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IS400TVBAH2BBA

IS400TVBAH2BBA

IS400TVBAH2BBA IS400TVBAH2BBA

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SPECIFICATIONS

Part Number: IS400TVBAH2BBA
Manufacturer: General Electric
Series: Mark VIe
Number of N24 outputs: 14
N24 voltage: -24.5 normal
N24 maximum current: 12 mA
N28 voltage: 28 normal
N28 ripple: 280 mV pk
N28 maximum current: 400 mA
Product Type: Vibration Terminal Board
Repair: 3-5 days
Availability: In Stock
Country of Manufacturer: United States (USA)

Functional Description

IS400TVBAH2BBA is a Vibration Terminal Board developed by General Electric. It is a part of Mark VIe control system. TVBA (Vibration Terminal Board) serves as a component within the Mark VIe control system as an interface between various types of vibration probes and the Mark VIe I/O pack PVIB. Designed to ensure reliable signal transmission and protection, the TVBA offers essential features for seamless integration and operation in industrial environments.

Features

  • Signal Interface and Protection: Serves as a signal interface board for the Mark VIe I/O pack PVIB, facilitating direct connections to seismic (velocity), Proximitors, Velomitors, and accelerometer-type probes. It provides signal suppression and electromagnetic interface (EMI) protection for each input signal, ensuring accurate and interference-free data acquisition.
  • Open Circuit Detection: Signals passing are connected to a pull-up bias, enabling open circuit detection for enhanced fault diagnostics and system reliability. This feature ensures that any discontinuities in signal transmission are promptly detected, allowing for timely maintenance or troubleshooting.
  • Compatibility with Mark VI and Mark VIe Systems: While designed for use with the Mark VIe system, it maintains compatibility with the Mark VI system. In the Mark VI system, the VVIB board works in conjunction. This compatibility ensures seamless integration and interoperability between different generations of control systems.
  • Versatile Connectivity Options: Features a 37-pin connector for interfacing with the Mark VIe I/O packs. Additionally, it includes buffered outputs to additional connectors beyond the standard 37-pin connection. These outputs allow for the connection of special 9 and 25 pin connectors to feed the Bently Nevada 3500 monitoring system and other third-party monitoring equipment.
  • Power Supply Considerations: Unlike traditional RKPS power supplies used in previous systems, the Mark VIe system obtains power from sourced +28V power supplies, with no external source for -28V. To maintain functionality similar to the Mark VI TVIB, the TVBA includes three removable daughterboards known as WNPS (negative power supply) to convert +28V to -28V. These boards serve as the source for all negative power used by the TVBA, ensuring consistent performance and compatibility.
  • TMR Capability: Supports both simplex and Triple Modular Redundant (TMR) applications. In TMR applications, the signal is fanned out to three I/O packs, enhancing system redundancy and fault tolerance for critical vibration monitoring applications.

Sensor Connections

The TVBA (Vibration Terminal Board) offers robust support for a variety of sensor connections, providing essential functionality for comprehensive vibration monitoring and position sensing applications within industrial environments. With its versatile configuration, the TVBA accommodates various types of sensors, ensuring flexibility and compatibility for diverse monitoring requirements.

  • ibration or Position Sensors (Circuits 1 through 8): Supports connections for up to eight vibration or position sensors, enabling the monitoring of critical parameters such as velocity, acceleration, displacement, or position. These sensors provide essential data for assessing machinery health, detecting anomalies, and facilitating predictive maintenance strategies.
  • Position-Only Sensors (Circuits 9 through 12): In addition to vibration sensors, the TVBA caters to position-only sensors, offering support for up to four such sensors. These sensors are dedicated to monitoring positional changes or displacements in rotating or linear machinery, providing valuable insights into equipment performance and alignment.
  • Reference Probe (Keyphasor) or Position Sensor (Circuit 13):Circuit 13 serves as a connection point for a reference probe, also known as a Keyphasor, or a position sensor. The reference probe plays a crucial role in synchronizing data acquisition with machine rotation, facilitating accurate phase analysis and vibration diagnostics. Alternatively, this circuit can accommodate a position sensor for additional positional monitoring capabilities.
  • Reference Probe (Keyphasor) or Position Sensor (Circuit 14) - Bently Nevada 3500 Interface: Specifically for interfacing with the Bently Nevada 3500 monitoring system. Similar to circuit 13, it can accommodate either a reference probe (Keyphasor) for synchronization purposes or a position sensor. This interface enables seamless integration with the Bently Nevada 3500 system, leveraging its advanced monitoring and diagnostic capabilities.

Probe Power Supplies

  • Voltage Output: Each channel of the probe power supply delivers a consistent voltage output of -24.5V. This voltage range typically spans from -23V to -26V, ensuring compatibility with a wide variety of sensors and probes.
  • Current Output: The probe power supplies are designed to provide a maximum output current of 12mA. This current rating is optimized to meet the requirements of connected sensors and probes while ensuring stable and reliable operation.
  • Current Limiting: To comply with safety standards and regulations, the probe power supplies are equipped with current limiting functionality. This feature ensures that the output current remains within specified limits, preventing overloading and safeguarding against potential hazards.
  • Class 1, Div. 2 Compliance: The probe power supplies are engineered to meet the stringent requirements of Class 1, Division 2 hazardous locations. This designation signifies their suitability for use in environments where flammable gases, vapors, or liquids may be present, ensuring safe operation in challenging industrial settings.
  • Stability and Precision: With precise voltage regulation and current limiting capabilities, the probe power supplies offer stability and accuracy in delivering power to connected sensors and probes. This ensures consistent performance and reliable data acquisition in vibration monitoring and other sensing applications.
  • Compatibility: The probe power supplies are designed to be compatible with a wide range of sensors and probes commonly used in industrial applications. Whether powering accelerometers, velocity sensors, or other types of transducers, these power supplies provide the necessary voltage and current levels for optimal sensor performance.
  • Redundancy and Reliability: Redundancy features may be implemented within the probe power supply system to ensure continued operation in the event of a component failure. This enhances system reliability and minimizes downtime, critical factors in maintaining uninterrupted monitoring and control processes.
  • Monitoring and Diagnostics: The probe power supplies may incorporate monitoring and diagnostic capabilities to provide real-time feedback on voltage and current levels, as well as any potential faults or anomalies. This enables proactive maintenance and troubleshooting, further enhancing system reliability and performance.

WOC has the largest stock of Speedtronic control spares. Please contact our staff by phone or email for pricing and availability on any parts and repairs


FREQUENTLY ASKED QUESTIONS

What is IS400TVBAH2BBA?
It is a Vibration Terminal Board developed by General Electrics.

How does the Vibration Terminal Board detect open circuits in vibration inputs?
The Vibration Terminal Board provides open circuit detection for each vibration input. If any of the inputs experience an out-of-range voltage, indicating an open circuit condition, the I/O processor generates a diagnostic alarm or fault to alert operators to the issue.

What happens if there is a voltage out-of-range condition in any vibration input?
In the event of a voltage out-of-range condition in any vibration input, the I/O processor creates a diagnostic alarm or fault. This proactive detection mechanism ensures that abnormalities in the vibration signals are promptly identified and addressed, minimizing the risk of equipment damage or failure.

How are cable connectors on the terminal board identified and verified?
Each cable connector on the terminal board is equipped with its own ID device, which contains essential information such as the terminal board serial number, board type, revision number, and connector location (JR, JS, JT). When the I/O processor interrogates this chip and detects a mismatch, it indicates a hardware incompatibility fault.