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Q68ADV

The Q68ADV is a high-precision 16-channel A/D converter module for Mitsubishi's MELSEC Q series PLCs, designed for industrial automation systems requiring multi-point voltage monitoring. This module delivers 16-bit resolution with 1ms/channel conversion speed, making it ideal for fast-response process control applications.

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Key Features & Specifications
General Specifications
Model: Q68ADV

Compatibility: MELSEC Q Series PLC (requires Q series base unit)

Channels: 16 single-ended voltage inputs

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

Isolation: Photocoupler isolation between analog circuits and PLC

Mounting: Q series extension base unit (requires 1 slot)

Current Consumption: 5V DC 0.48A, 24V DC 0.12A

Weight: 0.2kg

Analog Input Specifications
Input Range:

0-10V DC (default)

0-5V DC (software selectable)

1-5V DC (software selectable)

Accuracy: ±0.1% of full scale (25°C ±5°C)

Conversion Speed: 1ms/channel (all 16 channels in 16ms)

Input Impedance: 1MΩ or higher

Max. Allowable Voltage: ±15V

Communication & Configuration
Data Format: 16-bit signed binary (-32,000 to +32,000)

Averaging Function: 2/4/8/16/32/64-times averaging selectable

Scaling Function: Engineering unit conversion available

Diagnostics: Overrange/underrange detection

LED Indicators
RUN: Normal operation (green)

ERR: Error status (red)

CH1-CH16: Individual channel status