Description
Hard-Numbers: Technical Specifications
- Processor: Freescale PowerQUICC II Pro (MPC8349), 667 MHz
- OS: QNX Neutrino RTOS (Real-Time OS)
- Memory: DDR SDRAM; CompactFlash for application storage
- Power Input: 18–36 V DC (typically 24 V), 12 W
- Cooling: Fanless, passive convection cooling
- Ethernet Ports:
- 2× 10/100 UDH (Unit Data Highway)
- 3× 10/100 IONet (for I/O modules)
- Console: 1× RJ45 (serial console)
- USB: 1× USB (front)
- LEDs: PWR, Boot, Online, Flash, Diagnostics
- Temp: -30°C to +65°C (operating)
- Hazardous: Class I Div 2, Zone 2
- Dimensions: ~165 × 96.5 × 56 mm
- Weight: ~0.4–0.96 kg
- Mount: Base-mount in Mark VIe cabinet
- Redundancy: Supports triple-redundant (TMR) setups
IS220UCSAH1
The Real-World Problem It Solves
Legacy turbine controllers lack processing power for modern control algorithms and struggle with high-speed I/O networking. delivers real-time performance, deterministic QNX operation, and five isolated Ethernet ports to run complex steam/gas turbine control with zero downtime.
Where used:
- Gas/steam turbine primary control
- Mark VIe main controller (TMR systems)
- Critical process control in power generation
- Connected to all I/O modules via IONet
Hardware Architecture & Under-the-Hood Logic
is a self-contained embedded computer:
- Boots QNX RTOS from CompactFlash
- Executes turbine control logic (speed, load, temperature)
- Communicates with I/O packs (TRPA, PVIB, TVBA, etc.) over IONet
- Exchanges data with plant SCADA via UDH Ethernet
- Front LEDs show status; USB/console for maintenance
- Passive cooling for high reliability in cabinets
Field Service Pitfalls: What Rookies Get Wrong
Incorrect Power PolarityReversing 24V DC damages internal regulators.
- Rule: Verify polarity before power-up; module has reverse protection but avoid stress
Mismatched IONet/UDH CablingCrossing UDH and IONet causes total communication loss.
- Rule: Label ports clearly; use dedicated switches for IONet vs UDH.
Outdated QNX/ControlST VersionsMismatched firmware causes I/O faults and failed boots.
- Rule: Match ControlST version to all modules; upgrade CF card if needed.
Overheating in Enclosed RacksBlocking side vents causes thermal shutdown.
- Rule: Maintain 50mm clearance; ensure cabinet airflow.
IS220UCSAH1
Commercial Availability & Pricing Note
Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.
