The Omron NX701-1600, also cataloged as the NX701-1600 Motion Controller NX7, operates as a dedicated hardware component for deterministic motion control and multi-axis coordination within industrial automation networks.

Technical Architecture & Execution Matrix

Configured for high-speed synchronous motion execution and sequence logic processing, the unit handles cycle times down to 0.125 ms across an EtherCAT master framework. Program memory is allocated at 80 MB, alongside 260 MB of dedicated variables memory to support intensive data logging and tracking tasks. The hardware manages up to 128 synchronous and virtual axes simultaneously, interfacing via the standard NX I/O bus topology.

Hardware Specifications

Deterministic Network & Bus Communication

The integrated EtherCAT Master port delivers precise clock synchronization across connected servo drives and remote I/O drops. Concurrently, the built-in EtherNet/IP and Ethernet TCP/IP ports facilitate supervisory control, HMI data exchange, and host system integration without degrading primary motion loop performance. Communication jitter is maintained within nanosecond tolerances to ensure multi-axis electronic gearing stability.

Ordering Information

• 1 x Omron NX701-1600 Motion Controller Unit
• 1 x End Cover (NX-END01)
• 1 x CPU Unit Power Supply Connector
• 1 x Safety Instruction Leaflet

Mechanical Mounting Guidelines

• Mount the controller vertically on a standard 35 mm DIN rail inside a ventilated control cabinet to maintain thermal limits.
• Ensure a minimum clearance of 50 mm above and below the module housing for convection airflow.
• Torque DIN-rail stoppers securely on both sides of the controller base to prevent lateral shifting under high machine vibration.
• Route high-voltage power cables and low-voltage communication cabling through separate wire ducts to eliminate electromagnetic interference.

Frequently Asked Questions

• Q: What is the minimum primary task cycle time supported by this controller?

  A: The controller supports a minimum primary task cycle time of 0.125 ms for high-precision motion tasks.

• Q: How many total axes, including virtual ones, can be configured?

  A: It supports a maximum of 128 axes, which encompasses both physical synchronous axes and virtual simulation axes.

• Q: Which communication protocols are natively available on the controller?

  A: It provides native ports for EtherCAT Master, EtherNet/IP, and standard Ethernet TCP/IP networks.

• Q: Is hot-swapping supported for the attached NX I/O modules?

  A: Yes, standard NX-series I/O units mounted on the bus support hot-swapping, provided proper power guidelines are met.

• Q: What is the total allocated capacity for variable storage?

  A: The hardware provides 260 MB of dedicated variables memory for application data handling.

• Q: How is the unit powered during normal cabinet operation?

  A: Power is supplied via the dedicated CPU Unit power supply connector attached directly to the module base.

• Q: Can standard DIN rails be used for physical installation?

  A: Yes, the unit is designed to mount securely onto standard 35 mm DIN rails.

• Q: What is the net weight of the controller hardware?

  A: The net weight of the controller unit is 0.88 Kg.