Technical Specifications
- Manufacturer: GE Fanuc (Emerson Automation Solutions)
- Model: IC660ELB912G
- Product Type: μGENI (Micro Genius) Network Interface Daughterboard
- Compatibility: Genius I/O Bus, IBM PC/AT-compatible host systems, GE Fanuc Series 90-30/90-70 PLCs
- Host Interface: Shared dual-port RAM (optimized for ISA bus; adaptable to other CPU buses)
- Bus Capacity: Controls up to 30 Genius bus devices per daughterboard
- Communication Baud Rates:
- Standard: 38.4 Kbps, 76.8 Kbps, 153.6 Kbps
- Extended: 153.6 Kbps (high-speed mode)
- Power Supply: 5 VDC ±5%, 400 mA (logic power)
- Isolation: 1500 V DC (bus-to-host, noise immunity)
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5%–95% (non-condensing)
- Dimensions (H×W×D): 140 × 30 × 25 mm (5.5 × 1.2 × 1.0 in)
- Weight: 200 g (0.44 lbs)
- Certifications: UL Listed, CE Marked, RoHS Compliant, FCC Certified, CSA Certified
Key Features
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Dual-Port RAM Architecture for Efficient Data Handling
- Utilizes shared dual-port RAM to enable fast, latency-free data synchronization between the host processor and the Genius I/O Bus.
- Offloads all low-level communication tasks (e.g., message framing, error checking, bus arbitration) from the host, freeing the host to focus on application logic.
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High-Speed, Reliable Genius Bus Communication
- Supports 153.6 Kbps extended baud rate for real-time control of high-speed processes (e.g., robotics, conveyor systems, and motion control).
- Implements noise-immune Genius Bus protocol with 1500 V DC isolation, ensuring stable communication in electrically harsh industrial environments.
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Comprehensive Network Management & Diagnostics
- Maintains real-time status images of all 30 connected bus devices, enabling the host to monitor I/O status, fault conditions, and device health.
- Detects and reports bus errors, device timeouts, and communication faults to the host for predictive maintenance and quick troubleshooting.
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Modular & Compact Design for Easy Integration
- Designed as a plug-in daughterboard for single/two-slot IBM PC Interface Modules (PCIM) or compatible host systems, requiring no additional chassis.
- Compact, rugged PCB construction with industrial-grade components ensures reliable operation in extreme temperatures (-40°C to +70°C) and high-vibration environments.
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Peer-to-Peer Communication Support
- Enables the host to communicate with other Genius LAN hosts/controllers via global data, datagram, and directed control messages, supporting distributed control architectures.

Application Scenarios
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Industrial Automation & Process Control
- Manufacturing: Integrates PCs/PLCs with remote Genius I/O blocks for assembly line control, material handling, and machine monitoring in automotive, electronics, and general manufacturing.
- Chemical & Petrochemical: Connects host controllers to distributed analog/digital I/O for monitoring reactor parameters, tank levels, and pipeline flows in hazardous areas.
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Energy & Power Generation
- Thermal Power Plants: Links plant control PCs to Genius I/O modules for boiler, turbine, and auxiliary system monitoring/control, ensuring high availability and safety.
- Renewable Energy: Manages remote I/O for wind turbine farms and solar power plants, collecting sensor data and controlling actuators via the Genius Bus.
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Water & Wastewater Treatment
- Connects central control systems to distributed Genius I/O blocks for monitoring water quality (pH, turbidity, dissolved oxygen) and controlling pumps, valves, and blowers in treatment plants.
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Building & Infrastructure Automation
- HVAC Systems: Integrates building management PCs with remote I/O for temperature, humidity, and air flow control in large commercial buildings, data centers, and hospitals.










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