Omron NX-OD5121 NX Series 16‑Point NPN Digital Output Module

Omron NX‑OD5121 is a standard‑speed digital output unit for the NX series I/O system. Provides 16 NPN (sinking) transistor outputs rated at 0.5 A per point (4 A per unit). Designed for general‑purpose output expansion in machine automation, factory control and material handling systems. Screwless push‑in terminal block for tool‑free wiring. 12 mm width for high‑density mounting.

Applications:

• Solenoid valve and relay actuation in machine control panels

• Conveyor and material handling output expansion

• Packaging machinery and assembly line control

• Factory automation I/O systems

Core Specifications:

• Number of outputs: 16 (NPN transistor, sinking)

• Output current: 0.5 A per point, 4 A per unit

• Permitted output voltage: 10.2 … 28.8 V DC

• Output ON delay: 0.1 ms max.

• Output OFF delay: 0.8 ms max.

• Signal processing: Free‑running, standard speed

• Connection type: Screwless push‑in terminal block (spring clamp)

• Short‑circuit protection: ✔

• Protection rating: IP20

• NX Unit power consumption: 1.00 W max. (CPU Unit connection), 0.65 W max. (Communications Coupler Unit connection)

• Current consumption from I/O power supply: 20 mA max.

• Dimensions (W × H × D): 12 mm × 100 mm × 71 mm

• Weight: 70 g max.

• Operating temperature: 0 °C … 55 °C

System Integration:

• This unit belongs to the Omron NX series I/O system.

• Requires an NX series communication coupler unit (EtherCAT or EtherNet/IP) or an NX series CPU unit for operation.

• I/O refreshing can be synchronised with the controller cycle via EtherCAT.

• Mounts on 35 mm DIN rail.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• NX‑ID5442 – 16‑point PNP digital input unit, 12 mm width

• NX‑OD5256 – 16‑point PNP digital output unit, 12 mm width

• NX‑TBA162 – Terminal block spare part for NX series

• NX‑ECC203 – EtherCAT Coupler Unit for NX I/O system