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SPECIFICATIONS:
Part Number: IS200TVIBH1B
Manufacturer: General Electric
Series: Mark VIe
Product Type: Vibration Terminal Board
Number of channels: 13
Proximity Displacement: 5 to 200 Hz
Seismic Velocity: 0 to 0.25 V pp
Probe Power: - 24 V dc
Operating temperature: -30 to 65°C
Size: 33.0 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6421I
FUNCTIONAL DESCRIPTION:
IS200TVIBH1B is a Vibration Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The Mark VI system uses Bently Nevada probes for shaft vibration monitoring. Up to 14 probes connect directly to the TVIB terminal board, two of which can be cabled to the VVIB board. The signals are processed by the VVIB board, and the digitized displacement and velocity signals are sent over the VME bus to the controller. The available types of vibration probes compatible with TVIB include the following:
There are two types of TVIB terminal boards, H1A and H2A. The H2A type board has BNC connectors allowing portable vibration data gathering equipment to be plugged in for predictive maintenance purposes. Both types have connectors so that Bently Nevada vibration monitoring equipment can be permanently cabled to the terminal board to measure and analyze turbine vibration. For the Mark VI system, the VVIB processor works with the TVIB board. Simplex and TMR systems are supported. Two TVIB can be connected to the VVIB with two cables. With TMR systems, TVIB is cabled to three VVIB processors with three cables.
INSTALLATION:
Fourteen vibration probes are wired to the two terminal blocks, three wires per probe. Jumpers JP1 through JP8 select the type of the first eight probes. Use of connectors JA1, JB1, JC1, and JD1 for a Bently Nevada system is optional.
OPERATION:
TVIB supports Proximitor, Seismic, Accelerometer, and Velomitor probes of the type supplied by Bently Nevada. Power for the vibration probes comes from the VVIB boards, in either Simplex or TMR mode. The probe signals return to VVIB where they are A/D converted and sent over the VME bus to the controller. Vibration, eccentricity, axial position alarms, and trip logic are generated in the controller. A -28 V dc source is supplied to the terminal board from the VME board for Proximitor power. In TMR systems, a diode high-select circuit selects the highest - 28 V dc bus for redundancy. Regulators provide individual excitation sources, -23 to -26 V dc, short circuit protected. Probe inputs are sampled at high speed over discrete periods by VVIB.
WOC has the largest stock of GE Distributed control systems OEM replacement parts. We can also repair your faulty boards and supply unused and rebuilt boards 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 contact our team by phone or email.
How does integrating a Vibration Terminal Board benefit turbine control systems?
Integrating a VTB allows turbine operators to continuously monitor vibration levels, enabling proactive maintenance and minimizing the risk of unexpected failures. This can improve turbine reliability, reduce downtime, and optimize performance.
Which vibration parameters can a Vibration Terminal Board measure in turbine control systems?
VTBs can measure various vibration parameters, including velocity, acceleration, displacement, and frequency. These parameters provide insights into the condition of turbine components and help in diagnosing potential faults.
What are the typical installation locations for Vibration Terminal Boards in turbine control systems?
VTBs are usually installed near critical components of the turbine, such as the turbine shaft, bearings, and gearbox. Placing sensors strategically allows for comprehensive monitoring of vibration across key areas.
