The GE DS200SIOCG1AEA, also cataloged as the SIOC Instantaneous Overcurrent Card, operates as a dedicated hardware component for high-speed current monitoring and overcurrent circuit protection within GE Mark V Turbine Control System VME rack structures.
Suffix Breakdown & Model Matrix
| Revision Component | Designator Code | Description |
|---|---|---|
| Base PCB Architecture | DS200 | Standard GE Mark V form factor circuit board baseline |
| Functional Acronym | SIOC | Instantaneous Overcurrent Card |
| Group Variant | G1 | Group 1 product configuration with normal assembly coating |
| 1st Functional Revision | A | Initial functional design revision |
| 2nd Functional Revision | E | Secondary functional engineering revision |
| Artwork Revision | A | Base circuit trace layout and silkscreen artwork revision |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200SIOCG1AEA |
| Brand | GE (General Electric) |
| Origin | USA |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | VME backplane DC power supplied |
| Product Series | Speedtronic Mark V System |
| Terminal Connections | 5 wire terminals (supports up to 33 total signal wires) |
| Interconnect Headers | 4 2-pin connectors |
| Circuit Protection | Onboard field-replaceable protective fuse |
| PCB Assembly Coating | Normal Assembly Coating |
Industrial Control & Circuit Overload Execution
The DS200SIOCG1AEA delivers high-speed fault isolation to preserve backplane bus communication velocity and prevent signal degradation across connected drive control racks. Featuring five wire terminal blocks—two handling 12 signal wires each and three handling 3 signal wires each—the board facilitates dense, direct field wiring execution. The integrated overcurrent fuse isolates critical onboard traces during electrical overload events, safeguarding local logic loops and ensuring firmware flash compatibility across legacy Mark V VME control architectures.
Frequently Asked Questions
Q: What wire termination capacity does the DS200SIOCG1AEA board provide?
A: The board contains five screw wire terminals that accommodate up to 33 individual signal wires: two terminals accept 12 wires each, and three terminals accept 3 wires each.
Q: How is circuit protection handled on the DS200SIOCG1AEA card?
A: Overcurrent events are mitigated via an onboard replaceable fuse that interrupts excess electrical current before component or trace damage occurs on the PCB.
Q: Is the DS200SIOCG1AEA backwards compatible with earlier board revisions?
A: Yes, the DS200SIOCG1AEA maintains functional backwards compatibility with the initial two revision iterations of the base DS200SIOC model.
Field Installation Guidelines
- Ensure main power to the Mark V control cabinet is shut off before removing or installing the circuit board assembly.
- Wear a grounded ESD wrist strap connected to the chassis ground frame to prevent static discharge during handling.
- Label all 33 potential signal wires with their corresponding terminal IDs prior to disconnecting wires from an existing board.
- Verify that replacement fuses match the exact current and voltage electrical ratings of the original factory specification.
- Align card edge connectors carefully with the VME rack slot guide rails and push firmly until fully seated into the backplane.
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