KV-N40AR Keyence KV Nano PLC 24 In 16 Out Relay Type

KV-N40AR Keyence KV Nano Series All-in-One PLC | 24 In / 16 Out Relay Type

Model KV-N40AR is an all-in-one PLC from the Keyence KV Nano series. It is a terminal block type with 24 input points and 16 output points. The KV-N40AR runs 16k program capacity. Basic instructions execute in 50 ns. Application instructions execute in 170 ns. It suits compact machines that need logic, positioning, and high-speed counting in one unit.

The unit uses relay output and accepts 100 to 240 VAC. It offers a 24 VDC output power supply at 0.6 A. Built-in RS-232C supports KV STUDIO and no-protocol serial. Three positioning axes reach 100 kHz. Two 32-bit high-speed counters handle fast pulse signals. Expansion runs up to 8 units on the backplane.

Technical Specifications

• Brand: Keyence
• Model: KV-N40AR
• Series: KV Nano
• Product type: All-in-one PLC, terminal block type
• Program capacity: 16k
• Basic instruction speed: Min. 50 ns
• Application instruction speed: Min. 170 ns
• Program language: Expanded ladder, KV Script, mnemonic
• Built-in I/O: Input 24 points, output 16 points
• Positioning pulse output: 3 axes, max. 100 kHz
• High-speed counter: 2 points, 32-bit auto-reset, 100 kHz single phase, 50 kHz phase difference
• Expansion I/O: Up to 8 backplane units, max. 256 I/O points excluding base unit
• Built-in ports: RS-232C, modular connector
• Protocols: KV STUDIO, no-protocol serial
• Communication expansion: Via backplane communication modules
• Supply voltage: 100 to 240 VAC, +10%/-15%
• Output power supply: 24 VDC +/-10%, 0.6 A capacity
• Output type: Relay output
• Operating temperature: 0 to +55 °C, no freezing
• Storage temperature: -25 to +75 °C
• Relative humidity: 5 to 95% RH, no condensation
• Protection rating: Not available
• Dimensions: Not available
• Weight: Approx. 0.62 kg
• Lifecycle: Active, official Keyence production status confirmed, last verified 2026-09

Oiltech Controls Review

• KV-N40AR fits small machines with mixed I/O needs.
• 24 inputs and 16 relay outputs cover common control tasks.
• 50 ns basic speed handles fast logic scans.
• 3-axis pulse output supports simple motion control.
• 100 kHz counters read encoders and fast pulse signals.
• Relay output switches AC and DC loads with ease.
• Wide AC supply range suits global panel voltages.
• Built-in 24 VDC supply powers sensors and small loads.
• RS-232C links to HMIs, PCs, and barcode readers.
• KV Script adds flexible logic beyond ladder.
• Backplane expansion grows I/O up to 256 points.
• Terminal block wiring suits field service work.
• Light 0.62 kg body reduces panel load.
• Good fit for retrofit and legacy KV Nano systems.
• Ask Oiltech Controls for program and cable support.

Oiltech Controls’s Insight

• Choose KV-N40AR when relay output is required.
• Use it for small machines with 40 points or fewer.
• Plan expansion early, 8 units maximum.
• Use high-speed counters for encoder feedback.
• Use pulse output for stepper or servo drives.
• Confirm relay life for high-cycle switching loads.
• Add surge protection on inductive AC loads.
• Keep RS-232C cables short in noisy cabinets.
• Check KV STUDIO version before programming.
• Email info@oiltechcontrols.com for a fit check.

Compatible Equipment

• Keyence KV Nano backplane I/O modules
• Keyence KV Nano communication modules
• KV STUDIO programming software
• HMIs with RS-232C serial ports
• Stepper and servo drives with pulse input
• Incremental encoders and pulse sensors
• Packaging, labeling, and filling machines
• Small assembly and testing stations
• Legacy Keyence PLC control systems

Why Buy From Oiltech Controls?

• 15+ years in industrial automation spare parts.
• Global shipment support for urgent line needs.
• Tested industrial surplus and refurbished options ready to ship.
• 12-month warranty on eligible products.
• Technical verification before shipment on every unit.
• Support for obsolete control systems and discontinued PLCs.
• Fast dispatch: ships within 24 to 28 hours.
• Carriers: FedEx, UPS, DHL worldwide.
• WhatsApp: +86 158 8020 0923
• Email: info@oiltechcontrols.com

Warranty and Shipping Terms

• 12-month warranty covers defects under normal use.
• Warranty excludes misuse, power damage, and unauthorized repair.
• Dispatch window is 24 to 28 hours after order confirmation.
• Shipping options include FedEx, UPS, and DHL.
• Tracking details are sent after dispatch.
• Delivery time depends on destination and customs clearance.
• Contact info@oiltechcontrols.com for warranty claims.

FAQ

Q: How many I/O points does the KV-N40AR have built in?

A: It has 24 inputs and 16 outputs built in.

Q: What output type does the KV-N40AR use?

A: It uses relay output. This suits AC and DC loads.

Q: How fast is the instruction execution?

A: Basic instructions run at 50 ns minimum. Application instructions run at 170 ns minimum.

Q: How do I choose between relay and transistor output?

A: Pick relay for mixed AC/DC loads and low cycle rates. Pick transistor for fast, high-cycle DC switching. The KV-N40AR is relay type.

Q: Can the KV-N40AR still be used in older machines?

A: Yes. It is active and supported. Oiltech Controls also helps with obsolete control systems. Message +86 158 8020 0923 or email info@oiltechcontrols.com for replacement advice.

Short Product Description

KV-N40AR Keyence KV Nano all-in-one PLC. 24 inputs, 16 relay outputs, 16k program, 50 ns basic speed, 3-axis 100 kHz pulse, RS-232C, 12-month warranty, 24 to 28 hour dispatch.

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