Keyence MU-N11 Multi-Sensor Controller

The MU-N11 is an industrial-grade multi-sensor controller designed for reliable and efficient sensor management. Whether you need high-speed data acquisition, process monitoring, or precision control, the MU-N11 provides flexibility, scalability, and robust protection for various automation environments.

Technical Specifications

Model: MUN11
Type: Multi-Sensor Controller (Main Unit)

I/O & Expansion Capabilities

• Response Time: Varies depending on the connected sensor model ¹
• Expansion Capability: Supports up to 4 expansion units ²

Control Output:

• Max. Outputs: 4
• Type: NPN open collector / PNP open collector selectable
• Voltage: 24V or less
• Current Capacity:
  • Main Unit: 50 mA or less ³
  • Expansion Unit: 20 mA or less
• Residual Voltage: 2V or less
• NO/NC Selectable: Yes ¹ ⁴

External Input:

• Max. Inputs: 5
• Short-Circuit Current:
  • NPN: 1 mA or less
  • PNP: 2 mA or less
• Voltage Application: Refer to wiring diagrams (Page 3 of the instruction manual) ¹ ⁴

Analog Output:

• Max. Outputs: 1
• Type: Selectable between Current or Voltage Output
• Current Output: 4 to 20 mA, Max. load resistance 450 Ω
• Voltage Output: 0 to 10V, External load resistance 5 kΩ or more ¹ ⁴

Protection & Power Supply

• Protection Circuits:
  • Reverse Power Connection Protection
  • Power Supply Surge Protection
  • Output Overcurrent Protection
  • Output Surge Protection
  • Reverse Output Connection Protection
• Power Voltage: 24 VDC, Ripple (P-P) 10% or less, Class 2 or LPS
• Current Consumption: 70 mA or less (without load) ⁵

Sensor Connection Specification:

• Allowable Sensor Current: 150 mA or less

N-Bus Connection Specification:

• Allowable Passing Current: 1200 mA or less

Environmental Resistance

• Operating Temperature: -20 to +50°C (No Freezing)
• Relative Humidity: 35 to 85% RH (No Condensation)
• Vibration Resistance: 10 to 55 Hz, Double Amplitude 1.5 mm, 2 Hours in X, Y, and Z Directions
• Shock Resistance: 1,000 m/s², 6 Times in X, Y, and Z Directions

Material & Construction

• Case & Dust Cover: Polycarbonate
• Buttons: Polyacetal
• Display Panel: PMMA
• Weight: Approx. 70 g

Key Features & Benefits:

✅ Expandable Design: Supports up to 4 expansion units for scalability.

✅ Flexible I/O Configuration: 4 control outputs, 5 external inputs, and 1 analog output for seamless integration.

✅ Selectable NPN/PNP Control Outputs: Adaptable to various automation setups.

✅ Advanced Protection Features: Prevents power surges, overcurrent, and reverse connections.

✅ Compact & Durable: Lightweight and rugged design with high vibration and shock resistance.

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