Overview
The GE IS200TVBAH2ACC, also cataloged as the IS200TVBAH2A Vibration Input Terminal Board, operates as a dedicated hardware component for vibration signal interface and conditioning within the GE Mark VI/VIe Speedtronic Turbine Control System.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200TVBAH2ACC |
| Brand | General Electric |
| Product Type | Vibration Input Terminal Board |
| Series | GE Mark VI / Mark VIe Speedtronic |
| Origin | USA |
| Weight | 0.65 kg |
| Dimensions | 33 x 17.7 x 8.2 cm (shipping size) |
| Operating Temp | -40 deg C to +85 deg C |
| Storage Temp | -55 deg C to +90 deg C |
| Humidity | 5 – 95 % RH non-condensing |
| Power Supply | +28 VDC |
| Input Impedance | 1.5 Mohm |
| Isolation | 1500 VDC |
| Tariff Code | 8537101190 |
| Installation Interface | Mark VI/VIe I/O signal terminal interface |
| Supported Sensors | Eddy-current proximity probes, seismic vibration sensors, accelerometers |
GE Industrial Control Interface Characteristics
The IS200TVBAH2ACC provides physical termination and signal conditioning between field vibration sensors and GE Mark VI/VIe I/O packs. The terminal board processes low-level vibration inputs from mechanical monitoring devices before digital conversion and control system analysis.
In addition, the board supports GE industrial control architecture through dedicated field wiring connections and backplane signal transmission paths. The interface design maintains signal integrity for vibration measurement loops used in turbine protection and monitoring functions.
The GE Mark VI/VIe platform uses deterministic I/O communication methods for control data exchange. Therefore, the terminal board operates as a signal acquisition interface rather than an independent processing controller.
Frequently Asked Questions
Q: What type of vibration sensors can connect to the IS200TVBAH2ACC?
A: The board supports vibration input connections from eddy-current proximity probes, seismic vibration transducers, and accelerometers used for turbine mechanical monitoring.
Q: Does the IS200TVBAH2ACC perform vibration analysis internally?
A: No. The terminal board provides signal termination, conditioning, and electrical isolation. The connected Mark VI/VIe I/O pack performs signal conversion and diagnostic processing.
Q: What power input does the IS200TVBAH2ACC require?
A: The terminal board uses a +28 VDC power supply for its field interface operation.
Field Installation Guidelines
- Install the terminal board inside the designated GE Mark VI/VIe control cabinet according to system hardware documentation.
- Verify field wiring polarity before connecting vibration sensor circuits.
- Use shielded instrumentation cables for vibration input wiring to reduce electrical interference.
- Connect cable shields according to the cabinet grounding practice defined for the turbine control system.
- Keep vibration signal cables separated from high-current power conductors and switching circuits.
- Confirm sensor wiring continuity and insulation resistance before system commissioning.
- Check vibration input scaling and signal conditioning parameters in the Mark VI/VIe configuration database after installation.
