AI835A ABB | AI835 | Analog Input Module TC/MV

Technical Specifications for AI835A

• Brand/Series: ABB S800 I/O
• Model Variants: AI835 (standard) and AI835A (enhanced with additional thermocouple types).
• Input Signal Specification: -30 mV to +75 mV linear; thermocouple types B, C, D, E, J, K, L, N, R, S, T, and U.
• Resolution: 15 bits (A/D conversion).
• Input Impedance: >1 MΩ.
• Error Margin: Maximum 0.1%.
• Update Cycle Time: 280 ms + 80 ms/channel (50 Hz), 250 ms + 70 ms/channel (60 Hz).
• Power Dissipation: 1.6 W.
• Dimensions: Width: 45 mm; Depth: 111 mm (with connector); Height: 119 mm.
• Environmental Ratings: Operating temperature range 0 to +55 °C, storage temperature -40 to +70 °C, IP20 protection.
• Approvals: CE, UL, ATEX Zone 2, Marine Certifications (ABS, BV, DNV, LR).

FAQ

Q: What is the primary difference between AI835 and AI835A?
A: The AI835A supports additional thermocouple types (D, L, U) and enhanced configuration options compared to AI835.

Q: Can Channel 8 be used as a standard input channel?
A: Yes, if Cold Junction (CJ) temperature compensation is not required, Channel 8 functions like any other channel.

Q: What MTU models are compatible with AI835/AI835A?
A: Compatible MTUs include TU810, TU812, TU814, TU818, TU830, and TU833.

Q: Does the module support HART protocol?
A: No, HART communication is not supported on the AI835/AI835A.

Q: Is the module suitable for outdoor installations?
A: The module has an IP20 rating and is primarily designed for indoor use in industrial environments.

For more detailed information, please check official datasheet: Product-AI835A