Distributed IO Network Interface | IC693NIU004 GE Fanuc

Product Overview

The GE Fanuc IC693NIU004 operates as a high-performance Ethernet Network Interface Unit (ENIU) for the modular Series 90-30 PLC system platform. This specialized single-slot hardware component functions as a remote rack controller, eliminating the need to install a dedicated central processing unit (CPU) in local expansion chassis. The module maps local discrete and analog I/O data tables directly, transmitting real-time field information over high-speed Ethernet back to a master PACSystems or Series 90-30 controller. Large manufacturing facilities, water utilities, and process industries deploy this network interface to orchestrate remote I/O sub-stations and synchronize distributed machinery clusters.

Technical Specifications

This 100% brand new, original GE Fanuc network interface unit delivers pristine out-of-the-box reliability. All operational and memory parameters utilize standard ASCII formatting.

• Model Identifier: IC693NIU004

• Product Series: Series 90-30 PLC System

• Module Type: Ethernet Network Interface Unit (ENIU)

• Chassis Footprint: Single-slot form factor

• Storage Architecture: High-speed RAM and non-volatile Flash memory

• Total Configuration Memory: Up to 240 KB user configuration memory

• Discrete Input Mapping Capacity (%I): 2048 independent points

• Discrete Output Mapping Capacity (%Q): 2048 independent points

• Analog Input Register Allocation (%AI): 1268 channels

• Analog Output Register Allocation (%AQ): 512 channels

• Internal System Coils (%M): 4096 bits (fixed for system operation)

• Temporary Output Coils (%T): 256 bits (fixed)

• Physical Communication Links: Two (2) Ethernet ports (built-in 10/100 Base-T/TX switch infrastructure), plus power supply RS-485 port

• Network Speed Profile: 10/100 Mbps auto-sensing data rate

• IP Address Capability: Supports one (1) unique network IP address

• Embedded Protocol Support: SRTP Server, Ethernet Global Data (EGD), TCP/IP, Modbus, SNP, SNPx, Genius Global Data

• Backplane Logic Current Draw: 1.2 Amperes at 5 VDC

• Environmental Operating Window: 0 to +60 degrees Celsius

• Storage Temperature Window: -40 to +85 degrees Celsius

• Relative Humidity Threshold: 5% to 95% non-condensing

• Net Unit Weight: 0.5 kg (1.10 lbs)

• Total Shipping Pack Weight: 0.82 kg (1.81 lbs)

• Global Agency Certifications: UL, CSA, CE compliant

Engineering Advantages

• Eliminates Remote CPU Overhead to Slash Automation Costs: Standard distributed control networks often require installing a full standalone CPU in every remote expansion rack to handle basic data collection, which rapidly inflates software licensing and hardware procurement expenses. The IC693NIU004 coordinates up to 4,096 discrete and 1,780 analog I/O points across the local rack assembly without a local processor. This headless configuration channels raw terminal data back to the central master controller, bypassing remote CPU maintenance completely.

• Streamlines Panel Layouts via an Embedded Ethernet Switch: Running independent communication runs from external switches down to multiple remote expansion slots inside a control console creates a tangled nest of patch cords and uses up rail space. The IC693NIU004 integrates a built-in 10/100 Mbps auto-sensing network switch featuring two physical RJ45 ports. This onboard switch allows engineers to daisy-chain the main Ethernet trunk directly from rack to rack, removing auxiliary switches from remote drop boxes.

• Secures Deterministic Data Transfers with EGD and SRTP Engines: Standard TCP/IP messaging structures suffer from packet collisions and unpredictable delivery lags, which compromises real-time synchronization on fast material handling or chemical mixing lines. The IC693NIU004 embeds hardware-level support for Ethernet Global Data (EGD) and SRTP server protocols. The EGD engine publishes critical input/output tables on a precise, scheduled multicast broadcast loop, ensuring sub-millisecond remote I/O data refresh intervals across the factory floor.

• Protects System Configurations with Dual RAM and Flash Storage: Sudden facility power interruptions can wipe the active memory contents of standard communication cards, dropping the remote station offline until a technician reloads the configuration data. The IC693NIU004 combines volatile RAM with an internal non-volatile Flash memory backup block. The module automatically archives network parameters and local I/O mapping configurations directly to Flash, guaranteeing instant plug-and-play recovery when the main panel power returns.

FAQs

• Q: Is this IC693NIU004 module a brand new factory item, and how is it backed?A: Yes. We supply this network interface unit strictly as a 100% brand new, original, and authentic factory-original item enclosed inside its original, unopened GE Fanuc manufacturer box. While the manufacturer has discontinued the Series 90-30 line, your purchase comes fully backed by our comprehensive 2-year technical and replacement warranty to ensure complete operational security for your legacy infrastructure.

• Q: Can I assign two different IP addresses to this module since it features two separate Ethernet ports?A: No. The internal switch routing engine assigns only one (1) unique IP address identity to the IC693NIU004 module. The dual RJ45 ports act as a shared unmanaged network switch interface, allowing you to bridge network lines to nearby drops or diagnostic computers without using a separate hardware splitter.

• Q: Does this module require special programming software to manage remote data traffic?A: No complex local logic programming is necessary. Because the IC693NIU004 serves as a remote Network Interface Unit, you handle its entire configuration setup—including IP addressing, EGD exchange data tables, and slot hardware mapping—directly from your central master PLC programming software environment (such as Proficy Machine Edition). The master controller downloads these parameters directly to the card over the network link.