A1S68AD

Overview of Mitsubishi A1S68AD

The Mitsubishi A1S68AD is an analog-to-digital converter (ADC) module designed for integration with Mitsubishi MELSEC A Series programmable logic controllers (PLCs). It converts multiple analog signals such as voltage and current inputs into digital data for precise monitoring, control, and processing within a PLC system.

Key Features of Mitsubishi A1S68AD

• Analog Input Channels: 8 channels per module
• Input Signal Types: Voltage (-10 to +10 V DC), Current (0 to +20 mA)
• Input Resistance: Voltage input: approx. 1 MΩ, Current input: approx. 250 Ω
• Digital Output: 16-bit signed binary output for analog conversion values
• Maximum Resolution: 2.5 mV for voltage, 5 μA for current
• Overall Accuracy: Within ±1% of full scale
• Maximum Conversion Time: 0.5 ms per channel (up to 1 ms if averaging is enabled)
• Isolation: Photocoupler isolation between input terminals and PLC power supply, no isolation between channels
• Connection Terminal: 20-terminal block
• Power Supply: Supplied directly by PLC backplane (no external power supply needed)
• Applicable Wire Size: 0.75 to 1.5 mm²
• Internal Current Consumption: Approximately 0.4 A at 5 V DC
• Weight: Approximately 0.27 kg
• Dimensions: Compact for easy installation within control panels

Technical Specifications of A1S68AD

Applications / Use Case

The A1S68AD module is used in automation systems requiring accurate acquisition and digital processing of analog signals, such as industrial process monitoring, control of sensors and transducers, and instrumentation in manufacturing environments using Mitsubishi MELSEC A Series PLCs.