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www.fmuser.org 

www.fmuser.org 

2.3    (CCU) Remote Control 

CCU has a RS232 interface that can connect to a computer for the remote control 

purpose. The remote computer can read the following datum: 

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Equipments’  type  and  profile,  such  as  nominal  power,  frequency,  number  of 

amplifier modules, maximum power of amplifier module and number of exciters. 

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Machine’s forward power; reflect power; temperature and other working status. 

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Exciter’s  operating  frequency;  forward  power;  reflect  power  and  other  working 

status. 

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Each amplifier unit’s forward power; reflect power; temperature; voltage; current 

and other working status. 

The remote computer can do following controls: 

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RF Switch 

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Setting Power 

We can provide software (not free) running on WINDOWS operating system 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 & Manual 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. 

Summary of Contents for 1KW

Page 1: ...www fmuser org www fmuser org Fmuser org 500W and 1KW Analog TV Transmitter User s Manual...

Page 2: ...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 mas...

Page 3: ...emperature 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...

Page 4: ...clutter ration of low frequency period interference 50dB Sound performance 1 Audio input level 0dBm 6dB 2 Audio input impedance 10K imbalance 600 Balance 3 Maximum frequency deviation 50KHz 4 Harmoni...

Page 5: ...fore 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...

Page 6: ...www fmuser org www fmuser org Contents Safety Notice 4 Special Reminds 4 1 Power on Sequence 5 2 Control System Introduction 7 3 Operation Instructions 10...

Page 7: ...e and body injury 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 pro...

Page 8: ...llustration 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 qualifi...

Page 9: ...by yourself when it s broken down 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 assemble the...

Page 10: ...ww 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...

Page 11: ...es 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 a...

Page 12: ...ly AC220V 10 50Hz AC110V 20 50Hz 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 physi...

Page 13: ...www fmuser org www fmuser org Panel Function Description I Front panel picture 1 Amplifer 2 MODULATER 3 SWITCH POWER SUPPLY 4 POWER SWITCH 1 2 3 4...

Page 14: ...www fmuser org www fmuser org 2 REAR panel function description 1 AC Socket for amplifer Fuse 5A 2 RF input Port 3 RF Output Port 4 AV Input 5 AC Socket for modulator 1 2 3 4 5 6 8...

Page 15: ...anel function description 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 res...

Page 16: ...www fmuser org www fmuser org 6 RF RF power over alarm 7 LCD display Screen 8 key press UP and LEFT light cursor 9 key press ENTER 10 key press DOWN and RIGHT light cursor 11 Power Switch...

Page 17: ...do not change it l The transmitter is AGC controlled when CAN AGE in exciter is ENABLED l When REMOTE of CCU is enabled all parameters of CCU can only be changed remotely l RF SWITCH of CCU is a gene...

Page 18: ...l modules are in normal status 1 3 Set Exciter Parameters Produced by this company Main and backup exciter parameters setting must be identical l Frequency must set to the same frequency as the transm...

Page 19: ...Period Control Enabled If period control is not needed just disable Period Control Period Control Disabled 1 5 Turn on the Power Amplifier l Turn on the Power Supply of the Amplifier PA l Turn on the...

Page 20: ...s 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 Automati...

Page 21: ...acturer 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...

Page 22: ...WINDOWS operating system 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...

Page 23: ...ol is disabled turn RF power on to setting power l 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...

Page 24: ...nominal power l One or more amplifier module is not on line AIn automatic and manual control mode if RF output power reboot it may cause by l Combiner temperature is above 85 l Output power is too hig...

Page 25: ...parameter and ENTER 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 no...

Page 26: ...Main Page 3 3 MAIN PAGE Power Forward forward power display only Percentage forward percentage setting setting parameter Power Reflect reflect power display only Frequency RF frequency reading from wo...

Page 27: ...r keeps constant to setting power l 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 se...

Page 28: ...Forward power is too high Reflect power is too high The temperature of combiner is too high Unbalanced power is too high 3 4 2 Combiner Working Status Forward Power Combiner Forward Power Reflect Pow...

Page 29: ...r of each amplifier 3 4 3 Exciter Working 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...

Page 30: ...failed 3 times consecutively then the power amplifier would turn off the RF permanently until manually disconnect the amplifier s power and then reconnect cold reboot Absent Power Amplifier can not c...

Page 31: ...e 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...

Page 32: ...r org 3 6 Remote control Baud rate Setting remote communications baud rate Address Setting remote communications address Remote Enabled parameters can only be changed remotely Disabled parameters can...

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