Safety Notice - Fmuser FM Radio Station, Television Statioin, low
Contents
1. Hot pluggable design power amplifier and switching power are supporting the Hot plug it s easy to debug and maintenance improve the reliability The fan is built in the chassis the transmitter has a compact structure and a beautiful shape Technical Specifications Overall performances 1 Working frequency UHF 13 48 Channel arbitrary choice 2 Output power 500W 1 KW 3 Output impedance 50 4 VSWR of output load impedance lt 1 12 5 Inter modulation distortion lt 50dB 6 Useless transmission In adjacent channels 40dB Out adjacent channels 60dB 7 RF output interface 40 8 Power supply Three phase 380V Power Consumption 2 5K W 9 Shape size 1070mmx667mmx955mm 10 Weight 150KG mage performance 1 Video frequency input level 1 Vp p positive polarity 2 Video frequency input impedance 75 3 DG 5 4 DPU 5 www fmuser org www fmuser org 5 Luminance nonlinear lt 10 6 Group delay lt 60ns 7 Signal to clutter ration of low frequency period interference gt 50dB Sound performance 1 Audio input level 0dBm 6dB 2 Audio input impedance 10K imbalance 600 Balance 3 Maximum frequency deviation 50KHz 4 Harmonic distortion lt 1 5 The amplitude frequency characteristics 1dB 6 Signal to clutter 260dB www fmuser org www fmuser org Please noticethis 1 Read safety notice first 2 A 50 Ohm dummy load or antenna and cable must be connected befor2. in manual control mode In extreme case the system will powered off for protection 2 5 RF Output Control 2 5 1 CCU RF Switch When RF Switch is off turn off RF power and power supply When RF Switch is on and Period Control is disabled turn RF power on to setting power When RF Switch is on and Period Control is enabled RF power is controlled by Period Control function see Period Control 2 5 2 CCU Period Control When RF Switch is on and Period Control is enabled the control method is as follows The system reads current time through RTC and check whether current time is falling into any of the three periods If yes turn on RF power to its period setting power else turn off RF power A period is invalid if start time is greater than or equal to end time Invalid time period is ignored in Period Control Current time will never fall into an invalid period If three periods are all invalid turn RF power off for ever Invalid period is useful when only one or two period is needed It is suggested that disable Period Control before correcting date and time or changing period s start and end time to avoid instantaneous undesired RF Switch on and off www fmuser org www fmuser org 2 6 System Protection A In automatic control mode if RF output power is not able to reach to setting power it may cause by Combiner temperature is above 70 Combiner s reflect power is above the warning value more than 2 of t
3. Reflect power is too high The temperature of combiner is too high Unbalanced power is too high 3 4 2 Combiner Working Status COMBINER Forward Power Reflect Power Temperature C Module forward power i ER ones T oe Forward Power Combiner Forward Power Reflect Power Combiner Reflect Power Temperature Combiner Temperature www fmuser org www fmuser org Module forward power The Forward Power of each amplifier 3 4 3 Exciter Working Status EXCITER A Forward Power Reflect Power Ferquency On Air Le R fe my mq STATUS Forward Power Exciter Forward Power Reflect Power Exciter Reflect Power Frequency Exciter working frequency On Air ON Exciter s RF power turned on OFF Exciter s RF turned off L Exciter left audio R Exciter right audio www fmuser org www fmuser org 3 4 4 Power Amplifier Working Status MODULE A Status Forward Power Reflect Power Temperature Voltage Current Il 12 A B A 14 A NU 0 __s STATUS Status Working Power Amplifier is working normally Booting Power Amplifier is booting Blocked Power Amplifier is on protecting status Because of the self protection it would be rebooted and turns on the RF in 10 seconds when extremely case occurs If the reboot failed 3 times consecutively then the power amplifier would turn off the RF permanently until manually disconnect the amplifier s power
4. Supply of the Amplifier PA Turn on the RF Switch RF Switch ON 1 6 Adjust RF power For automatic control just set power in CCU For manual control increase exciter s power slowly meanwhile watch RF power and other information displayed on CCU s LCD www fmuser org www fmuser org 2 System Control Introduction 2 1 Main Control F unction Data collection and display from 6 amplifiers which include voltage current temperature running status forward power and reflect power Combiner data acquisition and display which include temperature forward power and reflect power Data collection and display from 2 exciters which include frequency exciter working status forward power and reflect power Amplifier modules and exciters on line detection RF power control and power supply control 2 2 System Internal Network Internal network is built through CAN bus CCU amplifier modules and exciters are connected on the CAN bus on which the CCU read information from amplifier module s and exciter s and control the exciter s power to make the machine s Automatic Power Control work Each unit on the CAN bus have a unique CAN address and the setting rules are as below Exciter A 1 Exciter B 2 Power Amplifier Unit A 3 DIP switch Power Amplifier Unit B 4 DIP switch Power Amplifier Unit C 5 DIP switch If there is no corresponding unit or use the other manufacturer s exciter the corres
5. and then reconnect cold reboot Absent Power Amplifier can not communicate with CCU Forward Power Forward Power of the module Reflect Power Temperature Voltage Current Reflect Power of the module temperature of the module Amplifier s power supply voltage 48V 32V Each power amplifier unit has four amplifier modules this column is used to display the current of these four amplifier modules www muser org www fmuser org 3 5 Time amp Period Control TIME PAGE Date ip ea Time On Period Power Time control PO O N g STATUS TIME PURANETER N Date Set date or display date The format is YY MM DD DAY Time Set time or display time The format is HH MM SS Time Control Enabled Time Period Control is enabled Disabled Time Period Control is disabled Period setting There are three time period in one day the format is as follow Start Time End Time Period Power Period1 HH MM HH MM 0 100 Period2 HH MM HH MM 0 100 Period3 HH MM HH MM 0 100 Comment for detail information about time period control refer to System Control section www fmuser org www fmuser org 3 6 Remote control Baudrate Address Remote my 0 Baud rate Setting remote communications baud rate Address Setting remote communications address Remote Enabled parameters can only be changed remotely Disabled parameters can be changed only locally www fmus
6. citer redundancy design the main exciter and its spare exciter can switch automatically the spare exciter is optional When the main exciter broke down it can switch to the spare exciter uninterrupted The power amplifier redundancy design multiple amplifiers integrated the modules of PA are high consistency These two exciters are the spare one with each other and can exchange easily www fmuser org www fmuser org The power supply redundancy design parallel current sharing power from multiple switching power supply the computer can monitor power supply s working condition and adjust its working condition automatically The management and monitoring are intelligent and on network it has the external PC interface It has the technical data detection monitoring systems and full featured computer control software with auto diagnostic function All technical parameters can be read through the LCD display panel Comprehensive protection measures can reduce the damage of equipments This machine has protection about no video VSWR is too large overheating over stimulus missing phase protection and lightning protection The switch has protection about overvoltage over current under voltage over temperature short circuit and lightning protection All power supplies are switching power supplies high efficiency excellent regulator range strong adaptable from the change of the external voltage It adopts modular design concept
7. dummy load or antenna Amplifier modules to combiner Divider to amplifier modules Switcher to divider Exciters to switcher Main exciter to backup exciter Audio to main exciter and backup exciter Communication cables CCU LOCKOUT to Exciter LOCKIN Power cable 1 2 Turn on System Control P ower Check running status in STATUS display page Make sure all modules are in normal status 1 3 Set Exciter Parameters Produced by this company Main and backup exciter parameters setting must be identical Frequency must set to the same frequency as the transmitter allowed Modulation deviation 75KHz Pilot deviation 7 5KHz Audio Input depends on audio source Audio Gain adjust audio level according to its input level Adjusted audio level should be around 0dBm Power Percentage 0 Period Control disabled Remote Control Remote enabled for power automatic control Remote disabled for power manual control RF Switch ON If other manufacturer s exciter is used refer to operation manual they provided www fmuser org www fmuser org 1 4 Set CCU parameters Turn off RF Switch RF Switch OFF Power Percentage 0 100 Period Control If period control is needed set three periods first and then enable Period Control Period Control Enabled If period control is not needed just disable Period Control Period Control Disabled 1 5 Turn on the Power Amplifier Turn on the Power
8. e turning power on Avoid water going into the connecters or the cable 3 Exciter s operating frequency must be set to the same frequency of the transmitter 4 Please read System Control Logic section to understand how the system works 5 Setting all parameters before turning on amplifier s power Pleaseread the Power On Sequence section www fmuser org www fmuser org Contents Safety N OtiCO nen nnn n neon annen snes sens dend annen 4 Special RemindS 4 1 Power on Sequence 5 2 Control System Introduction 7 3 Operation Instructions 10 www fmuser org www fmuser org Safety Notice 1 1 Please read the following safety points in order to avoid accidents and prevent connectors to be broken 1 2 Only the qualified maintenance workers can operate the device efi Erererbiem finere berriri a Use proper power cord Other wise it may cause the fire b Connect the machine to ground through a wire with resistance less than 4 Ohm to prevent from electrical shock c Use the proper fuse d Keep good ventilation nS erb ireren bie er APPR Ph veere SPE eine br ker fetoras send to the professional service department to solve the problems 1 5 Please don t install the machine in the moisture place www
9. er org
10. ers When click on the displayed setting parameter buttons are visible and setting parameter is displayed in reverse video indicating the parameter is in editing Use UP har and DOWN lad button to change parameter and ENTER T to confirm and save it Click any other area to cancel current editing and restore its old parameter value When click on display only item or title or any empty area buttons are not visible and the system does nothing So distinguish whether the parameter is a setting parameter first But not worry about this because you can try to click anywhere on the LCD and setting parameters are also specified bellow in each page i UP or increase when press and hold for a longer time it speeds up It s very useful when using it to change wide range parameters T ENTER Confirm and Save edited parameter lad DOWN or decrease when press and hold for a longer time it speeds up www fmuser org www fmuser org 3 2 System Boot up During the system boot up company logo is displayed until system boot up finish After system booting up it enters to Main Page 3 3 MAIN PAGE MAIN PAGE Forward Power KW Percentage Reflect Power W Frequency MHz RF Switch Le R een ke TEE atin MAIN STATUS REMOTE Ni Power Forward forward power display only Percentage forward percentage setting setting parameter Power Reflect reflect power display only Frequency RF frequency reading
11. fmuser org www fmuser org Please notice this 1 The 50Q dummy load or antenna and cable must be rightly connected carefully keep away water into connecters and cable 2 The design of the transmitter is an integral structure It gathers the whole display operation on the LCD display screen completely realized the software the operation is very simple and rapidly Please ensure you have read through the following statement about the software s use illustration before you turn on the equipment Safety Notice 1 Please read the following safety points in order to avoid the accidents and prevent the connecting machines to be broken 2 Only the qualified maintenance workers can operate the service gt PREFEPAERE AR erite PRP ernie e Use the proper wire If not it will cause the fire and the bodily injury f Ensure the machine connect the ground Please confirm whether the machine has connected the ground through the wire and the lead to prevent the electric shock g Use the proper fuse Please use the stipulated type and rating fuse h Provide good ventilation This machine adopts the natural www fmuser org 5 www fmuser org convective radiation Fix it correctly to keep it radiating well PAPPPE ferin BRERA ere rereh Pri v rre eer iit Preiser fpr Please send to the professional service department to solve the problems CAUTION Please don t assemble the machine in the moist environment Please don t a
12. from working exciter display only L R Audio bar indicating modulating deviation display only For TV transmitter the main pageis slightly different from this 3 4 STATUS PAGE www fmuser org www fmuser org STATUS PAGE i Reboot Combiner _ BxciterA ExciterB ModuleA ModuleB Mode ModueD Module Moduler 1 E E E Moduler n n STATUS a This page display running status of all components Click on status block can enter to corresponding component page to see its detail information Different color of each component indicate its running status it is defined as follow A J Blue al mM Yellow Module A Module A Normal status Warning status ModuleA Red Mois GreyL Not online status Critical status Normal status system is running in good condition RF output power keeps constant to setting power Warning status component has some thing wrong see parameter s color in the component by clicking on the component block RF output power remains but may not reach setting power Critical status RF power will reboot Not online status Indicate the component is absent or not connected properly or not powered on or severe communication error occurs RF output power will drop or turn off 3 4 1 Reboot Reason www muser org www fmuser org REBOOT REASON Last reboot reason Last Reboot Reason No reboot Forward power is too high
13. he machine s nominal power Unbalance power the power difference between the maximum output power and minimum output power from all the power amplify modules above the warning value more than 25 of Power Amplifier s nominal power Power of individual amplifier module above the warning value more than 2 of Power Amplifier s nominal power One or more amplifier module is not on line A In automatic and manual control mode if RF output power reboot it may cause by Combiner temperature is above 85 Output power is too high more than 5 of the machine s nominal power Reflected power is too high more than 4 of the machine s nominal power Unbalance power is too high more than 30 of the power amplifier s nominal power Power of individual is too high more than 5 of the power amplifier s nominal power A In automatic and manual control mode if RF output power can not reboot again it may cause by Three times failure of power reboot in 10 minutes Other hardware reasons A The only way to run the system properly again is to turn off system control power and amplifier s power and then turn on again www fmuser org www fmuser org 3 CCU Menu Operation 3 1 General Descriptions The CCU LCD display is divided into 4 functional pages Main Page Status Page Time Page and Remote Page Touch screen is used to get through all functions Three hidden buttons is used to set and select paramet
14. ponding CAN address is reserved If the exciter breaks off from the CAN bus the machine s Automatic Power Control can not work If an amplifier module breaks off from CAN bus the central control unit will regard forward power and reflected power of the amplifier as zero Consequently CCU www fmuser org www fmuser org unbalance power control strategy will be deployed Other manufacturer s exciter can be used but can not be connected on the internal CAN bus network not matter there is a CAN interface or not due to the restriction of the internal communication protocol You can confirm if a unit is connected on the CAN bus through the status display page on CCU s LCD www fmuser org www fmuser org 2 3 CCU RemoteControl CCU has a RS232 interface that can connect to a computer for the remote control purpose The remote computer can read the following datum Equipments type and profile such as nominal power frequency number of amplifier modules maximum power of amplifier module and number of exciters Machine s forward power reflect power temperature and other working status Exciter s operating frequency forward power reflect power and other working status Each amplifier unit s forward power reflect power temperature voltage current and other working status The remote computer can do following controls RF Switch Setting Power We can provide software not free running on WINDOWS operating sy
15. put 5 AC Socket for modulator www fmuser org www fmuser org 6 DC controling line 7 AC Connector 220V 8 DC Connector red black 2 PA Front panel function description J Ae t E le 34 Qa 1 POWER power supply OK 2 MODULATER Modulater POWER supply OK 3 VOLTAGE PA VOLTAGE over alarm 4 CURRENT PA Current over alarm 5 V S W R VSWR is 1 30light 1 50 transmitter restart After restart three times if the alarm condition do not unchain The transmitter will wait for checking www fmuser org www fmuser org 6 RF RF power over alarm 7 LCD display Screen 8 key press J UP and LEFT light cursor 9 key press CD ENTER 10 key press 4 DOWN and RIGHT light cursor 11 Power Switch www fmuser org www fmuser org Special Tips Turn on RF power after setting all other parameters CAN address of exciters and amplifier modules are set in factory please do not change it The transmitter is AGC controlled when CAN AGE in exciter is ENABLED When REMOTE of CCU is enabled all parameters of CCU can only be changed remotely RF SWITCH of CCU is a general switch To use period control on CCU set period first and then enable PERIOD CONTROL and finally set RF SWITCH on Always disable exciter s period control function www fmuser org www fmuser org 1 Power On Sequence 1 1 Check all connections Combiner to
16. ssemble the machine in the easy exploding environment Please don t repair by yourself If you have any other questions please connect with us www fmuser org www fmuser org Overview This series TV transmitter is an excellent product that owns the highest and newest technology The whole machine adopts the latest TV signal processing technology www fmuser org www fmuser org Display This series TV transmitter displays the operation parameters of the modulator on large LCD screen in real time Its particular FOUR KEY design you can conveniently and fast modify view the operation parameter and the statement of the transmitter in any time www fmuser org www fmuser org Technical Specifications Technical Specifications 1 Power Supply O AC220V 10 50Hz O AC110V 20 50Hz O FULL RANGE 2 Heat Abstraction Forced Convection 3 Output Power Adjustable Continuous to rate power 4 Output Impedance 50 5 RF Output Linker Standard N 50 or 7 16 physical property 1 Temperature Range 5 C 40 C 2 Relative Humidity O 95 3 Height Above Sea Level O 4500m www fmuser org www fmuser org Panel Function Description I Front panel picture 1 Amplifer 2 MODULATER 3 SWITCH POWER SUPPLY 4 POWER SWITCH www fmuser org www fmuser org 20 REAR panel function description 6 3 3 8 n 5 11 2 a 1 AC Socket for amplifer Fuse 5A 2 RF input Port 3 RF Output Port 4 AV In
17. stem for remote control and also provide protocol in order for customer to embed our system in their remote control system Our company s exciter can also be individually controlled remotely but we strongly recommend using the remote control interface of CCU as the only remote control interface If other manufacturers exciter is used remote system can not read the related information of the exciter through the CCU CCU s parameters can not be changed locally when remote control is enabled refer to remote page operation 2 4 Automatic Power Control amp M anual Power Control Automatic Power Control means to maintain a constant transmission power under normal working condition In abnormal working condition CCU tries to keep the output power as high as possible but the first thing is to keep the transmitter in safety condition Only with ZHC s exciter the Automatic Power Control function is able to work www fmuser org www fmuser org The Automatic Power Control function is enabled when exciter s CAN AGC is set to enabled otherwise the system is in Manual Power Control mode In manual power control mode the output power is not controlled by CCU CCU can not control exciter s power So the machine s output power would be fluctuated with the temperature or other factors change In the abnormal working condition the system will not automatically reduce its output power because the exciter s power is out of control
18. www fmuser org Fmuser org 500W and IKW Analog TV Transmitter User s Manual www fmuser org www fmuser org Overview This product is the all solid state Single channel TV Transmitter it adopts professional TV exciter and it can use the single duel exciter configuration switching automatically This transmitter has a variety of linear and non linear pre correction function carrier frequency offset and precision bias with external precision reference source function It can prefabricate and control the half power output and it has remote control telemetry interface The power amplifier used LDMOS FET the analog and digital are both compatible and it used high quality switch parallel power The power amplifier and power supply are both used hot plug devices The power loss and standing wave of the one time synthesis power combiner is small The module of power amplifier display the working parameters in real time The whole machine has the protection of over current over temperature over power and over standing wave ratio The master touch screen displays the working parameters of the whole machine and the module of power amplifier PA in real time The 1KW transmitter is installed in one 19inch chassis it s suitable for medium or small TV station Features The whole machine is single channel image with audio together The redundant configuration design can reduce the rate of inactive to zero The ex
Download Pdf Manuals
Related Search