GE IS215VCMIH2C

Technical Specifications

• Manufacturer: General Electric (GE) Energy
• Product Series: Mark VI Speedtronic Turbine Control System
• Board Type: VME Communication Interface (VCMI) Board, VME Bus Master Controller
• Functional Variant: VCMIH2C (standard VCMI for Mark VI)
• PCB Coating: Conformal coating for environmental protection
• Processor: 32-bit embedded processor optimized for VME bus master operations
• Memory: Dual-port memory for high-speed data sharing with VME bus modules
• Operating System: QNX real-time operating system (compatible with Mark VI software)
• Dimensions: 233.35 mm × 100 mm × 20 mm (single-slot VME form factor, 6U VME size)
• Weight: 0.4 kg (0.88 lbs)
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -55°C to +85°C
• Humidity Range: 5% – 95% non-condensing
• Vibration Resistance: Compliant with IEC 60068-2-6 (10–500 Hz, 10 g peak)
• Shock Resistance: Compliant with IEC 60068-2-27 (50 g, 11 ms duration)
• Power Requirements: +5 V DC, typical current 150 mA, maximum current 200 mA; monitors internal +5 V, ±12 V, ±15 V, and ±28 V power supply buses
• Communication Interfaces: VME bus (32-bit, 33 MHz), 1 or 3 Ethernet IONet ports (10BaseT/100BaseTX) for simplex or TMR systems, RS-232C serial port for configuration and diagnostics
• IONet Support: Interfaces with IONet system control network for distributed I/O rack communication
• Bus Master Capability: Manages VME bus arbitration and data transfer between modules
• Diagnostic Monitoring: Monitors power supply buses (alarm settings configurable at 3.5% for most, 5.5% for 28 V supplies), ground fault, and over/under voltage on P125 V bus
• Connectors: VME bus connectors, RJ-45 Ethernet ports (IONet), DB-9 serial port, vertical pin connectors for power and diagnostics
• Mounting: Standard 13- or 21-slot VME rack, single-slot installation
• Certifications: UL/cUL Class I, Div 2 compliant; IEC 61010-1 safety certified; CE marked for EMC compliance

Functional Features

• VME Bus Master Operation: Acts as the VME bus master, managing bus arbitration and data transfer for efficient communication between modules.
• IONet Interface: Connects to the IONet control network, enabling communication with distributed I/O racks and other VCMI boards.
• Board ID Management: Manages IDs for all boards in the rack and their corresponding terminal boards, ensuring proper system configuration.
• High-Speed Data Exchange: Facilitates high-speed data transfer across the VME backplane, expansion racks, and TMR control processors.
• Diagnostic Monitoring: Monitors power supply buses, ground faults, and voltage levels, with configurable alarm settings for proactive fault detection.
• Simplex and TMR Compatibility: Supports both simplex (single IONet port) and TMR (three IONet ports) system architectures.
• Rugged Environmental Design: Conformal coating and wide operating temperature range ensure reliable performance in harsh industrial environments.
• Seamless Mark VI Integration: Works with other Mark VI modules, providing a robust communication backbone for turbine control systems.
• Power Supply Monitoring: Monitors internal power buses and external power distribution module (PDM) signals for system integrity.

Application Scenarios

• Mark VI Speedtronic Turbine Control: Core communication component in Mark VI systems for steam and gas turbines, enabling data exchange between controllers and I/O modules.
• Power Generation Plants: Installed in thermal power plants, combined cycle power plants, and industrial cogeneration facilities to support turbine control and monitoring.
• TMR Control Architectures: Deployed in TMR systems for critical turbine applications requiring high reliability and fault tolerance.
• Distributed I/O Communication: Manages communication between central controllers and remote I/O racks in large-scale turbine control systems.
• Industrial Automation Retrofits: Compatible with older GE turbine models for upgrade to Mark VI control systems, extending asset lifespan.
• Petrochemical and Heavy Industry: Used in refineries, chemical plants, and steel mills relying on gas turbines for power and process heat, ensuring continuous operation and safety.

Compatibility

• GE Platforms: Mark VI Speedtronic turbine control systems, compatible with both simplex and TMR architectures.
• Rack Configurations: Standard 13- or 21-slot VME racks for Mark VI systems.
• IONet Systems: Interfaces with IONet control network for distributed I/O rack communication.
• Communication Protocols: VME bus, Ethernet (10BaseT/100BaseTX) for IONet, RS-232C for configuration and diagnostics.
• Power Supplies: +5 V DC industrial power systems with tolerance for ±10% voltage fluctuations; monitors internal ±12 V, ±15 V, and ±28 V buses.
• Software: Fully compatible with GE ToolboxST for configuration, real-time monitoring, and firmware updates.

Installation Notes

1. VME Rack Mounting: Install in a standard 13- or 21-slot VME rack, align with bus connectors, and secure with locking clips to prevent vibration-induced disconnections.
2. Power Connection: Supply +5 V DC to power terminals, verify correct polarity to avoid component damage; ensure power supply meets ±10% voltage tolerance requirement.
3. IONet Configuration: Connect IONet Ethernet ports (1 for simplex, 3 for TMR) using shielded cables to minimize electromagnetic interference.
4. Serial Communication: Use the DB-9 serial port for initial configuration and diagnostic purposes with GE ToolboxST.
5. Board ID Setup: Configure board IDs and terminal board associations using ToolboxST to ensure proper system operation.
6. Diagnostic Check: After installation, perform a diagnostic test to verify power supply monitoring, IONet communication, and VME bus operation.
7. Environmental Protection: Ensure installation enclosure has IP54 or higher rating to complement conformal coating and protect against dust, moisture, and chemical contaminants.
8. Post-Installation Testing: Conduct a full system test including data communication, bus arbitration, and fault simulation to confirm board functionality before turbine operation.

Key Advantages

• VME Bus Master Control: Manages bus arbitration and data transfer, ensuring efficient communication between modules.
• IONet Connectivity: Enables communication with distributed I/O racks, supporting large-scale turbine control systems.
• Diagnostic Monitoring: Proactive fault detection through power supply and PDM signal monitoring, reducing maintenance time and costs.
• Simplex and TMR Compatibility: Works with both system architectures, providing flexibility for different application requirements.
• Rugged Industrial Design: Conformal coating and wide operating temperature range ensure reliable performance in harsh environments.
• Seamless Mark VI Integration: Compatible with other Mark VI modules, simplifying system design and integration.