GE DS200SIOBH1A DS200SIOBH1ABA I/O Control Board
Description
| Manufacture | GE |
| Model | DS200SIOBH1A DS200SIOBH1ABA |
| Ordering information | DS200SIOBH1A DS200SIOBH1ABA |
| Catalog | MARK V |
| Description | GE DS200SIOBH1A DS200SIOBH1ABA I/O Control Board |
| Origin | USA |
| HS Code | 3595861133822 |
| Dimension | 3.2cm*10.7cm*13cm |
| Weight | 0.3kg |
Details
About the DS200SIOCG1A
The DS200SIOCG1A is a VME Stand I/O printed circuit board (PCB) manufactured by General Electric as part of the legacy Speedtronic Mark V Turbine Control System. Widely applied in automated drive control and management systems for gas, steam, and wind turbines, the Mark V Series is one of GE’s final product lines built upon the patented Speedtronic control technology. Though now discontinued and classified as obsolete legacy equipment, it remains a reliable and widely recognized control platform in industrial automation.
The DS200SIOCG1A is a revised upgraded variant of the original DS200SIOCG1 base I/O board. It features an A-rated functional revision that is not integrated into the baseline DS200SIOCG1 model, delivering optimized performance and compatibility for Mark V system I/O control operations.
Hardware Specifications & Structural Features
Configured with dedicated hardware components for standard Mark V system I/O signal processing, the DS200SIOCG1A VME (VersaModular Eurocard) stand-alone I/O board features a complete onboard terminal and connector layout for signal transmission and reception. The board is equipped with five terminal blocks labeled TB-1, TB-2, TB-3, TB-4, and TB-5, supporting a maximum of 33 signal wires. It also integrates one protective fuse and four 2-pin connectors to ensure stable and safe circuit operation.
All signal wires are fixed in terminal blocks via fastening screws, with exclusive identification markings printed on the PCB for accurate wiring and circuit differentiation. Due to the obsolescence of the Mark V legacy system, official public documentation for this model is limited. As a result, the DS200SIOCG1A part number serves as the authoritative reference for confirming its hardware configuration and product attributes, with each nomenclature segment representing specific technical details:
- DS200: Standard designation for official Mark V series assembly specifications
- Domestic manufacturing: Indicates original domestic production origin
- SIOC: Functional abbreviation for Stand I/O Control board
- Standard PCB coating: Adopts conventional conformal surface protection coating
- Group 1: Official product grouping within the Mark V series lineup
- A-rated revision: Specifies the A-level functional hardware revision
Installation & Replacement Guidelines
The DS200SIOCG1A is static-sensitive high-voltage equipment. Strict compliance with official installation specifications is mandatory to avoid hardware damage and eliminate potential safety hazards, as the board surface may carry lethal voltages during operation.
Follow the standardized replacement procedures below:
1. Label every signal wire with the corresponding ID of its connected terminal block to ensure accurate reinstallation.
2. Completely cut off all power supplies to the board before disassembly, then loosen the terminal fastening screws to remove the signal wires.
3. Double-check all wire labels to confirm terminal ID accuracy, and bend the wires aside to reserve space for board removal and installation.
4. After mounting the new replacement board, insert the bare wire ends into the corresponding terminals. Hold the wire in place with one hand and tighten the terminal screws securely with a screwdriver using the other hand.
5. Perform a tension test on all wires to verify firm connection and prevent loose wiring or signal failure during system operation.














