The GE IC687BEM713 is a high-performance bus expansion and communication module designed for GE industrial PLC systems, particularly used in Series 90-70 / Rx7i-related redundancy and expansion architectures. It plays a key role in enabling system scalability, rack expansion, and reliable high-speed data transmission between PLC modules and remote or redundant system components.

Our company supplies the GE IC687BEM713 module with stable stock, competitive pricing, and global shipping support, ensuring fast delivery for maintenance projects, system upgrades, and legacy automation replacements.

1. Product Overview – What is GE IC687BEM713?

The IC687BEM713 is a bus transmitter / expansion communication module used in industrial PLC systems to extend control architecture beyond a single rack.

Its main purpose is to:

• Enable communication between PLC racks
• Support redundant system configuration
• Expand I/O capacity in large automation systems
• Maintain synchronized data transfer between system segments

In redundancy setups, this module can work alongside redundancy communication components to ensure continuous system operation and data integrity.

This makes it especially valuable in mission-critical industrial environments, where system downtime is not acceptable.

2. Functional Role in PLC Architecture

The GE IC687BEM713 functions as a system-level communication backbone component.

2.1 Bus Expansion Function

It allows the main PLC rack to connect with up to multiple expansion racks, increasing overall system capacity significantly.

2.2 High-Speed Data Transmission

The module supports industrial high-speed communication (typically up to 500 Kbytes/sec effective rate) for real-time control applications.

2.3 Redundancy System Support

In redundant architectures, it helps maintain synchronized operation between parallel system sections, ensuring smooth failover when needed.

2.4 Programming and Configuration Interface

It provides a dedicated interface for configuration and system programming, supporting standard GE PLC engineering tools.

3. Technical Specifications of GE IC687BEM713

Based on industrial reference data, the IC687BEM713 typically includes the following characteristics:

Electrical Requirements

• Power supply: 5V DC (from PLC backplane)
• Current consumption: approximately 1.4A

Communication Performance

• Data transmission rate: up to 500 Kbytes/sec
• Program transfer time: 20–30 seconds for 16 KB program
• Maximum expansion distance: up to 50 feet (15 meters)

System Capacity

• Supports up to 7 expansion I/O racks
• Designed for Series 90-70 / compatible GE PLC architectures

Hardware Design

• Single-slot rack module
• Dual communication connectors:
  • Programming interface port
  • Expansion / bus daisy-chain port

Status Indication

• LED indicators for:
  • Module status
  • Communication activity
  • Expansion bus operation

Environmental Resistance

• Industrial-grade design for cabinet installation
• Suitable for continuous operation in harsh electrical environments

4. Key Features and Advantages

The GE IC687BEM713 is widely used because of its reliability and system flexibility:

• High-speed bus communication for industrial PLC networks
• Supports large-scale I/O expansion systems
• Stable redundancy architecture compatibility
• Easy integration into GE Series PLC systems
• No complex DIP-switch configuration required
• Long-distance rack expansion capability

These features make it suitable for large distributed automation systems.

5. Application Areas

The IC687BEM713 module is commonly used in industries requiring scalable and reliable PLC architecture:

5.1 Power Generation Systems

Used in control rooms and distributed control systems for stable plant operation.

5.2 Oil & Gas Facilities

Supports pipeline monitoring, refinery automation, and offshore control systems.

5.3 Heavy Manufacturing

Used in large-scale production lines requiring multiple PLC racks.

5.4 Chemical Processing

Ensures stable communication between safety and process control systems.

5.5 Water Treatment Plants

Supports distributed pump control and filtration automation systems.

6. Installation and Integration Guidelines

To ensure stable operation of the IC687BEM713 module:

• Install in a compatible GE PLC rack slot (single-slot design)
• Ensure correct connection of programming and expansion ports
• Maintain cable length within recommended limits (up to 50 ft)
• Use proper shielding for communication cables to avoid interference
• Configure system using GE PLC programming software

Correct installation ensures stable communication and long-term reliability.

7. Advantages of Using GE IC687BEM713

This module provides strong benefits for industrial automation systems:

• Expands PLC system capacity without redesigning architecture
• Improves system scalability for large factories
• Ensures stable high-speed communication between racks
• Supports redundancy-based high-availability systems
• Reduces downtime risk in critical industrial processes

It is especially important for maintaining legacy GE automation systems still widely used in industry.

8. Why Choose Our Company as Your Supplier?

We provide professional industrial automation supply services:

8.1 Stable Inventory

We maintain ready stock for fast-moving GE PLC modules.

8.2 Competitive Pricing

Direct sourcing allows us to offer cost-effective solutions for global customers.

8.3 Quality Inspection

All modules are tested and verified before shipment.

8.4 Fast Global Delivery

We support international logistics with secure packaging.

8.5 Technical Assistance

We assist with compatibility checks, replacement selection, and system integration support.

9. Conclusion – Reliable Supply of GE IC687BEM713 Modules

The GE IC687BEM713 bus expansion module is a critical component in GE industrial PLC systems, enabling rack expansion, high-speed communication, and redundancy system support. Its robust design and stable performance make it widely used in large-scale industrial automation environments.