Product Description

The Keyence KL-4AD is a high-performance A/D conversion module designed for the KV-5000 and KV-3000 series programmable logic controllers (PLCs). It offers four analog input channels, which can be configured to two channels via DIP switches, providing flexibility for various applications. The module supports multiple input ranges, including voltage (0–5V, ±10V) and current (0–20mA, 4–20mA), with high-speed conversion capabilities of 200 µs per channel in high-speed mode and 1.6 ms per channel in average mode. With a total accuracy of 0.2% of full scale in average mode at 25°C, it ensures precise data acquisition. The KL-4AD is equipped with photocoupler isolation and offers robust noise resistance, making it suitable for industrial environments.

Technical Specifications

• Feature Specification
• Model KL-4AD
• Analog Input Channels 4 (configurable to 2 via DIP switch)
• Input Types Voltage: 0–5V, ±10V; Current: 0–20mA, 4–20mA
• Input Impedance Voltage: 1 MΩ; Current: 250 Ω
• Conversion Speed High-Speed Mode: 200 µs/channel; Average Mode: 1.6 ms/channel
• Total Accuracy (25°C) Voltage: 0.2% of full scale; Current: 0.2% of full scale
• Total Accuracy (0–60°C) Voltage: 0.4% of full scale; Current: 0.4% of full scale
• Maximum Input Voltage ±15V
• Maximum Input Current 30mA
• Isolation Photocoupler isolation (channels not isolated from each other)
• Noise Resistance Normal Mode: 500 Vp-p, 1 µs, 50 ns; Common Mode: 1,500 Vp-p
• Power Supply 24 VDC ±10%
• Current Consumption 150 mA or less
• Operating Temperature 0 to 60°C
• Operating Humidity 35 to 85% RH (non-condensing)
• Weight Approx. 180 g
• Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude for 2 hours in each direction (X, Y, Z)
• Withstand Voltage 1,500 VAC for 1 minute (between external input terminals, case, and power supply terminals)
• Insulation Resistance 50 MΩ or more (between external input terminals, case, and power supply terminals)