GE IS200TVBAH2A Product Introduction
1. General Information
The GE IS200TVBAH2A is a vibration input terminal board, which is an essential part of the GE Speedtronic Mark VIe gas turbine control system. It plays a crucial role in handling vibration - related signals and ensuring the stable operation of the gas turbine.
2. Product Parameters
Parameter | Details |
Part Number | IS200TVBAH2A |
Manufacturer | General Electric |
Country of Manufacture | United States (USA) |
Series | Mark VI |
Function | Terminal board for vibration input |
Input Voltage | Acquired from sourced + 28 V power supplies (no external - 28 V source) |
Output Voltage | - |
Output Current | - |
Operating Temperature | -30 °C to 65 °C (-22 °F to 149 °F) |
Weight | - |
3. Product Specifications
3.1 Input Channels
- Channels 1 - 8: Support proximitors, seismic sensors, accelerometers (only channels 1, 2, and 3), and velomitors. Each channel has a current - limited - 24 V power supply. There is a JPXA jumper for configuring the open - circuit check support and 3 mA constant - current feed for velomitors. A JPXB jumper is used for configuring the JA1 and JB1 outputs for the Bently Nevada 3500 rack, and a JPXC jumper for configuring PR0XL as open for true.
- Channels 9 - 12: Only support proximitors sensors. Each channel has a current - limited - 24 V power supply, and jumper set - up is not allowed.
- Channel 13: Supports proximitors or keyphasor proximity sensors. Each channel has a current - limited - 24 V power supply, and jumper configurations are not allowed.
3.2 Power Supply Board
The - 28 V power supply board (WNPS) changes + 28 V from PVib/YVib to - 28 V for the outputs' current limits of - 24 V. It has independent + 28 V inputs.
3.3 Connector - related Specifications
- The terminal board offers electromagnetic interface (EMI) protection and signal suppression for each input signal.
- Signals are sent to the I/O packs through a 37 - pin connector.
- The TVBA contains buffered outputs to additional connectors beyond the conventional 37 - pin connection. It has a bayonet nut connection (BNC) connection for each channel to feed other third - party monitoring apparatus. Specific 9 - and 25 - pin connectors can power the Bently Nevada 3500 monitoring system.
4. Features
- Signal Interface: Serves as a signal interface board for the PVib/YVib I/O pack in the Mark VIe system. It can directly interface with seismic (velocity), proximitors, velomitors, and accelerometer - type probes.
- Protection and Suppression: Provides electromagnetic interface (EMI) protection and signal suppression for each input signal. Signals are also coupled to a pull - up bias to enable open - circuit identification.
- Versatile Application: Can be utilized for simplex or TMR (Triple Modular Redundancy) applications. In TMR applications, three I/O packs fan out the signal.
- Buffered Outputs: Features buffered outputs to additional connectors, enabling connection to other monitoring systems such as the Bently Nevada 3500 monitoring system and third - party monitoring apparatus.
- Power Conversion: The module has three detachable daughterboards to convert + 28 V to - 28 V as all negative power used by the TVBA comes from these WNPS (negative power supply) boards.
5. Usage and application areas
5.1 Purpose
The main purpose of the GE IS200TVBAH2A is to accurately receive, condition, and transmit vibration - related signals from various types of probes. By providing reliable signal processing, it helps in the continuous monitoring of the gas turbine's vibration levels. This is crucial for early detection of any potential mechanical issues, such as unbalanced rotors, bearing failures, or misalignments, which can lead to costly downtime and equipment damage if left undetected.
5.2 Application Areas
- Power Generation: In power plants where gas turbines are used for electricity generation, the IS200TVBAH2A is an integral part of the control system. It ensures that the gas turbine operates smoothly by constantly monitoring vibration levels. Any abnormal vibrations can be detected in time, allowing for preventive maintenance and minimizing the risk of power outages.
- Oil and Gas Industry: Gas turbines are widely used in the oil and gas industry for various applications, such as powering compressors for gas transportation and for on - site power generation. The IS200TVBAH2A helps in maintaining the reliability of these gas turbines, ensuring uninterrupted operations in harsh and remote environments.
- Industrial Manufacturing: In industrial facilities that use gas turbines for process heating or as a power source, this vibration input terminal board plays a vital role in ensuring the stable operation of the manufacturing processes. By monitoring and controlling vibration, it helps in preventing damage to other connected equipment and maintaining product quality.
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