Description
Product Description
The General Electric DS200SIOBH1AAA is a VME-format SIOB I/O control board used in GE Speedtronic Mark V turbine control systems. The board provides signal interface and processing functions within the Mark V control architecture and is designed for installation in the system’s VME rack. Public technical references identify the DS200SIOBH1AAA as a Mark V DS200-series VME I/O card.
The board includes configurable hardware for site-specific system requirements, with 20 jumpers, three switch blocks containing 18 switches in total, a front-panel/status LED and a 40-pin connector. These settings should be compared carefully with the original board before a replacement is installed.
Key Features
- GE General Electric DS200-series board
- Mark V Speedtronic turbine control platform
- SIOB VME I/O control board
- VME rack installation
- 20 hardware jumpers
- 18 DIP switches in 3 switch blocks
- 40-pin interface connector
- LED status indication
- Conformal-coated PCB
- Suitable for Mark V maintenance and replacement applications
Technical Data
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | DS200SIOBH1AAA |
| Product Name | SIOB VME I/O Control Board |
| Product Type | VME I/O / Control Board |
| Series | Mark V Speedtronic |
| Functional Acronym | SIOB |
| VME Interface | VME rack architecture |
| Hardware Jumpers | 20 |
| Switch Blocks | 3 |
| Total Switches | 18 |
| Interface Connector | 40-pin |
| Status Indicator | 1 LED |
| PCB Coating | Conformal coating |
| Functional Revision 1 | A |
| Functional Revision 2 | A |
| Artwork Revision | A |
| Application | Turbine control system I/O |
| Condition / Status | Refer to item-specific listing condition |
The revision information and board hardware details above are specifically documented for the DS200SIOBH1AAA version.
Mark V System Integration
The DS200SIOBH1AAA belongs to GE’s DS200 Mark V board family. The Mark V platform uses a VME-based architecture, with individual boards performing dedicated control, I/O, communication and signal-conditioning functions.
For maintenance work, the exact board suffix should be matched rather than ordering only by the shorter DS200SIOBH1A designation. The long-form number identifies the specific revision combination, and available references distinguish the AAA, ABA and ACA versions.
Before replacement, verify:
- Complete board number: DS200SIOBH1AAA
- Functional and artwork revisions
- Jumper positions
- DIP-switch positions
- 40-pin connector condition
- VME edge connector condition
- Existing Mark V cabinet/rack configuration
- Original board wiring and configuration
Replacement Notes
The jumper and switch settings are particularly important when replacing a Mark V board. Record the configuration of the original card before removal and reproduce the applicable settings on the replacement board according to the plant’s approved documentation.
The DS200SIOBH1AAA should not be assumed interchangeable with DS200SIOBH1ABA or DS200SIOBH1ACA simply because the basic model family is similar. Different revision suffixes can represent different hardware configurations.
As a legacy Mark V VME board, installation should be performed with the control system de-energized according to the equipment manufacturer’s maintenance procedure.
FAQ
Q: What system does the DS200SIOBH1AAA belong to?
A: It is a GE Speedtronic Mark V DS200-series VME board.
Q: What does SIOB mean?
A: SIOB is the functional acronym associated with this Mark V I/O board.
Q: How many jumpers does the board have?
A: The documented DS200SIOBH1AAA has 20 hardware jumpers.
Q: How many switches are installed?
A: It has three switch blocks with six switches each, for a total of 18 switches.
Q: Does the DS200SIOBH1AAA have a 40-pin connector?
A: Yes. Available board references identify one 40-pin connector.
Q: Is DS200SIOBH1AAA the same as DS200SIOBH1ABA?
A: They are different revision variants. The complete suffix should be checked against the installed board before replacement.
Q: What should I check before ordering a replacement?
A: Match the complete part number, revision markings, jumper configuration, switch settings, connectors and the Mark V rack application.
Recommended GE Mark V Models
- GE DS200SIOBH1ABA SIOB VME I/O Board
- GE DS200SIOBH1ACA Mark V I/O Board
- GE DS200TCQAG1B Mark V Analog I/O Board
- GE DS200TCCAG1A Mark V Contact Input Board
- GE DS200TBQDG1A Mark V Terminal Board
- GE DS200TBQCG1A Mark V Terminal Board
- GE DS200SLCCG1A Mark V LAN Communication Board
- GE DS200STCAG2A Mark V STCA Board
- GE DS200SDCIG2A Mark V DC Power Supply Interface Board
- GE DS200DSPAG1A Mark V Digital Signal Processor Board

