Product Introduction

The IS420UCSBH4A is a UCSB controller module manufactured by General Electric, belonging to the Mark VIe series, for gas turbine control systems with a 1066 MHz Intel EP80579 microprocessor. The application code is executed by a separate computer called a UCSB controller. The controller is installed in a panel and communicates with the I/O package through an onboard 1/0 network (IONet) interface. Only Mark control I/O modules and controllers are supported by a dedicated Ethernet network (called IONet). The operating system (OS) of the controller is QNX Neutrino, a real-time, multi-tasking operating system developed for industrial applications that require high speed and reliability. The UCSB controller does not have any application I/O host, while traditional controllers host application I/O on the backplane. In addition, each controller has access to all I/O networks, providing it with all input data.

If the controller is shut down for maintenance or repair, the hardware and software architecture ensures that no single application input point is lost. Implement functional safety loops to achieve SIL 2 and 3 capabilities using the Mark Vles UCSBSIA Safety Controller and Safety 1/0 Modules. Operators familiar with SIS applications use Mark Vles Safety devices to reduce risk in critical safety functions. These specific control hardware and software have IEC 61508 certification and are specifically configured to work with safety controllers and distributed I/O modules.

UCSB controllers offer the following benefits:

Single module
Built-in power supply
No jumper settings required
No batteries
Fanless (UCSBSIA, UCSBHIA, UCSBH4A)
Dual redundant fans with IS420UCSBH3A
Smaller panel footprint
Flash memory for easy updates
UCSB Mounting:

A single module that mounts directly to the panel sheet metal contains the controller. The dimensions of the module housing and mounting are shown in the following figure. All measurements are in inches. The UCSB must be mounted to the panel as shown and vertical airflow must be unobstructed through the heat sink.

UCSB Software and Communications:

Software customized for use with the controller is installed. Rungs or blocks can be run by it. Minor changes to the control software can be made online without rebooting. The I/O package and the controller's clock are synchronized to within 100 microseconds via R, S and T IONets using the IEEE 1588 protocol. Via R, S and T IONets, external data is sent to and received from the control system database in the controller. This includes process inputs and outputs of the I/O modules.

In addition, in a dual system, these are:

1. Initialization and internal state variable data of the selected controller

2. Synchronization and status information of both controllers

This also covers the following in a Triple Modular Redundant (TMR) system:

Synchronization information about all three controllers, internal state values ​​for voting, and status
Initialization data from the selected controller
UCSB Startup LED:

The startup LED remains on throughout the startup process if there are no errors. If an error is found, the LED flashes once per second (Hz). The LED flashes for 500 milliseconds and then turns off. After the flashing phase, the LED remains off for three seconds. The number of flashes indicates the failure condition.

If the flash image is genuine but the runtime firmware has not yet been loaded, the boot LED will continue to flash at a Hz rate. After the firmware has been loaded, the boot LED turns off. If the controller cannot connect online, use the ToolboxST application to find out why the controller is blocked. After receiving the IP address, the ToolboxSTplication configures itself over Ethernet.

About the IS420UCSBH4A
The controller IS420UCSBH4A is another UCSB controller produced by General Electric for the Mark VIe turbine control system series. The Mark VIe series targeted by this IS420UCSBH4A printed circuit board product line has specific applications in the control and management systems of popular and compatible gas, steam and wid turbine automatic drive components. This IS420UCSBH4A device can also be defined as one of the final developed General Electric Mark product lines that introduced their patented Speedtronic control system technology across a range of different products, which greatly increased the overall market demand for the IS420UCSBH4A PCB. This IS420UCSBH4A device cannot be defined as a typical Mark VIe series printed circuit board product line; it is actually a modular component as indicated by the initial series label in the IS420UCSBH4A functional product number.

This controller is described as being able to work in the EX2100e, LS2100e, and Mark VIe series running on a 1066 MHz EP80579 Intel processor. The EP80579 processor is used to help applications that require high reliability and high speed. Aside from the processor mentioned above, this model is similar to the previous UCSB controllers, all of which use the same processor type but run at different MHz. The special modular Mark VIe turbine control system series assembly of this IS420UCSBH4A device consists primarily of internal circuitry and hardware components contained within a rugged black plastic exterior chassis. The chassis has several distinct Ethernet-style connector ports located in several locations along the narrow side; each port should be labeled with a factory-printed name. The other narrow side of the IS420UCSBH4A module is equipped with a metal backplane connector to facilitate mounting of the IS420UCSBH4A module, which may be mounted in a standard VME rack-mount and mounting assembly of the Mark VIe series. The functional product number of this IS420UCSBH4A device reveals a great deal of other related hardware information, including the special modular Mark VIe series assembly of this IS420UCSBH4A device, the UCSB functional product abbreviation, the conformal PCB coating style, the fourth group of Mark VIe series product groupings, and the final Class A major functional product revision.

The IS420UCSBH4A controller is similar to the UCSC controllers in the Mark VIe series, the difference between these two sets of controllers is in the hardware, but they do have some similarities in the strengths of the controllers. Some of the strengths of this controller are that it is a single module and has flash memory, which allows for easy updates based on the needs of the user. The locations and certifications required to operate this controller are the same as the previous models, this controller can be used in hazardous and non-hazardous locations, with UL E207685 and UL DEMKO 12 ATEX 1114875X certifications.

Part of the Mark VIe series of control systems, designed for applications that require high reliability and high speed. The controller IS420UCSBH4A was designed by General Electric for the Mark VIe series for high-speed applications, and is equipped with a 1066 MHz EP80579 Intel processor. This controller can be used with the Mark VIe series for EX2100e and LS2100e applications.

Here are some key details about the GE IS420UCSBH4A module:
It runs on a 1066 MHz EP80579 Intel processor.
It can be used in both the Mark VIe control system and the EX2100e and LS2100e systems.
It is a separate module with flash memory that can be easily updated as the user requires.
It can be used in both hazardous and non-hazardous locations and is UL E207685 and UL DEMKO 12 ATEX 1114875X certified

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