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Description:TMR (Triple Modular Redundancy) main controller module, used in high-reliability control systems.
Product condition: New
Packing condition:Factory Packing
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| Manufacturer | GE |
| Item number | IS220UCSAH1A |
| Country of Origin | United States |
| Lead Time | In stock |
| After-Sales Support | 12-months |
| HS Code / Commodity code | 8537101190 |
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GE IS220UCSAH1A – What it is
IS220UCSAH1A is the “super-brain” of GE’s Mark VIe / Mark VIeS safety-rated control family—a Triple-Modular-Redundant (TMR) main-controller pack.
Located in the controller rack, it executes real-time control algorithms, protection logic and communication management for gas / steam turbines and delivers SIL 3 functional safety through three-way voting.
|
Item |
Specification |
|
Model |
GE IS220UCSAH1A |
|
Type |
Embedded safety controller (CPU) |
|
Processor |
Freescale PowerPC 8349, 667 MHz, multi-core |
|
Memory |
256 MB DDR SDRAM + non-volatile storage |
|
RTOS |
QNX Neutrino |
|
Power |
24 VDC via backplane (18-36 V) |
|
Consumption |
typ. 12.5 W |
|
Interfaces |
6× 10/100 Mbit RJ45 (2×UDH + 4×IONet) + 1×USB |
|
Redundancy |
DMR/TMR capable |
1. Native TMR: three modules run and vote in parallel—single failure does not affect outputs
2. Deterministic: millisecond loop times for speed control, anti-surge, load sharing
3. On-line self-check: CPU, memory, comms and I/O continuously monitored; hot-swap keeps MTTR low
4. Multi-protocol: Modbus-TCP, EtherNet/IP, IEC 61850 built-in for easy DCS/SCADA/IT integration
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