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Is230tsvch4a

IS230TSVCH4A - Servo Terminal Board

IS230TSVCH4A - Servo Terminal Board IS230TSVCH4A - Servo Terminal Board

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SPECIFICATIONS

Part No.: IS230TSVCH4A
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 33.02 cm high x 17.8 cm wide
Technology: Surface-mount
Temperature Operating: -30 to 65oC
Product Type: Servo Terminal Board
Availability: In Stock
Series: Mark VIe

Functional Description

IS230TSVCH4A is a Servo Terminal Board developed by GE. It is a part of Mark VIe series. TSVC interfaces specifically with two electro-hydraulic servo valves responsible for actuating steam and fuel valves. These valves play a crucial role in regulating the flow and pressure of steam and fuel. Its integration with LVDTs ensures accurate valve position measurement, while its compatibility with the PSVO I/O pack and WSVO servo driver ensures optimized performance within specified configurations.

Features

  • Sensor Integration: Valve position is monitored and controlled using Linear Variable Differential Transformers (LVDTs), which provide accurate measurement of the valve position. This ensures precise control over the flow and pressure of steam and fuel, optimizing operational efficiency and safety.
  • Compatibility and Design: Designed to work seamlessly with the PSVO I/O pack and the WSVO servo driver. It is important to note that the TSVC is not compatible with the VSVO processor. This specialized design ensures optimal performance and compatibility within the specific operational requirements of the PSVO I/O pack and WSVO servo driver configurations.
  • Control Configurations: Supports various control configurations, including simplex, dual redundant, and Triple Modular Redundant (TMR) control setups. These configurations enhance system reliability by providing backup and redundant pathways for control signals and power.
  • Power Supply: Three 28 V DC supplies are routed into the TSVC through plug J28. This arrangement ensures sufficient power delivery to operate the servo valves and associated LVDTs reliably under normal operating conditions.
  • External Trip Capability: Plugs JD1 or JD2 are designated for an external trip signal originating from the protection module. This feature allows for immediate shutdown or trip of the servo valves in response to protective system triggers, enhancing overall system safety and protection against potential hazards.

Installation

  • Wiring Sensors and Servo Valves: To begin installation, sensors and electro-hydraulic servo valves are connected directly via two I/O terminal blocks. Each terminal block is securely fastened with two screws, providing a robust connection for up to 12 AWG wiring. This setup facilitates the transmission of control signals and power between the terminal board and the servo valves, ensuring precise operation in regulating steam and fuel valves.
  • Shield Terminal Strip Integration: Adjacent to each terminal block, a shield terminal strip is mounted and connected to chassis ground. This grounding configuration is essential for minimizing electromagnetic interference (EMI) and maintaining signal integrity. By grounding the system effectively, the shield terminal strip helps prevent signal degradation and interference, thereby enhancing overall reliability and performance.
  • External Trip Wiring: External trip wiring, which facilitates immediate protective actions in response to critical system conditions, is connected to designated plugs JD1 or JD2 on the board. These connections allow for rapid shutdown or trip commands triggered by the protection module. This feature enhances system safety by enabling swift responses to emergency situations, ensuring the protection of equipment and personnel.
  • Configuration for TMR Operation: Supports various control configurations, including Triple Modular Redundancy (TMR), which enhances system reliability through redundancy and fault tolerance. Each servo output can be configured for TMR operation, which involves employing three coils per servo output to ensure continuous operation even in the event of component failures.
  • Jumper Selection for Current Levels
    • Servo 1: Current selection jumpers JP1, JP3, and JP5.
    • Servo 2: Current selection jumpers JP2, JP4, and JP6.

Configuration

  • In a simplex system, which does not prioritize redundancy but focuses on straightforward operation:
    • Servo 1: The correct coil current is selected using jumper JP1, ensuring that the servo operates within specified current parameters suitable for controlling steam and fuel valves effectively.
    • Servo 2: Similarly, jumper JP4 is used to configure the coil current for Servo 2. This setting aligns with the operational requirements and ensures that the servo performs its intended function reliably.
  • In a Triple Modular Redundancy (TMR) system, where redundancy is essential to minimize downtime and enhance system reliability:
    • Servo 1: Each servo output in a TMR configuration is equipped with three coils. The coil currents are jumper-selected using JP1, JP2, and JP3. This setup ensures that even if one coil or component fails, the remaining coils can continue to operate, maintaining system functionality.
    • Servo 2: Similarly, for Servo 2 in TMR mode, coil currents are set using jumper positions JP4, JP5, and JP6. This redundancy strategy ensures that the servo system remains operational under various failure scenarios, crucial for industrial applications where continuous operation is critical.
  • Apart from setting coil currents with jumpers, other configurations on the servo board are managed through specialized software tools or the system toolbox:
    • Control Parameters: Adjusting parameters such as gain, response time, and feedback loop settings to optimize servo performance based on specific operational needs.
    • Diagnostic Monitoring: Enabling diagnostic features to monitor servo operation, detect faults, and initiate corrective actions promptly to prevent downtime.
    • Safety and Trip Settings: Configuring safety thresholds and trip points to ensure immediate responses to critical system conditions, enhancing overall system safety and reliability.

The WOC team is always available to help you with your Mark VIe requirements. For more information, please contact WOC.

Frequently Asked Questions

What is IS230TSVCH4A?
It is a servo terminal board developed by GE under the Mark VIe series.

What additional configurations are managed through the servo board toolbox?
Beyond coil current selection, servo board configurations include adjusting control parameters (e.g., gain, response time), enabling diagnostic monitoring for fault detection, and configuring safety settings to ensure rapid response to critical conditions.

How does TSVC contribute to industrial control system reliability?
It facilitates precise control and monitoring of electro-hydraulic servo valves, crucial for regulating steam and fuel valves in industrial processes. Its configuration options, including TMR capability, enhance reliability and operational continuity.

What are some common applications where TMR servo systems are beneficial?
TMR servo systems are particularly advantageous in critical industrial applications such as power generation, where uninterrupted operation and reliability are paramount. They are also used in complex control systems requiring redundancy to mitigate risks.