About the DS200ACNAG1ACC
he DS200ACNAG1ACC is a GE Mark V component serving as an Attached Resource Computer Network (ARCNET) Card. Part of the successful Speedtronic line, the Mark V system, developed in the 1990s, was designed for gas and steam turbine management. While Speedtronic technology dates back to the 1960s, the Mark V introduced significant advancements such as:
- On-line repair capabilities for its triple-redundant controllers.
- Full turbine-generator monitoring.
- Digital valve positioning.
- Enhanced diagnostics for fault isolation down to the card level.
Despite these features, the Mark V Series, including the DS200ACNAG1ACC, is now considered an obsolete legacy product series due to manufacturing discontinuation. It's important to note that this specific DS200ACNAG1ACC is a revised version, not the original; the DS200ACNAG1 parent printed circuit board lacks its three significant revisions.
Hardware Tips and Specifications
The DS200ACNAG1ACC is crucial for ARCNET LAN communications within the larger system. It processes signals between the main processor board (LDCC) and the turbine control operator interface.
- This system relies on coaxial cables, and the ACNA card is designed to accept two coaxial cables, handling their internal termination.
- The <Status> S data link connection to the turbine controller is also made on this board.
- Due to its legacy status and lack of extensive original instructional manuals, the DS200ACNAG1ACC functional product number is a primary source of hardware information. This number provides details such as:
- DS200 series tag: Indicates normal Mark V Series assembly version and domestic manufacturing location.
- ACNA functional product abbreviation.
- Normal PCB Protective Coating.
- Group one Mark V Series product grouping.
- A-rated primary functional revision.
- C-rated secondary functional revision.
- C-rated artwork configuration revision.
Despite its small size, the DS200ACNAG1ACC contains several key components:
- Three capacitors (C1, C2, C3).
- Four metal film resistors (R1, R2, R3, R4).
- A single diode.
- Two relays, each with a printed diagram on one surface.
- Two factory-made openings with metal rings (GND1 and GND2).
- Two right-angled female BNC plugs along the top edge, designed for LAN coaxial cables.
- One vertical 6-pin male terminal connector located in its center.
