General Electric's Mark VIe Controller IS420UCSBH1A is similar to the UCSC Controller and all of the same general information can be applied to the UCSB model. The IS420UCSBH1A model is typically a compact stand-alone controller used to help with controller logic.
The IS420UCSBH1A controller is the first of the UCSB controllers manufactured by General Electric as part of the Mark VIe Control Safety System Series.
This controller is similar to the UCSC controller and while it does not have the same hardware the software needed to operate this controller is nearly identical. According to the GEH-6725 Mark VIe and Mark VIeS, Controls Equipment HazLoc Instruction Guide the IS420UCSBH1A controller is labeled as a Mark VIe, LS2100e, and EX2100e controller. There is also a specific microprocessor used with this controller, the microprocessor installed in this device is the 600 MHz EP80579 Intel Processor.
UCSB Controller
GE Speedtronic Mark VIe IS420UCSBH1A Controller. The UCSB controllers are stand-alone computers that run application-specific control system logic. Unlike traditional controllers where I/O is on a backplane, the IS420UCSBH1A controller does not host any application I/O. Also, all I/O networks are attached to each controller providing them with all input data. The hardware and software architecture guarantees that no single point of application input is lost if a controller is powered down for maintenance or repair. The controller operating system (OS) is QNX Neutrino, a real-time, multitasking OS designed for high-speed, high-reliability industrial applications.
The IS420UCSBH1A controller uses Internal Flash. The UCSB controller mounts in a panel and communicates with the I/O packs through on-board I/O network
(IONet) interfaces. The I/O networks are private special-purpose Ethernet that supports only the I/O modules and the controllers.
The Mark VleS UCSBSlA Safety controller and Safety 1/0 modules are used for functional safety loops to achieve SIL 2 and 3 capabilities. Mark VleS Safety
equipment is used by operators knowledgeable in safety-instrumented system (SIS) applications to reduce risk in critical safety functions. Safety controllers
and distributed 1/0 modules are programmed specifically for safety control use, and this specific control hardware and software has IEC 61508 certification.
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