GE HE700GEN200C – Ethernet Communications Module

1. Overview

The GE HE700GEN200C is a high-performance Ethernet communications module designed for use within GE’s Horner OCS (Operator Control Station) and related industrial automation platforms. It provides reliable TCP/IP networking capabilities, enabling controllers and field devices to communicate with SCADA systems, HMIs, enterprise servers, and remote monitoring equipment. Built for rugged industrial use, the module combines fast data throughput, flexible addressing, and long-term operational stability.

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2. Key Advantages

• Fast Industrial Ethernet Connectivity – Supports deterministic communication for real-time control.

• Seamless Integration – Fully compatible with Horner OCS controllers and GE automation PLCs.

• Supports Standard Networking Protocols – Ideal for SCADA, MES, and IIoT data transfer.

• Wide Operating Temperature Range – Suitable for demanding plant environments.

• Low-Power, Compact Design – Requires minimal space and no forced cooling.

• Firmware Upgradable – Enables lifecycle extension and feature enhancements.

  
  

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3. Technical Specifications 

Parameter	Description
Module Type	Ethernet Communications Interface
Supported Protocols	TCP/IP, UDP, Modbus/TCP, ICMP, DHCP
Ethernet Port	10/100 Mbps auto-negotiation
Power Supply	From host OCS/PLC backplane
Operating Voltage	5V DC internal (from rack)
Operating Temperature	-10°C to +60°C
Storage Temperature	-25°C to +85°C
Mounting	Plug-in module for GE Horner rack
Status Indicators	Link, Activity, Module Status LEDs
Certifications	CE, UL, Industrial EMC

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4. Internal Structure

• RJ45 Ethernet Port – Shielded industrial connector with built-in link/activity LEDs

• Protocol Processing ASIC – Handles packet routing and buffer management

• Isolation Transformer Circuit – Protects against surge and EMI noise

• Backplane Bus Connector – Enables power and data exchange with controller

• LED Diagnostic Panel – Real-time indication of port and module status

  
  

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5. Typical Application Fields

• Factory automation and machine control

• SCADA networking for utilities and municipal systems

• Oil & gas pipeline data acquisition

• Industrial process monitoring and historian logging

• Smart building and energy management networks

• Remote equipment diagnostics over Ethernet

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6. Installation & Setup

Installation Steps

1. Power off the OCS/PLC system before inserting the module.

2. Slide the HE700GEN200C into the correct rack slot until locked.

3. Connect Ethernet cable to industrial-grade network switch or router.

4. Power on the system and verify link/activity LEDs.

5. Configure IP, subnet, and protocol settings through GE programming software.

   
   

Maintenance

• Inspect RJ45 contacts annually for corrosion/dust.

• Keep firmware up to date for protocol security improvements.

• If replacing the module, observe ESD protection procedures.

• Store spare units in anti-static protective packaging.

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7. Additional Information

• Designed as a drop-in Ethernet upgrade for legacy serial-only GE controllers.

• Frequently used in modernization projects to connect older systems to cloud/IIoT platforms.

• Long-term service supported through GE’s industrial parts program.