R.V.R. Elettronica HC3 LCD User Manual Download

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HC3

21 / 28

User Manual

Rev. 1.0L - 16/05/01

7. Technical Specifications

7.1

Dimensional and Environmental Specifications

Cabinet Dimensions

447.0 mm x 132.5 mm x 507.5 mm

Panel Dimensions

483 mm x 132.5 mm

Weight

17.5 Kg

Operating Temperature Range

-10 °C

50 °C

Umidity

90% Maximum, whithout condensation

7.2

Electrical Specifications

A.C. Power Supply

117-230 V, 50-60 Hz

Cooling sustem

forced ventilation

Frequency Range

87.5 MHz

108 MHz

Max Rating Power

3.6 KW

Power Splitter Section

Inp. Impedance

50 Ohm

Inp. Connector

“N-type” connector

Out. Impedance

50 Ohm

Out. Connector

“N-type” coonnector

Power Coupler Section

Inp. Impedance

50 Ohm

Inp. Connector

EIA 7/8” Flange

Out. Impedance

50 Ohm

Out. Connector

EIA 7/8” Flange

Summary of Contents for HC3 LCD

Page 1: ...Manufactured by Italy HC3 LCD User Manual Volume 1 ...

Page 2: ...nted and bound in Italy No part of this manual may be reproduced memorized or transmitted in any form or by any means electronic or mechanic including photocopying recording or by any information storage and retrieval system without written permission of the copyright owner File name HC3LCD10_EN P65 Version 1 0 Date 11 02 2002 Revision History 1 0 11 02 2002 New version D Canazza Version Date Reas...

Page 3: ...Threshold setting menu 13 5 3 5 Alarms menu 14 5 3 6 Various menu 15 5 3 7 Version menu 16 5 3 8 Protection system 16 6 Controls Indicators and Connectors 19 6 1 Front Panel 19 6 2 Rear Panel 20 7 Technical Specifications 21 7 1 Dimensional and Environmental Specifications 21 7 2 Electrical Specifications 21 8 Electrical description 23 8 1 Power supply 25 8 2 Power Splitter 25 8 2 System Compensat...

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Page 5: ... t assume responsibility for injury or damage resulting from improper procedures or practices by untrained unqualified personnel in the handling of this unit Please observe all local codes and fire protection standards in the operations of this unit WARNING always disconnect power before opening covers or removing any part of this unit Use appropriate grounding procedures to short out capacitors a...

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Page 7: ...ed to R V R within five 5 days from its receipt To claim your rights under this warranty a Contact the dealer or distributor where you purchased the unit Describe the problem and ask if he has an easy solution Dealers and Distributors are supplied with all the information aboutproblems that may occur and usually they can repair the unit quicker than what the manufacturer could do Very often instal...

Page 8: ...ntion all the problems found and a copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be order from the following address Be sure to include the equipment model and serial number as well as part description and part number R V R Elettronica SpA Via del Fonditore 2 2c 40138 BOLOGNA ITALY Tel 39 051 6010506 ...

Page 9: ...ry and observe for breathing if not breathing begin artificial breathing Figure 2 tilt head pinch nostrils make airtight seal four quick full breaths Remember mouth to mouth resuscitation must be commenced as soon as possible Figure 1 Figure 2 Check carotid pulse Figura 3 if pulse is absent begin artificial circulation Figura 4 depressing sternum 1 1 2 TO 2 Figure 5 Figura 3 Figura 4 Figura 5 APPR...

Page 10: ...evated If medical help will not be available within an hour and the victim is conscious and not vomiting give him a weak solution of salt and soda 1 level teaspoonful of salt and 1 2 level teaspoonful of baking soda to each quart of water neither hot or cold Allow victim to sip slowly about 4 ounces half a glass over a period of 15 minutes Discontinue fluid if vomiting occurs Do not give alcohol 3...

Page 11: ...ers generate the so called unbalancement power that is in part dissipated inside the coupler The HC3 guarantees the overall working of the transmitter even if one of the amplifiers is completely off service In such case approximately 1 kW of the power generated by the surviving amplifier is routed to the antenna anyway the other part of the delivered power that is unbalancement power is dissipated...

Page 12: ...ailable for the remote control applications on the telemetry connector as voltage levels that are proportional to the value of the parameter under consideration Digital output signals related to alarms or warnings are also present on the connector together with the digital input like ON OFF switching or alarms reset The hybrid coupler includes an input for optional external 24 V dc power supply Th...

Page 13: ...r Connect the output connector of the combining section to the antenna feeder or to a dummy load with a power rating suitable for your application Link using a coaxial cable the BNC Alarms Interlock connector to the Interlock connector of the exciter Connect the Feed back connector to the EXT AGC input of the exciter if such a functionality is present described in the documentation of the transmit...

Page 14: ...using the switch on the front panel Otherwise the user will only be allowed to read the parameters but not to change any of them The management of the HC3 is performed by a generic software used in different classes of equipment produced by R V R Elettronica SpA like the HC combiners or the RF amplifiers PJ500M C and PJ1000M For this reason some options that are related to other kinds of devices a...

Page 15: ... Forward power and Reflected power The management software will remain indefinitely in this default screen until the user pushes the ESC button Pushing the ESC button the user will be presented with the menu selection screen from which the other screens can be accessed Pushing again the ESC button the software goes back to the default screen To enter into one of the submenus just select the corres...

Page 16: ...o hours while the machine is OFF the software enables the blowers for a while to dissipate the heat generated by the circuitry and to avoid possible malfunctions of the blowers due to long inactivity periods Switching ON again the hybrid coupler the interlock circuit is opened reenabling the power emission in the connected exciter the auxiliary mains plug supply is powered and the blowers are rest...

Page 17: ...N buttons to scroll 5 3 4 Threshold setting menu As described in the introduction the amplifier offers a maximum of four user settable alarms For each of them one of the working parameters is compared against a threshold value that can be be modified by the user The results of the comparisons are available on the telemetry connector or as dry contacts on the optional external telemetry board and c...

Page 18: ...f configuration for this menu In this example the thresholds of the warnings are PwrGd 1 2400W 80 X 3000W PwrGd2 1500W 50 X 3000W RflWar 210W 70 X 300W 5 3 5 Alarms menu This screen gives to the user information regarding the status of the protection system included in the hybrid coupler It is constituted by a certain number of lines each containing the name of a variable controlled by the system ...

Page 19: ...ess of I2 C communication is relevant when the coupler is connected with other RVR devices that use this protocol We raccomend not to change this parameter if not necessary The visualitation mode can be Digital the default mode described in chapter 5 3 or Analog In analog mode a little triangle indicates the reflected power level set in the threshold set menu under RflWar while the bar below shows...

Page 20: ...onnected to the foldback doesn t surpass its nominal value full scale When this happens the foldback voltage is rised proportionally to the amount the threshold is surpassed and a yellow LED is lit on the front panel signalling the intervention of the circuit In figure X represents one of the variables connected to the foldback X0 is the full scale of the variable VFB is the voltage present on the...

Page 21: ...ld be noted with Dis Disabled While the amplifier is temporarily shut off for an alarm the yellow WAIT LED is lit and the cause of the intervention of the protection system is written on the display When the protection intervenes for a parameter of cyclic kind a counter is incremented the value X in the alarm screen If the value of the counter reaches the maximum admitted value Y the amplifier is ...

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Page 23: ... hybrid coupler is in local control mode 6 FOLDBACK Yellow LED indicating the intervention of the foldback function automatic reduction of the output power 7 BRIGHTNESS Trimmer to regulate the brightness of the LCD display 8 ALARM RESET Button used to manually reset the protection system 9 LOC REM Switch to select the local or remote control modes 10 ESC Button to exit from a menu 11 ON OFF Mains ...

Page 24: ... 2 7 8 EIA Flange from the Power Amplifier B 10 INPUT 3 Power Combiner s Input 2 7 8 EIA Flange from the Power Amplifier C 11 24 V External 24 V dc power supply input for CPU backup power supply 12 VOLTAGE CHANGER A C LINE FUSE Fuse block and Line Voltage Selector Use a small screwdriver to change the fuse or line voltage Rotate the block and position it for desired voltage 13 MAINS VOLT A C Power...

Page 25: ...0 C Umidity 90 Maximum whithout condensation 7 2 Electrical Specifications A C Power Supply 117 230 V 50 60 Hz Cooling sustem forced ventilation Frequency Range 87 5 MHz 108 MHz Max Rating Power 3 6 KW Power Splitter Section Inp Impedance 50 Ohm Inp Connector N type connector Out Impedance 50 Ohm Out Connector N type coonnector Power Coupler Section Inp Impedance 50 Ohm Inp Connector EIA 7 8 Flang...

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Page 27: ...HC3 23 28 User Manual Rev 1 0L 16 05 01 8 Modules Identification 8 1 Upper view 1 Power Splitter Board 2 Transformer 3 CPU 4 Power Coupler Board 1 2 3 4 ...

Page 28: ...HC3 24 28 User Manual Rev 1 0L 16 05 01 8 2 Bottom view 5 Unbal Power Card 6 Voltage Changer 7 Blowers 8 Temperature Sensor 9 Remote Card 5 7 6 8 9 ...

Page 29: ...rcuit is realized with strip plus coaxial cables and three specific circuits can adjust equalize phases on the three outputs that are used to drive the amplifiers Three resistive termination placed near to the output serves to absorb any unbalanced powers in case of faulty or performance differences of some amplifier to prevent excessive power driving on the well functioning well loaded outputs Th...

Page 30: ...m working frequency on the exciter 4 Set the output power of the exciter so that the system output forward power is at 80 of the nominal value 5 Regulate all the variable capacitors to their middle position Figure 9 1 Figure 9 1 6 Adjust the variable capacitors 1 and 2 relative to the first amplifier output Figure 4 to maximize the power level measured by the coupler s instrument Figure 9 2 ...

Page 31: ...ses on the three input power ways that are combined to obtain the antenna output power Three resistive terminations placed on the main cooler serve to absorb any unbalanced powers in case of faulty or performance differences of some amplifier 8 4 Remote Card This Card mounted on the right side of the equipment in rear position allows to switch off the Auxiliary Out A C Line in case of any faulty o...

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Page 33: ... it is breakdown After changing the assembly connect the amplifier as shown in the figure below Switch ON the HC3 Temperature reading adjustment Measure the temperature of the cooling fin with a thermometer Enter on the P A menu Adjust the trimmer TR6 to read on the display the same temperature measured with the thermometer Mains reading adjustment Measure the main voltage with a multimeter Enter ...

Page 34: ...justment Apply an unbalanced load in series with a 50 Ohm load and apply in series a by pass wattmeter BIRD Increase slowly the exciter power to obtain a reflected power of 500W at 98MHz Adjust TR2 to read on the display the same value measured with the wattmeter VPA reading adjustment For the hybrid combiner this reading is disabled IPA measurement adjustment For the hybrid combiner this reading ...

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