Ametek 1251RP Series, User And Programming Manual

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RP Series March 2011
21
5.6. Oscillator Control Board
The Oscillator control board has the Microcontroller and all the control logic to generate a
programmable sine wave reference of the correct amplitude and frequency. It includes all the
control logic to respond to user commands from the front panel or the remote control
interface. It also updates the displays to show the programmed settings and current
measurements. Refer to Figure 5-2 for a block diagram.
When the output is programmed above 5.0 volts, the multicolor LEDs, DS10 and DS9, on the
oscillator board will illuminate.
. Current
Current DAC
Curr. Sense/Fault
Sense Frequency
Generation
Micro Voltage DAC
Front Controller
Panel
Control
Display Sine Wave
Generation OSC
Reference
DC NVRAM
Supply RS232/IEEE
Option
Figure 5-2: Oscillator and controls