GE DS200SIOBH1ABA SC2000 VME I/O Board

Description

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Key Technical Specifications

The DS200SIOBH1ABA is listed as a VME Stand I/O card for the Mark V platform, with 20 jumpers, three six-position switch blocks, one LED, and a 40-pin connector. The board is installed in a full VME slot through the P1 connector.

Product Introduction (Anti-Template)

The GE DS200SIOBH1ABA is a VME Stand I/O Board used within GE Mark V turbine control architecture. Its role is to provide the VME-based interface between the control system and external I/O circuitry, with the board’s hardware configuration determining how the installed application handles its associated signals. The board occupies one complete VME slot and connects through the P1 backplane interface.

This is a legacy board where the exact hardware configuration matters just as much as the part number. The DS200SIOBH1ABA has 20 jumpers and 18 DIP-switch positions, and GE’s replacement procedure calls for matching the replacement board’s configuration to the original board. Do not assume that two boards with the same basic SIOB designation are configured identically.

DS200SIOBH1ABA

DS200SIOBH1ABA

DS200SIOBH1ABA

QC, Procurement & Logistics SOP

1) Inbound Identification

Before accepting the board into stock, verify:

• DS200SIOBH1ABA part number
• SIOB functional designation
• GE/Mark V board markings
• Hardware revision markings
• PCB condition
• Connector condition
• Jumper positions
• DIP-switch positions

The full DS200SIOBH1ABA number should be used on the purchase order and commercial documents rather than shortening it to DS200SIOBH1 or SIOB.

2) PCB and Mechanical Inspection

Inspect the board for:

• Bent or damaged VME connector contacts
• Damaged 40-pin connector
• Cracked PCB
• Burn marks
• Corrosion
• Contamination
• Damaged components
• Loose hardware
• Previous repair work

The board is reported with conformal coating, which should also be inspected for peeling, cracking, contamination, or signs of previous component replacement.

3) Jumper and DIP Configuration

Record the original board configuration before replacement.

The board contains 20 jumpers and 18 DIP switches arranged in three blocks of six. Some jumper positions may be fixed rather than user-configurable. GE-related replacement guidance recommends matching the jumper and switch positions of the old board when installing a replacement.

A practical procurement rule is simple: photograph the old board before removing it. For legacy Mark V equipment, that photograph can be more useful than a generic configuration table.

4) VME Interface Verification

Where the appropriate Mark V/SC2000 test rack is available, verify:

• Correct seating in the VME slot
• P1 backplane connection
• Board initialization/access
• Front-panel LED behavior
• Relevant I/O interface operation
• Communication with the associated control hardware

The onboard LED is described as illuminating when the VME rack accesses the board, providing a basic hardware-status indication. It should not be treated as a complete functional test.

5) ESD Handling

The is a circuit board containing static-sensitive electronic components. Handle it using an ESD-safe workstation or equivalent precautions.

For storage and shipment:

• Use an antistatic bag
• Add impact protection around the PCB
• Protect the VME connector
• Prevent moisture exposure
• Use a rigid outer carton for international shipment

6) Export & Logistics

For international orders, list the exact part number on the commercial invoice and packing list.

HS classification should be confirmed against the actual product and destination customs requirements rather than copied from another GE Mark V board.

For urgent turbine-maintenance requirements, distinguish between:

• Ready stock
• Inspection pending
• Bench-tested
• New surplus
• Refurbished/repaired

This avoids promising a delivery time based solely on physical stock.

For Incoterms, EXW, FCA, or DAP may be used depending on the buyer’s freight and customs arrangement. Import duty, VAT, customs brokerage, and destination clearance remain dependent on local regulations.

Technical Pitfalls & Integration Warnings

1) Do Not Treat SIOB as a Generic PLC I/O Card

The belongs to the GE Mark V / SC2000 VME architecture. It is not a universal PLC I/O module that can simply be connected to a modern controller. The VME backplane, associated boards, terminal hardware, and application configuration all matter.

2) Jumper and DIP Settings Must Be Matched

The 20 jumpers and 18 DIP-switch positions are a major replacement concern. Installing a physically correct board with the wrong hardware configuration can result in incorrect I/O behavior or failure to operate as expected. Match the original board configuration rather than assuming factory-default settings are correct.

3) Do Not Assume Generic “16 DI / 16 DO” Specifications

Some online listings describe this model with fixed digital-I/O channel counts and serial protocols, but those claims are not consistently supported across available documentation. For procurement purposes, the safer identification is VME Stand I/O Board / SC2000 VME I/O Board. The exact signal configuration should be confirmed from the customer’s Mark V application documentation.

4) VME Slot and Backplane Compatibility

The board occupies a full VME slot through the P1 connector. Verify the customer’s rack, slot location, backplane, and associated terminal-board/cable arrangement before approving a replacement.

5) Revision Matching

is a revision-specific member of the DS200SIOBH1 family. The suffix should not be ignored when sourcing a replacement. If the customer’s original board has additional hardware or artwork markings, request a clear PCB/nameplate photograph before shipment.

6) Firmware Is Usually Not the Main Risk Here

Unlike a modern Ethernet PLC module, the main replacement concern for this board is not simply firmware version. The more immediate risks are hardware revision, jumper configuration, DIP-switch settings, VME slot compatibility, associated terminal hardware, and the Mark V application configuration.

Frequently Asked Questions (FAQ)

It is a GE Mark V VME Stand I/O Board, also described as an SC2000 VME I/O Board, with the functional acronym SIOB.

It is associated with the GE Mark V Speedtronic turbine control platform and SC2000 VME-based control hardware. Mark V was used in gas, steam, and wind turbine control applications.

Q3. How many jumpers and DIP switches does have?
The board has 20 jumpers and 18 DIP switches, arranged as three blocks with six switches per block. Some jumper positions are fixed and are not intended for adjustment.

It mounts in a VME rack and connects through the P1 VME connector, occupying one full VME slot. External I/O connections depend on the associated Mark V/ hardware and application.

Q5. Can I replace with another DS200SIOBH1 board?
Do not assume direct interchangeability based only on the shared DS200SIOBH1 prefix. Confirm the complete part number, hardware revision, jumper settings, DIP configuration, rack position, and associated system hardware first.

Q6. What information should I provide when requesting a replacement?
Provide the complete part number , a clear photo of the board label, hardware/revision markings, the existing jumper positions, DIP-switch positions, and the Mark V rack or control-system model. This allows the replacement to be checked against the actual installation.

Q7. Can a surplus be tested before shipment?
Yes, where a suitable Mark V/ test environment is available. Identification, PCB condition, VME interface, LED behavior, jumper/DIP configuration, and relevant I/O functions can be checked. A live inspection video can also be provided before shipment when required by the buyer.