Harris Ranger Series, Commissioning Manual

Page: 66 / 162

3-10 888-2685-001 12/24/07
WARNING: Disconnect primary power prior to servicing.
Ranger Commissioning Manual
Section 3 Operation and Adjustments
3.6.2 PA Meters
This screen is accessed by pressing the “PA Meters” button in Figure 3-6 or Figure 3-7.
A complete set of PA Meter readings is given in the Factory Test Data. The Factory Test
Data readings are taken at rated power unless otherwise specified by the customer. Any
reading out of tolerance will be reported as a fault to the control system and show up on
the PA Faults screen in Figure 3-7.
Figure 3-8 PA Metering Screen
The following table gives typical readings (at 600W output) and fault limits for each
reading. See factory test data for more accurate readings for your transmitter and
frequency.
Table 3-2 PA Module Typical Readings and Fault limits
Reading Typical Reading Fault Limit
RF Input 15mW 0 = underdrive / 23mW = Overdrive
RF Output 600W none
Reflected Less than 10 watts Fault = 200W
Power Supply Voltage 32Vdc Under V = 30V / Over V = 33V
Total Module Current 55 - 65 amps 75 amps
Driver Pallet Current 6 - 7 amps 12 amps
PA Pallet Currents 8 - 10 amps each 12 amps
Heatsink Temperature 60 - 65
o
C (affected by ambient) 90
o
C
*Current readings will vary with frequency and power output.
To Figure 3-9
To Figure 3-7
To Figure 3-7