Phoenix Contact MINI MCR-2-U-UI Signal Conditioner

$ 229.31

Discover the Phoenix Contact MINI MCR-2-U-UI, a compact 3-way signal conditioner for precise isolation, conversion, and reliable industrial automation.

Product Description

Phoenix Contact MINI MCR-2-U-UI Signal Conditioner – Compact 3-Way Isolation

The Phoenix Contact MINI MCR-2-U-UI signal conditioner (2902019) is engineered to ensure reliable isolation and conversion of analog signals in industrial systems. It handles voltage inputs from millivolts up to 30 volts and provides outputs in standard current or voltage ranges. Designed for precision, it eliminates interference, minimizes ground loop issues, and maintains consistent accuracy in critical environments. With its compact 6.2 mm housing and advanced configuration options, this module is ideal for applications where space savings and reliable signal integrity are essential.

The MINI MCR-2-U-UI improves industrial processes by filtering, amplifying, and safely transmitting sensitive signals between field devices and control systems. Engineers benefit from a highly flexible design that supports multiple input and output ranges, making it suitable for varied monitoring and automation tasks. Its slim DIN-rail format saves valuable panel space while maintaining robust performance. Integrated fault monitoring and intuitive configuration features provide additional security and ease of use. By combining durability, accuracy, and adaptability, this signal conditioner helps ensure smooth operation in process automation, energy systems, and other demanding applications.

Why Phoenix Contact MINI MCR-2-U-UI?

The Phoenix Contact MINI MCR-2-U-UI is more than just a signal conditioner — it is a precision tool designed to maintain signal integrity in demanding industrial environments. Its ability to isolate, amplify, and convert a wide range of analog signals ensures that engineers can rely on accurate data across their control systems. With a slim 6.2 mm profile and universal configurability, it saves space while delivering performance that adapts to modern automation needs.

What Problem Does It Solve?

In many industrial settings, analog signals are exposed to noise, interference, and ground loops that can compromise system stability. The MINI MCR-2-U-UI solves this by providing reliable 3-way isolation between input, output, and power supply, ensuring safe and error-free transmission. It converts weak or varying sensor signals into standardized outputs that controllers and monitoring systems can process. This eliminates measurement errors, reduces downtime, and enhances the overall efficiency of automation processes.

 


Key Features & Specifications – Phoenix Contact MINI MCR-2-U-UI: 2902019

Feature Details Benefit
Electrical Isolation 3-way isolation up to 300 Vrms Protects systems from ground loops and interference
Input Signal Range ±50 mV to ±30 V Flexible configuration for diverse sensor signals
Output Signal Options ±10 V, 0/4–20 mA Standardized outputs for controllers and monitoring systems
Accuracy ≤ 0.1% transmission error Ensures precise measurement and stable signal conversion
Response Time < 8.5 ms (30 Hz filter) Fast and accurate response for dynamic processes
Configuration DIP switches, NFC support Simplifies commissioning and parameter setup
Housing Width 6.2 mm Saves panel space, allowing high-density installation
Operating Temperature -40 °C … +70 °C Designed for harsh industrial and outdoor conditions
Certifications CE, ATEX, IECEx, UL, DNV GL Approved for global use across industries including marine and hazardous areas

Download Phoenix Contact MINI MCR-2-U-UI 2902019 Datasheet

 


Commercial Data – Phoenix Contact MINI MCR-2-U-UI: 2902019

Commercial Data Details
GTIN Number 4046356649674
Tariff Number 85437090
Weight (Excl. Packing) 74.43 g
Country of Origin Germany

 


The Applications of the Phoenix Contact MINI MCR-2-U-UI

1. Precision Temperature Monitoring in Chemical Processing

Chemical plants rely on accurate temperature measurements to regulate reactions and prevent safety hazards. Thermocouples and RTDs generate very small signals that can be distorted by noise during transmission. The MINI MCR-2-U-UI amplifies and isolates these signals, ensuring stable readings even over long distances. Its wide input range and low error rate allow operators to maintain precise control, improve process reliability, and reduce costly downtime caused by inaccurate sensor data.

2. Flow Control in Water Treatment Systems

Water treatment facilities often use flow meters that output low-level voltage or current signals. These signals can be affected by interference from pumps and motor drives, making flow data unreliable. By conditioning and isolating the signals, the MINI MCR-2-U-UI delivers clean, standardized outputs to the control system. This enables continuous monitoring of water flow, early detection of blockages, and efficient operation of pumps. The result is consistent water quality and optimized energy usage across the plant.

3. Solar Energy String Monitoring

Large solar installations depend on monitoring each panel string to detect faults or drops in performance. High common-mode voltages and environmental noise can distort raw signals, leading to missed failures. The MINI MCR-2-U-UI provides galvanic isolation and configurable input ranges, allowing safe and accurate voltage conversion for each string. By sending precise output to the supervisory control system, operators gain early visibility into faults or degradation. This extends equipment life and ensures maximum energy yield from the solar array.

4. Machine Tool Vibration and Load Detection

In advanced manufacturing, vibration and load sensors help monitor machine tool health and product quality. These sensors often generate weak millivolt signals that are easily disrupted by nearby power electronics. The MINI MCR-2-U-UI filters and strengthens these signals, while its isolation safeguards sensitive equipment from electrical interference. Reliable transmission of sensor data allows predictive maintenance systems to react faster, reducing unplanned stoppages and ensuring consistent product output. This leads to improved productivity and lower operating costs in demanding industrial environments.

 


Related Products & Accessories – Phoenix Contact MINI MCR-2-U-UI

Category Model Name Part Number Benefits
DIN Rail Bus Connector ME 6,2 TBUS-2 1,5/5-ST-3,81 GY 2695439 Bridges supply voltage across modules, simplifies power distribution
ME 6,2 TBUS-2 1,5/5-ST-3,81 GN 2869728 Gold-plated contacts for durable and secure signal transfer
Module Carrier TC-D37SUB-AIO16-MP-PS-UNI 2906640 Connects 16 signal conditioners to I/O cards with HART multiplexer support
TC-D37SUB-ADIO16-MP-P-UNI 2906639 Simplifies wiring and integration for up to 16 units
System Adapter MINI MCR-2-V8-FLK 16 2901993 Quick connection of 8 signal conditioners to controllers
Communication Module MINI MCR-2-V8-MOD-RTU 2905634 Integrates with Modbus/RTU networks
MINI MCR-2-V8-MOD-TCP 2905635 Enables Modbus/TCP connectivity via Ethernet
MINI MCR-2-V8-PB-DP 2905636 PROFIBUS DP integration for legacy automation systems
MINI MCR-2-V8-PN 2905637 PROFINET communication for modern automation networks
Connector Set FASTCON PRO-SET 2906227 Screw-type plug set for flexible and reliable connections
FASTCON PRO-SET-PT 2906228 Push-in plug set for fast, tool-free installation
Power & Monitoring MINI MCR-2-PTB 2902066 Power terminal block with screw connection for supply distribution
MINI MCR-2-PTB-PT 2902067 Power terminal block with push-in connection for quick wiring
QUINT4-SYS-PS/1AC/24DC/2.5/SC 2904614 24 V DC QUINT power supply ensures reliable operation
MINI MCR-2-FM-RC 2904504 Fault monitoring module with screw connection, tracks errors
MINI MCR-2-FM-RC-PT 2904508 Fault monitoring module with push-in connection, simplifies wiring
Tool SZS 0,6X3,5 Screwdriver 1205053 Actuation tool for terminal blocks, safe and ergonomic handling

 


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