The Schneider Electric 170AAI52040 is a Modicon Momentum distributed analog input module designed for high-precision data acquisition in industrial automation systems. It is engineered to convert low-level analog signals into accurate digital values for PLC processing, enabling stable monitoring and control of process variables such as temperature, pressure, and voltage.
With its 4-channel differential input architecture, this module is widely used in distributed control systems where signal accuracy, noise immunity, and compact design are critical. It supports multiple sensor types including thermocouples and RTDs, making it suitable for both general-purpose and process-heavy industrial environments.
This module is commonly deployed in decentralized automation architectures, where remote I/O acquisition improves system scalability and wiring efficiency.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | 170AAI52040 |
| Product Type | Distributed Analog Input Module |
| Series | Modicon Momentum |
| Number of Inputs | 4 differential analog inputs |
| Input Types | Voltage, thermocouple, RTD |
| Input Range | ±25 mV / ±100 mV |
| Resolution | 16-bit signed data |
| Accuracy | High precision (±21 µV typical at 25°C) |
| Update Time | ~500 ms |
| Channel Isolation | 400 V DC |
| Bus Isolation | 500 V AC (1 minute rating) |
| Common Mode Rejection | Up to 155 dB (industrial frequency dependent) |
| Signal Processing | Differential analog measurement |
| Diagnostics | 4 LED channel status indicators |
| Power Dissipation | ≤ 5.5 W |
| Power Requirement | 24 V DC system supply |
| Protection | Reverse polarity + internal fuse protection |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Weight | ~0.17 kg |
| Dimensions | Approx. 125 × 141.5 × 47.5 mm |
This module is designed for high-accuracy analog signal acquisition in distributed industrial control environments, ensuring stable performance even in electrically noisy conditions.
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