Description
Hard-Numbers: Technical Specifications
- Protocol Support: Redundant IONet (10/100Mbps), UDH (10/100Mbps)
- Port Count: 5× RJ45 Ethernet (3× IONet, 2× UDH), 1× USB, 1× RJ45 console
- Processor: Freescale PowerPC 8548, dual-core, 800 MHz
- Memory: 512MB DDR SDRAM (ECC), 256MB Flash (150MB user)
- Power Draw: 15W max @ 24VDC (18–36VDC input)
- Operating Temperature: -40°C to +70°C
- Isolation Rating: 2500VAC RMS field-to-backplane
- Weight: 0.91 kg (2.0 lb)
- Dimensions: 165 × 96.5 × 56 mm
- Cooling: Passive convection (fanless)
- Redundancy: Triple-modular redundant (TMR) capable
- OS: QNX Neutrino RTOS 6.5

IS220UCSAH1AK
The Real-World Problem It Solves
Older 667MHz controllers choke on advanced model-based control and high-speed I/O loops. They drop signals during transients, causing trips and unstable turbine response.IS220UCSAH1AK eliminates lag with 800MHz dual-core processing and ECC memory, delivering deterministic control under full load.
Where you’ll typically find it:
- 7FA/9HA gas turbine control cabinets (Mark VIe TMR systems)
- Steam turbine governor and safety control loops
- Power plants with high I/O count and fast control requirements
Bottom line: IS220UCSAH1AK stops thermal and performance-related trips in high-demand turbine applications.
Hardware Architecture & Under-the-Hood Logic
IS220UCSAH1AK is a rugged embedded controller with dual-core CPU and hardware ECC. It acts as the system brain on the Mark VIe backplane, no external processor needed.
IS220UCSAH1AK



