The DS200NATOG2A is a voltage feedback scaling board produced by General Electric (GE), belonging to the LS2100 series.

The DS200NATOG2A is mainly used to attenuate the AC and DC voltages on the thyristor rectifier (SCR) bridge to ensure accurate output of bridge voltage feedback. 

The DS200NATOG2A board features five identical series precision resistance strings, corresponding respectively to each phase of the three-phase AC and the positive and negative poles of the DC bus voltage. 

Each resistance string has three input points and two optional jumps, and can be configured to attenuate input voltages of 6900V, 4200V, 3300V, 2200V or 1200V. 

Its output is connected to a 20-pin ribbon connector and is equipped with a metal oxide rheostat (MOV) to prevent the output voltage from being too high when the output ribbon circuit is interrupted.

 In addition, the load resistors required for operation are located on the attached gate distribution state board rather than on the NATO board.

The DS200NATOG2A complies with standards such as CSA, EC and UL, and is suitable for transient control. It is usually used in conjunction with VME backplanes and door distribution status plates, 

and has important applications in industrial scenarios such as gas turbine control systems

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