IS200ISBEH2A - ISbus Extender Board

SPECIFICATIONS

Part Number: IS200ISBEH2A
Manufacturer: General Electric
Series: EX2100
Function: ISbus Extender Board
LEDs: 2 Green, 1 Amber
Power Supply: DATEL DC/DC converter
Connectors: P1A and P1B, fiber-optic connectors (R and T)
Sensors: E1-E4
Jumper Switch: 3-position switch
Product type: PCB
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

IS200ISBEH2A is a ISbus Extender Board developed by GE. The GE Energy EX2100 Excitation Control System is a cutting-edge platform for generator excitation. Along with the transformers, this excitation system includes multiple controllers, power bridges, and a protection module. This board contains a DATEL DC/DC converter with an 18V to 36V input and a 5V output-1A. This part is identified as UWR 5/1000-D24 04127A612A. There are two fiber-optic connectors, two two-position terminal strips, and two male plugs labeled P1A and P1B on the board. The board is made up of three LEDs (two green and one amber) and eight integrated circuits. The board has the markings 94V-0 and FA/00.

IS200ISBEH2A Features

• The board encompasses a range of impressive features and components designed to facilitate efficient transmit/receive connectivity. Specifically engineered to seamlessly integrate with the Control Assembly Backplane's J11A local ISBus Interface Connector, this board serves as a critical interface for data transmission and reception.
• One notable component of the board is the DATEL DC/DC converter, which boasts an extensive input voltage range spanning from 18V to 36V. This converter reliably generates a consistent output voltage of 5V, ensuring stable and regulated power supply to the board and its connected components.
• The board showcases several connectors to facilitate easy and secure connections. Notably, there are two P1A and P1B plugs, which enable seamless integration with external devices. Additionally, two terminal strips, each equipped with two positions, are strategically positioned on opposite sides of the board, further enhancing connectivity options. The board also incorporates two fiber-optic connectors, labeled as R and T, which facilitate reliable transmission and reception of optical signals.
• Four conduction sensors, denoted as E1 through E4, are present on the board, providing essential monitoring capabilities. These sensors enable the board to accurately detect and respond to specific operational conditions or events, ensuring optimal performance and system integrity.
• Additionally, a three-position jumper switch is included on the board, enabling operators to configure specific settings or functionalities as per their requirements.
• The "JP1-Interlock Bypass" information box prominently displayed on the board provides valuable guidance regarding the operation of the interlock bypass feature. This feature allows for the seamless transition between bypassed and unbypassed states, with the corresponding settings indicated as 1-2 for unbypassed and 2-3 for bypassed, enhancing operational flexibility.
• To facilitate effective visual feedback and status monitoring, the board is equipped with three Light Emitting Diodes (LEDs) that serve as indicators of various system states or conditions. Additionally, eight integrated circuits on the board contribute to its complex functionality, enabling advanced processing and control capabilities.
• Furthermore, the board incorporates a variety of passive electronic components such as resistors, diodes, and capacitors. These components play vital roles in supporting circuitry, facilitating signal conditioning, voltage regulation, and overall stability.
• Collectively, the board's array of features, connectors, sensors, switches, and electronic components provide a robust foundation for reliable data transmission, control, and monitoring within the specified system.

HMI - User Interaction

• The system is equipped with a Human Machine Interface (HMI) that leverages a PC running Windows.
• This HMI is loaded with software like CIMPLICITY graphics, facilitating user interaction and data visualization from the Mark VI system.

Safety Standards

• The Mark VI system adheres to rigorous safety standards, including UL508A Safety Standard for Industrial Control Equipment and CSA 22.2 No. 14 for Industrial Control Equipment.

Key Components

• Noteworthy components featured on this board encompass a DATEL DC/DC converter.
• The converter operates within an input range of 18V to 36V, yielding a 5V output at 1A. It is distinctly labeled as UWR 5/1000-D24 04127A612A.

Connectivity Elements

• The board hosts two fiber-optic connectors, signifying its communication capabilities.
• It includes two two-position terminal strips and two male plugs, designated as P1A and P1B.

Configurable Jumper Switch

• The board incorporates a three-position jumper switch, positioned strategically above printed information on its utilization.
• The jumper's positions are labeled "1-2 Unbypassed, 2-3 Bypassed," indicating its configurability for specific needs.

Comprehensive LED Indicators and Integrated Circuits

• The board is equipped with three LEDs, comprising two green and one amber, offering visual indications.
• The integration of eight integrated circuits enhances the board's processing capabilities.

Shaft Voltage Suppressor

• The shaft voltage suppressor plays a crucial role in mitigating the adverse effects of unwanted voltage on the shaft caused by excitation systems that employ solid-state rectification for converting alternating current (AC) to direct current (DC). During this rectification process, ripple and spike voltages are unavoidably generated at the exciter output.
• Due to the rapid rise and decay times of these voltages, they become capacitively coupled from the field winding to the rotor body, resulting in the presence of voltage on the shaft relative to ground. If this shaft voltage is not effectively controlled and managed, it can inflict damage upon the journals and bearings within the system, leading to operational issues and reduced reliability.
• The shaft voltage suppressor, acting as a specialized filter, assumes the vital task of diverting the high-frequency components of the induced voltages to ground. By conducting these unwanted voltage components to ground, the suppressor effectively prevents their propagation along the shaft, thus safeguarding the integrity of the system.
• In certain instances, the shaft voltage suppressor may be shipped separately, requiring installation as an additional component. However, in other cases, it is already incorporated as an integral part of the lineup, seamlessly integrated into the overall excitation system.
• The suppressor operates by selectively channeling the high-frequency components of the induced voltages away from the shaft, ensuring they are effectively dissipated and neutralized through a grounded path. This efficient filtering mechanism helps maintain the shaft voltage within safe and acceptable limits, thereby averting potential damage and preserving the optimal performance of the system.
• By employing a shaft voltage suppressor, excitation systems can effectively mitigate the harmful effects of unwanted voltage on the shaft, ensuring the longevity and reliability of critical components such as journals and bearings.

System Dc Field Flashing Settings

• Field flashing panels play a crucial role in supplying a wide range of flashing currents in generator systems. These panels are particularly significant in cases where the flashing control fails, causing the flashing current to remain continuously active. By providing a reliable and adjustable source of flashing current, field flashing panels ensure the successful initiation and regulation of the field excitation process in generators.
• The magnitude of the flashing current required for a generator is determined by the specific characteristics and requirements of the generator system. To ensure precise control, a maximum and minimum allowable value for the flashing current is configured in the control module. These values are set based on the generator's design specifications and operating conditions, ensuring the field excitation remains within safe and optimal limits.
• During the manufacturing process, the preset values for the maximum and minimum flashing current are established at the factory. This configuration is based on the information provided, such as the generator's design specifications, capacity, and other relevant parameters. These preset values define the envelope within which the hysteretic flashing control operates during the flashing sequence.

Control Power Supplies

• Power Sources: The EPDM is supplied by three power sources: a 125 V DC source and one or two 115 V AC sources. These sources provide the primary electrical inputs to the EPDM.
• AC/DC Converter (DACA):The 115 V AC source, if present, is passed through an AC/DC converter (DACA) as depicted in Figure 2-8. The DACA converts the AC input to a regulated 125 V DC output. This regulated DC output is then combined with the existing 125 V DC source to create a common DC bus.
• Common DC Bus: The DC output from the DACA and the original 125 V DC source are diode-coupled together to create a common DC bus. The common DC bus serves as the main power distribution pathway, feeding power to the control modules and gate pulse amplifier boards in the system.
• Fused Outputs: The EPDM generates fused outputs from the common DC bus to supply power to various components within the system. These fused outputs include power feeds to the EGPA (Excitation Gate Pulse Amplifier) boards, EXTB (Exciter Terminal Block), and the Exciter Power Backplane (EPBP). The use of fuses ensures protection against overcurrent and short circuits, safeguarding the components from potential damage.
• LED Indication and On/Off Isolation Switches: Each fused output from the EPDM is equipped with LED indicators and on/off isolation switches. The LED indicators provide visual feedback, allowing operators to monitor the status of each power output. The on/off isolation switches allow for manual control over the power supply to specific components, providing a means to enable or disable power as needed.
• Exciter Power Supply Modules (EPSM): The EPBP backplane can accommodate up to three Exciter Power Supply Modules (EPSM). These modules are responsible for generating specific supply voltages required for the controllers. They are fed with the regulated 125 V DC from the EPDM and produce logic-level power outputs of +5 V DC, ±15 V DC, and +24 V DC. These supply voltages are crucial for the operation of the control modules and gate pulse amplifier boards, ensuring proper logic-level signaling and functionality.

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FREQUENTLY ASKED QUESTIONS

What is IS200ISBEH2A?
It is a ISbus Extender Board developed by GE.

What is the input voltage range of the DATEL DC/DC converter on the board?
The input voltage range of the converter on the board is 18V to 36V.

What is the output voltage and current of the converter?
The output voltage of the converter is 5V and the output current is 1A.

What type of connectors are on the board?
The board has two P1A and P1B plugs, two fiber-optic connectors (R and T), two terminal strips with two positions each, and four conduction sensors (E1 through E4).