Product Details
Description
The ABB AI835 is a high-performance analog input module designed specifically for direct temperature measurement using thermocouples within the S800 I/O system. This 8-channel unit provides precise conversion of low-voltage millivolt signals from various thermocouple types into digital values for the AC 800M controller. It features sophisticated cold-junction compensation and electrical isolation, making it an essential component for high-temperature monitoring in industrial furnaces, boilers, and turbine applications where thermal accuracy is paramount.
Specifications
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Manufacturer: ABB
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Country of Origin: Switzerland
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Model Number: AI835
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Order Number: 3BSE008520R1
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Product Type: Thermocouple Analog Input Module
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Input Channels: 8 isolated channels
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Thermocouple Types: B, C, E, J, K, N, R, S, T
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Linear Voltage Input: -30 to +75 mV
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Resolution: 15-bit plus sign
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Weight: 0.2 kg
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Power Supply: 24V DC nominal
Features
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Cold Junction Compensation: Supports both internal and external CJC to ensure measurement accuracy regardless of terminal temperature fluctuations.
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Superior Signal Integrity: Advanced interference rejection filters protect sensitive millivolt inputs from high-frequency industrial noise.
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Safety Diagnostics: Continuous monitoring for open-circuit detection (sensor break) with automatic reporting to the control system.
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Galvanic Isolation: Provides individual isolation between field inputs and system logic to prevent ground loop interference and equipment damage.
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Software Configuration: Every channel can be independently programmed for specific thermocouple types or millivolt ranges through System 800xA.
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Compact Maintenance: Designed for hot-swap installation on standard S800 Module Termination Units, minimizing downtime during hardware service.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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