Overview
Configured for servo signal execution in the GE Mark VI Speedtronic control system, the General Electric IS200VSVOH1BDC (IS200VSVOH1B VME Servo Card) provides direct physical and electrical control of turbine actuator interfaces. This module integrates servo processing functions with VME rack communication and includes a J55 terminal interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200VSVOH1BDC |
| Spare Model | IS200VSVOH1B |
| Brand | General Electric |
| Product Type | VME Servo Card |
| Series | Mark VI Speedtronic Control System |
| Application | Gas Turbine TMR Servo Control |
| Interface | VME Backplane Interface |
| Terminal Interface | J55 Terminal Port |
| Origin | USA |
| Weight | 0.32 kg |
| Dimensions | 2.1 x 18.8 x 26.2 cm |
Backplane Bus Communication and Servo Control Interface
The IS200VSVOH1BDC operates as a VME-based servo processing board within GE Mark VI turbine control architectures. The module exchanges control data through the VME backplane and manages servo-related input and output signals between the controller and actuator circuits.
The board supports industrial control synchronization through backplane bus communication velocity management and firmware flash compatibility within the Mark VI hardware platform. Therefore, system configuration must maintain compatible controller firmware and rack hardware combinations.
The servo card uses the J55 terminal port for field-side signal connection. Installation requires correct terminal assignment, shield termination, and separation between low-level control wiring and high-energy actuator circuits.
Frequently Asked Questions
Q: Is the IS200VSVOH1BDC a standalone controller module?
A: No. The IS200VSVOH1BDC functions as a VME servo interface card and requires installation within a compatible GE Mark VI rack system.
Q: Does the module support direct field wiring connection?
A: The board provides field signal access through the J55 terminal port. Wiring must follow the approved GE terminal configuration and grounding practices.
Q: Can the IS200VSVOH1BDC replace the IS200VSVOH1B module?
A: The IS200VSVOH1B is listed as the spare model reference. Replacement compatibility depends on rack configuration, firmware revision, and application requirements.
Field Installation Guidelines
- Install the servo card only in the designated GE Mark VI VME rack slot configuration.
- Verify the backplane connector condition before insertion to prevent contact damage.
- Confirm J55 terminal wiring against system drawings before energizing the control cabinet.
- Route servo signal cables separately from high-voltage power conductors to reduce electrical interference.
- Connect cable shields according to cabinet grounding standards to minimize signal noise.
- Inspect the board for connector damage, contamination, or mechanical stress before installation.
- Verify controller firmware compatibility after module replacement or maintenance activity.
