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SPECIFICATIONS:
Part Number: IS2020ISUCG3A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Unit Controller Board
Number of input channels: 24
Number of relay channels: 12
Trip Solenoid Rating: 125 V dc
Span: -8 mV to +45 mV
Power supply voltage: 28 V dc
Voltage Range: 18 - 32 VDC
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: 40 to 70 degrees Celsius
Size: 168 x 150 x 55 mm
Repair: 3-7 Day
Availability: In Stock
Country of Manufacturer: United States (USA)
Manual: GEI-100599
FUNCTIONAL DESCRIPTION:
IS2020ISUCG3A is a Unit Controller Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. A Unit Controller Board (UCB) is an electronic circuit board used in industrial or commercial HVAC (heating, ventilation, and air conditioning) systems to control and monitor the various components of the system. The UCB acts as the brain of the HVAC system, receiving signals from sensors and other control devices and using this information to regulate the operation of the system.
The UCB typically contains a microcontroller or microprocessor, memory, input/output circuits, and other electronic components. It may also include firmware or software that controls the operation of the HVAC system, such as temperature and humidity sensors, pressure switches, and motor control circuits.
FEATURES:
Termination Boards and I/O Cards: The board consists of termination boards and I/O cards that play a crucial role in signal processing and data conversion. The I/O cards incorporate a TMS320C32 DSP processor, which performs digital filtering of the data before converting it to a 32-bit IEEE-854 floating-point format. This processing enhances the accuracy and quality of the data being collected and analyzed.
Control Module: The Control Module comprises several components, including an internal communications card, a main processor card, and an optional flash disk card. The main processor card occupies two slots in the module, while the other cards occupy a single slot each. These components work together to facilitate the control, monitoring, and data storage functions of the board.
Application Software Execution: The main processor card is responsible for executing the majority of the application software. The execution speed can vary depending on the specific application requirements, with options available for 10/20/40 ms execution intervals. This flexibility ensures that the board can handle diverse application scenarios efficiently and effectively.
IONet Communication: The board utilizes IONet, an internal communication network, to exchange data with other modules within the Mark VI control system. The VCMI (Virtual Control Module Interface) card within the Control Module serves as the bus master, enabling seamless communication with slave stations via an Ethernet 10Base2 network. This robust communication framework facilitates real-time data exchange and synchronization among different system components.
Backup Protection: While the board's primary function is control, monitoring, and protection, certain applications may require additional backup protection measures. For example, emergency overspeed protection is crucial for turbines that lack a mechanical overspeed bolt. In such cases, the IONet is extended to connect with a Backup Protection Module, which is available in simple or triple redundant configurations. This backup module provides an added layer of protection and ensures system integrity in critical situations.
WOC has the largest stock of GE Distributed Gas Turbine Control System Replacement Parts. We can also repair your faulty boards. WORLD OF CONTROLS can also supply unused and rebuilt backed-up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly get in touch with our team by phone or email.
How many input channels does the board feature?
The board is equipped with 24 input channels, allowing it to monitor and process 24 different signals from sensors or other input devices. This feature provides flexibility and scalability in gathering data from various sources.
How many relay channels are available?
It features 12 relay channels, enabling control over the output signals to different actuators or devices. These relay channels facilitate efficient and precise manipulation of signals, supporting automation and integration within industrial systems.
What is the Trip Solenoid Rating of the board?
The Trip Solenoid Rating is specified as 125 V dc, indicating that the trip solenoid is designed to withstand up to 125 volts of direct current without sustaining damage. This rating ensures the board's reliability and resilience in handling high-voltage applications.
