Phoenix Contact 2811446 Signal Conditioner – MACX MCR-UI-UI-NC

The Phoenix Contact MACX MCR-UI-UI-NC is a high-precision 3-way isolating amplifier offering safe electrical isolation and versatile signal conversion for industrial automation systems. Supporting over 1600 configurable signal ranges through front-facing DIP switches, this compact DIN rail module is a powerful tool for analog signal conditioning in safety-critical applications.

Pre-configured with 0–10 V input and 0–20 mA output, it is SIL-certified and ideal for both new and retrofit installations where flexible configuration and high isolation are essential.

Technical Specifications

Model: MACX MCR-UI-UI-NC
Part Number: 2811446
Product Type: Signal Conditioner / Isolating Amplifier
Input Signal Types: Voltage / Current (configurable)
Output Signal Types: Voltage / Current (configurable)
Power Supply: 12–24 V DC (nominal), 9.6–30 V DC (range)
Mounting Type: DIN rail (NS 35)
Dimensions (W × H × D): 12.5 × 112.5 × 113.7 mm

Input Characteristics

• Input Channels: 1
• Input Types: Configurable via DIP switches
• Voltage Ranges: ±50 mV to ±100 V, includes bipolar/unipolar signals
• Current Ranges: ±1 mA to ±100 mA (e.g. 0–20 mA, 4–20 mA)
• Min Input Signals: ±50 mV or ±1 mA
• Max Input Signals: ±100 V or ±100 mA
• Voltage Input Resistance: ~1 MΩ
• Current Input Resistance: ~10 Ω

Output Characteristics

• Output Channels: 1 (configurable)
• Voltage Outputs: 0–10 V, ±10 V, 2–10 V, etc.
• Current Outputs: 0–20 mA, 4–20 mA, ±20 mA, etc.
• Load Resistance (Voltage): ≥ 1 kΩ @ 10 V
• Load Resistance (Current): ≤ 600 Ω (active), passive ≤ (UB–2 V)/Ioutmax
• Ripple: < 10 mVrms

Signal Processing & Accuracy

• Max Transmission Error: ≤ 0.1% (final value)
• Zero/Span Adjustment: ±4%
• Limit Frequency (3 dB): 10 kHz (switchable to 30 Hz)
• Step Response: 35 µs (10 kHz), 11 ms (30 Hz)
• Temp Coefficient: 0.0075 %/K

Power & Isolation

• Nominal Supply Voltage: 24 V DC
• Power Consumption: ≤ 700 mW
• Power Dissipation: ~500–700 mW (typ.)
• Isolation: 3-way (input/output/power)
• Test Voltage: 2.5 kV AC, 60 s
• Rated Insulation Voltage: Up to 300 Vrms (per IEC/EN 61010-1)

Mechanical & Connection Data

• Connection Type: Screw terminals (M3)
• Conductor Size (Rigid/Flexible): 0.2–2.5 mm²
• AWG: 24–14
• Stripping Length: 7 mm
• Torque: 0.5–0.6 Nm

Environmental & Reliability

• Protection Class: IP20
• Operating Temperature: –20°C to +70°C (varies by altitude)
• Storage Temperature: –40°C to +85°C
• Humidity: 5% to 95% (non-condensing)
• Altitude Rating: Up to 5000 m (with derated voltage/temperature)
• Housing Material: PA 6.6-FR (flame retardant, gray RAL 7042)
• Shock Resistance: 30 g / 11 ms (per IEC 60068-2-27)
• Vibration Resistance: 5 g, 5–500 Hz (per IEC 60068-2-6)

Certifications & Standards

• Safety Standards: IEC/EN 61010-1, IEC/EN 60079-7
• Rated for SIL Applications: Yes
• Installation Categories: Overvoltage Cat II, Pollution Degree 2
• Explosion Protection: EPL Gc, Div. 2 (Ex environments)

Applications

Ideal For:

• Analog signal conversion with galvanic isolation
• Integration of legacy field signals into modern control systems
• Process instrumentation and automation requiring SIL safety
• Industrial signal conditioning in Ex-rated environments

Key Features & Benefits

✅ DIP-Switch Configuration: Over 1600 input/output combinations without software.

✅ High-Speed Response: 35 µs step time at 10 kHz bandwidth.

✅ Compact DIN Format: 12.5 mm width saves cabinet space.

✅ Safe Isolation: 2.5 kV test voltage ensures signal integrity.

✅ SIL Certified: Suitable for safety-critical environments.

📦 Available from Drive Outlet Megastore

The Phoenix Contact MACX MCR-UI-UI-NC is a versatile and compact solution for analog signal processing with galvanic isolation and safety approval. With fast setup, wide compatibility, and rugged reliability—it’s the signal conditioner of choice.

Need help choosing the right configuration? Contact our technical team.

Precision analog control starts here.