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User Manual
Rev. 3.0 - 21/03/18
PJ5000U-K
The RF power section of
PJ5000U-K
uses eight LD-MOSFET (MRFE6VP61K25H)
modules delivering up to 750W output power each.
An LCD on the front panel and a push-button panel provide for user interfacing with
the microprocessor control system, which implements the following features::
• Output power setup.
• Power output enable/disable.
• User-selectable threshold settings for output power alarm (Power Good
User-selectable threshold settings for output power alarm (Power Good
feature)
•
Measurement and display of amplifier operating parameters.
•
Communication with external devices such as programming or telemetry
systems via RS232 serial interface or I
2
C.
Four LEDs on the front panel provide the following status indications:
ON
,
LOCAL
,
FOLDBACK
and
RF MUTE
. On left side, four LEDs provide indications relatively
the status of RF signal amplified:
FAULT
,
FUSE BLOWN
,
FOLDBACK
and
ON
.
At last, on right side, four LEDs provide indications relatively the fault status of
power supplies:
PS1
,
PS2
,
PS3
and
PS SERVICE
.
The amplifier management firmware is based on a menu system. User has four
navigation buttons available to browse submenus:
ESC
, , , ed
ENTER
.
The rear panel features the mains input connectors, RF power input connectors
that allows its use with common mains voltages, telemetry connector, protection
fuses, interlock input and interlock output connectors, I
2
C connector, SERVICE
connector for programming and common bus connector for interfacing with other
PJ5000U-K
in cascade.
IMPORTANT:
The equipment works in three-phase, with a star center connection,
and can also be used in single-phase.