PRODUCT
HOT PRODUCT
IS420UCSBH3A GE Mark Vle Controller
Condition:
Brand New & Original
Lead Time:
In Stock
Delivery Time:
5-7 Days
EXW Price:
$9600
Payment:
T/T, Full Payment Before Shipping
The IS420UCSBH3A is a UCSB controller module from the GE Mark VIe series, designed to operate primarily as a standalone computer within various control processes. Equipped with a 1200 MHz Intel EP80579 microprocessor and 256 MB of SDRAM, and running the QNX Neutrino real-time multitasking operating system, the IS420UCSBH3A delivers high-speed, reliable real-time performance.
Functions
1. Startup and sequence control: Includes functions such as startup, acceleration, speed, temperature, and shutdown control for gas turbines, as well as manual control capabilities.
2. High-speed closed-loop control: The IS420UCSBH3A offers high-speed closed-loop control capabilities. Combined with 1ms-resolution Sequence of Events (SOE) recording and trip history logging, it enables precise process management and rapid status analysis.
3. Protection and trip logic (TMR "two-out-of-three" voting).
4. IONet network communication: Communicates with I/O modules via an onboard IONet interface; provides full access to all input data, ensuring no data loss due to single-point failures.s.
Common Faults and Troubleshooting
1. Overtemperature alarm (OT LED lit): Excessive ambient temperature or incorrect mounting orientation causing the internal controller temperature to exceed limits. Ensure cooling fins are oriented vertically, airflow is unobstructed, and accumulated dust is cleared.
2. Controller fails to come online (ONL LED not lit): Use the ToolboxST application for diagnostics, configuration, and troubleshooting.
3. Boot LED flashing continuously: Firmware mismatch or incomplete loading.
4. Communication interruption (IONet/Ethernet fault): Check Ethernet cables and switch status; use system software to read system event logs and fault codes. 6. I/O module fault: Troubleshoot by swapping out the I/O module and checking if the module fuse has blown.
| Brief Introduction | |
| Manufacturer | General Electric |
| Module/Order Number | IS420UCSBH3A |
| Description | Mark VIe UCSB Controller |
| Country of origin | USA |
| Dimension & Net Weight | 28 x 20 x 5 cm, 1 kg |
| Packing Weight | 3kg |
FAQ
1. What is the function of the IS420UCSBH3A Controller?
—Designed to operate primarily as a standalone computer within various control processes, providing high-speed, reliable real-time operational capabilities.
2. What is the difference between the IS420UCSBH3A and the IS420UCSBH4A?
—The UCSBH3A has a faster response rate than the UCSBH4A. The H3A features an integrated redundant fan, whereas the H4A relies on convection cooling. Most other specifications are identical, and the two controllers are often interchangeable in control applications; however, note that when replacing these modules, all controllers in the system must be updated to the same model—mixing models is not permitted.
3. In what scenarios can the IS420UCSBH3A be used?
—The IS420UCSBH3A controller is suitable for industries such as power generation, oil and gas, metallurgy, and chemicals, where it primarily manages control logic for gas or steam turbines.
Tags:
Hot Product
BLOG
Jun 03,2026
A Closer Look at Bently Nevada 288055-01: Why the Interface Module Matters
May 27,2026
Bently Nevada 2300/20 Vibration Monitoring Module in Practical Industrial Use
May 20,2026
1900/65A Display Module in Industrial Monitoring Applications
May 13,2026
18745-04 Proximitor Sensor Continues to Support Stable Machinery Monitoring in Industrial Applications
About Us
Topteng Technology Trading Co., Limited
Established in 2010, Topteng has been a supplier of industrial automation spare parts for decades. Specialized in PLC, DCS, ESD and TSl fields, we provide the best automation solutions.
Address:
Units 1503-1504, No. 96-2 Lujiang Road
Siming District
Xiamen City, Fujian Province 361001
China
Copyright © 2025 Topteng Technology Trading Co., Limited All Rights reserved.