User Manual - RVR Elettronica SpA Documentation Server
Contents
1. Neutral Somm Gy Phase S D6mm Phase R Gmm D 2 G Phase mm Gp The three phase wiring must have the following characteristics User Manual PIN1 of the main connector is directly connected to neutral wire PIN2 of the main connector is directly connected to R phase wire PIN3 of the main connector is directly connected to S phase wire PIN4 of the main connector is directly connected to T phase wire PIN5 of the main connector is directly connected to ground Rev 1 1 29 01 09 29 34 DIVPA R V R ELETTRONICA 8 1 3 Voltage Change LE WARNING the single phase power supply may be used only with 208 230 Volts Proceed as follows to change voltage inside the machine e Make the JP3 connection on the Rectifier card between PIN 1 and 2 to select 230 Volts or between PIN 2 and 3 for 115 Volts t TAGE SELECT 1e 330 450 Figure 8 1 Connection for the selection of 115 or 208 230 Volts e In order to select the 230 Volts on the connector inside the PS section near the transformer make the connection between PIN 3 and 4 and PIN 6 and 7 or between PIN 2 and 3 and PIN 5 and 6 for 115 Volts 30 34 Rev 1 1 29 01 09 User Manu2. or 115 400 10 15 5 230 10 1596 or 115 400 10 15 C DC Supply Voltage CPU backup Input Voltage VDE a a O i O a Active Power Consumption POMO mooo 2611 GphwithN 220V measured on threephases 400V e e a E a O O Ooo O O SS RE module efficiency SSCS Sd o o oa OoOo O O Oo oo a O O o LY A SSCS OSC A mis T 400 input device sit SSCS SS TT E T NN Display A A AN VETO A ETA SCCSSOSOCSCSCSCSCSSSCSCSCSCSC CS d DOT e A E A A S Overall Phisical Dimensions Front panelheight_ e RO ooo o O overall depth mm 185 S o Ambient working temperature YAOI operational 10 id Ct SSCS Spurious amp harmonic suppression dBc_ according to output iter _____Inaccording to output iter Nets or exceeds al FOC and COR rues A e e T DOS SN E A A A A Diverpowerforratedoupat fw E S Wax input power before protein WwW AAA Rue fl ef pe fd Impedance Om ET E o O Comectr A ET EST o O Ro Ll Output Leve dB __________approx 60 approx60 Referred to the RF output PL Interlock Output meter 5232 Serialintertace___ Connector O O Factory reserved For firmware program configuration ems meet O BO Factory reserved for coupling purposes os et O o r Telemetry Interface O Connector e O a S485 Serial interface Connector OSS UUO O COCO OO Remote interface Connector O IO power supply Connector _ VDE ar ecto mains su
3. Connect the multipole socket to the power supply cable as described below and refer to figure 5 2 Three phase power supply e G Ground e 1 Neutral e 2 R Phase e 3 S Phase e 4 T Phase e 11 12 Not connected User Manual Rev 1 1 29 01 09 7 134 DTVPA 9 2 8 34 ELETTRONICA Figure 5 2 View of the mains multipole socket terminals side internal Single phase power supply e G Ground 1 Not connected 2 Phase e 3 Neutral 4 Not connected 1 1 12 Not connected Danger avoid the risk of damaging the machine by grounding it correctly As such connect the ground conductor of the power supply cable to the specific terminal in the multipole socket and check the efficiency of your own grounding system Operation After having plugged in the power supply socket at the back of the machine power on the amplifier via the switchboard The ON LEDs on both modules will turn on and the forced cooling fans will start running The LCD shows the first introductory screenful and then switches to a screenful that indicates the forward and reflected power values Turn on the exciter at lowest power and wait until it locks to the work frequency Once locked increase power gradually and check the amplifier s display Increase the exciter s power until the amplifier s output attains the desired value keep in mind that due to the measurement digitalization effect it might not be possible to obtain a reading of ex
4. User Manual OON OAR WDNDM NC TX_D RX_D Internally connected with 6 GND Internally connected with 4 Internally connected with 8 Internally connected with 7 NC Rev 1 1 29 01 09 DTVPA Disabled 3 9V x 50V GND 4 3V x 150W GND 3 9V x 80 3 9V x 110A 4 3V x 2500W 4 3V x 10W GND 19 34 DTVPA 6 3 3 12 Connector Type DB9 Female OONDOABRWDNDN gt 6 3 4 Com Bus 20 34 NC SDA Serial Data SCL Serial Clock GND GND Type DB15 male Le 1 Q GND 485 485 GND ON OFF C INP PWR ST BY IRQ GND PWR REG GND NC NC NC NC RaW Ra ELETTRONICA Rev 1 1 29 01 09 User Manual RaW Ra ELETTRONICA 6 3 5 Interconnection PS RF Type DB37 female e a User Manual GND Internally connected with 12 14 15 23 25 26 28 31 33 V TOT R PWR TEMP PS OFF PS REG PWR REG ON OFF IRQ CLIX RESET AL GND Internally connected with 1 14 15 23 25 26 28 31 33 485 GND Internally connected with 1 12 15 23 25 26 28 31 33 GND Internally connected with 1 12 14 23 25 26 28 31 33 NC AC3 Internally connected with 35 NC TOT AC4 Internally connected with 37 F PWR INP PWR GND Internally connected with 1 12 14 15 25 26 28 31 33 PS STATUS GND Internally connected with 1 12 14 15 23 26 28 31 33 GND Internally connected with 1 12 14 15 23 25 28 31 33 ST BY GND Internally connecte
5. Manual De 5 3 3 RaW Ra ELETTRONICA DTVPA Power Menu Pwr This screen made up of several lines that may be scrolled through using the UP and DOWN keys displays all the measurements associated with the behaviour of the amplifier s power section e Forward Power Fwd Pwr e Reflected Power Rfl Pwr e SWR Standing Wave Ratio e Input Power Inp Pwr e Internal SWR Int SWR Depending on the machine s configuration a few measurements might be disabled The figure below shows the complete aspect of this screen only two lines can be seen at a time use the UP and DOWN keys to scroll through it Fwd Pwr 2 294 Kll kfl Pur 1 4 Wl WF OF f Int Pur 21 2 W Int SWE Off ll Power Amplifier Menu P A This screen consisting of several lines that may be scrolled through by using the UP and DOWN keys displays all the measurements associated with the RF amplifier of the equipment e Voltage VPA e Current IPA e Efficiency e Temperature e Power Supply Voltage Mains percentage variation as compared to the nominal voltage The figure below shows the complete aspect of this screenful only two lines can be seen at a time use the UP and DOWN keys to scroll through it User Manual Rev 1 1 29 01 09 11 34 DTVPA 9 3 4 12 34 ELETTRONICA LUPA 49 0 IFH ts Eff Go 2 Teme is Mains 1 A on E Warning threshold setting menu As mentioned in the introduction the amplifier offers
6. O a o voe Open Collector _ o eso o ON Open Collet O o seso o r S Open Collector OO O TN o TI S C opncoector O Pame O OO oe S Open Collector O ooo o S o w S C oncor o oo o o oa O o a Y O IN TT A A A A A INICIAN A A S VISIT AN A AN NN O O O O ee Cooling type NOS NENE Forced wih intemal fans Forced with internal fans Peed Potenza dissipata in calor 1990 1990 NA TN A A ee EEN Safety E ENGO215 1989 ENGO215 1989 IN Ho A EN 301 489 11V1 2 1 EN 301 489 11 V1 2 1 D i Spectrum Optimization BC EEN AO EFE On Mains Po Onservices services Phisical Dimensions Telemetry connector inputs Telemetry connector outputs User Manual Rev 1 1 29 01 09 25 34 DTVPA RaW Ra ELETTRONICA 8 Operating theory The figure shows the PS and the RF part of amplifier seen from above The various cards are described in this chapter e Top View of PS secition with PFC ta un E a PAS AAA SE lt r bz 7 S PA Ti Mg i i e a ROWERSSUPPLYZUN HOOD X Bes Y e G ON WAIT FAULT LOCAL FOLOBACK 1 E a Ah ity E J E af ALARMS i 63060 O REM ji i i 6 PS ALARMS See se gt o D Gc O OLE To os ted l 1 Interface Power Supply Board 2 Varistors Board 3 PFC Board 4 Power Supply Board 5 CPU Board Protection Interface Board 6 LEDs Board 26 34 Rev 1 1 29 01 0
7. amplifier is made up of two interconnected modules pre arranged for assembly in a 19 rack The two modules are as follows e Control and power supply module called PS e Amplifier module called RF ret rae i i MUOIOGEZGAMANO DORDOGACUADDDO os BODAS CUANDO RF Module A gt PUMTUUUTNINE SONORAS gt pin aa n Sma ee Ma PS Module Figure 4 1 DTVPA modules Subdividing it into two modules not only makes it easier to handle and assemble the amplifier but also permits to perform maintenance to the two parts separately The amplifier is controlled by a microprocessor based system that includes a LCD which carries out the following functions e Measuring and displaying amplifier work parameters e Activating and deactivating power delivery e Protecting the amplifier as far as potentially harmful situations are concerned such as excess supplied power SWR excessive pilot power or temperature e Detecting the warning thresholds set by the user e g power delivered below a specific threshold which are made available to the user via the telemetry connector e Communicating with external devices The amplifier s control software is based on a menu system through which the user may navigate using the following four buttons ESC ed ENTER A fifth button is provided for resetting any triggered alarms User Manual Rev 1 1 29 01 09 3 34 DTVPA The PS module of this amplifier houses three rectifier power
8. device shall be familiar with theory and practice of first aid 3 1 Treatment of electrical shocks 3 1 1 If the victim is not responsive Follow the A B C s of basic life support Place victim flat on his backon a hard surface Open airway lift up neck push forehead back Figure 1 Figure 1 e clear out mouth if necessary and observe for breathing e 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 2 e Check carotid pulse Figure 3 if pulse is absent begin artificial circulation Figure 4 depressing sternum Figure 5 Figure 3 Figure 4 Rev 1 1 29 01 09 RaW Ra ELETTRONICA Figure 5 In case of only one rescuer 15 compressions alternated to two breaths If there are two rescuers the rythm shall be of one brath each 5 compressions e Do not interrupt the rythm of compressions when the second person is giving breath Call for medical assistance as soon as possible 3 1 2 If victim is responsive Keep them warm Keep them as quiet as possible e Loosen their clothing a reclining position is recommended Call for medical help as soon as possible 3 2 Treatment of electrical Burns 3 2 1 Extensive burned and broken skin o Cover
9. of this product must obtain from the Authority for spectrum management in the state of designated user the appropriate authorization to use the radio spectrum before putting in exercise this equipment The working frequency the transmitter power let alone other specifications of the transmission system are subject to limitation and definited in the authorization obtained 2 Warranty R V R Electronics S P A guarantees absence of manufacturing defect and the good operation for the products within the provided terms and conditions Please read the terms carefully because the purchase of the product or acceptance of order confirmation constitutes acceptance of the terms and conditions For the last legal terms and conditions please visit our web site WWW RVR IT wich may also be changed removed or updated for any reason without prior notice Warranty will be void in cases of opened products physical damage misuse modification repair by unauthorised persons carelessness and using the product for other purpose than its intended use In case of defect proceed like described in the following 1 Contact the dealer or distributor where you purchased the unit Describe the problem and so that a possible easy solution can be detected Dealers and Distributors are supplied with all the information about problems that may occur and usually they can repair the unit quicker than what the manufacturer could do Very often instal
10. remove completely voltages inside the machine It is necessary to have disconnected the feeding cord or to have switched off the control panel before to execute technical operations making sure himself that the safety connection to ground is connected The technical interventions that expect the equipment inspection with circuits under voltage must be carry out from trained and qualified staff in presence of a second trained person that it is ready to intervene removing voltage in case of need R V R Elettronica SpA doesn t assume responsibility for injury or damage resulting from improper procedures or practices by untrained unqualified personnel in the handling of this unit A WARNING The equipment is not water resistant and an infiltration could seriously compromise its correct operation In order to prevent fires or electric shocks do not expose the equipment to rain infiltrations or humidity Please observe all local codes and fire protection standards during installation and use of this unit A WARNING The equipment has to its inside exposed parts to risk of electric shock always disconnect power before opening covers or removing any part of this unit Fissures and holes are supplied for the ventilation in order to assure a reliable efficacy of the product that for protect itself from excessive heating these fissures do not have to be obstructed or to be covered The fissures doesn t be obstructed inno case The pr
11. 4 34 Interconnection PS RF Type DB37 female O a 5 GND internally connected with 12 14 15 23 25 26 28 31 33 V TOT R PWR TEMP PS OFF PS REG PWR REG ON OFF IRQ CLIX RESET AL GND internally connected with 1 14 15 23 25 26 28 31 33 485 GND internally connected with 1 12 15 23 25 26 28 31 33 GND internally connected with 1 12 14 23 25 26 28 31 33 NC AC3 internally connected with 35 NC TOT AC4 internally connected with 37 F PWR INP PWR GND internally connected with 1 12 14 15 25 26 28 31 33 PS STATUS GND internally connected with 1 12 14 15 23 26 28 31 33 GND internally connected with 1 12 14 15 23 25 28 31 33 ST BY GND internally connected with 1 12 14 15 23 25 26 31 33 FAULT FUSE PS GND internally connected with 1 12 14 15 23 25 26 28 33 485 GND internally connected with 1 12 14 15 23 25 26 28 31 NC AC3 internally connected with 17 NC RaW Ra ELETTRONICA AC4 internally connected with Internamente connesso con 19 Rev 1 1 29 01 09 User Manual Technical Specifications Frequency range 180 210 A a Rated output power _w_ 800 potenza erogata in tecnolog a di modulazione 8VSB 1100 potenza erogata in tecnolog a d modulazione svs O OOOO input power for rated output SCS SW 12 AAA AS Power supply type O ______mronophase biphase ____monophase biphase and threephase____ ____Intemmalwirng O 230 110 15
12. 9 User Manual ca ELETTRONICA e Top view of RF section DTVPA 1 Input Power Measure 1 Driver Board Driver Bias Board 2 Amplifier Modules 3 Fuses Board 4 Bias Boards CPU Board 5 LEDs Boards User Manual Rev 1 1 29 01 09 27 34 DTVPA R 8 1 Power Supply Change To use the amplifier with different types of power supply you should connect the mains power supply socket as outlined in chapter 5 Also modify the connections inside as explained below 8 1 1 Single Phase Wiring Monophase Configuration Ground D6nmm Neutral D 6nm To Unk through cables Phase D 6nm OF D 6nmm e _ _om_ ___ LS WARNING the single phase power supply may be used only with 208 230 Volts The single phase wiring must have the following characteristics e PIN1 of the main connector is directly connected to neutral wire e PIN2 of the main connector is directly connected to phase wire and internally connected to PIN3 e PIN3 of the main connector is internally connected via cable to the PIN4 aand PIN2 e PIN4 of the main connector is internally connected via cable to the PINS e PIN5 of the main connector is directly connected to ground 28 34 Rev 1 1 29 01 09 User Manual RaW Ra ELETTRONICA DTVPA 8 1 2 Three Phase Wiring Threephase Conriguration Ground gemm
13. A Al Y PH i 11 12 15 1 MAINS FUSE Protection fuses of the power supplies 1 2 and 3 2 MAINS CONNECTOR Plug for mains power supply 3 AIR FLOW Grill for the ventilation flow passage 4 RS232 DB9 connector to interface with external devices or factory programming 5 1 C BUS DB9 connector for 1 C bus networking 6 INTERCONNECTION PS RF DB37 connector for interfacement with RF part 7 COM BUS DB15 connector for interfacement with other equipment 8 TELEMETRY DB25 telemetry connector 9 AUX OUT FUSE Protection fuse of the auxiliary plug 10 SERVICE FUSE Protection fuse for the service section 11 INTERLOCK BNC connectors to inhibit an external device as an exciter In case of fault the inner connector is shorted to ground 12 DC OUTPUT Presa per l alimentazione della parte RF 13 AUX OUT AC LINE Auxiliary VDE plug to supply external devices typically an exciter 18 34 Rev 1 1 29 01 09 User Manual RaW Ra ELETTRONICA 6 3 Connector Description 6 3 1 Telemetry Connector Type DB25 Female a 5 6 3 2 RS 232 Internal SWR RF power amplifier voltage GND Reflected Power Interlock Set 4 GND On Command Set 1 10 WAIT 11 Reset alarm 12 OFF 13 Interlock 14 Temperature 15 RF power amplifier current 16 Forward Power 17 FAULT 18 Set3 19 Input power 20 OFF Command 00 Y OAR WDNDM gt 21 GND 22 Set2 23 LOC 24 Vcc 25 ON Type DB9 female
14. DTUPAsY gt Sil 2 465 Ad 1 817 User Manual Rev 1 1 29 01 09 9 34 DTVPA 5 3 1 10 34 RaW Ra ELETTRONICA A few seconds later the main screenful is displayed indicating the forward and reflected power values Fwd Pur 1 34 Fl EFI Pur 1 4 W Press the ESC key to view the selection screenful from which to access all the menus Fre Pur F A Set Alm Mix Wre To access one of the submenus select its name which is underlined by a blinking cursor using the RIGHT or LEFT keys and then press the ENTER key Take note that certain parameters which are measured and shown to the user might not be available in a few cases This occurs when for physical reasons the measured vales are not significant for control software internal use When the value of a parameter is not available for the aforesaid reason symbol appears on the display in lieu of the value Operating Menu Fnc Uri OFF Turn the power amplifier ON or OFF via this menu When the amplifier is turned OFF the internal conductor of the INTERLOCK connector is set to ground so as to force the connected exciter to a stand by condition this takes place only if the exciter features the interlock option like those produced by RVR and if the associated connector is connected to the amplifier When the amplifier is turned OFF the software program waits a few seconds for the machine to cool down and then the fans turn OFF Rev 1 1 29 01 09 User
15. F module A delivered power automatic back off mechanism is envisaged for excess temperature SWR or current absorbed by a MOSFET module The yellow FOLDBACK LED indicates this case A FAULT signal is triggered red LED when a fault occurs that stops the power amplifier This situation is signaled to the machine s main microcontroller as well and triggers a lock situation FAULT The LED FUSE BLOWN indicates that one of the fuses that protects the power supply of the MOSFET modules has blown In this case the machine keeps running as usual obviously without the contribution of the module even if it is advisable to single out and clear the cause for the malfunction and replace the fuse as soon as possible to fully restore the machine s working efficiency Note The RESET button on PS module resets the auxiliary protections of the RF NB module too User Manual Rev 1 1 29 01 09 15 34 DTVPA RW Ro ELETTRONICA 5 4 2 Power Supply Units Three power supply units which work in parallel mode power the machine Should one of the power supply units malfunction the machine automatically reduces the delivered power down to a value compatible with the current deliverable from the surviving power supply This situation is indicated by the P S ALARMS LEDs on the front panel of the PS module 16 34 Rev 1 1 29 01 09 User Manual ELETTRONICA DTVPA 6 External Description This chapter describes the elements presen
16. Manufactured by am LAN A EO ELETTRONICA Italy File Name Version Date 03 DTVPA_ING_1 0 indd 1 1 29 01 2009 Revision History Date 30 10 2008 29 01 2009 J H Berti DTVPA1K1UP1 integration J H Berti DTVPA User Manual Version 1 1 Copyright 2008 2009 R V R Elettronica SpA Via del Fonditore 2 2c 40138 Bologna ltalia Telephone 39 051 6010506 Fax 39 051 6011104 Email info rvr it Web www rvr it All rights reserved Printed 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 informa tion storage and retrieval system without written permission of the copyright owner DTVPA RaW Ra ELETTRONICA Table of Contents 1 Preliminary Instructions 1 2 Warranty 1 3 First Aid 2 3 1 Treatment of electrical shocks 2 3 2 Treatment of electrical Burns 2 4 General Description 3 4 1 Make up 3 5 Quick installation and operating reference 5 5 1 Preparation 5 5 2 Operation 8 5 3 Software 9 5 4 Protection System 14 6 External Description 17 6 1 PS Module Frontal Panel 17 6 2 PS module Rear Panel 18 6 3 Connector Description 19 6 4 RF Module Frontal Panel 22 6 5 RF module Rear Panel 23 7 Technical Specifications 25 8 Operating Theory 26 8 1 Power Supply Change 29 8 2 PS Part 31 8 3 RF Part 33 User Manual Rev 1 1 26 01 09 DT
17. VPA Rev 1 1 26 01 09 RaW Ra ELETTRONICA This page was intentionally left blank User Manual RaW Ra ELETTRONICA DTVPA IMPORTANT The symbol of lightning inside a triangle placed on the product evidences the operations for which is necessary gave it full attention to avoid risk of electric shocks The symbol of exclamation mark inside a triangle placed on the product informs the user about the presence of instructions inside the manual that accompanies the equipment im portant for the efficacy and the maintenance repairs y 1 Preliminary Instructions e General foreword The equipment in object is to considering for uses installation and maintenance from trained or qualified staff they conscious of the risks connected to operate on electronic and electrical circuits electrical The trained definition means staff with technical knowledge about the use of the equipment and with responsibility regarding the own safety and the other not qualified staff safety place under his directed surveillance in case of works on the equipment The qualified definition means staff with instruction and experience about the use of the equipment and with responsibility regarding the own safety and the other not qualified staff safety place under his directed surveillance in case of works on the equipment A WARNING The machine can be equipped with an ON OFF switch which could not
18. actly full scale but a lightly higher or lower value which is perfectly normal Now all of the machine s operating parameters may be checked via the software control system Rev 1 1 29 01 09 User Manual DTVPA RaW Ra ELETTRONICA As a rule the machine does not need to be manned to work If any alarm conditions occur they will be managed automatically by the protection system or notified to the user by means of LEDs on the panel and messages on the display 5 3 Software This chapter describes the ways in which the microprocessor controls the amplifier and how the user may interact with the software The figure in the follow shows the overall software user interface diagram Accensione PTUPA uz p Fwd Pur 1 24 El SW 2 85 Hl 1 61 kfl Pur 1 4 WW ESC Fie Pwr P A Set Alm Mix Ure Menu di Selezione ENTER OF RA Ft Menu Funzione Fwd Pur 1 94 El kfl Pur 1 4 Wy Menu Potenza UFA IFA A Menu P A PurGdl gt 6H 4 4 Furd gt SH 4 Be Menu Impostazioni Fwd Pur B 33 kfl Pur A 2582 Menu Allarmi IZC Addr 1 DisPlay Di Menu Varie H W 1 81 S 2 AS Menu Versioni Figure Flow diagram of the software Note the user may issue commands to the equipment only when in LOCAL mode by means of the selector Otherwise the user may only read the parameters and not change them When turned on the LCD shows the introductory screenful with the equipment s software and hardware versions
19. al DTVPA ET E 7 y i g a g a 4a 3 g oO OD 0 0 Q 0 0 O AAD CA AY y Figure 8 2 Connection for the selection of 115V or 208 230V three fase with neutral wire 8 2 PS Part 8 2 1 Surge Protection This card s main function is to avoid any damage to the internal cards by blocking the contact before current reaches the equipment in case overvoltages occur 8 2 2 Power Supply The three power supply modules are located in the middle part of the amplifier The power supply units are mounted on a cooling fin to cool the amplifier by forced ventilation The amplifier houses a transformer the input voltage of which may be selected between 115 and 230 Volts The transformer is fitted with three secondary wires A 18 0 18 V B 0 17 V C 0 11 5 V that supply power to the cards inside the equipment 8 2 3 PFC Unit or Rectifier The PFC unit is a rectifier that modulates the current absorbed so that the wave User Manual Rev 1 1 29 01 09 31 34 DTVPA RW Ro ELETTRONICA shape is the most possible sinusoidal obtaining a factor of power of 99 The PFC can work with input supply voltages from 90 V to 250 V Arectified voltage of 350 V is present on the output In place of PFC units can be installed traditional rectifiers units without power factor corrector Its task is to rectify and s
20. area with clean sheet or cloth Do not break blisters remove tissue remove adhered particles of clothing or apply any salve or ointment o Treat victim for shock as required e Arrange transportation to a hospital as quickly as possible If arms or legs are affected keep them elevated 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 2 2 Less severe burns e Apply cool not ice cold compresses using the cleansed available cloth article e Do not break blisters remove tissue remove adhered particles of clothing or apply salve or ointment e Apply clean dry dressing if necessary Treat victim for shock as required e Arrange transportation to a hospital as quickly as possible e If arms or legs are affected keep them elevated User Manual RaW Ra DTVPA ELETTRONICA 4 General Description The DTVPA is an amplifier for TV broadcasting They are a fully solid state apparatus of modern design that use MOSFET as active components in the amplifying modules This chapter briefly describes the machine s main features 4 1 Make Up The DTVPA
21. d with 1 12 14 15 23 25 26 31 33 FAULT FUSE PS GND Internally connected with 1 12 14 15 23 25 26 28 33 485 GND Internally connected with 1 12 14 15 23 25 26 28 31 NC AC3 Internally connected with 17 NC AC4 Internally connected with 19 Rev 1 1 29 01 09 DTVPA 21 34 DIVPA 6 4 RF Module Frontal Panel 22 34 1 2 3 4 5 6 7 LL AIR FLOW FAULT FUSE BLOWN RF PWR ADJ ON FOLDBACK RF TEST Grill for the ventilation flow passage Red LED that indicates a fault that cannot be reverted D ELETTRONICA automatically Red LED that indicates the presence of one or more broken fuses Not used Green LED indicating that the amplifier is switched on Yellow LED indicating that the foldback function is active automatic reduction of the distributed power BNC connector for RF monitor output The output level is referred to the power ouput in 180 215 MHz range Rev 1 1 29 01 09 User Manual AAR DIVPA ELETTRONICA 6 5 RF module Rear Panel 1 INTERCONNECTION PS RF DB37 connector for interfacement with PS part La 2 DB9 connector reserved for future uses 3 RF IN RF input connector N type 4 RF IN TEST Not used 5 PLUG Plug for the supply of 50V e incoming from module PS 6 AIR FLOW Grill for the ventilation flow passage 7 RF OUT RF output connector 7 8 ElA flange User Manual Rev 1 1 29 01 09 23 34 DTVPA 6 5 1 2
22. een at a time use the UP and DOWN keys to scroll through it Fuld Pu B 93 EFI Pur amp 8 Ce Ine Pure B L WLP aA Dis I P H H a Teme Wait Int SWE Dis Mains Wait SF Dis Eft Dis The task of this menu is essentially to help the technician in identifying the possible causes of any malfunction 5 3 6 Miscellaneous Menu In this menu the user may e set the address in the serial bus connection type 1 C e set the main menu display mode I2C Ader DisPlay 1 Did The network address I C is very important when the amplifier is connected in an RVR transmission system that envisages the use of this protocol Do not change it for any reason whatsoever User Manual Rev 1 1 29 01 09 13 34 DIVPA R V R ELETTRONICA The main menu may be displayed either in Digital mode this is the standard mode or Analog mode EFI Pur 1 4 LIL In the analog display mode a small triangle indicates the reflected power level set in the Alarm Threshold Setting Menu RflWar whereas the bar at the bottom shows the instant reflected power level This type of display might be useful when a device to be tuned is connected to the amplifier s output such as a cavity 5 3 7 Version Menu This screenful shows the hardware version H V and the software version S V of the equipment Haw 1 61 sal SHS 5 4 Protection System The protection system implemented inside the amplifier is based on two types of interventi
23. en collector digital outputs and 4 digital inputs It also manages the DB9 signals associated with the RS232 connector for interfacing with other equipment and for 32 34 Rev 1 1 29 01 09 User Manual DTVPA the default programming functions and the DB9 connector for communications in 12C standard RaW Ra ELETTRONICA 8 3 RF Part 8 3 1 RF Power Amplifier The RF power amplifying section consists in 8 power modules coupled by a Wilkinson splitter and combiner and implemented in strip line technology and hybrid 3dB 90 The RF modules the splitter and the combiner are housed inside the top part of the equipment The whole RF section is mounted on the fin that cools the equipment by means of forced ventilation Each RF module supplies 125 watts with 4 to 6 pilot power watts and is powered by the switching PSU The modules operating parameters in standby are as follows VDC 50V Vgs 2 9 3 V Idq 1 4A The active device used in the amplifier modules is a SD2942 Mosfet 8 3 2 Wilkinson Splitter and Combiner Both the splitter and the combiner are made in strip line technology and hybrid 3dB 90 The splitter is used for splitting power arriving from the exciter and supplying one part to each of the RF modules The combiner is then used to combine power output from each module to obtain the amplifier s total power The two cards ensure equal phases among the powers generated by the RF modules in two group
24. ic type parameter a counter begins counting up the X value in the alarm menu If the counter reaches the max admissible cycle value Y the amplifier turns OFF definitely and the red FAULT LED lights up on the front panel The user may press the ALARMS RESET key to interact with the protection system The effect differs depending on the machine s status when the key is pressed e If the equipment is off waiting for the cycle time to be reached or if it is definitively off in FAULT state press the ALARMS RESET button to immediately turn the amplifier ON and reset the alarm counters e Slfthe system is transmitting but alarms were triggered earlier causing certain counters not to be at 0 pressing the key will have no effect unless it is pressed while inside the alarm menu As such the system will be sure that the user takes note of the alarms that were triggered before resetting them The system resets the alarm counters automatically after thirty minutes of operation i e the user need not do anything if the amplifier does not trigger any alarms or after the machine the machine has been turned OFF and then back ON 5 4 1 RF module auxiliary protection The amplifier s RF module contains a second microcontroller that manages local measurements and carries out auxiliary protection functions of the machine together with the main protection system This microcontroller card indicates its interventions via the LEDs of the R
25. ine s general operating status It also has a trimmer for adjusting power AGC control Use a small screwdriver to change the delivered power Driver Board The driver board contains an RF amplifier with only one stage that with a power of about 1 2W can supply an output power of approximately 60W suitable to pilot DTVPA with a total gain of approximately 28dB The active device utilized in the amplifier modules is a Mosfet SD2942 and uses for the feeding the same voltage of 50VDC used from the eight RF amplifiers modules On the output stage of this board is present a directional coupler that measure the reflected and forward power the latest comes acquired from the control software that represents it legible like input power Rev 1 1 29 01 09 User Manual
26. ingle phase 230 V 10 15 three phase 208 V 15 10 three phase 230 V 10 15 three phase 400 V 10 15 Suggestion Specify the type of power supply at order placement the machine will be delivered to you configured according to your requirements Check if need be that the fuses are installed in good working order and accessible on the back panel of the PS module The required fuse values are as follows 208 230V 208 230V 400V single phase three phase three phase AUX OUT FUSE 1x F6 3T type 1x F6 3T type 1x F6 3T type chap 6 2 position 9 5x2 5x2 5x20 x2 2 0 0 SERVICE FUSE 1x F6 3T type 1x F6 3T type 1x F6 3T type chap 6 2 position 10 5x20 5x20 5x20 MAINS FUSE 3x F25T type 3x F20T type 3x F16T type chap 6 2 position 1 10x38 10x38 10x38 Install the amplifier in a standard rack for 19 modules Assemble the modules by inserting them one on top of the other Make the connections between the PS module and the RF module using the cables supplied with the machine User Manual Rev 1 1 29 01 09 5 34 DTVPA Data connection by means of cable with DB37 connectors PS RF Interconnection Ground connection between each module chassis THREE PHL 400V 16A 230V 20A MAINS FUSES Power supply connection by means of cable coming out of the PS mod
27. ling errors are discovered by dealers 2 Ifyour dealer cannot help you contact R V R Elettronica and explain the problem If it is decided to return the unit to the factory R V R Elettronica will mail you a regular authorization with all the necessary instructions to send back the goods 3 When you receive the authorization you can return the unit Pack it carefully for the shipment preferably using the original packing and seal the package perfectly The customer always assumes the risks of loss i e User Manual Rev 1 1 29 01 09 1 34 2 34 DTVPA V R Is never responsible for damage or loss unt the package reaches R V R premises For this reason we suggest you to insure the goods for the whole value Shipment must be effected C I F PREPAID to the address specified by R V R s service manager on the authorization L gt DO NOT RETURN UNITS WITHOUT OUR AUTHORIZATION AS THEY WILL BE REFUSED 4 Be sure to enclose a written technical report where mention all the problems found and a copy of your original invoice establishing the starting date of the warranty Replacement and warranty parts may be ordered 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 3 First Aid The personnel employed in the installation use and maintenance of the
28. oduct must not be incorporated in a rack unless it is supplied with a suitable ventilation or that the manufacturer s instructions are been followed A WIRING This equipment can irradiate radio frequency energyand if it s not installed following the instructions contained in the manual and local regulations it could generate interferences in radio communications A WIRING This device has a connection to ground on the power cord and on the chassis Check that they are correctly connected Operate with this device in a residential ambient can cause radio disturbs in this case it can be demanded to the user to take adequate measures Specifications and informations contained in this manual are furnished for information only and are subject to change at any time without notice and should not be construed as acommitment by R V R Elettronica SpA The R V R Elettronica SpA assumes no responsability or liability for any errors or inaccuracies that may appear in this manual including the products and software described in it and it reserves the right to modify the design and or the technical specifications of the product and this manual without notice e Warning regarding the use designated and the use limitations of the product This product is an transmitter radio indicated for the audio broadcasting service in frequency modulation It uses working frequencies that are not harmonized in the states of designated user The user
29. on The first reaction is called Foldback and consists in decreasing the voltage in the power amplifier when the forward or reflected power exceeds the proportional limit voltage value As such the amplifier s gain is reduced and the overall result is an action that opposes the increase of the forward or reflected power The yellow LED on the front panel indicates the tripping of the foldback circuit Note in case the modulator has an adaptive precorrector then it may be functioning in Foldback Otherwise for the laws in force this feature is not permitted The second type of reaction consists in turning OFF the equipment s amplifying section when a specific variable exceeds a set value Depending on the type of event occurred and after the amplifier has been turned OFF it will be reactivated after a set length of time or only after the sharing which caused the locking has been cleared In the alarm menu the first type of configuration is indicated by X Y whereas the second one is indicated by Wait The third possibility is that the system does not trigger the protection conforming to a specific parameter this is indicated by Dis Disabled 14 34 Rev 1 1 29 01 09 User Manual RaW Ra DTVPA ELETTRONICA While the amplifier is OFF temporarily owing to an alarm the yellow WAIT LED lights up and the reason the protection was triggered is shown on the display When the protection system trips due to a cycl
30. pply O O AC Supply Voltage 230 10 15 or 115 400 10 15 230 10 15 or 115 400 10 15 monophase Threephases Y AC Apparent Power Consumption About 3500 2720 3ph with N 220V measured on threephases 400V AC Power Input Active Power Consumption About 3600 2611 3ph with N 220V measured on threephases 400V PowerFactor PB 0 96 3ph with N 220V measured on threephases 400V o a IME PAZ ME CK 472 AAA DC Supply Voltage 2 O A died DC Supply Voltage oe PC Current mabe P 3 External fuses F16T 10x38 Threephases 400V 3 External fuses F16T 10x38 Threephases 400V 3 External fuses F20T 10x38 Threephases 230V 3 External fuses F20T 10x38 Threephases 230V 3 External fuses F25T 10x38 Monophase 230V 3 External fuses F25T 10x38 Monophase 230V o TExtemalfuseF63T5x20 ExternalfuseF6 3T5x20 J ss OnAUXPowersupply TfxtemalfuseF63T5x20 1fxtemalfuseF63T5x20 gt O e rr ___On fans Supply PPT internalfuseF10T 5x20 1 Internal fuse F 12 5T5x20 0 PO Front panel height mm P88 Overalldepth mm PS Chassisdepth mm PSO SO Po Wein Pg ot tout PS RF internal Driver IS 7 AE A DN EN MEN DIN IS AO IT A Nid IN TN AO A TA A TI Pulse ames O mes A DN TIEN AN A TI ATA EE VETE Analogical level __ REF er OR e A Analogical level __ e RO a RO led Analogical level __ tae O pt er S vS Analogical evel ARO e Analogical level __ APA OC ET T Analogical level __ o O
31. s of 4 4 One power resistance is used for dissipating the offset power that might be present in case a module breaks down 8 3 3 Bias Board The task of this card is to check and to intervene the bias voltage of the Mosfets in the RF amplification section This card also supplies the following measurements current and voltage of each module total current and average voltage User Manual Rev 1 1 29 01 09 33 34 DTVPA 8 3 4 8 3 5 8 3 6 8 3 7 34 34 RaW Ra ELETTRONICA The bias card is also fitted with the temperature sensor which is monitored by the software Directional Coupler The task of these two cards that seem identical is to supply the power measurement They are installed on the input RF connector on the inside of the machine One card supplies the amplifier s forward power whereas the other one supplies the reflected power Control Board The control board acts as an auxiliary card for the PROTF card in the PS section should the latter fail to trip due to a malfunction It implements all the functions associated with measurements protection control and communications and is even capable of detecting the individual voltages or currents inside the machine in addition to the overall ones If pre arranged this Board can carry the signals to the DB9 connector located on the machine s back panel in RS485 standard LEDs Board This card is fitted with 4 warning LEDs that indicate the mach
32. supply switching units that normally work in parallel mode and that provide a fair degree of redundancy to the machine Even if one of the power supply modules breaks down the amplifier will keep working at reduced power A schematic view of the operating theory of RF path is shown in the figure RF PATH ON RF MODULE RF OUTPUT Q M In RF TEST UNIT 6 RF POWER RF POWER gt POWER UNIT 4 UNIT 8 RF DRIVER i i Co RF INPUT Figure 4 2 theory of operation 4 34 Rev 1 1 29 01 09 User Manual RaW Ra ELETTRONICA O 5 1 DTVPA Quick installation and operating reference The scope of this chapter is to summarize the procedures for installing the machine If any point is not fully comprehensible such as how to operate the machine the first time it is advisable to read the entire manual very carefully In this description it is assumed that the amplifier is not supplied pre installed in a rack inside a transmission system In this case most of the operations outlined herein for instance the wiring ones are obviously not necessary Preparation Unpack the amplifier and firstly check that it has not been damaged in any way during transport Make sure that all the connectors and controls on the front and back panels are in good order Check the default setting of the type of power supply for this machine on the back of the PS module which may be single phase 208 V 15 10 s
33. tabilize the shape of the voltage produced by the power supply modules by fixing the voltage value to the value required by the internal circuitry This card also applies a resistive load when the amplifier is turned on and excludes said load after a short time to reduce current peaks in the transformer on turning it on SOFT START 8 2 4 PS RF Interface Board This interface board is installed at the back of the amplifier for collecting the main signals of the machine and making them available on the connectors This interface is connected to the three rectifiers the CPU the fans the transformer from which it receives the signals and to which it issues commands This interface card is designed to make the PS part communicate with the RF part and making available the dedicated signals at the specific connector for each part 8 2 5 LEDs Board Three LEDs are present on this board for indicating the operating status of the three power supply modules The lighting up of a LED indicates a malfunction in the associated module 8 2 6 CPU This subsystem is made up of three cards the CPU card the display card and the analog card The CPU subsystem implements all the software functions measurements protection control data display communications outlined in the previous chapters This card carries the signals to the DB25 telemetry connector that is on the machine s back panel The connector is fitted with 7 analog outputs 8 op
34. three settable warning thresholds Each one is compared with the level of one ofthe machine s operating parameters The results of the comparison are available on the telemetry connector on the contacts of the optional external telemetry card and may be read on the display as O open i e false result or C closed i e real result Two of the settable thresholds Power Good refer to the emitted power level whereas the reflected power quantity Reflected Warning is checked for the third one Proceed as follows to change the values of the warning thresholds e Select the line to be changed with the UP and DOWN keys e Press the ENTER key e Change the threshold value UP and DOWN keys e Press ENTER to confirm The figure below shows a configuration example of this menu Purkbal oH 4 Pura gt oH 4 Rf llar 48 lt In this example the alarm thresholds are as follows e PwrGd1 80 e PwrGd2 50 e RflWar 50 Rev 1 1 29 01 09 User Manual RaW Ra DTVPA ELETTRONICA 5 3 5 Alarm Menu This menu provides information about the status of the amplifier s built in protection system It consists of a certain number of lines each of which contains the name of the variable controlled by the protection system and the type of intervention carried out by the system Said intervention may be as follows X Y Wait or Dis Disabled The aspect of this menu is as follows only two lines can be s
35. ts on the panels of the DTVPA 6 1 PS Module Frontal Panel 1 2 3 4 5 6 7 8 9 AIR FLOW FAULT LOCAL FOLDBACK CONTRAST DISPLAY ALARM RESET 10 P S ALARMS 11 LOC REM 12 ESC 13 LEFT UP 14 RIGHT DOWN 15 ENTER User Manual 10 111213 14 159 Grill for the ventilation flow passage Green LED indicating the amplifier is switched on Yellow LED indicating the amplifier is waiting for a condition that is blocking the power output to be removed Red LED indicating that a fault that cannot be automatically reverted Yellow LED indicating that the amplifier is in local control mode Yellow LED indicating that the foldback function is active automatic reduction of the distributed power NOT USED IF THE MODULATOR HAS AN ADAPTIVE PRECORRECTOR Trimmer to regulate the contrast of the LCD display LCD display Button used to manually reset the protection system Yellow LEDs indicating the presence of a anomaly on one or more power supply boards Switch to select the local or remote control modes Button used to exit from a menu Button used to navigate in the menu system and to modify the changeable parameters Button used to navigate in the menu system and to modify the changeable parameters Button used to accept a parameter s value or to enter into a menu Rev 1 1 29 01 09 17 34 DTVPA RaW Ra ELETTRONICA 6 2 PS module Rear Panel THREE PI 16
36. ule ending with the ILME CXM 4 2 type of socket DC Output 6 34 Rev 1 1 29 01 09 User Manual RaW Ra DTVPA ELETTRONICA i lt a Cay an eN bee NN US SO E E A WS XJ Ha S h G KN KS A z SISE XS eo y Figure 5 1 Example of installation in a rack Connect the output of a suitable type of TV exciter e g the DIVPE of R V R Elettronica to the RF input RF module using a cable fitted with N type connectors The exciter should be set to minimum output power and OFF Connect the amplifiers INTERLOCK connector on the back of the PS module to the exciter s Interlock input if available it is available in all RVR Elettronica exciters using a twin wire with BNC connectors NB Note the amplifiers INTERLOCK connector is an output The operating logic is as follows the internal conductor floats when the amplifier works correctly on the contrary power is delivered and the internal conductor is closed to ground to halt the exciter Connect the RF output to the antenna cable or to a dummy load capable of dissipating the power generated by the amplifier An ILME model CXF4 2 multipole socket is supplied with the amplifier to power the machine The socket must be connected to the multipole cable that will be wired to the mains switchboard A Danger to avoid any risk of shock make ABSOLUTELY sure that the power supply cable is NOT powered when the multipole socket is connected to the cable itself
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