DS200ACNAG1ADD GE Controller module for petrochemical and natural gas

DS200ACNAG1ADD GE Controller module for petrochemical and natural gas

DS200ACNAG1ADD GE Controller module for petrochemical and natural gas

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The DS200ACNAG1ADD is an ARCNET (Attached Resource Computer Network) Card manufactured by General Electric for their Mark V series.  The Mark V is part of GE’s successful Speedtronic line of gas/steam turbine management systems. This series has been managing heavy-duty turbine systems since the 1960s, with GE developing more reliable, advanced systems as technology allowed.  The Mark V is built with triple-redundant backups on all critical controls and protection parameters and includes such features as built-in diagnostics and online maintenance.

The DS200ACNAG1ADD card provides a connection point for ARCNET LAN communications within the MKV system.  Board signals travel on a pathway between the main processor board (LDCC,) through the ARCNET board, to the turbine control operator interface and back again.   These signals travel via co-axial cables.

The DS200ACNAG1ADD is a small circuit board with few components.   The board has four metal film resistors (R1 through R4,) three capacitors (C1 through C3,) and one diode.   Two factory-drilled holes located on either side of the board have a metal washer inserted into their opening.  These two openings are marked as GND1/GND2. Two relays are located near the bottom edge of the board. Both relays include a relay diagram on their top surface.  Relay diagrams are visual representations of the relay logic that allows the relay to function.