pt100 RTD. This setup ensures temperature readings remain consistent despite ambient fluctuations at the terminal base.
A 24V DC power source drives the module with efficient energy consumption. Each input channel utilizes differential measurement to reject common-mode interference. Additionally, the unit provides continuous open-circuit detection to alert operators of sensor wiring failures. This proactive diagnostic capability significantly reduces the risk of undetected process deviations.
The module operates across a broad temperature range of -20 to +70 °C. It meets stringent EMC requirements for use in electrically noisy control rooms. Therefore, it remains a preferred choice for chemical processing and power generation sectors. The hardware facilitates rapid DIN rail mounting for streamlined cabinet assembly.
In summary, the 3BSE051306R1 module provides an essential interface for precision thermal data. Its combination of high resolution and robust isolation protects the central DCS from field-level faults. By implementing the AI835A, facilities ensure reliable data acquisition for their most sensitive process variables.
| Feature | Details |
| Brand | ABB |
| Model Number | AI835A |
| Order Number | 3BSE051306R1 |
| I/O Type | Thermocouple and Millivolt Input |
| Channel Count | 8 Differential Channels |
| Resolution | 0.1 μV |
| Input Range | ±100 mV (Standard) / ±200 mV |
| Weight | 1.08 kg |
| Dimensions | 18.5 x 8.5 x 30.5 cm |
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