PJ300C-LCD - RVR Elettronica SpA Documentation Server
Contents
1. PJ300C LCD User Manual Volume 1 Manufactured by File Name 03 PJ300C LCD ING 41 0 indd Version 1 0 Date 15 12 2006 Revision History Document History 15 12 06 First Edition J H Berti o LLLA PJ300C LCD User Manual Version 1 0 Copyright 2005 2006 R V R Elettronica SpA Via del Fonditore 2 2c 40138 Bologna Italia 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 Notification of intended purpose and limitations of product use This product is a FM transmitter intended for FM audio broadcasting It utilises operating frequencies not harmonised in the intended countries of use The user must obtain a license before using the product in intended country of use Ensure respective country licensing requirements are complied with Limitations of use can apply in respect of operating freuency transmitter power and or channel spacing Declaration of Conformity Hereby R V R Elettronica SpA declares that this FM transmitter is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC CE PJ300C LCD2. When the display is on pressing the ESC button chap 6 1 from the default menu menu 1 calls up the selection screen menu 3 which gives access to all other menus Foe Fur F H Alm Mix Ure Menu 3 To gain access to a submenu select menu name name is highlighted by cursor using button or and press the ENTER button chap 6 1 Press ESC again chap 6 1 to return to the default menu menu 1 12 26 Rev 1 0 15 12 06 User Manual RaW Ra ELETTRONICA 5 4 1 5 4 2 PJ300C LCD Operation Menu Fnc In this menu you can set power output On Off toggle between Local or Remote control mode and set the Forward Power Good PgD threshold rate To edit an item highlight the appropriate line using the UP and DOWN buttons and then press and hold the ENTER button chap 6 1 until the command is accepted This way Pwr setting is toggled between On and Off and Mod setting is toggled between x1 and x10 To edit the Power Good rate simply select item PgD and edit its value using buttons and finally press ENTER to confirm chap 6 1 kPuiu Of Loc REMOTE Fab ob Menu 4 Pwr Enables ON or disables OFF amplifier power output Loc Modifies machine operation In the LOCAL mode the machine can read and modify its operating parameters through the navigation keys and the management firmware whereas all other sources are locked out In the REMOTE mode the machine can only read its operat
3. chest Figure 5 Ea E SEES Figure 3 Figure 4 Figure 5 Rev 1 0 15 12 06 RaW Ra ELETTRONICA e One rescuer give 2 quick rescue breaths after each 15 compressions Two rescuers one rescue breath after each 5 compressions Do not stop chest compressions while giving artificial breathing e Call for medical help as soon as possible 3 1 2 If the victim is conscious e Cover victim with a blanket e Try to reassure the victim Loosen the victim s clothing and have him her lie down Call for medical help as soon as possible 3 2 Treatment of electric burns 3 2 1 Large burns and broken skin o Cover affected area with a clean cloth or linen Do not break any blisters that have formed remove any clothing or fabric that is stuck to the skin apply adequate ointment e Administer adequate treatment for the type of accident e Get the victim to a hospital as quickly as possible Elevate arms and legs if injured If medical help is not available within an hour the victim is conscious and is not retching administer a solution of table salt and baking soda one teaspoon of table salt to half teaspoon of baking soda every 250 ml of water Have the victim slowly drink half a glass of solution for four times during a period of 15 minutes Stop at the first sign of retching Do not administer alcoholic beverages 3 2 2 Minor burns e Apply cold no
4. input fitted on all R V R Elettronica exciters as standard if your exciter is a different brand identify an equivalent input Connect the RF output see figure 6 2 to an adequately rated dummy load or to the antenna WARNING Electric shock hazard Never handle the RF output connector when the machine is powered on and no load is connected Injury or death may result Ensure that the POWER switch on the front panel is set to OFF Connect the mains power cable to the MAINS terminal board on the rear panel see figure 6 2 Rev 1 0 15 12 06 User Manual Le A RaW Ra ELETTRONICA PJ300C LCD Note The mains must be equipped with adequate ground connection properly connected to the machine This is a pre requisite for ensuring operator safety and correct operation WARNING The power supply connector is a terminal board Ensure the wire is not live before performing the connection Please see figure 5 2 for a hook up diagram showing RF connection between amplifier and exciter and load connection SOOW STATION JE SIR AO t HO gem Ia 9 PJ300 LCD J a e ohe N 5 g O eoD fi SAN E e wno eye le eye lo RG 215 N Type Male Di RG 58 BNC Male DUMMY LOAD 50 Ohm 1000 W Figure 5 2 Connection to exciter 5 2 First power on and setup Follow this procedure upon first power on and after mak
5. DC Power Input EM dE PC Current ADCP OnMam ds ternal fuse FOT Se2Omm pT Onseviee o qoo o o On PA Supply C a a On Aux VDE socket gt 483 19 19 EIA rack phisivat Dimensione 88 xxx Se eae Overalldepth mm P80 370 xxxx O Lo Weigh Pg tt o Jo Telemetry Oooo ddoe G g2g e 115 Vac Eo code 0 0 000 00 0 o o o pode L L4 0 00 oo o de Anadogcalve ooo FWD fold For P A A G C purpose min 0 5 Vcc Analogicallevel REF fold For P A A G C purpose min 0 5 Vcc Remote connector inputs pulse RF ON SSS capp peq LN QM mh RFOFF EEUU Ig V QOwotee a eb for remote power inhibition short is RF off Ample FW max 5 Vcc Ampel a CREE S Remote connector outputs Ambgellevl VAa G aNG Amdellwl PACCO meSve COSCSC S SCSY oN Orkw PowrGed 9Pencolecto O Remote connector others Cd i2Cbus L Telecon Yes via TLC300 or TLC2000 Cooling type LL LA Forced with intemal fan E wouten i L 4BA CSCS eq 3 min amp 1m a re ee eee eee Sg 0 ee SS Spectrum Optimization 22 26 Rev 1 0 15 12 06 User Manual RaW Ra P J 3 00 C L CD ELETTRONICA 8 Working Principles 8 1 Power Supply The PJ300C LCD power supply unit is a switching type unit whose 50 V main outp
6. HEBES Tab PFJL ia3ma B1 Menu 9 User Manual Rev 1 0 15 12 06 17 26 PJ300C LCD Note that these are readings rather than settings and cannot be edited note the empty arrow RaW Ra ELETTRONICA Rel Firmware release information Dat Release date Tab Shows table loaded in the memory 18 26 Rev 1 0 15 12 06 User Manual PJ300C LCD 6 Front and Rear Panel Description This section describes the components found on the front and rear panel of PJ300C LCD 6 1 Front Panel Figure 6 1 1 AIR FLOW Air flow for the forced ventilation 2 ON Green LED Turns on when amplifier is powered on 3 FAULT Red LED Turns on when machine is in permanent fault lock out mode 4 FOLDBACK Yellow LED Turns on when foldback current limiting Automatic Gain Control is intervened 5 R F MUTE Yellow LED Turns on when exciter power output is inhibited by an external interlock signal 6 CONTRAST Display contrast trimmer 7 ESC Press this button to exit a menu B Navigation button used to browse menu system and edit parameters 9 Navigation button used to browse menu system and edit parameters 10 ENTER Press this button to confirm a modified parameter and open a menu 10 DISPLAY Liquid Crystal Display 11 POWER AC mains ON OFF switch User Manual Rev 1 0 15 12 06 19 26 PJ300C LCD 6 2 Rear Panel 1 2 3 4 9 6 7 8 9 PLUG FAN R F OUTPU
7. LED turns on chap 6 1 After the alarm condition has been rectified the counter can be reset by highlighting Reset Alm and holding down the ENTER key for some time chap 6 1 5 4 4 1 Alarms and Faults There are three types of alarms that can cause a machine lock out and trigger a FAULT LOCK indication When any one of the three alarm thresholds is exceeded the system will automatically switch to the warning screen even though the user is browsing system menus and the following messages are displayed 1 Over Forward Power Forward power threshold exceeded TT ATTEHTION tt OVER FWD Power Alarm 1 2 Over Reflected Power Reflected power threshold exceeded TT ATTENTION tt OVER REL Power Alarm 2 3 Over Input Power Input power threshold exceeded User Manual Rev 1 0 15 12 06 15 26 P J 3 00 C L CD RaW Ra ELETTRONICA TT ATTEHTION tt OVER IMP Power Alarm 3 Monitoring cycle is as follows e An alarm condition occurs e Alarm is displayed and device is locked out for 15 sec Operating conditions are restored Verification Upon reaching the 10 cycle limit a FAULT indication is triggered and the device goes into lock out mode the appropriate LED turns on figure 6 1 and this screen is displayed I Over Forward Power Forward power alarm display Tt HALTED FUR Tt OVER FWD Power Stop 7 Il Over Reflected Power Reflected power alarm display Tt HALTED FUR
8. Power setup menu figure 5 2 menu 2 pressing the following keys in the order ESC opens Default Menu ENTER hold down for 2 seconds Use SET menu and keys to set the desired amplifier output power the SET bar at the side provides a graphic display of set power whereas the forward power value shown on the display Fwd xxxx W gives actual output power reading and may be lower than set power if an Automatic Gain Control is in limited power mode please read section 5 3 concerning RF power modulation for more details Note Output power can also be set in a Pwr OFF condition in this condition Fwd output power reading on the display will be O zero whereas the SET bar which you can control using the keys provides a graphic display of the amount of power that will be delivered the moment you switch back to Pwr ON state Changing the Power Good alarm threshold Change Forward Power Good alarm setting PgD from the Fnc menu as required factory setting is 50 Please read section 5 3 1 for more details Changing machine lC address Change the IIC address in the Mix menu as required factory setting is 01 Please read section 5 3 5 for more details How to enable Remote mode If you wish to use the telemetry control feature enable Remote control in the Fnc menu see section 5 3 1 for details Note In the Remote mode all local push button controls except Remote Local for switching back to Local mode are disable
9. R V R Service Manager Units returned without a return authorisation may be rejected and sent back to the sender 4 Be sure to include a detailed report mentioning all problems you have found and copy of your original invoice to show when the warranty period began with the shipment Please send spare and warranty replacement parts orders to the address provided below Make sure to specify equipment model and serial number as well as part description and quantity R V R Elettronica SpA Via del Fonditore 2 2c 40138 BOLOGNA ITALY Tel 39 051 6010506 3 First Aid All personnel engaged in equipment installation operation and maintenance must be familiar with first aid procedures and routines 3 1 Electric shock treatment 3 1 1 If the victim is unconscious Follow the first aid procedures outlined below Lay the victim down on his her back on a firm surface the neck and tilt the head backwards to free the airway system Figure 1 Figure 1 If needed open the victim s mouth and check for breathing e If there is no breathing start artificial respiration without delay Figure 2 as follows tiltthe head backwards pinch the nostrils seal your mouth around the victim s mouth and give four fast rescue breaths Figure 2 e Check for heartbeat Figure 3 if there is no heartbeat begin chest compressions immediately Figure 4 placing your hands in the centre of the victim s
10. RaW Ra ELETTRONICA Table of Contents 1 Preliminary Instructions 1 2 Warranty 1 3 First Aid 2 o Treatment of electrical shocks 2 3 2 Treatment of electrical Burns 2 4 Unpacking 3 4 1 General Description 3 5 Quick guide for installation and use 5 5 1 Preparation 5 0 2 First power on and setup T 5 3 Operation 10 5 4 Management Firmware 11 6 Front and Rear Panel Description 19 6 1 Front Panel 19 6 2 Rear Panel 20 6 3 Connectors description 21 7 Technical Specifications 22 8 Working Principles 23 8 1 Power supply 23 8 2 Panel board 23 0 3 Power Amplifier 23 8 4 Control Board 24 8 5 Telemetry board 24 8 6 Interlock Output Interface 24 9 Identification and Access to the Modules 25 9 1 Identification of the Modules 25 User Manual Rev 1 0 15 12 06 PJ300C LCD Rev 1 0 15 12 06 RaW Ra ELETTRONICA This page was intentionally left blank User Manual RaW Ra ELETTRONICA PJ300C LCD IMPORTANT The lightning flash with arrowhead within a triangle is intended to alert the user of the presence of dangerous voltage that may constitute a risk of electric shock The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the equipment x User Manual 1 Preliminary Instructions General Warnings This equipment should only
11. T INTERLOCK IN EXT AGC REMOTE GSM ANT REMOTE FUSE BLOCK 10 R F TEST 11 24VDC IN 12 SERVICE 13 INPUT PWR 14 INTERLOCK OUT 15 INTERLOCK IN 16 FOLDBACK 1 2 20 26 RaW Ra ELETTRONICA Figure 6 2 Mains supply plug 90 260V 50 60 Hz Fan for the forced ventilation of the amplifier RF output connector N type 500 Interlock input BNC connector when central conductor is connected to ground the transmitter is placed into forced standby mode Trimmer for the control of the delivered power in function of the FWD fold input FWD EXT AGC and RFL fold input RFL FOLD AGC DB15 connector for telemetry of the machine Reserved for Future Uses SMA connector for GSM Antenna Reserved for Future Uses DB25 connector for telemetry of the machine Fuse carrier Use a screwdriver to access the fuse Contains the general protection fuse rated 8AT 5x20 RF test output approx 13 dBm wrt the RF output power level Not Used External 24Vdc supply input Negative black and Positive red DB9 connector for interconnection with other devices and for factory parameters programming only for factory programming RF input connector N type 500 Interlock output BNC connector when the transmitter goes into stand by mode the normally floating central connector is connected to ground Reserved for Future Uses Interlock input BNC connector Reserved for Future Uses Tri
12. Tt UVER REL Power Stop 2 Ill Over Input Power Input power alarm display Tt HALTED FUR Tt OVER IMP Power Stop 3 16 26 Rev 1 0 15 12 06 User Manual PJ300C LCD Once the machine goes into FAULT mode it will no longer attempt to re start choose the appropriate reset procedure according to current machine setting RaW Ra ELETTRONICA e Machine set to LOCAL control mode press Reset Alm in the alarm menu menu 7 or power off and back on again using the POWER switch chap 6 2 e Machine set to REMOTE control mode power off and back on again sending the appropriate command via the DB15 connector chap 6 3 2 item 14 and 15 There is a fourth alarm that does not trigger a FAULT condition but allows some time until correct operating conditions are restored When the temperature alarm threshold is exceed about 85 C the following screen appears 4 Over Temperature Temperature power threshold exceeded HTTENTION tt OVER TEMPERATURE Alarm 4 5 4 5 Miscellaneous Menu Mix This menu lets you set machine address in an l C bus serial connection kIIL zo Menu 8 IIC lC address setting The I C network address becomes significant when the exciter is connected in an RVR transmission system that uses this protocol Do not change it unless strictly required 5 4 6 Version Menu Vrs This screen holds machine version release information I FEal FFRU U mIadd3m Dal 2B
13. accept responsibility or liability for any errors or inaccuracies in this manual including the products and the software described herein R V R Elettronica SpA reserves the right to make changes to equipment design and or specifications and to this manual at any time without prior notice Notice concerning product intended purpose and use limitations This product is a radio transmitter suitable for frequency modulation audio radio broadcasting Its operating frequencies are not harmonised in designated user countries Before operating this equipment user must obtain a licence to use radio spectrum from the competent authority in the designated user country Operating frequency transmitter power and other characteristics of the transmission system are subject to restrictions as specified in the licence 2 Warranty La R V R Elettronica S P A warrants this product to be free from defects in workmanship and its proper operation subject to the limitations set forth in the supplied Terms and Conditions Please read the Terms and Conditions carefully as purchase of the product or acceptance of the order acknowledgement imply acceptance of the Terms and Conditions For the latest updated terms and conditions please visit our web site at WWW RVR IT The web site may be modified removed or updated for any reason whatsoever without prior notice The warranty will become null and void in the event the product enclosure is opened the pro
14. be operated installed and maintained by trained or qualified personnel who are familiar with risks involved in working on electric and electronic circuits Trained means personnel who have technical knowledge of equipment operation and who are responsible for their own safety and that of other unqualified personnel placed under their supervision when working on the equipment Qualified means personnel who are trained in and experienced with equipment operation and who are responsible for their own safety and that of other unqualified personnel placed under their supervision when working on the equipment A WARNING Residual voltage may be present inside the equipment even when the ON OFF switch is set to Off Before servicing the equipment disconnect the power cord or switch off the main power panel and make sure the safety earth connection is connected Some service situations may require inspecting the equipment with live circuits Only trained and qualified personnel may work on the equipment live and shall be assisted by a trained person who shall keep ready to disconnect power supply at need R V R Elettronica SpA shall not be liable for injury to persons or damage to property resulting from improper use or operation by trained untrained and qualified unqualified persons A WARNING The equipment is not water resistant Any water entering the enclosure might impair proper operation To prevent the risk of electrical shock
15. bsorbed to amplifier module BOE Efficiency based on ratio of forward power to amplifier module power in percent FWD PWRY Vpa x Ipa Imp Machine internal temperature Alarm Menu Alm This menu shows any alarm conditions occurring during machine operation Alarm thresholds are preset at the factory E FD He 1835 EFL He 1835 INF He 1835 Reset Him Menu 7 FWD Counter of alarm conditions triggered by forward power RFL Counter of alarm conditions triggered by reflected power INP Counter of alarm conditions triggered by input power Reset Alm Alarm counter reset Rev 1 0 15 12 06 User Manual RaW Ra P J 3 00 C L CD ELETTRONICA Alarm conditions are numbered from 1 to 10 and reflect the following situations forward output power too high reflected output power too high and input power too high Alarm monitoring cycle is as follows when an alarm condition is detected alarm counter increases by 1 unit machine goes into lock out state and the display shows the cause for the stop chap 5 3 4 1 After 15 seconds the machine attempts to re start if a new alarm condition is detected cycle is repeated over and over again up to 10 times maximum If machine re starts successfully all alarm counters are reset after 30 minutes regular operation After 10 alarm conditions triggered by the same cause the machine goes into fault lock out mode a lock out mode warning appears on the display and the FAULT
16. cluding e Mains power cable e Coaxial cable with BNC connectors for interlock signal connection between exciter and amplifier e RF connection cable between exciter and amplifier 50 Ohm coaxial cable with N type connectors e RF cable for output to load antenna 50 Ohm coaxial cable with 7 8 connectors as standard or optional 7 16 connectors User Manual Rev 1 0 15 12 06 5 26 PJ300C LCD 9 1 2 A 5 1 3 6 26 RaW Ra ELETTRONICA Mains power supply WARNING Disconnect mains power supply before beginning these procedures The supply unit please see chapter 8 1 for a detailed description is equipped with fuse The mains power supply protection fuse are conveniently located on the rear panel and are easily accessed see figure 6 2 to check or replace a fuse disconnect machine from power mains unscrew fuse cover and pull fuse out of socket The following fuses are used Main Fuse fig 6 2 item 9 8A T type 5x20 8A T type 5x20 Table 5 1 Fuse The main power supply unit is the full range type and requires no voltage setup Connections Connect the output of a suitable FM exciter for instance PTX30 LCD exciter available from R V R Elettronica to the RF input see figure 6 2 using a 50 Ohm coaxial cable with N type connectors To begin with set exciter to minimum output power and switch if off Connect the amplifier INTERLOCK OUT output figure 6 2 to the matching INTERLOCK IN
17. d Operating parameter readings are available User Manual Rev 1 0 15 12 06 9 26 P J 3 00 C L CD R V R a ELETTRONICA 5 3 Operation 1 Power on the amplifier chap 6 1 and ensure that the ON light turns on chap 6 1 Machine name should appear briefly on the display quickly followed by forward and reflected power readings Menu 1 provided that the amplifier is delivering output power Fuz s n2 ll kfl 12 WW Menu 1 1b To modify power level setting hold down the ENTER button until opening the power setup menu The edit screen will look like this SET s IH Find s 2a I Menu 2 Next to SET indication a bar provides a graphic display of preset output power The filled portion of the bar is proportional to set power level Example J JJ A b O 10076 output power Full bar 300W in output 50 output power Half bar 150W in output 2576 output power 1 4 bar 75W in output The bottom line provides instantaneous power reading 297W in this instance press button to increase level press to decrease it When you have achieved the desired level press ENTER to confirm and exit the default menu Please note that the setting is stored automatically in other words if you press ESC or do not press any keys before the preset time times out the latest power level set will be retained De NOTE This feature prevents the machine from delivering maximum power as soon as ou
18. d by the power amplifier e Measure of the temperature Low pass filtering of the RF signal in output This board also features an RF sampling of approximately 13dBm 6dBm RF with respect to the output which is available on a BNC connector below the transmitter output connector This sample is is useful for verifying the characteristics of the carrier but not for verifying those of the upper harmonics User Manual Rev 1 0 15 12 06 23 26 PJ300C LCD 8 4 8 5 8 6 24 26 ELETTRONICA Control Board The main function of this board is to check and correct the MOSFET polarization voltage of the RF amplifier section It also provides the measurement of the absorbed current and contains a circuit for signaling power supply unit faults If no alarms are present the voltage is adjusted only depending on the set output power with a feedback mechanism based on the reading of the power really delivered AGC The voltage is also affected by other factors such as Excess of reflected power e External AGC signals Ext AGC FWD Ext AGC RFL Excess of temperature e Excess of absorbed current from the RF module Telemetry board This board is designed to inform the user of the equipment operation state All input and output signals are available on the DB15 connector The same board also features the INTERLOCK BNC connector for disabling the device By grounding the central pin the output power is reduced t
19. duct is physically damaged is repaired by unauthorised persons or is used for purposes other than its intended use as well as in the event of improper use unauthorised changes or neglect In the event a defect is found follow this procedure 1 Contact the seller or distributor who sold the equipment provide a description of the problem or malfunction for the event a quick fix is available Sellers and Distributors can provide the necessary information to troubleshoot the most frequently encountered problems Normally Sellers and Distributors can offer a faster repair service than the Manufacturer would Please note that Sellers can pinpoint problems due to wrong installation 2 f your Seller cannot help you contact R V R Elettronica and describe the problem if our staff deems it appropriate you will receive an authorisation to return the equipment along with suitable instructions 3 When you have received the authorisation you may return the unit Pack the unit carefully before shipment use the original packaging whenever possible and seal the package perfectly The customer bears all risks of loss i e R V R shall not be liable for loss or damage until the package reaches the R V R factory For this Rev 1 0 15 12 06 1 26 2 26 PJ300C LCD reason we recommend insuring the goods for their full value Returns must be sent on a C I F basis PREPAID to the address stated on the authorisation as specified by the
20. ge VDC 540 macchina in compressione input 18W 500 macchina in compressione input 18W 1 macchina in compressione input 18W macchina in compressione input 18W 4 pushbutton Alphanumerical LCD 2 x 16 Front panel width 483 Overall Phisical Dimensions Front panel height Overall depth 370 ul N C1 n2 Qoo gt o oO 5 o Oo Ci e ELETTRONICA Ambient working temperature O to 50 operational 10 o Spurious amp harmonic suppression o Be gt 70 75 typical Meets or exceeds all FCC and CCIR rules RF Input Connector N type O O Driver power for rated output W O RF Output Connector N female type O a Connector BNC OQ RF Monitor impedance Om PS 13 4 6 dBm Referred to the RF output Interlock Input BNC For remote power inhibition short is RF off Interlock Output For remote power inhibition short is RF off RS232 Serial Interface ee ee yy DB9 F Factory reserved for firmware program poe S Y2 GM Hr Y llli RS485 Serial Interface p ee Se Remote Interface DB15F IIC 5 analog digital inputs 5 analog digital outputs Telemetry Interface E Oe rae AC Apparent Power Consumption VA 40 A Power Input Active Power Consumption w LL PowerFactor o o 0 0 0 093 G E Comet VDE male o n E IN o
21. imum level if not already set to maximum from the Power Setup Menu which you can call up by pressing these keys in the order ESC opens Default Menu ENTER hold down for 2 seconds gt SET use key to set bar to maximum limit figure 5 2 menu 2 Input power check and setup Go to Pwr menu figure 5 2 menu 5 and look up forward output power Fwd reflected power Rfl and input power Inp readings With drive power set as specified in the Final Test Table amplifier output power should be 300W or higher if needed fine tune drive power until achieving rated output power Never exceed 330W output power Note Normally drive power should not exceed 20W typically 15W higher drive power requirements are a symptom of abnormal operation WARNING Drive power levels above 20W typically 25W result in exceeding input power which causes a temporary amplifier lock out see section 5 3 4 1 Alarms and Faults for more details Rev 1 0 15 12 06 User Manual 9 2 6 Le Sd 5 20 9 2 9 RaW Ra ELETTRONICA PJ300C LCD RF output power level control IMPORTANT The amplifier incorporates Automatic Gain Control and output power is modulated based on the power level set by the user and actual operating conditions such as temperature reflected power and other parameters Drive power must be kept steady at maximum output power capacity Please read section 5 3 for more details of RF power modulation Open the
22. ing changes to the configuration of the transmitter in which the amplifier is integrated Note Standard factory settings are RF power output Off Pwr OFF and output power set to upper limit unless otherwise specified by customer Pilot exciter setup Set up the pilot exciter so that the output power it delivers to a matched load equals the maximum input power indicated in the amplifier final test table switch off the exciter and connect it to the amplifier User Manual Rev 1 0 15 12 06 7 26 PJ300C LCD 0 2 2 9 2 9 5 2 4 5 2 5 8 26 ELETTRONICA Power on When you have performed all of the connections described in the previous paragraph power on the amplifier using the suitable power switch on the front panel figure 6 1 Power on the pilot exciter Power check Ensure that the ON light turns on see figure 6 1 Machine name should appear briefly on the display quickly followed by forward and reflected power readings figure 5 2 menu 1 If RF output is disabled these readings will be zero How to enable Local mode and RF output Check current mode setting and enable Local mode if not already enabled following menu path Fnc Loc Local figure 5 2 if left disabled the machine will not accept the next commands Check current RF output setting and enable output if not already enabled following menu path Fnc Pwr ON figure 5 2 menu 4 Check output power level and set to max
23. ing parameters parameters are modified based on the commands received from other connected telemetry systems PgD Modifies Power Good forward power threshold The Power Good rate is a percent of machine rated power 300 W not of forward output power This means that this threshold set at 50 will give 150 W regardless of set power level The Power Good feature enables output power control and reporting When output power drops below set Power Good threshold the machine changes the state of pin 7 of the DB15 Remote connector located on the rear panel figure 6 3 2 6 Power Menu Pwr This screen holds all readings related to machine output power I Fiud H n Efl E n InbP TAS n Menu 5 Fwd Forward power reading Ril Reflected power reading Inp Input power reading User Manual Rev 1 0 15 12 06 13 26 PJ300C LCD 9 4 3 0 4 4 14 26 RaW Ra ELETTRONICA Note that these are readings rather than settings and cannot be edited note the empty arrow To change power setting go to the default menu menu 1 as outlined earlier Power Amplifier P A Menu This screen is made up of four lines that can be scrolled using the buttons and shows the readings relating to final power stage Pls ab ee IFA Dda Eff dr Tm zu a Cie DL Menu 6 Note that these are readings rather than settings and cannot be edited note the empty arrow VPA Voltage supplied to amplifier module IPA Current a
24. le replacement The RF power section uses one MOSFET modulesable to deliver over 300W 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 e Output power setup Power output enable disable User selectable threshold settings for output power alarm Power Good feature Measurement and display of amplifier operating parameters e Communication with external devices as programming systems or telemetry systems through RS232 or lC serial interface Four LEDs on the front panel provide for machine status indication ON FAULT FOLDBACK RF MUTE User Manual Rev 1 0 15 12 06 3 26 PJ300C LCD 4 26 RaW Ra The amplifier management software is based on a menu system User has four navigation buttons available to browse submenus ESC and ENTER The rear panel features the mains input connectors RF power input and output connectors remote connector protection fuse interlock input and interlock output connectors and a BNC connector that provides an RF test point with level being 13 dBm 6dB lower than power ouput Rev 1 0 15 12 06 User Manual RaW Ra P J 3 00 C L CD ELETTRONICA 5 Quick guide for installation and use This section provides a step by step description of the machine installation and configuration procedure Follow these procedures closely upon first power on and each time any cha
25. mmer for the control of the delivered power in function of the foldback inputs Rev 1 0 15 12 06 User Manual RaW Ra ELETTRONICA 6 3 Connectors description 6 3 1 Type Female DB9 1 NC 2 TXD 3 RX D 4 o GND 6 T 8 9 NC 6 3 2 Remote Type Female DB15 Pin Name 1 Interlock 2 Ext AGC FWD 3 GND 4 SDAIIC o VPA Tim 6 FWD Tim 7 Power Good GND GND O ExtAGC RFL 11 SCLIIC 12 IPA Tim 13 RFL Tim 14 On cmd 15 OFF cmd User Manual Internally connected to 6 Internally connected to 4 Internally connected to 8 Internally connected to 7 Type IN IN I O ANL OUT ANL OUT DIG OUT IN I O ANL OUT ANL OUT DIG IN DIG IN Rev 1 0 15 12 06 PJ300C LCD Service for factory setting purposes only Purpose Inhibits power if closed to GND Ext signal 1 12V for power limitation AGC Ground Serial for IIC communication PA supply voltage 3 9V F S Forward power 3 9V F S Signalling of the activation by the grounding of the contact normally open chap 5 4 1 Ground Ground Ext signal 1 12V for power limitation AGC Clock for IIC communication PA power supply 3 9V F S Forward power 3 9V F S A pulse towards ground 500 ms triggers power output A pulse to ground 500 ms inhibits power output 21 26 PJ300C LCD T Technical Specifications 300 DENKE Mono phase Mains input voltage range 230 15 CPU backup Input Volta
26. n run unattended Any alarm condition is handled automatically by the safety system or is signalled by the LED indicators on the panel or by display messages LE NOTE Standard factory settings are output power set to upper limit unless otherwise specified by customer and OFF 5 4 Management Firmware The machine features an LCD with two lines by 16 characters that displays a set of menus Figure 5 2 below provides an overview of machine menus The symbols listed below appear in the left portion of the display as appropriate Cursor Highlights selected i e accessible menu k Filled arrow Editable parameter marker This symbol appears in menus that take up more than two lines to aid browsing EEE Three empty arrows Parameter is being edited E Empty arrow Current line marker the parameter in this line cannot be edited This symbol appears in menus that take up more than two lines to aid browsing User Manual Rev 1 0 15 12 06 11 26 Fwd 29 p ET s IULII Efl 12 Fwd Pac EN Default Menu Power Setup Menu Fie Pur P H Alm Mix Urs Selection Screen kPur OF Loc REMOTE Menu 4 Fab SH Operation Menu Fwd A a a Rfl z Int 12 3 Power Menu HIPS Ira 1H EFF Tm Reset ALM Alarm Menu FIIC foo Miscellaneous menu FRel FPRO 688385 Dat 027 6372605 Tab FJL_636H_41 Version Menu Figure 5 2 When the display is off touching any key will turn on backlighting
27. nge is made to general configuration such as when a new transmission station is added or the exciter is replaced Once the desired configuration has been set up no more settings are required for normal operation at each power up even after an accidental shutdown the amplifier defaults to the parameters set during the initial configuration procedure The topics covered in this section are discussed at greater length in the next sections with detailed descriptions of all hardware and firmware features and capabilities Please see the relevant sections for additional details LE IMPORTANT When configuring and testing the transmitter in which the amplifier is integrated be sure to have the Final Test Table supplied with the machine ready at hand throughout the whole procedure the Final Test Table lists all operating parameters as set and tested at the factory 5 1 Preparation 5 1 1 Preliminary checks Unpack the amplifier and immediately inspect it for transport damage Ensure that all connectors are in perfect condition Provide for the following applicable to operating tests and putting into service V Single phase 230 VAC or 115 VAC 15 10 mains power supply with adequate ground connection y FM exciter with adjustable output power up to 20W as a minimum like RVR Elettronica PTX30 LCD y For operating tests only dummy load with 50 Ohm impedance and adequate capacity 300 W as a minimum V Connection cable kit in
28. o zero until the connection is removed When an R V R amplifier is used this connector is linked to the power amplifier REMOTE or INTERLOCK by means of a BNC BNC connection In case of amplifier faults the central conductor is grounded thus forcing the machine to enter in stand by mode Interlock Output Interface The interlock output interface serves to generate the signal of INTERLOCK OUT on the board is present one jumper which if set in opposite way reveres the working logic Rev 1 0 15 12 06 User Manual ELETTRONICA PJ300C LCD 9 Identification and Access to the Modules 9 1 Identification of the Modules The PJ300C LCD is made up of various modules linked to each other through connectors so as to make maintenance and any required module replacement easier 9 1 1 Upper view The figure below shows the equipment upper view with the various components pointed out 1 2 3 4 5 7 User Manual figure 9 1 Power Supply PSL600 Control Board SLO45DR1101 Panel Board SLOO7PC2002 Cooling Fan VTL9G824G 102 RF Module Board SL123RF1001 Telemetry Board SLTLMTXLCDO3 Interlock Output Interface SL123 N1007 Rev 1 0 15 12 06 25 26 PJ300C LCD RaW Ra ELETTRONICA This page was intentionally left blank 26 26 Rev 1 0 15 12 06 User Manual
29. or fire do not expose this equipment to rain dripping or moisture Please observe local codes and fire prevention rules when installing and operating this equipment A WARNING This equipment contains exposed live parts involving an electrical shock hazard Always disconnect power supply before removing any covers or other parts of the equipment Ventilation slits and holes are provided to ensure reliable operation and prevent overheating do not obstruct or cover these slits Do not obstruct the ventilation slits under any circumstances The product must not be incorporated in a rack unless adequate ventilation is provided or the manufacturer s instructions are followed closely A WARNING This equipment can radiate radiofrequency energy and if not installed in compliance with manual instructions and applicable regulations may cause interference with radio communications A WARNING This equipment is fitted with earth connections both in the power cord and for the chassis Make sure both are properly connected Operation of this equipment in a residential area may cause radio interference in which case the user may be required to take adequate measures The specifications and data contained herein are provided for information only and are subject to changes without prior notice R V R Elettronica SpA disclaims all warranties express or implied While R V R Elettronica SpA attempts to provide accurate information it cannot
30. t ice cold strips of gauze or dress wound with clean cloth Do not break any blisters that have formed remove any clothing or fabric that is stuck to the skin apply adequate ointment If needed have the victim change into clean dry clothing e Administer adequate treatment for the type of accident e Get the victim to a hospital as quickly as possible Elevate arms and legs if injured User Manual RaW Ra P J 3 00 C L CD ELETTRONICA 4 Unpacking The package contains B 1 PJ300C LCD B 1 User Manual B 1 Mains power cable The following accessories are also available from Your R V R Dealer Accessories spare parts and cables 4 1 General Description The PJ300C LCD is an radio broadcasting amplifier manufactured by R V R Elettronica SpA featuring adjustable RF power output up to 300 W under 50 Ohm standard load and less than 20W drive power requirement The PJ300C LCD has been designed for installation in a 19 x2HE box for rack The amplifier incorporates a low pass filter to keep harmonics below the limits provided for by international standards CCIR FCC or ETSI Two major features of PJ300C LCD are compact design and user friendliness Another key feature is its modular concept design the different functions are performed by modules with most connections achieved through male and female connectors or through flat cables terminated by connectors This design facilitates maintenance and modu
31. tput is enabled from menu 4 or in the event the machine is already set to ON and energised 2 Ensure that machine is not in a locked out state Press the ESC key chap 6 1 to call up the selection screen Menu 3 Highlight Fnc and press ENTER 10 26 Rev 1 0 15 12 06 User Manual RaW Ra P J 3 00 C L CD ELETTRONICA to confirm chap 6 1 and access the appropriate menu menu 4 If LOC is set to REMOTE machine remote control move cursor to LOC and press ENTER chap 6 1 label will change to LOCAL i e local control operation mode In the same menu ensure that power limiting is disabled if PWR is set to OFF i e power output is disabled move cursor to PWR Press ENTER chap 6 1 9 and label will switch to ON i e power output enabled Press ESC chap 6 1 twice to go back to the default menu menu 1 3 B d Fine tune power setting from menu 2 see description of item 1b until achieving the desired value WARNING Machine is capable of delivering more than rated output power 300 W however never exceed the specified power rating D NOTE Exciter drive power setting should never exceed 20W or it will trigger an Overdrive Alarm NOTE If power is set to O W in the edit mode the INTERLOCK OUT contact chap 6 2 trips and external exciter power is immediately inhibited Next you can review all operating parameters of the machine through the management firmware Normally the machine ca
32. ut powers the machine s RF amplifier The power supply also features stabilizers for generating continuous 5 V and 18 V voltages for supplying the other equipment circuits Note that the power supply is a direct from mains type or rather itis without a transformer and it can be connected to any voltage between 90 and 260 V without any adjustments or manual settings 8 2 Panel board The panel board accommodates the microcontroller that runs the machine control software and all user interface elements display LED s keys This board is interfaced with other machine modules via flat cables and provides for power supply control signals and measurement distribution 8 3 Power Amplifier The final power stage is enclosed in a totally shielded metal container fixed to the central part of the device The RF signal coming from the main board reached the pilot it come amplified and sent to the final stage which takes care of final amplification up to 300W The amplifier is made with one SD2942 and one attenuator of 6dB SOW In addiction to the actual RF amplification this circuit carries out the following functions e Control of the power level in output depending on the setting e Reduction of the power supplied when in presence of high level reflected power Measure of the input power ensemble the control board Measure of the forward and reflected power by means of directional couplers Measure of the current absorbe
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