The Omron NX-OD5121-5 Machine Automation Controller is a robust Communications Interface Unit offering 16 NPN output points with a 12–24 VDC rated output design. It supports Switching Synchronous I/O refreshing and Free-Run refreshing for precise, high-speed control. With a fast 0.1 ms ON / 0.8 ms OFF response time and a stable 24 VDC supply (20.4–28.8 VDC), the unit ensures reliable operation in demanding automation environments. Power consumption is a low 5.80 W, making it suitable for compact control panels. Manufactured by Omron, part of the Omron Programmable Logic Controller (PLC) range, available under the Omron NX Series.
Switching Synchronous I/O refreshing and Free- Run refreshing
ON/OFF response time
0.1 ms max./ 0.8 ms max
Dimensions (mm)
72 × 100 × 90 mm (W×H×D)
Power supply voltage
24 VDC (20.4 to 28.8 VDC)
Unit power consumption
5.80 W max.
Shock resistance
Conforms to IEC 60068-2-27. 147 m/s2, 3 times in X, Y, and Z directions
Vibration resistance
Conforms to IEC 60068-2-6. 5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of 9.8 m/s2, 100 min each in X, Y, and Z directions (10 sweeps of 10 min each = 100 min total).
Noise immunity
2 kV on power supply line (Conforms to IEC 61000-4-4.)
