General Electric IS420UCSBH4A
General Electric IS420UCSBH4A
General Electric IS420UCSBH4A
General Electric IS420UCSBH4A
General Electric IS420UCSBH4A
General Electric IS420UCSBH4A
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IS420UCSBH4A

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IS420UCSBH4A is a General Electric Mark VIe high-performance UCSB controller module for fast application execution, plant-network communication, and distributed I/O coordination.
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Technical specifications for IS420UCSBH4A

  • Manufacturer:
    General Electric
  • Part Number:
    IS420UCSBH4A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Mark VIe high-performance UCSB controller module
  • Stock:
    1
  • Controller family:
    UCSB
  • Processor:
    1066 MHz Intel EP80579
  • Minimum supported frame rate:
    10 ms
  • Redundancy modes:
    Simplex, dual, or triple
  • Memory:
    256 MB DDR2 SDRAM with ECC
  • NAND flash:
    2 GB
  • Operating system:
    QNX Neutrino
  • Plant Ethernet ports:
    2 x 10/100Base-TX RJ-45
  • IONet ports:
    3 x 10/100Base-TX RJ-45
  • Nominal power:
    17.3 W
  • Peak power:
    28.7 W
  • Cooling:
    Fanless
  • Ambient range:
    -30 to 65 °C
  • Mounting:
    Direct panel mount
  • Weight:
    1.04 kg
  • Estimated shipping dimensions:
    4.8x16x20.2cm
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Communication & Connectivity Protection Safety & Compliance

Features:

  • Uses a fanless, battery-free controller design with no hardware jumper configuration.
  • Operates from a 28 VDC supply while dissipating 17.3 W nominal and 28.7 W at peak load.
  • Supports an ambient operating range from -30 to 65 °C for enclosed industrial installations.
The board mounts directly to sheet metal, with its heat-sink fins oriented to maintain the specified convection path through the control cabinet.

Local indicators distinguish power, boot progress, controller state, and network activity so startup observations can be correlated with ControlST diagnostics.

A built-in USB service connection and COM1 procedure provide controlled paths for image handling and address recovery without adding internal storage media.

Apter Power can provide current pricing for the General Electric IS420UCSBH4A Mark VIe high-performance UCSB controller module and assist with purchase enquiries.
Verified resources for General Electric IS420UCSBH4A:

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Executes deterministic control strategies for Mark VIe steam- and gas-turbine systems.
  • Supports hydro-turbine and generator control installations using the Mark VIe platform.
  • Provides the controller platform for compressor-set automation requiring coordinated distributed I/O.
  • Two plant-network Ethernet ports connect the controller to the Mark VIe control network.
  • Three IONet Ethernet ports provide dedicated paths to the distributed I/O network.
  • A USB service connection and COM1 procedure support controlled image handling and address recovery.
  • ECC-protected DDR2 memory corrects single-bit errors during controller execution.
  • Local indicators report power, boot progress, controller state and network activity during commissioning.
  • Applicable ControlST security updates must be reviewed before returning a serviced controller to the control network.
  • The controller is included in the Mark VIe certification scope for power-production control equipment.
  • IECEx certification identifies the hazardous-area marking as Ex ec IIC T4 Gc.
  • Installation in a hazardous location must follow the certified enclosure and special-use conditions.
Description
GE IS420UCSBH4A is a standalone UCSB controller for the Mark VIe control platform, using a 1066 MHz Intel EP80579 processor. It executes application code while coordinating data between distributed I/O, operator stations and other controllers.

Dedicated IONet and control-network Ethernet connections allow the controller to receive process inputs, run sequencing and regulation logic, and distribute commands in real time. It supports simplex, dual and triple-redundant architectures for turbine-generator, compressor and power-production control.

The compact controller incorporates its power supply and requires no batteries or jumper settings. ControlST and ToolboxST support configuration, diagnostics and application management; replacement must preserve the IP settings, application files, redundancy assignment and compatible firmware.
Revisions

Revision Part #

Also known as

IS420UCSBH4A
IS420UCSBH4-A, Series A, Rev A
Alternative Names
IS420 UCSB H4A IS420-UCSB-H4A GE IS420UCSBH4A General Electric IS420UCSBH4A Mark VIe IS420UCSBH4A UCSBH4A high-performance controller IS420UCSB H4A IS420 UCSBH4A
Technical notes
IS420UCSBH4A must be restored as a complete controller identity: compatible firmware and ControlST build, redundancy role, IP address, application checksum, non-volatile data, and five-port network map.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
When is IS420UCSBH4A preferable to an H1A controller?
IS420UCSBH4A provides the 1066 MHz processor used where the approved Mark VIe application and frame-rate requirement call for the H4A hardware.
Can IS420UCSBH4A be installed in a triple-redundant control?
Yes, IS420UCSBH4A supports simplex, dual, and triple arrangements when the complete Mark VIe architecture and project are configured accordingly.
What must match before loading an application into IS420UCSBH4A?
Confirm the IS420UCSBH4A hardware type, firmware, ControlST release, redundancy role, IP identity, and application build before download.
Why can one IS420UCSBH4A controller disagree with the other two?
Compare the IS420UCSBH4A application checksum, non-volatile values, time synchronization, IONet reception, and redundancy configuration.
Does IS420UCSBH4A use a cooling fan?
No. IS420UCSBH4A is fanless, but its heat-sink fins still need the specified vertical airflow clearance.
Which IS420UCSBH4A port should carry ToolboxST traffic?
IS420UCSBH4A normally uses ENET1 for ToolboxST and control-network traffic; the project network design decides any supported ENET2 service.
How should IS420UCSBH4A be accepted after a replacement?
Verify the IS420UCSBH4A boot sequence, redundancy state, all three IONet links, plant Ethernet communication, application checksum, and live control status.

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