Core High-Precision Input for RTD and Thermocouple Signals
The Siemens 6ES5434-4UA12 is a 4‑channel analog input module for the SIMATIC S5 programmable logic controller family. This module delivers high‑precision signal acquisition for resistance thermometers (RTDs) and thermocouples. It is designed for high‑accuracy temperature measurement in demanding industrial control applications. Consequently, it is a critical component for processes requiring precise thermal monitoring.
Flexible Sensor Compatibility and Configuration
This module supports a wide variety of RTD sensor types, including Pt100 and Ni100. Its high‑precision design ensures excellent accuracy and stability, making it suitable for critical loops such as chemical reactor temperature control or semiconductor manufacturing. The 6ES5434-4UA12 offers individual channel configuration, allowing each input to be independently set for the specific sensor type. Moreover, its robust design ensures reliable performance in harsh industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer / Series | Siemens / SIMATIC S5 |
| Product Model | 6ES5434-4UA12 |
| Module Type | Analog Input Module |
| Number of Channels | 4 |
| Supported Sensors | RTD (Pt100, Ni100), Thermocouple (Types B, E, J, K, L, N, R, S, T, U) |
| Voltage Input Range | ±80 mV |
| Resolution | 16‑bit (via integrated 16‑bit A/D converter) |
| Integration Time | 20 ms (50 Hz suppression) / 16.67 ms (60 Hz suppression) |
| Input Resistance | >10 MΩ |
| Measurement Error (Voltage) | <0.1% of measuring range value |
| Isolation | 500V DC (between inputs and backplane) |
| Dimensions | 3.75 cm x 26.0 cm x 18.0 cm |
| Weight | approx. 0.7 kg |
| Product Status | Discontinued |
Application in Legacy System Support
Plant engineers use this module to maintain high‑accuracy temperature monitoring on existing S5 installations. Furthermore, it is a critical component for industries where these controllers remain in daily operation. The Siemens 6ES5434-4UA12 is essential for lifecycle management of classic Siemens automation platforms. Therefore, sourcing tested units is crucial for ensuring long‑term system reliability.
Details
| Weight | 0.15 kg |
|---|---|
| Dimensions | 215 × 135 × 10 mm |
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