NX-OD4256 8-Point PNP Digital Output Module 0.5A 12mm | Omron

The Original New Omron NX-OD4256 is a high-density digital output unit for the NX series I/O system, providing 8 PNP (sourcing) transistor outputs rated at 0.5 A per point with short-circuit protection. Designed for machine automation and factory control applications, this module delivers standard speed signal processing with 0.5 ms ON / 1.0 ms OFF response time. The screwless push-in terminal block enables tool‑free wiring for fast installation and maintenance, while the 12 mm slim form factor maximizes panel space efficiency. Part of the NX series for EtherCAT communication coupler systems.

Core Engineering Highlights:
8 PNP transistor outputs (sourcing) | 0.5 A per point, 4.0 A per unit | 0.5 ms ON / 1.0 ms OFF response time | Screwless push-in terminal block (2-wire) | 12 mm width for high-density mounting | Short-circuit protected outputs | IP20 protection | 0°C to +55°C operating temperature

Key Features:

• Original New Omron NX-OD4256 module

• 8 PNP (sourcing) transistor outputs for 24 V DC loads

• 0.5 A per point, 4.0 A per unit output capacity

• 0.5 ms turn-on / 1.0 ms turn-off response time (resistive load)

• Screwless push-in terminal block for tool‑free wiring

• Short-circuit protected outputs for reliable operation

• 12 mm slim design for high-density panel mounting

• Removable terminal block for simplified maintenance

• Signal processing: Free‑running, Standard speed, Synchronous

• 2-wire connection method

• LED indicators for each output point

• DIN rail mounting for space-efficient installation

• 70 g lightweight design

• IP20 protection rating for control cabinet environments

Applications:

• Solenoid valve and relay actuation in machine control systems

• Conveyor and material handling equipment

• Packaging machinery and assembly lines

• Factory automation I/O expansion

• OEM equipment requiring high-density transistor outputs

• Distributed I/O systems with NX series EtherCAT couplers

Technical Specifications:

System Compatibility:

• Compatible with Omron NX series EtherCAT Coupler Units (NX-ECC20×) and EtherNet/IP Coupler Units (NX-EIC202)

• Requires NX series communication coupler unit or NX series CPU unit for operation

• Supports up to 63 NX I/O units per coupler

• Compatible with NJ/NX/NY series controllers

• Mounts on 35 mm DIN rail

Related Products:

• NX-ECC203 – NX series EtherCAT Coupler Unit, 2 ports, 125 µs cycle time

• NX-EIC202 – NX series EtherNet/IP Coupler Unit, 2 ports, local safety support

• NX-ID5442 – 16-point PNP digital input unit (complementary)

• NX-OD5256 – 16-point PNP digital output unit (higher density)

• NX-PF0630 – Additional I/O power supply unit, 4 A, 5-24 V DC

• NX-PF0730 – Additional I/O power supply unit, 10 A, 5-24 V DC

• NX-PD1000 – Additional NX unit power supply, 24 V DC, 10 W

• NX-PC0020 – I/O power connection unit, IOV terminals

• NX-AUX02 – Terminal block coding pins (for 10x NX I/O units)

• NX-TBA162 – Replacement screwless push-in connector with 16 wiring terminals

PLC ERA is an independent industrial automation distributor supplying genuine Original New products through established global supply channels. All products are factory sealed when applicable and undergo quality inspection prior to shipment. Omron is a trademark of Omron Corporation.