The Omron NX-OD3257 Machine Automation Controller is a high-speed Communications Interface Unit offering 4 PNP transistor output points, designed for precise 24 VDC control in fast-response applications. It supports Switching Synchronous and Free-Run refreshing with a rapid 300 ns ON/OFF response, ensuring deterministic operation in demanding machine sequences. Powered at 24 VDC, the unit delivers stable switching performance for compact, modular automation systems. Its design enhances accuracy in output control while maintaining low power consumption at 5.80 W max. Manufactured by Omron, part of the Omron Programmable Logic Controller (PLC) family in the Omron NX Series.
Switching Synchronous I/O refreshing and Free- Run refreshing
ON/OFF response time
300 ns max./ 300 ns 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.)