GE IC600CB536L

Overview

The GE IC600CB536L is a Communication Control Module (Type 2) from the GE Fanuc Series Six PLC system. It is designed to manage and coordinate serial and network communication between programmable controllers and external devices, enabling reliable data exchange in industrial automation environments.

This module supports both point-to-point and multidrop communication configurations, making it suitable for distributed control systems where multiple PLC nodes or remote devices must be integrated into a single control network.

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Core Technical Specifications

Item	Description
Product Model	IC600CB536L
Series	GE Fanuc Series Six
Module Type	Communication Control Module (Type 2)
Communication Interfaces	RS-232 / RS-422
Network Modes	Point-to-point, multidrop
Max Distance (RS-422)	Up to ~4000 ft (cable dependent)
Max Slave Devices	Up to 8 (in multidrop configuration)
Protocol Function	Master/slave communication control
Installation	PLC rack-mounted module
Application	Industrial PLC communication interface

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Functional Description

The IC600CB536L acts as a communication coordinator module within GE Series Six PLC systems. It manages data transmission between a master controller and multiple slave devices across serial communication lines.

Key operational functions include:

• Establishing master-slave communication control
• Handling data exchange over RS-232 or RS-422 links
• Supporting multi-device multidrop networks
• Initiating communication requests from master devices
• Ensuring reliable signal transmission in electrically noisy environments

In multidrop mode, the module allows multiple PLC or remote devices to share a single communication line, improving system scalability and reducing wiring complexity.

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Key Features

• Supports RS-232 and RS-422 serial communication standards
• Enables both point-to-point and multidrop configurations
• Allows connection of up to 8 slave devices on a single network line
• Suitable for long-distance industrial communication (up to 4000 ft on RS-422)
• Designed for industrial noise-resistant environments
• Compatible with legacy GE Fanuc Series Six PLC systems
• Reliable master/slave communication architecture

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Structure and Hardware Design

The IC600CB536L is built as a rack-mounted industrial communication module, featuring:

• Front interface for system diagnostics (depending on rack configuration)
• Serial communication ports (RS-232 / RS-422)
• Backplane connector for PLC integration
• Internal communication control logic circuitry
• Industrial-grade PCB designed for continuous operation

Its architecture is optimized for stable long-distance communication and multi-node control networks.

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Applications

The GE IC600CB536L is commonly used in legacy industrial automation systems, including:

• Power generation control systems
• Oil & gas process automation
• Chemical and petrochemical plants
• Manufacturing line PLC communication networks
• Remote industrial monitoring systems
• Distributed control systems (DCS integration with PLC networks)

It is especially useful in environments where multiple controllers must coordinate over long distances using serial communication links.

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Installation & Maintenance

Installation Guidelines

• Install into compatible GE Fanuc Series Six PLC rack
• Ensure correct backplane alignment before insertion
• Configure communication mode (RS-232 or RS-422) based on system design
• Properly terminate RS-422 lines to avoid signal reflection
• Verify master/slave addressing before system startup

Maintenance Recommendations

• Inspect communication cables regularly for wear or interference
• Ensure proper shielding in high-EMI environments
• Check system configuration if communication errors occur
• Replace module only with exact part number compatibility
• Maintain clean and secure rack connections

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Operational Principle

The module operates by:

• Receiving communication requests from the master controller
• Routing data through serial communication channels
• Managing timing and synchronization for multidrop networks
• Coordinating multiple slave devices on a shared communication line

This ensures deterministic and structured communication across distributed PLC systems.

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Conclusion

The GE IC600CB536L Communication Control Module is a key legacy communication interface for GE Fanuc Series Six PLC systems. It enables reliable serial communication, multi-device networking, and long-distance data exchange, making it an essential component in older but still widely used industrial automation infrastructures.

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