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GE 44A751101-G01
The GE 44A751101-G01 is an I/O communication expansion module belonging to the General Electric (GE) Mark VIe Speedtronic™ series, specifically designed for control systems of large rotating machinery such as gas turbines and steam turbines. As a key component of the distributed I/O architecture, this module enables high-speed data communication between controllers and remote I/O stations, supporting real-time control signal transmission and monitoring data acquisition.
Core Values of 44A751101-G01
- High-Speed Communication: Adopts industrial Ethernet protocols (e.g., SRTP or Modbus TCP) to ensure low-latency and high-bandwidth data exchange.
- Redundant Design: Dual RJ45 ports support ring network redundancy (HSR/PRP), enhancing system reliability.
- Seamless Integration: Natively compatible with GE Mark VIe controllers (e.g., IS200ERMG), simplifying system configuration.
Product Specifications
- Product Model: 44A751101-G01
- Manufacturer: General Electric (GE)
- Product Type: I/O Communication Expansion Module
- Communication Protocol: Industrial Ethernet (SRTP/Modbus TCP)
- Communication Rate: 100/1000 Mbps (auto-negotiation)
- Interface Type: Dual RJ45 ports (supports ring network redundancy)
- Operating Voltage: 24V DC (powered via Mark VIe backplane)
- Power Consumption: ≤10W (typical)
- Operating Temperature Range: -20°C to +70°C (-4°F to +158°F)
- Protection Class: IP20 (must be installed in a control cabinet)
- Mounting Method: DIN rail mounting or direct insertion into Mark VIe rack
- Compatibility: GE Mark VIe controllers (e.g., IS200ERMG)
- Firmware Upgrade: Supports online upgrade (via ToolboxST software)
Structure and Composition
The 44A751101-G01 features a compact industrial design, with main components including:
- Ethernet Communication Chip: A high-performance processor that supports real-time industrial protocols (e.g., SRTP) and standard TCP/IP communication.
- Dual RJ45 Ports: Provide redundant network connections, support ring network topology (HSR/PRP), and enhance communication reliability.
- Backplane Interface: A high-speed connector that interacts with the Mark VIe rack backplane to obtain power and transmit data.
- Status Indicators: LEDs display power status, network activity, and fault conditions for quick diagnostics.
- Metal Enclosure: Offers EMC shielding and mechanical protection, complying with industrial anti-vibration standards.
Key Features and Advantages
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High-Reliability Communication
- Supports Gigabit Ethernet, meeting the high-bandwidth requirements of real-time control data with latency below 1ms.
- Features dual-network-port redundancy design, supporting HSR/PRP ring networks to avoid system outages caused by single-point failures.
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Seamless Integration with Mark VIe Systems
- Natively compatible with GE Mark VIe controllers (e.g., IS200ERMG), eliminating the need for additional protocol conversion.
- Enables easy configuration of network parameters and I/O mapping via ToolboxST software.
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Enhanced System Scalability
- Supports connection to up to dozens of remote I/O stations, significantly reducing on-site wiring costs.
- Flexibly adapts to various I/O modules (e.g., analog input IC693ALG390 or digital output IC693MDL654).
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Industrial-Grade Durability
- Wide operating temperature range (-20°C to +70°C), suitable for harsh environments such as power plants and offshore platforms.
- Complies with the IEC 61800-3 standard, offering strong electromagnetic interference (EMI) resistance.
Installation and Maintenance
Pre-Installation Preparation
- Ensure the Mark VIe rack is powered off (or supports hot swapping), and wear an anti-static wristband.
- Review the network topology diagram and plan the connection sequence of RJ45 ports (to avoid ring network logic conflicts).
Maintenance Recommendations
- Regularly check the network connection status (via LEDs or software diagnostic tools).
- Clean the module’s heat dissipation holes to prevent dust accumulation from affecting heat dissipation.
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