IS420UCSBH3A GE Mark VIe Datasheet & Technical Manual

GE IS420UCSBH3A Mark VIe Controller Module

GE IS420UCSBH3A Mark VIe Controller Module

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The GE IS420UCSBH3A, also cataloged as the UCSB Controller Module, operates as a dedicated hardware component for real-time application code...

SKU: IS420UCSBH3A

Manufacturer: GE Fanuc
Product No.: IS420UCSBH3A
Product Type: Controller Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1320g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The GE IS420UCSBH3A, also cataloged as the UCSB Controller Module, operates as a dedicated hardware component for real-time application code execution and system logic processing within GE Mark VIe platforms. Powered by a 1200 MHz Intel EP80579 processor, the unit accepts an input voltage of 24/28 VDC and features front-panel LED indicators for system status, online state (ONL), controller designation (DC), and over-temperature (OT) monitoring.

Hardware Specifications

Parameter	Specification
Model	IS420UCSBH3A
Brand	GE Energy
Series	Mark VIe
Functional Abbreviation	UCSB
Weight	approx. 2.9 lbs
Dimensions	6.4 in H x 8.1 in W x 1.4 in D
Operating Temp	0 to 65 deg C
Power Consumption	24/28 VDC nominal input voltage
Processor	1200 MHz Intel EP80579
Terminal Wire Size	28 to 16 AWG

Firmware Flash Compatibility and Deterministic Network Processing

The IS420UCSBH3A controller operates without internal lithium batteries or hardware jumper configurations, relying on non-volatile flash memory for application code and firmware persistence. Firmware flash compatibility allows synchronization with Mark VIe I/O pack networks over deterministic Ethernet channels. The module processes system logic identically to the UCSC variant while providing hardware diagnostics to maintain control loop timing across distributed field nodes.

Frequently Asked Questions

Q: What condition causes the front panel OT LED to illuminate on the IS420UCSBH3A?

A: The amber OT LED lights up when internal board sensors detect operating temperatures exceeding pre-set thermal thresholds.

Q: Does the IS420UCSBH3A controller require hardware jumpers or battery replacement?

A: No. The board utilizes a jumperless architecture and requires no internal battery backup, simplifying field hardware replacement and maintenance routines.

Q: How is the active controller state visually indicated in redundant configurations?

A: The front panel DC LED displays solid green when the module is assigned as the designated active controller running system tasks.

Field Installation Guidelines

Verify that the incoming DC power feed is isolated before attaching power leads to the module.
Ensure cabinet ventilation maintains ambient operating temperatures within the specified 0 to 65 deg C range.
Connect power wiring sized between 28 and 16 AWG to the designated 24/28 VDC input terminals.
Secure the controller to the mounting panel using standard mechanical fasteners to ensure frame ground continuity.
Verify all Ethernet network connections are latched prior to applying operational power.

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