Mark VI turbine contro IS215UCVEM09A VME control card
The GE IS215UCVEM09A is a high-performance VME control card designed for GE’s Mark VI turbine control system. As part of the Mark VI series, this ruggedized module serves as the central processing unit for gas/steam turbine protection and sequencing operations. The IS215UCVEM09A features triple modular redundancy (TMR) architecture with <1μs synchronization skew between processors, ensuring fault-tolerant control in critical power generation applications.
With dual PowerPC 750GL processors running at 800MHz, the IS215UCVEM09A executes 512 protective algorithms simultaneously while maintaining <5ms scan cycle times. Its VME64x backplane interface supports 160MB/s data throughput for real-time communication with I/O modules like IS200 series.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Model | IS215UCVEM09A |
| Manufacturer | GE Industrial Systems |
| Type | VME Turbine Control Card |
| Processors | Dual PowerPC 750GL @800MHz |
| Memory | 512MB SDRAM + 64MB Flash |
| Scan Time | <5ms (typical) |
| Redundancy | TMR (2-out-of-3 voting) |
| Backplane | VME64x (160MB/s) |
| Communication | 100Base-T Ethernet |
| Operating Temp | -40°C to +70°C |
| Humidity | 5-95% non-condensing |
| Power Consumption | 25W (max) |
| Dimensions | 233×160×20mm |
| Certifications | UL 508, CE, IEC 61508 SIL2 |
Key Features and Advantages:
Fault tolerance: The IS215UCVEM09A’s TMR architecture provides <1ms failover time during processor faults, achieving 99.9998% availability in 24/7 power plants. Its ECC memory corrects single-bit errors automatically.
Deterministic control: Hardware-based watchdog timer guarantees <10μs jitter for critical protection functions like overspeed detection. The module executes 16,000 Boolean operations per millisecond.
Connectivity: Dual Ethernet ports support simultaneous communication with HMI stations and peer controllers via SRTP protocol. Built-in web server enables remote diagnostics without additional software.
Application Areas:
- Combined Cycle Plants: GT/ST sequencing and load sharing.
- Nuclear: Reactor coolant pump control.
- Oil & Gas: Compressor anti-surge protection.
- Marine: LNG carrier turbine control.
In hydroelectric plants, the IS215UCVEM09A coordinates wicket gate positioning with <0.1° accuracy.
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Installation and Maintenance:
Installation preparation: Verify VME backplane slot keying matches IS215UCVEM09A’s 32-bit configuration before insertion. Use ESD wrist straps when handling the module to prevent static damage.
Maintenance recommendations: Perform firmware updates during planned outages using ToolboxST software. Clean air filters quarterly to prevent overheating in dusty environments.
Product Assurance:
GE provides 12-month warranty with lifetime technical support for IS215UCVEM09A control cards. Each unit undergoes 1,000-hour burn-in testing including 50 thermal shock cycles.
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