IC693NIU004 (1) IC693NIU004 (3) IC693NIU004 (2) IC693NIU004 (4)

The GE IC693NIU004 is an Ethernet Network Interface Unit (NIU) developed for GE Fanuc Series 90-30 programmable logic controller (PLC) systems. It bridges traditional PLC hardware with high-speed Ethernet communication, enabling remote I/O expansion and distributed control architectures over industrial networks. With support for multiple protocols and extensive I/O capacity, this module brings modern network connectivity to legacy Series 90-30 automation environments.

Technical Specifications

Specification	Description
Module Type	Ethernet Network Interface Unit (NIU)
Compatible PLC	GE Fanuc Series 90-30
Ethernet Ports	2 × RJ-45 (10/100 Mbps, auto-sensing)
Supported Protocols	SRTP Server, Ethernet Global Data (EGD)
Discrete I/O Capacity	Up to 2048 inputs & 2048 outputs
Analog I/O Capacity	Up to 1268 analog input words & 512 analog output words
Internal Memory	4096 internal coils; 256 temporary coils; 9999 register memory
LED Indicators	EOK, LAN, STAT, PS PORT, LINK/ACT for Ethernet ports
Mounting	Single-slot on Series 90-30 rack/baseplate
Operating Environment	Industrial control cabinets

Dimensions (L×W×H): 210 × 64 × 102 mm (approx.)
Weight: ~0.82 kg

Recommended Related Models

GE IC693CPU366 – High-performance Series 90-30 CPU module
GE IC693DSM314 – High-density discrete output module
GE IC693MDL730 – 32-point digital input module
GE IC693CMM311 – Communication interface module

Popular GE Series 90-30 Models

GE IC693CPU374 – Advanced CPU module
GE IC693DNM200 – DeviceNet master communication module
GE IC693DNS201 – DeviceNet slave communication module

Applications

The IC693NIU004 is particularly useful in systems that require Ethernet-based connectivity and remote I/O distribution, including:

Remote I/O and distributed control architectures
High-speed industrial networking with GE Series 90-30 PLCs
Integration with HMIs, SCADA, and MES systems
Large machine control systems with networked I/O expansion
Process automation requiring deterministic data exchange

By enabling Ethernet Global Data and SRTP protocols, the module facilitates efficient communication between PLCs and networked devices for enhanced system scalability and flexibility.

Advantages

Ethernet-based communication supports high-speed data exchange
Large I/O capacity handles extensive discrete and analog data
Dual auto-sensing ports support flexible network topologies
Robust industrial design suitable for harsh environments
Seamless integration with Series 90-30 PLC systems

The NIU enhances legacy PLC systems with modern networking capabilities without compromising reliability.

Technical FAQs

What is the primary function of the IC693NIU004?
It enables Ethernet communication and remote I/O integration for Series 90-30 PLC systems.
Which communication protocols does it support?
It supports SRTP Server and Ethernet Global Data (EGD).
How many Ethernet ports does the module have?
Two auto-sensing 10/100 Mbps RJ-45 ports.
Can this unit handle both discrete and analog I/O?
Yes – up to 2048 discrete I/O points and significant analog word capacity.
Does the module require a specific power supply?
A high-capacity Series 90-30 power supply is recommended due to its higher power draw.
Is the module backward compatible with older I/O modules?
It supports discrete and analog I/O modules but may have compatibility requirements for some analog modules.
Can it be used for distributed I/O systems?
Yes – it is designed for remote I/O and distributed control architectures.
Does it have status indicators?
Yes – LEDs indicate Ethernet link, status, power, and module operation.
Is special software required to configure the module?
Yes – PLC configuration software like Proficy Machine Edition is typically used for IP and network setup.
Where is this module mounted?
It installs in a single slot on a Series 90-30 PLC baseplate or rack.