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Introduction — Precision Analog Data Acquisition for Modicon PLC Systems
The Schneider Electric 140CFA04000 is a high-performance Analog Input Module designed for Modicon automation platforms, including Quantum, Premium, and compatible rack PLC families. This module translates analog signals from field instruments into accurate digital data used by PLCs for monitoring, control, and process optimization. Built for industrial reliability, it ensures excellent signal fidelity in demanding environments such as manufacturing, energy, and process industries.
Technical Specifications
| Specification | Details |
|---|---|
| Model | 140CFA04000 |
| Module Type | Analog Input Module |
| Compatible Systems | Schneider Electric Modicon Quantum / Compatible PLC racks |
| Number of Channels | 4 analog input channels |
| Input Signal Types | 0–10 V, 4–20 mA (configurable per channel) |
| Resolution | 12-bit (typical) |
| Accuracy | ±0.1% of full scale |
| Input Impedance | Typically ≥ 250 Ω (mA) / ≥100 kΩ (V) |
| Sampling Rate | Channel-sequential, system dependent |
| Operating Temperature | 0 °C to +60 °C |
| Mounting | Backplane-mounted in compatible PLC rack |
| Dimensions (W×H×D) | 140 mm × 105 mm × 45 mm |
| Weight | ~0.75 kg |
| Isolation | Electrical isolation between channels and backplane |
| Protection | Overvoltage and surge protection on inputs |
| Construction | Industrial PCB with reinforced housing |
