General Electric IC695NIU001 RX3i Ethernet Interface Unit

The IC695NIU001 supports PROFINET communication via integrated ports or with the addition of an Ethernet daughtercard. It is compatible with a broad range of RX3i I/O modules, offering integration into many industrial automation processes where centralized or distributed control is essential.

Technical Specifications

Product Applications

The GE IC695NIU001 is suitable for the following applications:

• Remote I/O Control: Acts as a headless controller for remote RX3i I/O racks.

• Distributed Automation Systems: Ideal for large-scale manufacturing or processing plants where control must be spread over multiple zones.

• Industrial Ethernet Networking: Supports Ethernet-based control systems that need reliable and deterministic communication.

• Energy Management Systems: Frequently found in power generation and distribution automation.

• OEM Equipment Integration: Embedded in machinery or skids for specialized industrial operations.

• Process Industries: Used in oil and gas, chemical processing, and water treatment facilities.

Product Advantages

• Headless Operation: Reduces hardware cost by eliminating the need for a local CPU while still enabling intelligent I/O management.

• Compact Form Factor: Small size makes it suitable for space-constrained installations.

• Flexible Networking: Native support for Ethernet protocols such as PROFINET and Modbus TCP/IP enhances integration.

• High Reliability: Industrial-grade build and robust operating temperature range ensure long-term performance.

• Scalable I/O: Supports multiple I/O modules through RX3i backplane, allowing for future expansion.

• Plug-and-Play Configuration: Seamless integration into PACSystems architecture, reducing setup time.

• Redundancy Support: Ensures system uptime for critical applications through controller redundancy.

Frequently Asked Questions (FAQ)

Q1: What is the primary function of the IC695NIU001?

A1: It serves as a network interface controller to connect a remote I/O rack to a central controller over Ethernet.

Q2: Can the IC695NIU001 be used without a CPU?

A2: Yes, it is designed to operate without a local CPU and manages I/O communications autonomously.

Q3: What types of Ethernet protocols are supported?

A3: PROFINET, Modbus TCP/IP, and GE’s native SRTP are all supported.

Q4: How is the unit powered?

A4: It requires 18–30 VDC, with 24 VDC as the nominal supply voltage.

Q5: Does it support hot-swap of I/O modules?

A5: Yes, I/O modules can typically be hot-swapped when used with compatible RX3i backplanes.

Q6: Can it be used in redundant control systems?

A6: Yes, it supports controller redundancy for critical applications.

Q7: What is the maximum ambient temperature it can handle?

A7: It can operate at temperatures up to 60°C (140°F).

Q8: What are the installation options?

A8: The unit can be mounted on a DIN rail or directly on a panel.

Q9: Is it compatible with all RX3i modules?

A9: It supports all RX3i I/O modules when installed on an RX3i universal backplane.

Q10: How do I configure the NIU on a network?

A10: Configuration is typically done via GE’s Proficy Machine Edition software.