Description
Phoenix Contact MACX MCR-UI-UI-NC Configurable 3-Way Isolating Amplifier
Technical Specifications
- Product Model: MACX MCR-UI-UI-NC
- Brand: Phoenix Contact
- Series: MACX Analog Signal Conditioning Module
- Warranty: One Year
- Input Voltage: 12–24 VDC (-20% ~ +25%)
- Operating Temperature: -20 °C to +70 °C
- Storage Temperature: -40 °C to +85 °C
- Response Time: 35 µs (10 kHz bandwidth) / 11 ms (30 Hz low-pass filter)
- Protection Class: IP20, DIN rail cabinet mounting
- Accuracy Class: Max. ≤0.1% full-scale transmission error
- Output Frequency: Selectable 30 Hz / 10 kHz bandwidth
- Rated Current Range: Supports standard analog signals: 0/4–20 mA, 0–10 V, ±100 mV~±100 V
- Communication Interface: Screw terminal connections for field input, output and power
- Supported Signal Types: Current and voltage analog signals; active/passive output mode
- Overload Capacity: Built-in transient voltage suppression, short-circuit protection on signal ports
- Dimensions: 12.5 mm × 99 mm × 114.5 mm (ultra-slim 12.5mm housing)
Product Overview
The MACX MCR-UI-UI-NC is a single-channel three-way galvanically isolated signal conditioner designed for industrial analog measurement circuits. It provides safe isolation between field sensors, power supply and control system to eliminate ground loop interference and suppress electrical noise. Front-mounted DIP switches enable configuration of over 1600 input/output signal conversion combinations without software tools. This module supports both active and passive analog outputs, compatible with standard 4–20 mA and 0–10 V instrumentation signals. It holds SIL 2 functional safety certification and meets ATEX Zone 2 requirements, suitable for hazardous industrial environments. Instrumentation and maintenance teams stock this spare unit to stabilise analog signal transmission, reduce measurement distortion and protect PLC/DCS analog input cards from surge damage.
Application Scenarios
- Petrochemical Process Plants: Isolates flow, pressure and level transmitter signals routed to DCS systems. Galvanic isolation eliminates ground loop noise common in long field cable runs and protects control hardware from voltage transients.
- Water & Wastewater Facilities: Conditions analog signals from pumps, turbidity sensors and level probes. Flexible signal conversion adapts legacy sensor outputs to standardised 4–20mA inputs for modern PLC control systems.
- Power Generation & Substations: Processes vibration, temperature and generator auxiliary measurement signals. SIL 2 compliance supports safety-related monitoring loops on turbine and generator supervisory systems.
- Manufacturing Automation Production Lines: Conditions speed, tension and position sensor feedback for motion controllers. Slim DIN rail form factor saves cabinet space for densely packed MCC and control panels.
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