GE IC687BEM731-AB: PLC Ethernet Communication Module

Overview

The GE IC687BEM731-AB is a high-performance Ethernet communication module designed for GE’s Series 90-30 PLC systems. It provides reliable network connectivity, enabling seamless data exchange between PLCs and other industrial devices. With robust industrial-grade design, this module ensures high availability and long-term operation in demanding automation environments.

Features

• High-speed Ethernet communication supporting 10/100 Mbps

• Compatible with GE Series 90-30 PLC systems

• Supports multiple protocols including TCP/IP, Modbus TCP, and GE SRTP

• Advanced diagnostics with LEDs for network status, link, and activity

• Hot-swappable and easy integration into existing control systems

Applications

This module is ideal for a variety of industrial automation scenarios:

• Manufacturing process control

• Energy and utility management

• Oil and gas automation systems

• Water treatment and distribution networks

• Factory automation and SCADA integration

  
  

Specifications

Parameter	Description
Model Number	IC687BEM731-AB
Communication Type	Ethernet 10/100 Mbps
Protocols Supported	TCP/IP, Modbus TCP, SRTP
Power Supply	5V DC from PLC backplane
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% non-condensing
Dimensions	90 mm x 50 mm x 100 mm
Weight	150 g

Structure & Components

The IC687BEM731-AB module consists of a compact printed circuit board with integrated Ethernet PHY and MAC controllers. Status LEDs provide visual indication of link activity, errors, and module health. The module connects to the PLC backplane via a 50-pin connector, ensuring secure communication with minimal installation effort.

Installation & Maintenance

• Installation: Slide the module into the PLC rack; ensure proper alignment with the backplane connector.

• Configuration: Use GE’s programming software (Proficy or Automation Suite) to assign IP addresses and network settings.

• Maintenance: Minimal maintenance is required; periodic inspection of LEDs and connection integrity is recommended. Hot-swappable design allows replacement without system shutdown.

Advantages

• Ensures high-speed and reliable data transfer across industrial networks

• Supports remote monitoring and control via Ethernet

• Simplifies network expansion with plug-and-play design

• Durable design suited for industrial conditions