Configuration
Note: All jumper and potentiometer settings are made at the factory and should not need field
adjustment, except the gain potentiometer R83, and the threshold potentiometer R8.
For DIP Switch settings SW1 and SW2 see below. Set to ON to enable the DIP Switch, unused DIP
switches must be set to OFF.
The table below is effective May 2011
Table 5-16. Function of DIP Switches SW1 and SW2 on Power Amp Board.
Phase Limit Setting:
The 50W Power Amplifier will shut down if a preset Phase Angle is exceeded.
The factory set threshold is 60 degrees. SW1-1 through SW1-8 can be set as
follows: Note that SW1-2, SW1-4, SW1-5 and SW1-6 are not used.
DIP Switch
Phase Angle in Degrees
SW1-1 30
SW1-3 45
SW1-7
60 Default setting
SW1
SW1-8 90
Phase Detector Set Point:
These DIP switches set the voltage threshold for the Phase Limit Setting. The
Phase limit circuit will not operate if the voltage falls below the preset. SW2-1
through SW2-4 can be set as follows:
DIP Switch
Setting
SW2-1 Not
used
SW2-2 40V
SW2-3
30-35V Default
SW2-1 thru SW2-4
SW2-4 20-25V
Overvoltage Detector Set Point:
The 50W Power Amplifier will shut down if the output voltage exceeds the
preset threshold. SW2-5 through SW2-8 can be set as follows:
DIP Switch
Setting
RFL 9508D UCC
RFL Electronics Inc.
SW2-5 90V
SW2-5 thru SW2-8
SW2-6 85V
70V Default
SW2-7
SW2-8 60V
Note that the Phase Detector circuit will also shut down the Power Amplifier if the output voltage is
above the set threshold and the output current is very low (well below 200ma).
May 27, 2011
5-31
(973) 334-3100
