Rockwell-automation SF3000 Parallel Gate Amplifier System Manual de usuario Pagina 24

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4-2
Parallel Gate Amplifier
The standard DC bus voltage is +28 VDC, but the PGA module is capable of handling
DC bus voltages up to +100 VDC, if required by the application. Voltages greater than
the standard +28 VDC must be provided by an externally mounted power supply,
connected to the Power Supply module’s P/S 2 and COM faceplate terminals. See
chapter 3.
The PGA module has one internal fuse. The fuse is not user-serviceable. A blown
fuse indicates that the PGA module has failed and must be replaced.
A functional block diagram of the PGA module is provided in figure 4.2. Specifications
are listed in Appendix C.
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