🔧 Product Overview – GE Fanuc IC687BEM742 Ethernet Communications Module
The GE Fanuc IC687BEM742 is an advanced Ethernet communication module designed for the Series 90-70 PLC platform. It provides high-speed, reliable data exchange between controllers, operator interfaces, and supervisory systems over an Ethernet network. Engineered with industrial-grade components, this module ensures consistent performance in demanding automation environments, offering robust connectivity, flexible configuration, and exceptional reliability for distributed control systems.
📊 Technical Specifications (Datasheet Summary)
| Parameter | Description |
|---|---|
| Manufacturer | GE Fanuc Automation |
| Model Number | IC687BEM742 |
| Product Type | Ethernet Communications Module |
| Function | Provides Ethernet interface for PLC-to-PLC and PLC-to-HMI communication |
| Network Type | 10Base-T / 100Base-TX Ethernet (auto-negotiating) |
| Protocol Support | TCP/IP, SRTP, Modbus/TCP |
| Connector Type | RJ-45 Ethernet port |
| Power Supply Voltage | 5 VDC from PLC backplane |
| Power Consumption | < 6 W typical |
| Operating Temperature Range | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5%–95% non-condensing |
| Mounting Type | Rack-mounted, Series 90-70 backplane compatible |
| Dimensions | 190 mm x 125 mm x 40 mm |
| Weight | ~0.45 kg |
| Diagnostic Indicators | Link, Activity, Module OK LEDs |
| Compliance | CE, UL, RoHS |
| Applications | Factory automation, process control, SCADA communication, industrial networking |
| Part Status | Active / Serviceable module |
⚙️ Functional Description
The IC687BEM742 module enables Ethernet connectivity for GE Fanuc PLC systems, allowing for fast data transmission and real-time communication between distributed control devices. It supports multiple Ethernet protocols, enabling flexible integration with HMIs, SCADA systems, and third-party equipment.
This module acts as a communication bridge, ensuring deterministic data flow and minimal latency. Its onboard processor handles data traffic efficiently, freeing up PLC resources for process control tasks. The built-in diagnostic LEDs provide real-time status monitoring of communication health, power, and network activity, aiding quick fault identification and troubleshooting.
🧩 Key Features
- 🌐 High-Speed Ethernet Communication – Enables seamless integration of PLCs and supervisory systems.
- ⚡ Multi-Protocol Support – Compatible with Modbus/TCP, SRTP, and standard TCP/IP.
- 🛠 Plug-and-Play Integration – Easily connects to existing GE Fanuc PLC racks.
- 💡 Built-In Diagnostics – LED indicators for network and module status.
- 🌡 Wide Operating Temperature – Ensures reliable performance in industrial environments.
- 🧰 Durable Construction – Designed for vibration resistance and extended service life.
🧰 Installation and Maintenance
Installation Guidelines:
- Power Off the System: Disconnect all power sources before installing the module.
- Static Precautions: Wear an antistatic wrist strap to protect sensitive electronic components.
- Slot Selection: Insert the module into a compatible slot on the Series 90-70 rack.
- Connection: Attach the Ethernet cable to the RJ-45 port; ensure a secure connection.
- Configuration: Assign the module’s IP address and parameters via PLC programming software.
- Testing: Power up the PLC, check LED indicators for proper operation, and perform a network ping test.
Maintenance Tips:
- Periodically inspect cables and connectors for looseness or oxidation.
- Keep the module and rack free of dust and contaminants.
- Check LED indicators regularly for abnormal communication patterns.
- Avoid exceeding rated temperature and humidity levels.
- Replace immediately if the board shows burnt marks or repeated connection loss.
⚠️ Usage Precautions
- Never remove or install the module while the system is powered.
- Ensure proper grounding of the PLC chassis to prevent electrical noise interference.
- Avoid sharp bending of Ethernet cables; use shielded twisted pair (STP) cables for long runs.
- Do not expose the module to moisture or direct sunlight.
- Use only GE-approved accessories and firmware updates to maintain system compatibility.
🌍 Applications
The GE Fanuc IC687BEM742 is commonly used in:
- Distributed PLC network systems
- SCADA and HMI integration
- Manufacturing automation lines
- Process monitoring and control applications
- Energy and utility plant control systems
🌐 For More Information
Find detailed specifications and ordering options at https://www.fy-module.com/ and https://www.fy-module.com/product/.
🔗 Recommended Similar Products
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📦 Summary:
The GE Fanuc IC687BEM742 Ethernet Communications Module is a reliable and efficient solution for industrial Ethernet connectivity. Its robust design, versatile protocol support, and diagnostic capabilities make it a vital component for modern automation networks. Proper installation, regular maintenance, and adherence to electrical safety standards ensure continuous operation, network stability, and long service life in industrial control environments.
