IS420UCSCH2A

The IS420UCSCH2A is a standalone controller in GE's Mark VIe UCSE series. It is a single-module, all-in-one controller that requires no batteries or hardware jumper settings, and is a high-performance control unit designed specifically for industrial power plants.

This controller is installed independently on the control cabinet panel and communicates with system I/O modules and higher-level devices via onboard IONet, Ethernet, and high-speed serial interfaces. It does not feature a local backplane I/O; all field signals are acquired by external I/O modules, making it the core computational and logic unit within a distributed architecture.

Thanks to its high stability, strong compatibility, and comprehensive safety design, this controller can function independently as a turbine controller or be used for DCS and balance-of-plant (BoP) control. Widely deployed in critical power generation units across the global energy sector, it is a classic mid-range control core module within the Mark VIe control system.

• CPU Frequency: 1.6 Ghz
• CPU Cores: 2
• Mark VIe Cores: 2
• L2 Cache: 2M
• Qnx Version: 6.5 or 7.1
• Max Power Consumption: 31 W
• Orientation Capability: Vertical
• Memory Type: DDR3-1066
• Altitude: 1000 m Nominal
• Reverse Polarity Protection: Provided

The original PLC system at a certain hydropower plant had become outdated and needed to be upgraded to an open, reliable controller that could be integrated with a remote monitoring center. Therefore, the IS420UCSCH2A was deployed to replace the existing controller, utilizing its eight Ethernet ports to connect to local I/O, speed controllers, the excitation system, and the host computer, respectively.

Encrypted remote maintenance is enabled through built-in security features. Following the upgrade, the system's MTBF increased threefold, and operations and maintenance personnel can perform secure diagnostics via VPN, resulting in an 80% reduction in unplanned downtime annually.

Download Datasheet: GE-Mark-VIe-UCSE.pdf