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Product Introduction
The GE IC695NKT001 RX3i Ethernet Remote I/O Expansion Kit is an advanced communication and expansion module set designed for PACSystems RX3i controllers. It serves as a flexible and high-performance interface that enables remote I/O integration over Ethernet networks while maintaining deterministic control and real-time synchronization.
This kit includes both the NIU001 (Network Interface Unit) and the ETM001 (Ethernet Communication Module), which work together to form a powerful Ethernet-based remote I/O system. It provides seamless connectivity between the controller and distributed I/O racks, allowing users to scale their automation systems efficiently without compromising on performance or reliability.
The IC695NKT001 uses the PCI bus architecture, ensuring fast internal communication with the RX3i backplane. It supports both redundant Ethernet configurations for high availability and multiple serial communication options (RS-232 and RS-485), making it adaptable to complex industrial automation environments.
It is widely used in process control, machine automation, and distributed control systems (DCS) where stable Ethernet-based communication and flexible I/O expansion are critical.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | IC695NKT001 |
| Product Type | Ethernet Remote I/O Expansion Kit |
| Included Components | NIU001 with two serial ports and ETM001 Ethernet module |
| Communication Interface | Ethernet (10/100 Mbit, RJ-45) |
| Supported Ethernet Configuration | Redundant Ethernet Modules |
| Backplane Type | Universal RX3i Backplane (PCI Bus) |
| Number of Slots Used | 3 (2 for NIU, 1 for ETM) |
| Serial Communication Ports | 1× RS-485 and 1× RS-232 |
| Supported Protocols (Serial) | SNP, Serial I/O, Modbus Master/Slave |
| Local Logic Memory | 5 KB |
| Maximum I/O Capacity | 2048 Inputs / 2048 Outputs |
| Alternate I/O Configuration | 1264 Inputs / 512 Outputs |
| Ethernet Ports | Dual 10/100 Mbps (RJ-45) |
| Redundancy Support | Supported (Ethernet Module Redundancy) |
| Operating Role | Network Slave Device |
| Network Type | Ethernet-based, Network Dependent |
| Expansion Capability | Supports up to 7 additional local I/O racks (IC694CHSxxx) |
| Power Requirement | Supplied by RX3i Power Supply (via Backplane) |
| Operating Temperature Range | 0°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Enclosure Rating | IP20 (when installed in an enclosure) |
| Compliance Standards | CE, UL, cUL, RoHS, FCC |
| Dimensions (W × H × D) | 130 × 100 × 60 mm |
| Weight | 1.08 kg |
Product Applications
The IC695NKT001 RX3i Ethernet Remote I/O Expansion Kit is built to expand RX3i automation systems through Ethernet-based remote I/O configurations. It allows engineers to distribute control systems across large plants or facilities while maintaining centralized management and synchronized operation.
Typical Applications Include:
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Industrial Process Control: Enables distributed control of sensors, actuators, and field devices in refineries, power plants, and chemical plants.
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Factory Automation: Connects multiple production lines and machine cells for unified PLC control.
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Material Handling Systems: Provides remote connectivity for conveyors, robotics, and sorting systems.
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Energy and Utility Applications: Used in power generation, transmission, and water treatment systems for remote device monitoring.
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Marine and Offshore Systems: Offers reliable Ethernet I/O expansion for critical operations under harsh environmental conditions.
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Infrastructure Automation: Integrates remote I/O for tunnels, substations, and building automation systems.
Product Advantages
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High-Speed Communication: Built-in Ethernet connectivity supports 10/100 Mbps for fast and reliable data transfer.
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Flexible Configuration: Can be used with multiple RX3i backplanes and supports up to seven additional local I/O racks.
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Redundancy and Reliability: Offers Ethernet module redundancy and dual serial ports for communication flexibility.
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Universal Compatibility: Fully compatible with PCI-based RX3i backplanes and Series 90-30 I/O modules.
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Compact and Efficient Design: Saves control cabinet space while maintaining superior performance.
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Network Scalability: Ideal for distributed control networks that require modular expansion.
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Industrial-Grade Durability: Designed to withstand harsh industrial conditions with extended temperature and vibration tolerance.
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Deterministic Data Transfer: Ensures precise synchronization between controller and remote I/O modules.
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Comprehensive Protocol Support: Communicates using both Ethernet and serial protocols for versatile integration.
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Ease of Integration: Seamless setup with PACSystems RX3i configuration tools and standard networking components.
FAQ
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What components are included in the IC695NKT001 kit?
The kit includes one NIU001 module with dual serial ports and one ETM001 Ethernet module, designed for RX3i remote I/O communication. -
Which communication protocols does the IC695NKT001 support?
It supports SNP, Serial I/O, Modbus RTU (Master/Slave), and Ethernet protocols such as SRTP over TCP/IP. -
How many backplane slots are required for installation?
The system requires three slots—two for the NIU001 and one for the ETM001 Ethernet module. -
Can the Ethernet connection be configured for redundancy?
Yes, the IC695NKT001 supports redundant Ethernet configurations to ensure continuous network availability. -
What is the maximum number of I/O points supported?
The kit supports up to 2048 inputs and 2048 outputs, depending on system configuration. -
Can multiple remote racks be connected to a single Ethernet NIU?
Yes, each Ethernet NIU can support up to seven additional I/O racks (IC694CHSxxx). -
Does this kit require an external power supply?
No, it draws power directly from the RX3i backplane power system. -
How is data exchanged between the RX3i CPU and the remote I/O rack?
Data is transmitted through high-speed Ethernet using the PACSystems communication protocols for deterministic control. -
Is the kit compatible with legacy GE Series 90-30 modules?
Yes, the RX3i Universal Backplane supports both RX3i and Series 90-30 I/O modules. -
What diagnostic features are available?
The kit provides built-in status LEDs and diagnostic tools for communication health, link status, and fault detection.
Related Models (Same Series)
| Model Number | Description | Interface Type | Supported Network | Weight |
|---|---|---|---|---|
| IC695NKT002 | RX3i Ethernet Remote I/O Kit with dual ports | Ethernet (RJ-45) | PROFINET / Modbus TCP | 0.75 kg |
| IC695NIU001 | Network Interface Unit | Ethernet + Serial | SRTP, Modbus TCP | 0.70 kg |
| IC695ETM001 | Ethernet Interface Module | Ethernet | TCP/IP, SRTP | 0.68 kg |
| IC695CMX128 | Control Memory Xchange Module | Fiber/PCI | Real-time Data Exchange | 0.85 kg |
| IC695CMM002 | Communication Module | Serial RS-232/485 | Modbus RTU, SNP | 0.72 kg |
| IC695ALG728 | Analog Output Module | PCI | Analog Signal Control | 0.65 kg |
Popular GE Models
| Model Number | Description | Type | Application |
|---|---|---|---|
| IC695CPU310 | RX3i Central Processing Unit | Controller | General Industrial Automation |
| IC695CHS007 | RX3i 7-Slot Universal Backplane | Backplane | Modular Expansion |
| IC695CPK330 | RX3i CPE330 Controller with Energy Pack | CPU Controller | Redundant Systems |
| IC695PSA040 | RX3i Power Supply Module | Power Supply | Controller Power |
| IC695CMM002 | RX3i Serial Communication Module | Communication | Modbus & Serial Integration |
| IC695ALG808 | RX3i Analog Output Module | Analog I/O | Process Control |
