GE IC695NIU001 Ethernet Network Interface Unit

Overview

The GE IC695NIU001 Ethernet Network Interface Unit (ENIU) is a key component of the PACSystems RX3i platform, designed to enable seamless communication between PACSystem RX3i controllers and Series 90-30 I/O modules. Manufactured by Emerson Automation (formerly GE Intelligent Platforms), this module is essential for high-speed Ethernet connectivity in industrial applications.

Key Features

Manufacturer: Emerson Automation (Formerly GE Intelligent Platforms)
Product Type: Ethernet Network Interface Unit (ENIU)
Model: IC695NIU001
Series: PACSystems RX3i
Part Number: IC695NIU001
Communication Ports:
- 2 x RS-232
- 2 x RS-485
Serial Protocols Supported:
- Modbus RTU Slave
- SNP
- Serial I/O
- Modbus RTU Master (via application “C” block)
Integrated Memory: 10 MB Flash memory
Compatible with: RX3i PCI and Series 90-30 serial backplanes
Number of Slots: 1
Battery Support:
- RX3i CPU Lithium Smart Battery (IC695ACC302)
- Series 90-30 Lithium Battery Pack (IC693ACC302)
- Smart Coin Cell Battery Pack (IC698ACC701)

Technical Specifications

Specification	Details
Product Type	Ethernet Network Interface Unit (ENIU)
Model	IC695NIU001
Weight	1.00 lbs (0.45 kg)
Power Requirements	+3.3 VDC: 1.25 Amps nominal+5 VDC: 1.0 Amps nominal
Operating Temperature	0°C to 60°C (32°F to 140°F)
Internal Power Consumption	0.95 A at 5 VDC0.52 A at 3.3 VDC
Memory	10 MB Flash memory
PCI Compatibility	PCI 2.2 compliant
Protocol Support	SNP, Modbus Slave, Serial I/O, Modbus Master
Redundant Controller Support	Yes
Number of Slots	1 Slot

Configuration and Setup

The IC695NIU001 is part of a PACSystems RX3i Ethernet NIU station assembly. This assembly includes the RX3i universal backplane, the RX3i power supply module, and a minimum of one RX3i Ethernet module. These components enable RX3i systems to communicate with Series 90-30 I/O modules, facilitating data exchange over Ethernet.

You can configure the IC695NIU001 using the Machine Edition Logic Developer software (version 5.51 or later). The module offers COM1 and COM2 communication interfaces, configurable for RS232 and RS485 communication. It supports serial protocols such as Modbus RTU Slave, SNP, Serial I/O, and Modbus RTU Master (via application “C” block). Furthermore, firmware updates can be done internally to ensure long-term functionality.

Battery and Power Considerations

The IC695NIU001 comes with a battery-backed clock, ensuring reliable operation over time. The recommended battery options include:

RX3i CPU Lithium Smart Battery (IC695ACC302)
Series 90-30 Lithium Battery Pack (IC693ACC302)
Smart Coin Cell Battery Pack (IC698ACC701)

Applications

This module is ideal for applications in industrial automation where reliable Ethernet communication is essential. It is widely used in PACSystems RX3i setups, facilitating high-speed data exchange and communication between RX3i controllers and Series 90-30 I/O modules in manufacturing, process control, and automation systems.