Keyence KV-N24DR Relay Output PLC Controller

Keyence KV-N24DR Programmable Logic Controller

The KV-N24DR belongs to the Keyence KV Nano series. This terminal block type PLC serves as a versatile base unit for small to medium automation tasks. Engineers select this model when they need relay outputs for direct load switching. Its compact housing saves valuable panel space while delivering fast instruction execution.

Technical Specifications

The processing power of this unit meets demanding industrial needs. Basic instruction execution takes only 50 ns, while application instructions require a minimum of 170 ns. Furthermore, the program capacity reaches 8k steps, which provides ample room for complex logic sequences. The controller supports expanded ladder, KV Script, and mnemonic programming languages.

Built-in I/O and High-Speed Features

The base unit includes 14 input points and 10 output points. Outputs use relay technology, which suits direct switching of lamps, valves, and small contactors. For motion control tasks, the KV-N24DR provides 2 axes of positioning pulse output. The maximum output frequency reaches 100 kHz, enabling precise control of stepper or servo drives. Additionally, two high-speed counter inputs handle 32-bit auto-reset operation at 100 kHz single phase or 50 kHz phase difference.

Communication and Expansion

A built-in RS-232C port (modular connector) supports KV STUDIO programming and no-protocol serial communication. Moreover, the system accepts up to 8 expansion units through the backplane. This scalability allows the total I/O count to reach 256 points, excluding the base unit. Therefore, the controller grows with your application requirements without a full replacement.

Mechanical and Environmental Parameters

The unit operates on a 24 VDC supply with a tolerance of +/-10%. It functions reliably in temperatures from 0 to +55 °C without freezing. Storage temperature ranges from -25 to +75 °C. Relative humidity stays within 5 to 95% RH without condensation. The device withstands vibrations common in industrial settings and complies with IEC noise immunity standards.

Installation Guide

Mount the KV-N24DR on a standard DIN rail or directly onto a panel surface using mounting holes. First, ensure the power supply is disconnected before wiring. Next, connect the 24 VDC input to the designated terminals while observing correct polarity. The output power supply delivers 24 VDC at 0.6 A capacity for external loads. Always separate high-voltage power lines from signal lines to minimize electrical noise. Finally, verify all connections before applying power.

Packaging List

• 1 x Keyence KV-N24DR PLC Base Unit

• 1 x Terminal Block Cover (attached)

• 1 x Instruction Manual (Quick Reference)

FAQ

Q1: What is the output type of the KV-N24DR?
A: The outputs are relay type, suitable for direct switching of small loads.

Q2: Can this PLC control servo motors?
A: Yes. It provides 2 axes of pulse output at up to 100 kHz for positioning tasks.

Q3: How many expansion units can connect to this base unit?
A: The system supports up to 8 backplane expansion units for additional I/O.

Q4: What is the supply voltage requirement?
A: The unit requires a 24 VDC power supply with +/-10% tolerance.

Q5: How fast is the instruction execution?
A: Basic instructions execute in 50 ns minimum, while application instructions take 170 ns minimum.