
Overview of the Schneider Electric 170AAI52040
The Schneider Electric 170AAI52040 is a high-performance analog input base designed for the Modicon Momentum automation platform. It provides four differential input channels, enabling accurate and reliable signal acquisition in demanding industrial environments. With a full 16-bit signed data format and a 500 ms update time, this module delivers precise, timely data for your control systems.
Built with robust isolation and a wide operating temperature range, the 170AAI52040 ensures dependable operation in diverse applications, from manufacturing to process control. Whether you are upgrading an existing system or building a new one, this analog input base offers the performance and durability you need.
Key Features and Benefits
- 4 Differential Channels: Enhanced noise immunity and accurate measurement of low-level signals.
- Full 16-Bit Signed Data Format: High resolution for precise analog-to-digital conversion.
- Fast Update Time: 500 ms refresh rate ensures timely data for real-time control.
- Robust Isolation: 400V DC between channels, 500V AC between channels and ground, and 500V between channels and bus for reliable performance in harsh electrical environments.
- Wide Temperature Range: Operates from 0°C to 60°C, with storage from -40°C to 85°C.
- Reverse Polarity Protection: Internal protection safeguards the module from wiring errors.
- High Humidity Tolerance: Withstands up to 95% relative humidity without condensation.
Technical Specifications
| Manufacturer | Schneider Electric |
| Product Line | Modicon Momentum |
| Part Number | 170AAI52040 |
| Product Type | Analog Input Base |
| Number of Channels | 4 |
| Analog Input Type | Differential |
| Data Format | Full 16 Bits Signed |
| Update Time | 500 ms |
| Isolation Between Channels | 400V DC for 1 Minute |
| Isolation Between Channels and Ground | 500V AC for 1 Minute |
| Isolation Between Channels and Bus | 500V for 1 Minute |
| Operating Temperature Range | 0°C to 60°C |
| Storage Temperature Range | -40°C to 85°C |
| Reverse Polarity Protection | Internal |
| Maximum Relative Humidity | 95% Without Condensation |
| Dimensions (H x W x D) | 4.9 in x 5.6 in x 1.9 in (125 mm x 141.5 mm x 47.5 mm) |
| Net Weight | 0.474 lb (0.215 kg) |
| Marking | CE |
| Country of Origin | ID |
Comparison with Similar Analog Input Modules
When selecting an analog input module for your Modicon Momentum system, it's helpful to compare options. Below is a comparison of the 170AAI52040 with other common analog input modules:
| Feature | 170AAI52040 | Typical 8-Channel Analog Input | Typical RTD Input Module |
|---|---|---|---|
| Number of Channels | 4 | 8 | 4 or 8 |
| Input Type | Differential | Single-ended or Differential | RTD (Resistance Temperature Detector) |
| Data Format | Full 16-bit signed | 12-bit or 16-bit | 16-bit |
| Update Time | 500 ms | Varies (e.g., 100 ms to 1 s) | Varies |
| Isolation | 400V DC between channels, 500V AC to ground/bus | Often 500V AC to ground | Often 500V AC to ground |
| Typical Use | General analog signals (voltage/current) | High-density analog monitoring | Temperature sensing |
The 170AAI52040 stands out for its robust channel-to-channel isolation and high resolution, making it ideal for applications where signal integrity is critical.

Applications
The 170AAI52040 is suitable for a wide range of industrial applications, including:
- Process control (temperature, pressure, flow)
- Machine automation
- Data acquisition systems
- Building automation
- Test and measurement equipment
Why Choose UbestNine?
At UbestNine, we specialize in providing new and refurbished industrial automation parts. We understand the importance of quality and reliability in your operations. Our inventory includes the Schneider 170AAI52040 and many other Modicon Momentum components. With our competitive pricing and fast shipping, you can minimize downtime and keep your systems running smoothly.
Ordering Information
Ready to purchase the Schneider 170AAI52040? Visit our website or contact our sales team for availability and pricing. We offer flexible options to meet your needs, whether you require a single unit or bulk quantities. Ensure your automation system operates at peak performance with genuine Schneider Electric parts from UbestNine.

Frequently Asked Questions
What is the update time of the 170AAI52040?
The update time is 500 ms, providing timely data for control loops.
Does the 170AAI52040 support differential inputs?
Yes, it features four differential analog input channels, which improve noise rejection.
What is the isolation rating between channels?
Each channel is isolated with 400V DC for one minute, ensuring safe operation in high-potential environments.
Can the 170AAI52040 be used in humid environments?
Yes, it can operate in up to 95% relative humidity without condensation.
Conclusion
The Schneider Electric 170AAI52040 analog input base is a reliable and precise solution for your analog signal acquisition needs. With its robust design, high-resolution data format, and strong isolation, it is well-suited for demanding industrial applications. Order yours today from UbestNine and experience quality and service you can trust.