9469200994 Rev — 19
DGC-2020ES Speed Signal Inputs
Speed Signal Inputs
The DGC-2020ES uses signals from the generator voltage sensing inputs and magnetic pickup (MPU)
input to detect machine speed.
Magnetic Pickup
Voltage supplied by a magnetic pickup is scaled and conditioned for use by the internal circuitry as a
speed signal source. The MPU input accepts a signal over the range of 3 to 35 volts peak and 32 to
10,000 hertz.
Terminals
Magnetic pickup connections are provided at terminals 31 (+) and 32 (–).
Generator Sensing Voltage
The generator voltage sensed by the DGC-2020ES is used to measure frequency and can be used to
measure machine speed.
Terminals
Sensing voltage is applied to terminals 45 (A-phase), 43 (B-phase).
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