Products Description
ABB AI950N 3KDE175523L9500 Temperature Input Module
The ABB AI950N is an industrial-grade temperature input module designed to deliver high-fidelity thermal signal acquisition for critical process control applications. It interfaces directly with thermocouples and resistance temperature detectors (RTDs), translating raw sensor readings into accurate digital data for ABB automation controllers. The module is optimized for environments with fluctuating temperatures and electrical noise, ensuring continuous, precise measurement without system disruption.
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Our address
32D Guomao Building, Siming District, Xiamen, Fujian, China
Phone Number(Whatsapp)
+86-18020714492
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Functional Role / System Position
Acting as a dedicated data acquisition node, the AI950N bridges field temperature sensors with central processing units in ABB PLC and DCS networks. By offloading analog-to-digital conversion from the main controller, it allows multiple channels of temperature data to be processed in real-time, supporting precise regulation of heating, cooling, and other thermally sensitive processes.
Key Features / Functional Capabilities
◆ Eight independent analog input channels with configurable ranges
◆ Direct support for multiple thermocouple types and RTDs
◆ Signal conditioning with isolation to reduce interference
◆ Real-time operational status via LED indicators
◆ Compact DIN rail-compatible design for modular installations
◆ Plug-and-play integration with ABB AI series controllers
Application Areas / Typical Use Cases
The AI950N module is deployed in industries where accurate temperature monitoring is essential:
- Thermal management in power generation and turbine systems
- Batch and continuous chemical processes requiring multiple temperature measurement points
- Food and beverage production lines where precise heat control ensures product quality
- Retrofitting existing ABB control networks to enhance temperature measurement accuracy
- Distributed monitoring in industrial plants with central data logging
Product Identification
| Parameter | Value |
|---|---|
| Model Number | AI950N |
| ABB Part Number | 3KDE175523L9500 |
| Module Type | Temperature input module |
| Number of Channels | 8 analog inputs |
| Sensor Compatibility | Thermocouples (J, K, T, etc.), RTDs (PT100, PT1000) |
| Measurement Range | -200°C to +850°C (depending on sensor type) |
| Accuracy | ±0.2% of full scale |
| Response Time | ≤50 ms |
| Channel Isolation | Yes, channel-to-channel and channel-to-ground |
| Mounting | DIN rail or ABB modular rack |
| Operating Temperature | 0°C – 60°C |
| Interface | ABB AI bus |
Installation / Handling
Install the AI950N in a stable, vibration-free control cabinet with adequate ventilation. Connect temperature sensors according to ABB wiring standards, ensuring correct polarity and shielding. Keep the module away from high-voltage power lines to avoid interference. Observe anti-static handling procedures during installation or maintenance.
Advantages / Value Highlights
By providing precise, high-resolution temperature measurements, the AI950N ensures optimized process control and minimal thermal deviation. Channel isolation and integrated LED indicators simplify troubleshooting and prevent signal errors. Its compact design supports easy integration in both new installations and retrofits, improving operational reliability across industrial environments.
Supply & Warranty Information
The ABB AI950N module comes with full technical documentation and installation instructions. One-year warranty is included, covering defects in materials and functional failures under normal industrial operation.
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Common problems
Q1: What temperature sensors are supported by AI950N?
It supports multiple thermocouple types, including J, K, T, and RTDs such as PT100 and PT1000.
Q2: How does the module maintain precision in electrically noisy environments?
Through channel isolation, high-resolution signal conditioning, and robust analog-to-digital conversion, it minimizes interference and ensures accurate readings.
Q3: Can multiple channels operate simultaneously without loss of accuracy?
Yes, all eight input channels can acquire and process signals concurrently with minimal deviation.
Q4: Is the module suitable for retrofitting legacy ABB control systems?
Yes, it can be integrated into existing AI bus networks to enhance thermal data collection.
Q5: What precautions are recommended during installation?
Install in a vibration-free, dry location, follow ABB wiring diagrams, maintain proper grounding, and avoid close proximity to high-current lines.
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