Configured for high-speed switching operations within NX I/O Bus systems, the Omron NX-OD3256 (NX-OD3256 Digital Output Unit) provides direct physical/electrical execution.

Architectural Suffix & Functional Profile

The hardware integrates 4 digital output points utilizing PNP transistor switching architecture with 2-wire and 3-wire connection compatibility. Signal processing logic supports Free running, Standard speed, and Synchronous refreshing modes over the backplane. Propagation delay for OFF-to-ON and ON-to-OFF state transitions ranges between 0.5 and 1.0 ms under load voltages spanning 15.0 to 28.8 VDC.

Technical Performance Parameters

Backplane Bus & Network Synchronization

Backplane bus communication velocity and I/O density scaling allow real-time control across the module's 4 discrete output channels without timing drift. Synchronous refreshing links output transistor switching events directly to master controller task clocks, ensuring precision timing across deterministic networks like EtherCAT and EtherNet/IP. Firmware flash compatibility ensures long-term operational consistency during system controller updates.

Package Component Contents

• 1 x Omron NX-OD3256 Digital Output Unit
• 1 x Terminal Block Assembly
• 1 x Installation Sheet Leaflet

Field Installation Guidelines

• Snap the module securely onto a standard 35 mm DIN rail inside a protective industrial control cabinet.
• Ensure external load power supplies remain within the 15.0 to 28.8 VDC range to prevent internal switching degradation.
• Route output signal cables away from high-voltage power conduits in separate wire trays to suppress cross-talk.
• Bond the mounting DIN rail directly to the primary enclosure earth ground to maintain noise immunity.

Frequently Asked Questions

• Q: What is the maximum continuous current rating per output channel?

  A: Each channel supports a continuous maximum load current of 0.5 A at rated operating voltage.

• Q: What is the specified switching delay time for state changes?

  A: Propagation delay for both ON and OFF transitions ranges between 0.5 and 1.0 ms.

• Q: Does this unit support PNP or NPN load connection schemes?

  A: The hardware is engineered exclusively for PNP transistor load switching configurations.

• Q: What signal processing and refreshing modes are available?

  A: It supports Free running, Standard speed, and Synchronous refreshing modes over the NX bus.

• Q: What is the range of permitted output load voltage?

  A: Permitted voltage applied across the output terminals spans from 15.0 to 28.8 VDC.

• Q: How many digital input channels are included on this specific module?

  A: This module contains 0 digital input channels, functioning strictly as a digital output unit.

• Q: Can modules be swapped on an active backplane bus?

  A: Hot-swapping is restricted unless external load power is completely isolated to protect transistor drivers.

• Q: What is the net physical weight of the individual module?

  A: The net weight of the controller module is 0.070 Kg excluding shipping boxes.