IS420UCSBH3A GE
The IS420UCSBH3A controller is another version of the UCSB controller from the Mark VIe Series produced by General Electric. This controller is described as a Mark VIe or MarkStat Controller in the GEH-6725 Mark VIe and Mark VIeS Controls Equipment HazLoc Instruction Guide. This device is equipped with a 1200 MHz EP80579 Intel Microprocessor. This controller is very similar to the UCSC controller in the Mark VIe Series, and while the two controllers have different hardware forms the software forms on the two controllers are nearly identical. Some of the advantages to a controller such as this are the lack of battery and fan as well as the lack of required jumper settings.
The IS420UCSBH3A controller has a variety of LEDs on the front plate, some of which are:
OT which displays amber when the internal components have surpassed the recommended limit
ON which indicates the status of the restoration process
DC which displays a solid green LED when the controller has been chosen as the designed controller
ONL which will be solid green when the controller is online and running the application code
This controller also has specific location certifications and standards needed to operate reliably. When mounted in Class I, Division 2, Groups A, B, C, or D, the IS420UCSBH3A controller requires ANSI/ISA-12.12.01-2015 or CAN/CSA-C22.2 No.
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