Description
1. Product Title
GE IS215VCMIH2CA – Mark VI VME Communication Interface Board
2. Product Overview
The GEIS215VCMIH2CA (and its core PCB componentIS200VCMIH2CAA is a critical communication interface module designed for the Speedtronic™ Mark VI turbine control system. This module serves as the primary bridge between the VME control rack and the IONet (Input/Output Network), facilitating the high-speed distribution of data across the control system.
The IS215VCMIH2CA manages the coordination of internal data traffic, ensuring that the main controller (UCVE) can communicate seamlessly with various I/O terminal boards and protection modules. By providing dedicated processing for communication tasks, it offloads the networking burden from the main CPU, maintaining the deterministic performance required for gas and steam turbine regulation.
3. Technical Specifications
- Brand: General Electric (GE)
- Model: IS200VCMIH2CAA
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VI Speedtronic
- Communication Interface: IONet (Ethernet-based proprietary network)
- VME Slot Occupancy: Single slot (typically Slot 1 in a VME rack)
- Baud Rate: 100 Mbps (IONet)
- Diagnostics: Front-panel LED status indicators (Power, Run, Fault)
- Isolation: Built-in electromagnetic interference (EMI) shielding
- Operating Temp: 0°C to +70°C (+32°F to +158°F)
4. Key Features & Benefits
- IONet Management: Functions as the master communication hub for the VME rack, managing three distinct IONet ports for Triple Modular Redundancy (TMR) synchronization.
- Deterministic Data Transfer: Ensures that I/O data is transmitted with microsecond precision, which is vital for preventing turbine trips and managing overspeed protection.
- Hardware-Based Voting Support: Provides the necessary data pathways for the Mark VI system to perform 2-out-of-3 (2oo3) voting logic across redundant control paths.
- Robust Diagnostic Suite: Monitors the health of all connected I/O modules and reports communication errors directly to the HMI for rapid troubleshooting.
5. Application Scenarios
- Main Control Rack Hub: Typically installed in the first slot of the Mark VI VME rack to act as the primary interface for the R, S, and T control processors.
- Redundant Turbine Control: Deployed in TMR systems for large-scale GE Frame 7 and Frame 9 gas turbines where high-availability communication is non-negotiable.
- Data Aggregation: Used in complex power plant environments to consolidate signals from multiple remote I/O terminal boards into a centralized control sequence.
6. Frequently Asked Questions (FAQ)
- Q: What is the difference between IS215VCMIH2CA ?
- A: The IS215 number refers to the complete assembly (including the faceplate and firmware), while the IS200 number identifies the physical printed circuit board (PCB) used within that assembly.
- Q: Where is this module usually located in the cabinet?
- A: In most Mark VI configurations, theIS215VCMIH2CA is located in the VME rack, specifically in the leftmost slot (Slot 1), to manage the rack’s internal backplane and external IONet traffic.
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