$ 302.91
Weidmuller UR20-4AI-RTD-DIAG 4-channel RTD input module with high accuracy, diagnostics, and stable temperature measurement for industrial automation systems.
The Weidmuller UR20-4AI-RTD-DIAG is a compact 4-channel RTD temperature input module designed for precise temperature acquisition in modern industrial automation systems. It enables accurate monitoring of resistance temperature sensors with high resolution and stable signal processing, even in environments affected by electrical noise. Built for the UR20 remote I/O system, the module combines a space-saving form factor with advanced diagnostics, helping engineers capture reliable temperature data while reducing wiring complexity and control cabinet footprint. Its wide sensor compatibility makes it suitable for applications where measurement accuracy and system reliability are essential.
The Weidmuller UR20-4AI-RTD-DIAG delivers dependable temperature measurement by supporting multiple RTD wiring methods, allowing accurate compensation of lead resistance in both short and long cable installations. Integrated channel-level diagnostics continuously monitor sensor condition and signal limits, enabling early fault detection and faster maintenance response. Configurable signal filtering and adjustable conversion times enhance measurement stability in electrically noisy environments. With galvanic isolation and straightforward integration into distributed I/O architectures, the module helps minimize downtime, simplify system commissioning, and maintain consistent temperature control in process automation, machinery, and energy systems.
Why UR20-4AI-RTD-DIAG?
The UR20-4AI-RTD-DIAG is built for engineers who need absolute confidence in temperature data. It combines high-resolution measurement with intelligent diagnostics, allowing multiple RTD sensors to be monitored accurately within a minimal footprint. Its ability to adapt to different wiring methods and suppress electrical interference makes it a practical choice for complex control cabinets where space, accuracy, and reliability must coexist without compromise.
What problem does it solve?
In many industrial systems, unreliable temperature signals lead to false alarms, poor process control, or unexpected shutdowns. The UR20-4AI-RTD-DIAG addresses these challenges by delivering stable, precise temperature readings while continuously checking sensor health. By detecting wiring faults, out-of-range values, and signal disturbances early, it helps prevent downtime, reduces troubleshooting effort, and ensures consistent thermal control across critical operations.
| Feature | Details | Benefit |
|---|---|---|
| Product Type | 4-channel RTD temperature input module | Enables simultaneous monitoring of multiple temperature points within a single compact module |
| Supported Sensors | Pt100, Pt200, Pt500, Pt1000, Ni, Cu10 and wide resistance ranges | Offers broad sensor compatibility, reducing the need for multiple module variants |
| Number of Inputs | 4 independent RTD channels | Improves system efficiency by handling multiple measurements in one module |
| Measurement Resolution | 16-bit | Delivers fine-grained temperature readings for precise process control |
| Measurement Accuracy | Up to 0.2% of full-scale range | Ensures reliable temperature data for quality-critical applications |
| Wiring Configurations | 2-wire, 3-wire, and 4-wire RTD connections | Allows accurate lead resistance compensation in short and long cable installations |
| Diagnostics | Module-level and individual channel diagnostics | Enables early detection of sensor faults, cable breaks, and abnormal values |
| Noise Suppression | Automatic 50/60 Hz interference suppression | Maintains stable measurements in electrically noisy industrial environments |
| Conversion Time | Adjustable from 36 to 240 ms | Balances response speed and signal stability based on application needs |
| Galvanic Isolation | Isolation between field and system bus | Protects control systems from voltage disturbances and improves signal integrity |
| Operating Temperature | -20 °C to +60 °C | Suitable for use in demanding industrial environments |
| Mechanical Design | Slim 11.5 mm width, DIN-rail mounting | Saves control cabinet space and supports high-density I/O layouts |
| Integration | UR20 remote I/O system compatibility | Simplifies system expansion and distributed I/O architecture design |
Download Weidmuller UR20-4AI-RTD-DIAG (1315700000) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4050118118872 |
| Weight | Approx. 91 g |
In chemical manufacturing, even small temperature deviations can affect reaction stability and product quality. The UR20-4AI-RTD-DIAG is used to collect temperature data from multiple RTD sensors installed on reactors, pipes, and heat exchangers. Support for multi-wire RTD connections helps compensate for lead resistance, maintaining accuracy across long cable runs. Integrated channel diagnostics continuously monitor sensor conditions, allowing operators to detect faults before they disrupt production. Stable signal processing and interference suppression ensure consistent readings, enabling precise control of heating and cooling stages while improving safety, reducing scrap, and supporting repeatable batch results.
Power generation systems depend on accurate temperature feedback to protect turbines, transformers, and auxiliary equipment from thermal stress. The UR20-4AI-RTD-DIAG allows multiple temperature points to be monitored with high resolution from a single compact module. Galvanic isolation protects control systems from voltage fluctuations common in energy environments. Adjustable measurement timing enables engineers to fine-tune responsiveness without sacrificing stability. By identifying abnormal temperature trends and sensor issues early, the module helps prevent equipment damage, extend service life, and maintain continuous, reliable power generation.
Automated production equipment generates heat that can lead to mechanical wear and accuracy loss if not properly monitored. The UR20-4AI-RTD-DIAG is applied to measure temperatures on motors, bearings, and tooling assemblies throughout the production line. Its slim design allows installation close to machines, minimizing wiring complexity. High measurement accuracy ensures small temperature changes are detected before performance is affected. Built-in diagnostics simplify maintenance by pinpointing sensor or wiring issues, supporting predictive maintenance strategies and reducing unexpected downtime in high-throughput manufacturing environments.
Industrial HVAC systems require reliable temperature data to maintain stable conditions across large facilities. The UR20-4AI-RTD-DIAG supports distributed RTD sensors placed in air ducts, chillers, and control zones. Noise-resistant measurement ensures stable readings despite nearby motors and drives. Flexible wiring options simplify system expansion and retrofits. Continuous monitoring and diagnostics help identify sensor degradation early, improving system reliability. Accurate temperature feedback enables efficient control of heating and cooling processes, helping facilities reduce energy consumption while maintaining consistent environmental conditions.
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