General Electric IS420UCSBH1A Mark Vle UCSC Controller
Controller and Switch Instructions
The equipment listed in this chapter is certified for use in certain specified hazardous (classified) locations. Follow all
applicable instructions in the section Conditions of Safe Use and the specific section for each piece of equipment for proper
use of this equipment in these locations.
UCSA,UCSB,UCSCandUCSDControllers
The following table lists the controllers that are certified for hazardous location usage.
Note For UCSC, UCECandUCSDcontroller conditions of safe use and hazardous locations installation requirements, refer
to UCSC, UCEC and UCSDInstallation and Maintenance Requirements (GFK-3006).
For general application information, refer to the Mark VIe and Mark VIeS Control Systems Volume II: General-purpose
Applications System Guide (GEH-6721_Vol_II), the section UCSC Controllers.

UCECModule
The IS420UCECH1 module is certified for hazardous location usage. This module is an IS420UCSCH1 controller coupled
with a seven I/O port expansion board. The UCSCH1 controller contained within the UCECH1 module has the same features
and benefits as the stand-alone UCSCH1 controller. For further details on the UCECH1 module, refer to the Mark VIe and
Mark VIeS Control Systems Volume II: General-purpose Applications System Guide (GEH-6721_Vol_II), the section
UCECH1x I/O Port Expansion Module.
Dual core, 1.6 GHz AMD G-Series IS420UCSCH1 IS420UCSCH2
Dual core, 1.6 GHz AMD G-Series IS420UCSCS2
Quad core, 1.6 GHz AMDV1000–Series IS420UCSCS2
Quad core, 1.6 GHz AMDV1000–Series IS420UCSDS1
600 MHzEP80579Intel® IS420UCSBS1A IS421UCSBS1A (conformal coated)
1066 MHzEP80579Intel IS420UCSBH1A IS421UCSBH1A (conformal coated)
1200 MHzEP80579Intel IS420UCSBH4A
IS421UCSBH4A (conformal coated) IS420PPNGH1A
667 MHxPowerQUICC IS420UCSBH3A IS220UCSAH1