Product Overview

The OMRON CJ1W-AD04U is a versatile universal analog input unit designed for a wide range of industrial applications. This module supports up to four independent input channels, each capable of handling different types of signals, including:

• DC Voltage Inputs: Compatible with 1 to 5 V, 0 to 5 V, and 0 to 10 V ranges.
• DC Current Inputs: Supports 0 to 20 mA and 4 to 20 mA ranges.
• Thermocouple Inputs: Compatible with types K, J, T, L, R, S, and B.
• Platinum Resistance Thermometer Inputs: Supports Pt100, Pt1000, and JPt100 models.

Key Features

• Isolation Between Channels: Ensures that there are no unwanted current paths or interference between different input types.
• Built-in Scaling Function: Automatically scales input signals to process values, eliminating the need for additional programming on the CPU unit.
• Alarm Functions: Allows for setting high and low process value alarms with hysteresis and ON-delay timers, enhancing control and monitoring capabilities.
• Error Detection: Includes input error detection for thermocouple and platinum resistance thermometer inputs, ensuring reliability and accuracy.
• Compatibility: Designed for use with OMRON CJ/NJ series controllers, making it easy to integrate into existing systems.

Technical Specifications

• Resolution: 14-bit resolution for voltage and current inputs.
• Conversion Time: Approximately 250 ms for four inputs.
• Mounting: Can be mounted on a CPU rack or expansion rack.
• Dimensions: 31 mm x 90 mm x 89 mm (W x H x D), with a weight of approximately 230 g.
• Power Consumption: Operates at 5 V DC with a maximum current consumption of 320 mA.

The CJ1W-AD04U offers advanced functionality with its ability to handle multiple input types, providing flexibility and efficiency in industrial automation applications. Its isolation features and robust error detection capabilities ensure reliable operation in various environments.