$ 241.27
Weidmuller UR20-8AI-I-16-DIAG-HD 8-channel 16-bit current input module with high accuracy, fast conversion, and built-in diagnostics for automation systems.
Weidmuller UR20-8AI-I-16-DIAG-HD high-accuracy 16-bit current input module is designed for precise acquisition of industrial current signals in modern automation systems. It provides eight analog input channels supporting 0–20 mA and 4–20 mA measurements with high resolution and stable performance. The module addresses the need for reliable, noise-resistant signal capture where process accuracy directly affects control quality and product consistency. Integrated diagnostics and compact u-remote design allow efficient system expansion while maintaining clear visibility of signal status in demanding industrial environments.
The UR20-8AI-I-16-DIAG-HD helps automation engineers maintain consistent measurement accuracy across multiple current-based sensors. High-resolution signal conversion ensures small process changes are detected early, supporting tighter control loops and improved process stability. Built-in diagnostics at both module and channel level simplify fault identification, reducing commissioning time and unplanned downtime. Flexible sensor wiring options minimize installation constraints, while internal sensor supply reduces the need for external components. This makes the module well suited for scalable, long-term automation projects requiring dependable performance and low maintenance effort.
Why UR20-8AI-I-16-DIAG-HD?
The UR20-8AI-I-16-DIAG-HD stands out when measurement accuracy, system transparency, and long-term reliability are non-negotiable. Its 16-bit resolution captures subtle current variations that lower-grade modules miss, while built-in diagnostics provide immediate insight into signal and wiring conditions. Combined with a compact u-remote form factor and flexible sensor wiring, it delivers precision without adding system complexity.
What problem does it solve?
In many automation systems, unstable or low-resolution current signals lead to poor control decisions, hidden faults, and time-consuming troubleshooting. The UR20-8AI-I-16-DIAG-HD eliminates these issues by delivering clean, high-resolution current measurements and continuous channel diagnostics. This ensures process data remains trustworthy, faults are detected early, and maintenance teams can act before minor signal problems become costly downtime events.
| Feature | Details | Benefit |
|---|---|---|
| Analog Input Type | Current input (0–20 mA, 4–20 mA) | Supports industry-standard current signals used by most industrial sensors |
| Number of Channels | 8 analog input channels | Enables high channel density, reducing module count and cabinet space |
| Resolution | 16-bit | Captures very small signal changes for precise process control |
| Measurement Accuracy | 0.1% FSR | Ensures reliable and repeatable measurement results |
| Conversion Time | 1 ms | Fast signal acquisition for responsive control systems |
| Sensor Connection | 2-wire, 3-wire, 3-wire + FE | Flexible wiring options for different sensor technologies |
| Integrated Sensor Supply | Powered directly from input current path | Eliminates external sensor power supplies and simplifies wiring |
| Channel Diagnostics | Individual channel and module-level diagnostics | Faster fault detection and reduced troubleshooting time |
| Status Indication | Dedicated LED per channel | Immediate visual feedback of signal and operating status |
| Galvanic Isolation | 500 V DC between current paths | Protects system electronics from electrical interference |
| Short-Circuit Protection | Yes | Improves system safety and long-term reliability |
| Reverse Polarity Protection | Yes | Prevents damage during installation or maintenance |
| Internal Resistance | 50 Ω | Optimized for stable current signal measurement |
| Fieldbus Compatibility | PROFINET, EtherCAT, Modbus/TCP, EtherNet/IP, PROFIBUS and more | Seamless integration into diverse automation architectures |
| Operating Temperature | -20 °C to +60 °C | Suitable for harsh industrial environments |
| Mounting Type | DIN rail (TS 35) | Quick installation and standardized panel layout |
| Module Width | 11.5 mm | Extremely compact design for high-density I/O systems |
Download Weidmuller UR20-8AI-I-16-DIAG-HD (1315720000) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4050118118827 |
| Net Weight | 74 g |
In chemical processing facilities, stable current signals from pressure, flow, and level transmitters are essential for maintaining safe and consistent operations. The UR20-8AI-I-16-DIAG-HD is commonly applied to collect 4–20 mA signals from instruments installed across reactors, storage tanks, and pipelines. Its 16-bit resolution enables detection of very small process fluctuations that may indicate early deviations or abnormal conditions. Integrated channel diagnostics assist maintenance teams in quickly locating wiring or sensor issues, while galvanic isolation protects control electronics from electrical interference typical in large industrial plants.
Water and wastewater treatment facilities depend on current-output sensors to monitor parameters such as flow rate, chemical dosing, turbidity, and pH levels. This module provides reliable signal acquisition even in environments with high electrical noise from pumps and motors. Fast signal conversion supports timely adjustment of dosing systems and valves, improving process stability. Individual channel indication simplifies routine maintenance, while flexible sensor wiring options allow seamless connection of both new and existing field devices. The result is more consistent treatment performance and reduced unplanned downtime.
In industrial power distribution systems, current transducers are used to track electrical loads, detect overload conditions, and support energy optimization initiatives. The UR20-8AI-I-16-DIAG-HD accurately captures these current signals, enabling precise monitoring of consumption trends across multiple feeders. High measurement accuracy ensures dependable energy data for analysis and reporting. Built-in diagnostics help identify signal loss or abnormal readings caused by wiring faults. Its compact design allows dense installation in control cabinets where space is limited, supporting scalable energy monitoring solutions.
Automated manufacturing lines rely on current-based sensors to monitor pressure, temperature, and force during critical production steps. This module delivers stable and repeatable measurements that allow control systems to respond accurately to changing process conditions. High-resolution signal capture improves quality control by revealing subtle variations that could impact product consistency. Integrated diagnostics shorten commissioning time when production lines are modified or expanded. By supplying sensor power internally, the module reduces wiring complexity and helps maintain high production efficiency with minimal maintenance disruption.
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