POS-1000A+ User Manual
Contents
1. POS 1000A POS 1000A JUUN JUULI u JUUUUUUU0UUUUUU l JUSUUUSUOUUUUOUL JUUUUUUUUUUUUOUL User Manual l of 18 POS 1000A Contents 1 General Description 3 2 Installation and use Description 4 2 1 Preparation 4 2 2 Use 4 2 3 Front Panel control 5 2 4 Software control 9 3 External Description 10 3 1 Front Panel 10 3 2 Rear Panel 11 3 3 Connector Description 12 4 Technical Specifications 13 4 1 Physical specifications 13 4 2 Electrical specifications 13 5 Working Principles 14 5 1 Power Supply 14 5 2 Regulate Board 14 5 3 LCD Board 14 5 4 Fuse Board 14 5 5 Control Board 14 5 6 Interface Board 14 5 7 Coupler power input Board 14 5 8 Power Amplifier Board 15 5 9 LPF Board 16 6 Internal Description 16 6 1 Top View 16 6 2 Bottom View 17 7 Web browser application 18 User manual V1 2 www posbroadcast com 2 of 18 POS 1000A 1 General Description The POS 1000A is an FM amplifier for Frequency in the band between 87 5 and 108 MHz and output RF power adjustable up to a maximum of 1000 W The POS 1000A was designed to be modular Its various functions are run from modules directly connected to each other with male and female connectors or with flat cables ending in connectors This type of design makes maintenance operations and any required module replacement easier All models are made with SMD technology This amplifier contains a low pass filter that reduces the harmonic emissions to2. 11 Power amplifier SD2942 X 3 12 Power Splitter 13 Fuse board 14 Coupler power input board 15 Blower Se ee Da User manual V1 2 www posbroadcast com 16 of 18 POS 6 2 Bottom view POS 1000A The figure below shows the view from bottom the machine 1 Blower 2 Heat sink 3 Interface board User manual V1 2 www posbroadcast com 17 of 18 POS POS 1000A 7 Web browser application You can monitor and configuration all parameter to transmitter via web browser It easy to connect anywhere and update status your transmitter Please see application on www posbroadcast com telemet POS Performance feature Model POS Link a eT FEATURE www posbroodcost com x Google Items Station On Time Station ID Power ON AIR Frequency MHz Modulation Level Signal Level Left Signal Level Right Frequency Lock Power Forward Output Watts Power Reflect Output Watts PA Temperature C PA Voltage V PA Current A User manual V1 2 Easy to direct web browser Connect via TCP IP 10 100 Mbit Ethernet Monitor and setup parameter Support R5232 to 2 input and 2 out Remoter AC power supply ON OFF Switching power supply Compact size only 1U 19 rack Stainless steel box Low cost Easy installation A l JL Network Monitoring System On Time 0 Day 0 Hour 51 Minute 27 Sec FM Exciter 0 Day 0 Hour 1 Minute 50 Sec
3. Ground of amplifier connect to earth Mains supply 180 240V 50 60 Hz Grid for the intake of the air flow of the forced ventilation User manual V1 2 www posbroadcast com ll of 18 AC A POS 1000A 3 3 Connector Description 3 3 1 RS 232 Type DB9 female 3 3 2 Remote Type DB15 female CO0000000 o000000 OMONOORWND G Z U INTERLOCK IN Frequency lock GND GND NC Forward Reflect PA voltage CONOOBRWDNDH INTERLOCK OUT NC GND GND Modulation level PA temperature PA current User manual V1 2 www posbroadcast com 12 of 18 POS 1000A 4 Technical Specifications 4 1 Physical specifications Panel size Depth Weight Working Temperature 4 2 Electrical specifications General RF output power RF output connector RF output impedance Frequency range Harmonics suppression A C power supply Power consumption Input RF input power requirement RF input connector RF input impedance Output RF Out RF test Connections Interlock connector Serial interface Remote 483 mm 19 x 134 mm 5 1 4 3U 610 mm 24 32 Kg 0 C 50 C O to 1000 W adjustable 7 16 type female 50 Ohm 87 5 MHz 108 MHz gt 65 dBc 180 V 240 V 1600 VA lt 15 W N type Female 50 Ohm 7 16 type female 50 Ohm BNC connector 60 dB 2 BNC DB9 female RS232 DB15 female User manual V1 2 www posbroadcast com 13 of 18 POS
4. www posbroadcast com y Search 7 FM Ne EASY TO MAINTENANCE All module engineering ensures extreme tase of access and simple maintenance INTERFACE CONTROL All parameter control feed to microprocessor programmed from front menu or vie R5232 with window softwere WEB SOLUTIONS These operations are oechieveble remotely using a few instruments cuch at any web browser any SNMP browser a modem all easy to find SMD Technology The SMD technology design ensures reliable operation protection and performance under any operating More gt FM Amplifier 0 Day 0 Hour 10 Minute 58 Sec 11501 ON 18 of 18
5. 1000A 5 Working Principles 5 1 Power Supply POS 1000A power supply is a switching type of unit and its main 12V 8A and 48 V 32A output feeds the RF amplifier and regulate broad of the machine The power supply is connected to voltage between 180 and 240 V without having to make adjustments or manual settings 5 2 Regulate Board The regulate board for generating continuous 5 V and 12 V voltages for powering the other circuits on the device are present on the power supply 5 3 LCD Board The LCD board contains the microcontroller PIC18F458 that implements the machine s control software the display and the other components needed to interface the user The board interfaces with the other machine modules both for power supply distribution and for the control and measures 5 4 Fuse Board The fuse board contains the fuse current temperature and voltage sensor The board interfaces with the other machine modules both for power supply power amplifier and for the control This circuit carries out the following functions e Measures current and voltage e Measures temperature 5 5 Control Board The control board contains the measure and control parameter forward reflect voltage current temperature bias etc The board interfaces with the other machine modules both for LCD and power amplifier board 5 6 Interface Board The interface board needed to interface from LCD board and external machine for setup or monitori
6. below the limits allowed by international regulations and can therefore be used as a transmitter connected directly to the antenna The microprocessor system includes an LCD display and push button panel for inter action with the user and implements the following functions e Setting the output power e Measurement and display of the working parameters of the amplifier The amplifier s management software is based on a menu system The user can navigate between the various submenus by using four push buttons UP DOWN ENTER and ESC User manual V1 2 www posbroadcast com 3 of 18 POS 1000A 2 Installation and use Description This chapter contains the necessary information for installing and using the machine In the event any aspects are not completely clear for example when using the machine for the first time we recommend you carefully read the entire description contained in this manual 2 1 Preparation Unpack the amplifier and before doing any other operation be sure it has not been damaged during transport In particular check that all the connectors are in perfect condition The main fuse can be accessed from the outside on the rear panel Extract the fuse carrier with a screwdriver to check its integrity or for replacement if necessary The fuse to be used is this type 20A 220VAC Check that the POS 1000A switches are in the OFF position The amplifier has one switch for the mains power supply cable and complet
7. ely interrupts the machine s mains power supply Connect the RF output of the amplifier to the antenna cable or to a fictitious load 50 ohm Connect the RF input of the amplifier to the RF output from exciter Connect the mains cable Connect the earth cable 2 2 Use Check that the POS 1000A switches are in the ON position Set the desired power level from the LCD menu User manual V1 2 www posbroadcast com 4 of 18 POS 1000A AC A 2 3 Front panel control The machine is provided with a two line LCD display where a set of menus is shown When turned on the LCD display shows the predefined screen with the graphic representation of the output power level and reflect output power level gt Fwd 1525 W Rfl 1 W To change the menu display select the UP or DOWN push button the screen that is shown in following gt Fwd 1525 W Rfl 1 S DOWN SWR 1 0 gt Power ON l UP DOWN UP DOWN VPA 42 2V IPA 49 5A DOWN TPA 39C gt TGTPA 50C DOWN gt TG FWD 1500 W gt TGRFL 50W UP DOWN 5 Remote power ON ID 11081 User manual V1 2 www posbroadcast com 5 of 18 POS 1000A 2 3 1 Power setting To change the set power level select the menu power as below gt Fwd 1525 W Rfl 1 W Keep the ENTER push button The screen that is show in the modification mode is similar to the following gt Fwd 1525 W gt
8. gt m m m m 885 Rfl 1 W Fwd 1525 W 5 ENTER Delay 3 second gt Fwd 1525 W Rfl 1 W To increase the level press the UP push button and to reduce it press DOWN As the set level increases or decreases the bar becomes longer or shorter to display the current setting When the designed level is reached press ENTER to confirm and exit the predefined menu 2 3 1 RF Power ON OFF To change the RF power ON or OFF select the menu power as below ENTER a SWR 1 0 SWR 1 0 gt Power ON ENTER Power OFF l User manual V1 2 www posbroadcast com 6 of 18 POS POS 1000A 2 4 Software control 2 4 1 Software installation To get the software you can get software by CD Rom or download from www posbroadcast com Then you can easy installation software on your computer refer to Window application 2 4 2 Software monitor When you connect to the transmission via RS232 port and turn on you can open the software by the ways as K POS Broadcast 4 Microsoft Update lt 7 My Bluetooth Places N Set Program Access and Defaults Thinkvantage Productivity Center A AD Windows Catalog E Protel 99 SE FM Exci Program Updates POS FM mnemMmer m W 4 a3 audio Dri m Accessories gt Im Microsoft Office gt Documents ati MOOS Project Viewer gt fm FM Monitor FM Monitor Settings z r n Fe FM Monitor 3 earcl z 3 i z Zi Help and Sup
9. ng 5 7 Coupler Power Input Board This board contains the power input measures from the exciter The board interfaces to the LCD board User manual V1 2 www posbroadcast com 14 of 18 POS 1000A AA A 5 8 Power Amplifier Board The final power stage is enclosed in a totally shielded metal container fastened in the centre of the device The RF signal coming from the exciter sent to the splitter amplifier combiner low pass filter and directional coupler stage that sees to its final amplifications up to 1000W The amplifier is made in three modules Every RF module supplied up to 350W This active device used in amplifier module is a Mosfet SD2942 These amplifier modules combine with Wilkinson Splitter and Combiner in strip line 5 9 LPF Board This board is mean Low Pass Filter LPF is function is to suppress the harmonic components generate by the amplifier below the level required by regulations This board includes a direction coupler is function is the measurement of the forward reflect output power and RF sample at 60dB User manual V1 2 www posbroadcast com 15 of 18 p O POS 1000A 6 Internal Description 6 1 Top view The figure below shows the view from above the machine 1 2 3 4 5 6 7 Noise filter Power supply 12V 8A Regulate board Power factor correction unit Power supply unit 32A 48V Control board LCD board Directional coupler Low Pass Filter 10 Power Combiner
10. port Low Po Run POS Low o LOY amplifier Log Off Kittisak Turn OFF Computer Windows XP Professional E POS Broadcast Win After click open the software FM Monitor you can get the symbol on bottom right on your computer Connected to transmitter FREQUENCY MHz 164 Ob IF WARD TARGET Ta a EFLECT TARGET w MF PROTECTION C er Management User manual V1 2 FM Monitor symbol Connect to transmitter PFo5 5000 M V1 0 LON x oF L 4 E ve See 1 30 Can not connected to transmitter FREQUENCY MHz 1200 00 IRWARD TARGET W v4 4 EFLECT TARGET w MP PROTECTION C FM Monitor symbol Can t connect to transmitter P05 5000CM 1 0 er Management E EN 7 iia a www posbroadcast com 7 of 18 POS 1000A FM Monitor By POS Broadcast POWER ID a 11078 FREQUENCY MHZ Fen tare RF POWER Temperature i ON AIR FORWARD CW Y PA volt DORER TOOS EEA REFLECT TARGET w Pawer Oy WHW oostraaacast COT 2 4 3 Software configuration You can set the value as you re requested Then click SET The parameter will be show and change on LCD of the transmission e Power set gt ON the RF output of transmission is on OFF the RF output of transmission is standby e Frequency set gt only for build in exciter model e Forward target set gt the values for RF output of transmission limit e Reflect ta
11. rget set gt the values for maximum RF power reflect of transmission protection limit e Temp protection set gt the values for maximum temperature of transmission protection limit User manual V1 2 www posbroadcast com 8 of 18 SEs z7 7 a d ii j P a Fe oa Q y 1 p 5 i Aaa Ae POS 1000A The value from software FM Monitor should be related to LCD of transmission FM Monitor By POS Broadcast POWER ID 11078 FREQUENCY MHz Freq Lock a LEFT RIGHT RF POWER Temperature C FORWARD 0N W PA volt REFLECT WW PA Amp Pawer OY was OOS OOC ast Cont User manual V1 2 POWER ON www posbroadcast com LCD display Remote power ON ID 11078 Only set for exciter build in LCD display gt TG FWD 5000 W gt TG gt TG RFL LCD display TPA TPA 90 W 39 C v0 C 9 of 18 3 External Description 3 1 Front Panel SMITTER 0 POS 1000A 0 000 J0UVCUOL JUVUUUUU0UUUUUUU i JUVUUUUUOUUUUOUU JUUUUUUUUUUUUOUU 1 AIR FLOW 2 POWER 3 ON 4 LOCK 5 ALARM 6 RE ON 7 UP 8 DOWN 9 ENTER 10 ESC 11 DISPLAY User manual V1 2 11 This chapter reports the elements of the front and rear panels of the POS 1000A with a brief description of each of them Grid for the intake of the air flow of the forced ventilation ON OFF switch This
12. switch disables the amplifier without disconnecting the mains supply Green LED light when the amplifier is working Not used for this transmitter Red LED light when the alarm function is operating Low power high reflect power high SWR or high temperature Green LED light when the amplifiers power output is on Push button to increase value Push button to decrease value Push button to confirm a parameter Push button to exit from a menu Liquid crystals display www posbroadcast com 10 of 18 ARC Ae POS 1000A 3 2 Rear Panel i l JU UUUUU J CO JU 00 JU US i l J J U 1 AC FUSE1 2 RF OUTPUT 3 RF TEST 4 RF INPUT 5 REMOTE 6 RS232 7 INTERLOCK IN 8 INTERLOCK OUT 9 GND 10 AC INPUT 11 AIR FLOW RF OUT 10O Ls 90001 UUCUVUU UU 000000000000000000 0000000000000 Fuse holder Use a turn to access the fuse Contains the general protection fuse rated 20 A 220VAC RF TEST RF output connector 7 16 type female 500 RF output approx 60 dB of the RF output power level RF input connector N type 500 for RF input from exciter DB15 connector for telemetry of the machine DB9 connector for interconnection with other devices and for parameters programming BNC interlock in connector the amplifier is forced in stand by mode when the inner conductor is grounded BNC interlock out connector the inner short to ground when Power OFF
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