OM POWER OM2000A+ Manual Download Page 8 | Manualshive

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8

Top view on the opened

Tetrode

FU728F

Blower Power Supply Board

Switch-ON Board

Output Pi-L Circuit Tuning Capacitor Front Subpanel

HV

transformer

3.2. Power Supply

This Power amplifier uses one 3 KVA toroidal transformer. A soft start is provided using relays and
resistors (placed on the switch-ON board). The high voltage is made by combining 4 x 575V AC (total

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Summary of Contents for OM2000A+

Page 1: ...1 MADE IN SLOVAKIA WWW OM POWER COM OM Power s r o 93030 B 126 SLOVAKIA Contact 421 905 321 410 e mail om power om power com e mail om power om power com OM2000A SHORTWAVE PLUS 50 MHz POWER AMPLIFIER...

Page 2: ...NERAL DESCRIPTION 7 3 1 HF Compartment 7 3 2 Power Supply 8 3 3 Safety Devices 8 4 INSTALLATION 9 4 1 Grounding 10 4 2 Coaxial Cable 10 4 3 Control Cable 11 4 4 Cooling 11 5 OPERATION 12 5 1 OM2000A F...

Page 3: ...ging OM2000A connection settings 42 7 5 2 Setting up in the Remote software 43 7 5 3 Remote Control without own IP Address behind a router 44 7 6 OM2000A firmware upgrade 45 7 7 Icom connection with O...

Page 4: ...ls Input Power Usually 40 to 60W for full Output Power Input Impedance 50 Ohm VSWR 1 5 1 Power Gain 15 dB Output Impedance 50 Ohm unbalanced Maximum Output SWR 3 1 SWR protection Automatic switching t...

Page 5: ...mmable working modes of the centrifugal blower turbine axial blower Full QSK with silent relay Many operational parameters to display Easy transport due to detachable HV transformer The smallest and l...

Page 6: ...O SHORT OR BYPASS safety switch under upper lid The OM2000A amplifier should not be used in a WET or HUMID environment or be exposed to RAINFALL Do not turn the amplifier ON without having connected t...

Page 7: ...ng installation and operation to avoid damage to the amplifier not covered by manufacturer s warranty Do not attempt to perform any change of hardware or software 3 GENERAL DESCRIPTION 3 1 HF Compartm...

Page 8: ...Board Output Pi L Circuit Tuning Capacitor Front Subpanel HV transformer 3 2 Power Supply This Power amplifier uses one 3 KVA toroidal transformer A soft start is provided using relays and resistors p...

Page 9: ...Volts for US models you need to set the correct transformer tap before first starting the PA See part 7 1 for more information Other primary voltage is possible on request for example 200V 50 60 Hz fo...

Page 10: ...d With poor grounding you may risk damaging your equipment have problems with TVI BCI or possible distortion of your transmitted signal 4 2 Coaxial Cable The output of the transceiver is to be connect...

Page 11: ...your TCVR set the delay to 10ms please The amplifier is equipped with safety devices which ensure that the output relay is not switched under power mistakenly hot switching KEY IN RCA Phono Input sig...

Page 12: ...ensation may develop This condition could result in damage to the high voltage circuits We do not recommend changing antennas during a transmission Hot switching When you decide to have a short operat...

Page 13: ...trol touch buttons are visible on the bottom line Remember that the home touch screen is active for some information and control settings while the PA is still OFF BAND Touch the left side of BAND but...

Page 14: ...to go back to the home screen Now press SETTINGS This display shows various menu settings for CAT NO CAT ANTENNA DISPLAY EBS CLEAR user settings for one or all bands BLOWER mode and other INFO Type o...

Page 15: ...cts transmit frequency from the input signal With the input signal frequency changing the PA automatically reacts and tunes itself to optimal output parameters If NO CAT is used we recommend using BAN...

Page 16: ...green squares To disable some square select port up down touch SET for antenna name and then select band left right Press SET Four types of antennas for four different bands were disabled Black square...

Page 17: ...o OWN CALL Press SET for your call sign edit The keyboard displays Type your call sign and press ENT Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type of supp...

Page 18: ...P Address Network mask Default gateway Port number User can enable or disable IP parameter setting via LAN connection Type of supported TCVR and working frequency are visible on the display AUTO LED i...

Page 19: ...ut power where EBS starts working Default EBS value is 0 1 W We recommend turning EBS ON A significant feature of using EBS is PA operating temperature reduction NOTE If you are not using compression...

Page 20: ...g all of the previous PA INFORMATION screen plus the addition of one more touch key to enter the UPGRADE mode UPGRADE touch button should ONLY be used if the EEPROM or firmware files or both will be u...

Page 21: ...quired 180 seconds is complete before placing the amplifier in OPERATE Mode After heating is completed the PA will light the STBY mode indicator and this Main display will appear NOTE If CAT or ANTENN...

Page 22: ...e preprogramed antenna for that band The Menu display allows the user to go deeper into the SETTINGS mode MEASuring mode or SERVICE mode Press SETTING button Type of supported TCVR and working frequen...

Page 23: ...is the actual physical setting of the primary voltage tap It is just information for the processor which protects the permitted limits up or down for a given value of the primary voltage protection ci...

Page 24: ...h may show one of the user selectable 8 monitored parameters Select the wanted parameter from the list at the bottom of the screen and press SAVE NOTE Follow these steps to populate BARG2 and BARG3 as...

Page 25: ...OW or SET depending on the line We selected last 20 WARNINGS to show Press EXIT Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type of supported TCVR and workin...

Page 26: ...ows user to switch OFF the SWR This feature allows the user to switch OFF the SWR protection We recommend to set it ON SWR protection circuit will stay active max allowed SWR is 3 1 If OFF is selected...

Page 27: ...the light indicator on the touch Screen has changed to OPERATE Press MENU Now try to press PTT foot switch for example We are now in TRANSMIT mode without RF Note the new TRANSMIT light indicator on t...

Page 28: ...the 0 to 20mA range At that time maximum efficiency and optimal linearity are achieved This applies to each power application It is not necessary to retune the PA if we decrease the output power The P...

Page 29: ...e the case that the PA cannot deliver the full power 2000W or some of the protection circuits may be automatically activated In such cases we recommend doing a manual tuning M TUNE The best indication...

Page 30: ...put power and the PA Screen current is inside 0 20mA then press the SAVE button Notice 1 If the tuning process takes more than 1 minute allow for a short break to prevent temperature overloading of th...

Page 31: ...tion See the table above for warning and fault conditions When a fault condition occurs during the tuning or operation of the amplifier the safety circuits will block transmitting The amplifier stays...

Page 32: ...please contact the manufacturer or your local dealer Never try to change or move any part inside the amplifier except the tube or fuses Substitution of parts may void intrinsic safety Manufacturer s c...

Page 33: ...replacing the tube Replacement should be done by a professionally qualified person After tube replacement the automatic BIAS adjustment procedure must be done 6 4 Cleaning To prevent damage to the amp...

Page 34: ...ide of the PA next to the HV transformer there are two PCBs mounted On the left upper side of the front Switch ON board where connector J6 is located Use flat screwdriver or finger and press down care...

Page 35: ...the bottom side of the PA Use Philips screwdriver bit P2 During the release of the last 2 screws hold the transformer by hand Do not worry about its weight it will move down just 1 cm and remains on t...

Page 36: ...the chosen COM port and the transceiver port TCVR DB9 to the OM Power amplifier with a null modem serial cable both ends of the cable have a female DB 9 connector and pins 2 and 3 are crossed You must...

Page 37: ...ors pins 2 and 3 are crossed NOTE A USB adapter equipped with a genuine FTDI chip set is a must Knock off FTDI chip sets do not work properly Now connect the DB9 end of the null modem cable FTDI adapt...

Page 38: ...software which allows controlling the PA OM2000A remotely Download it from the official OM Power website http www om power com downloads The software allows the following controls Switch the PA ON and...

Page 39: ...39 Connection setting Set up TCP IP address and port Connect disconnect to OM2000A...

Page 40: ...40 View last 20 PA faults Anennas Settings Screen selections Minimal view NOTE To return to the normal view from the minimal view just right click with your mouse...

Page 41: ...41 Normal view Advanced view Fine tune screen It is possible to retune the PA TUNE and LOAD remotely See page 29...

Page 42: ...authentication window will show up Leave the fields empty and click OK Open the Network menu and change the IP address Subnet mask Default Gateway and DNS Server settings to the ones given by the inte...

Page 43: ...ware In the Remote Control software open the Manager Settings and enter the IP Address and Port number that you set in point 7 5 1 Press enter when done Now you are ready to work with the OM2000A over...

Page 44: ...ewall Settings depends on router software can be called Forwarding Port Forwarding or something similar As Server IP enter the OM2000A IP Address 192 168 1 211 if you haven t changed it or the one you...

Page 45: ...or Public Port if separate from the port forwarding page Now you are ready to work with OM2000A over the internet 7 6 OM2000A firmware upgrade Download the firmware upgade software and latest firmware...

Page 46: ...Select the Firmware tab and click on the LOAD BIN button Choose OM2000A Vxxx bin file in the OM2000A folder Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type...

Page 47: ...o to the PC and the PIC Loader software and press button the SEND TO LINE button Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type of supported TCVR and worki...

Page 48: ...disappears At the end you will return to the main screen of OM2000A Switch PA OFF disconnect the TCVR serial cable and you are ready to use the OM2000A with the new firmware Type of supported TCVR and...

Page 49: ...49 7 7 ICOM connection with OM2000A...

Page 50: ...50 7 8 Yaesu plus BPF plus ANT Switch connection with OM2000A...

Page 51: ...in out TCVR connector DB 9 male RS232 connection with TCVR For CAT communication connect pin 2 RX D pin 3 TX D and pin 5 GROUND CI V connector Use CI V connection for communication with ICOM type tran...

Page 52: ...CAT communication connect pin 2 TX D pin 3 RX D and pin 5 GROUND KEY IN RCA connector Input signal PTT switching voltage current 5V 2mA KEY OUT RCA connector Output signal PTT maximum switching of 30V...

Page 53: ...bit 3 Pin 9 GROUND Pin 10 CI V SW connect to Ground if you use CI V input on pin 4 Not used for CI V with Jack 3 5mm Pin 11 IC band data Icom Band data input Band data information from ICOM TCVR Pin 1...

Page 54: ...ut BCD Yaesu BAND data compatibile code Use for automatic bandpass filter OM6BPF Pin 13 Not connected Pin 14 GND Pin 15 12V 100mA the same as pin 8 OM2000A can address up to 10 antenna port see antenn...

Page 55: ...55 7 10 Block Diagram of the OM2000A Power Amplifier...

Page 56: ...witch configuration If you want to use an antenna with higher SWR this SWR protection can be switched off page 26 But reflected power will stay checked max 350W Power In is too high Reduce input power...

Page 57: ...ply caused the HARD FAULT then protection is activated and the PA is automatically switched OFF Check HV circuits blocking capacitors and the tube itself Heating voltage error Set up proper transforme...

Page 58: ...you are sure you want a full factory reset press YES After the FACTORY RESET completes the PA is ready for operation Important notice Perform a Factory Reset only if absolutely necessary to clear abno...

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