



The GE IS215VCMIH1BB is a VCMI (VME Communications Interface) Assembly Module used in GE Mark VI Speedtronic turbine control systems. It functions as a central communication gateway, enabling data exchange between turbine controllers, I/O subsystems, and the IONet control network.
In industrial power generation environments, this module is essential for maintaining real-time deterministic communication, ensuring that control signals, diagnostics, and system coordination data are transmitted reliably across the turbine control architecture.
Technical Specifications — Communication & Hardware Architecture Profile
| Category | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Series | Mark VI Speedtronic |
| Product Type | VME Communications Assembly Module |
| Functional Code | VCMI |
| Main Function | System communication & I/O network interfacing |
| Processor Type | Texas Instruments TMS320C32 DSP |
| Memory | ~32 KB dual-port SRAM (configuration dependent) |
| Flash Memory | 128 KB × 8 |
| Communication Interfaces | Ethernet (3 × 10Base2), RS-232C, Parallel port |
| Network Role | IONet communication interface |
| VME Bus | Full VME backplane integration |
| Diagnostic Features | LED status indicators (RUN / FAIL / STATUS) |
| Watchdog Timer | Processor protection & fault recovery |
| Control Systems Supported | Simplex & TMR architectures |
| PCB Coating | Conformal coated industrial board |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | 6U VME board format |
| Weight | ~2.5 – 3.0 kg (approx.) |
The module acts as a communications hub inside Mark VI turbine racks, managing high-speed data exchange between control processors and field devices while ensuring system-level synchronization.
Recommended Related Models — GE System Integration Components
For complete Mark VI turbine architecture, IS215VCMIH1BB is commonly used with:
- IS215UCVFH2A — Universal Control Unit processor module
- IS215UCVEH2AF — VME controller module
- IS215ACLEH1C — Application control layer module
- IS215GFOIH1A — Fiber optic interface module
- IS210BPPCH1AD — I/O pack processor board
These modules collectively provide processing, communication, signal acquisition, and system control coordination.
Popular GE Mark VI Modules — Industrial Automation Ecosystem
Common GE turbine control components include:
- IS210AEBIH2BE — Wind turbine interface module
- IS200VVIBH1C — Vibration monitoring module
- IS200EGDMH1A — Ethernet diagnostic gateway module
- IS200TRLYH1B — Relay output module
- IS200TBAIH1C — Terminal terminal assembly module
These modules are widely deployed in global power plants due to long-term reliability and strong field performance.