Product Overview

The 100% Brand New GE IC693NIU004-FD serves as an Ethernet Network Interface Unit (NIU) for the GE Fanuc Series 90-30 PLC system. It transforms a standard 90-30 rack into a smart remote I/O station. The module communicates with a master controller (such as a 90-30 CPU or RX3i) over industrial Ethernet using the Ethernet Global Data (EGD) protocol. It handles high-speed I/O data exchange, SRTP configuration, and Modbus TCP communications, eliminating the need for a dedicated CPU in remote panels.

Technical Specifications

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  Part Number: IC693NIU004-FD

   

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  Manufacturer: GE Fanuc (Emerson Automation)

   

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  Product Series: Series 90-30

   

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  Communication Ports: 2 x 10/100 Mbps RJ-45 Ethernet (Auto-sensing)

   

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  Serial Port: 1 x RJ-11 (RS-232 for Station Manager/SNP)

   

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  Supported Protocols: EGD, SRTP, Modbus TCP (Client/Server), TCP/IP, UDP

   

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  Discrete I/O Capacity: 2048 Inputs (%I) / 2048 Outputs (%Q)

   

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  Analog I/O Capacity: 1268 Inputs (%AI) / 512 Outputs (%AQ)

   

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  Internal Memory: RAM and Flash

   

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  Backplane Power Consumption: 5 VDC @ approx. 1.48 A (7.4 W)

   

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  Operating Temperature: 0°C to 60°C (32°F to 140°F)

   

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  Slot Width: Single slot

   

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  Weight: 0.82 kg

   

Engineering Advantages

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  Distributed Architecture Simplification: The module allows engineers to place I/O racks hundreds of meters away from the main CPU using standard fiber or copper Ethernet infrastructure. This drastically reduces expensive multi-conductor cabling runs between field devices and the control room.

   

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  Deterministic Data Exchange: The NIU utilizes the EGD protocol to produce and consume I/O data packets at deterministic intervals. This ensures real-time control loop integrity for remote processes like pump stations or conveyor zones without relying on heavy TCP handshakes.

   

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  Network Topology Flexibility: Dual RJ-45 ports function as a built-in 2-port switch. Technicians daisy-chain multiple NIUs or connect to redundant network paths (Linear, Star, or Ring) without requiring external switches, which simplifies panel layout and reduces component count.

   

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  Streamlined Commissioning: The module features a built-in web server and Station Manager access via the serial port. Technicians diagnose link status, packet loss, and IP configurations directly on-site without disconnecting wires or loading full programming software.

   

FAQs

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  Does the IC693NIU004-FD replace a CPU in the remote rack?

  Yes. The NIU scans the backplane I/O modules and manages the data exchange with the master controller. It executes no user logic, which makes it a cost-effective alternative to placing a full CPU at every remote station.

   

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  What software configures the IC693NIU004-FD?

  Users configure the module using Proficy Machine Edition (PME) or VersaPro. You set the IP address, subnet mask, gateway, and EGD exchange parameters within the hardware configuration of the project.

   

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  Can this module communicate with non-GE equipment?

  Yes. The NIU supports Modbus TCP Slave (Server) and Master (Client) protocols. It exchanges data with third-party HMIs, SCADA systems, and other vendor PLCs that support standard Ethernet protocols.

   

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  Is the "-FD" suffix critical for compatibility?

  The "-FD" typically denotes specific firmware revisions or factory default settings (e.g., default IP). The unit functions identically to the standard IC693NIU004 in hardware, but verify firmware compatibility with your existing 90-30 CPU firmware revision (GFK-xxx) to ensure EGD stability.