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Q66AD-DG

The Q66AD-DG is a high-precision 6-channel analog input module for Mitsubishi's MELSEC-Q series PLC systems, designed for industrial process control applications requiring accurate signal conversion and monitoring.

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Key Specifications:

Input Channels:

6 isolated analog input channels

Supported signals:

Voltage: -10 to +10V DC (input impedance: 1MΩ)

Current: 0 to 20mA, 4 to 20mA (input impedance: 250Ω)

Conversion Performance:

Resolution: 16-bit (1/32,000)

Accuracy: ±0.1% of full scale

Conversion speed: 80μs/channel (maximum)

A/D conversion method: Successive approximation

Isolation:

Channel-to-channel isolation

Channel-to-PLC isolation (photocoupler)

I/O Characteristics:

Maximum analog input: ±15V DC (voltage), ±30mA (current)

Absolute maximum rating: ±30V DC (voltage), ±50mA (current)

Communication:

Q bus connection (backplane mounted)

Refresh cycle: Synchronized with PLC scan

Environmental Ratings:

Operating temperature: 0 to 55°C

Storage temperature: -25 to 75°C

Humidity: 5 to 95% RH (non-condensing)

Vibration resistance: 4.9m/s² (10-57Hz)

Physical Specifications:

Dimensions: 98 × 27.4 × 90mm (H×W×D)

Weight: Approx. 0.2kg

Mounting: Q series base unit

Protection class: IP2X (requires enclosure)

Special Features:

Scaling function with user-defined parameters

Alarm function for input range monitoring

Sampling processing/Average processing selectable

Disconnection detection (for current input)

Compatible Systems:

MELSEC-Q series PLCs (Q02H, Q06H, Q12H, Q25H CPUs)

Requires Q series power supply module