The Omron NX-OC2733 Machine Automation Controller is a versatile relay-based Communications Interface Unit offering 2 output points with both NO+NC contacts, capable of switching 250 VAC / 2 A and 24 VDC / 2 A loads. With Free-Run refreshing and a reliable 15 ms ON/OFF response, it supports flexible relay control in machinery and panel-level automation. The unit operates on 24 VDC with 5.80 W max power consumption, ensuring stable performance in mixed-load applications. Manufactured by Omron, part of the Omron Programmable Logic Controller (PLC) lineup in the Omron NX Series.
250 VAC/2 A (cosφ=1), 250 VAC/ 2 A (cosφ=0.4), 24 VDC/2 A, 4 A/Unit
I/O refreshing method
Free-Run refreshing
ON/OFF response time
15 ms max./ 15 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.)
