Power Line Carrier ____________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
5-56
SW2-1 thru SW2-4
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
SW2-4
20-25V
SW2-5 thru SW2-8
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
Settings
SW2-5
90V
SW2-6
85V
SW2-7
70V Default
SW2-8
60V
Note:
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).
5.6.2 Power Amplifier Power Supply
V+
V-
C
NO
NC
Figure 5-34. Power Amplifier, Power Supply
The Power Amplifier, Power Supply supplies power to the HPS/RFL 9508 Power Amplifier.
There are two different types Power Supply available as shown below.