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PJ5KPS
19 / 80
User & Technical Manual
Rev. 1.5 - 08/02/06
The machine's RF output is the "EIA 1 5/8" flanged type and is accessed on the roof
of the PJ5KPS. If a dummy load capable of dissipating the RF power generated by
the transmitter is available, it is advisable to run the first tests by connecting to it
rather than to the transmission antenna.
5.3.2 Power-on
When powering-on the transmitter the first time, perform the operations outlined in
the table below.
The "Result" column indicates the immediate results of the operations performed
plus a few indications that confirm that the machine is working efficiently.
Should any inconsistencies occur as compared to these indications, interrupt the
procedure and identify the reason for the malfunction before resuming the procedure.
Operation
Result
Close the "Transformer Breaker" isolating switches
The power supply unit carriages are powered
Turn the "Mains" switch The whole transmitter is powered. The machine is activated in the same
status it was in when it was turned off the last time
Press the OFF key of the control unit
RF emission by the transmitter is inhibited; the exciters are off; the RF
amplifier modules are off
Press the EXCITER CHANGEOVER key of the control unit
The automatic management for the exciters changeover is disabled. The
MANUAL LED must be on (otherwise press the key again)
Press the STDBY key of the control unit
The exciters are turned on in interlock status. The RF amplifying
modules stay disabled. Being in manual modality, the exciters could be
unlocked to verify the operation (see 5.3.3).
Set the parameters of the control unit
This procedure is described in chapter 5.3.3 on in this manual. The
control unit communicates the nominal power and reduced power values
to the RF modules. It also handles the coaxial relays so that the on air
exciter is the desired one and sets the exciter to ON mode
Set the exciters
Adhere to the instructions of the exciters used for setting the required
work frequency on the exciters. Regulate the output power of the
exciters to 20 W.
Press POWER LOWER and ON
The current exciter is activated (the interlock is released from the
exciter) and its power emission is enabled. The power emitted by the
PJ5KPS amplifier increases gradually until it attains the level that had
been set previously as "Reduced power". Check the emitted power level
by means of the analog instrument with the selector switched to FWD
PWR position
Press NOMINAL POWER
Power supplied by PJ5KPS increases and attains the set nominal
value. Check it on the analog instrument.
When the transmitter is on and works at its nominal power, the whole series of
"accessory" checks and settings deemed necessary may be carried out before
starting up the apparatus.
Содержание PJ5KPS
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Страница 101: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved RF module fuse board SLFUSRFPJ5KM PJ5KPS 1 3 ...
Страница 107: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved Analog meter selector SLMETPJ5KM4 PJ5KPS 1 3 ...
Страница 116: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved Power relay interface SLRLYPROTVJ PJ5KPS 1 3 ...
Страница 119: ...Appendix to the user manual 2003 R V R Elettronica SpA All rights reserved Emergency CCU Board SLCCUEMPJ5K2 PJ5KPS 1 3 ...
Страница 122: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 1 Wiring Diagram ...
Страница 123: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 7 Microcontroller board SLCPUPJ5KM2 ...
Страница 134: ...Appendix to the user manual 2003 R V R Elettronica SpA All rights reserved PJ5KPS 1 3 Three phase rectifier SLRCTPJ5KMC ...
Страница 146: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 4 Parallel interface SLINTREMPJK5M ...
Страница 161: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 3 RF module driver SLDRVRFPJ5KM ...