OM POWER OM2501HF Скачать руководство пользователя страница 29 | Manualshive

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OM POWER OM2501HF Скачать руководство пользователя страница 29

29

7.3.

Control panel (rear side) connectors pin-out

PC

connector DB 9 female

RS232 connection to the computer. For UPRADE firmware
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 / 50mA)

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Содержание OM2501HF

Страница 1: ...1 MADE IN SLOVAKIA e mail om power om power com 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 OM2501HF OM3501HF SHORTWAVE POWER AMPLIFIER...

Страница 2: ...RIPTION 7 3 1 HF Compartment 7 3 2 Power Supply 8 3 3 Safety Devices 9 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 OM2501HF Front Pane...

Страница 3: ...24 7 APPENDIX 24 7 1 Primary AC selection 24 7 2 OM2501HF firmware upgrade 26 7 3 Control panel connectors pin out 29 7 4 Block Diagram of the OM2501HF Power Amplifier 30 7 5 Troubleshooting 31 7 6 Fa...

Страница 4: ...00 W in RTTY and DIGI modes Input Power Usually 40 to 60W for full Output Power Input Impedance 50 Ohm VSWR 1 5 1 Power Gain 17 dB Output Impedance 50 Ohm unbalanced Maximum Output SWR 3 1 SWR protect...

Страница 5: ...ture too high Soft start for fuse protection switch on blocking at opened amplifier 1 2 3 Features The manufacturer implemented some of the company s newest development results with most wanted operat...

Страница 6: ...TO SHORT OR BYPASS safety switch under upper lid The OM2501HF amplifier should not be used in a WET or HUMID environment or be exposed to RAINFALL Do not turn the amplifier ON without having connecte...

Страница 7: ...ation 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 Compartment his am...

Страница 8: ...nel Power Supply Board 3 2 Power Supply This Power amplifier uses two 2 3 KVA toroidal transformer A soft start is provided using relays and resistors placed on the switch ON board The high voltage is...

Страница 9: ...t starting the PA See part 7 1 for more information Other primary voltage is possible on request for example 200V 50 60 Hz for Japan 3 3 Safety Devices Control and monitoring circuits ensure control a...

Страница 10: ...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 connected to...

Страница 11: ...ansceiver If there is possible to adjust TX delay in your TCVR set the delay to 15ms please The amplifier is equipped with safety devices which ensure that the output relay is not switched under power...

Страница 12: ...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 operating break we recommend placing the amplifier to...

Страница 13: ...on while the PA is still OFF Information display shows basic information about the PA serial number software version time ON tube serial number and nominal Main voltage The information screen also pro...

Страница 14: ...active press EXIT to go back to the home screen The Tube Heating Timer is visible on the display Wait until the required 180 seconds is complete before placing the amplifier in OPERATE Mode After heat...

Страница 15: ...r the processor which protects the permitted limits up or down for a given value of the primary voltage protection circuit Pressing SETTING displays this screen Scrol by UP DOWN to DISPLAY SETTING and...

Страница 16: ...ess ENT Use next lines and set brightness and sound volume use up down and left right Confirm with SAVE Type of supported TCVR and working frequency are visible on the display AUTO LED is ON Type of s...

Страница 17: ...feature of using EBS is PA operating temperature reduction NOTE If you are not using compression in your TCVR or you are not speaking loud enough some syllables can be cut off In such a case you shoul...

Страница 18: ...0 FAULTS to show Press EXIT Go to SET EBS1 AUTO and press SET PA will automatically set 20mA on the tube When finished successfully you will see SET EBS1 AUTO OK on the screen Type of supported TCVR a...

Страница 19: ...ess SET This feature allows user to switch OFF the SWR This feature allows the user to switch OFF the SWR protection We recommend setting it to ON SWR protection circuit will stay active max allowed S...

Страница 20: ...ress PTT foot switch for example We are now in TRANSMIT mode without RF Note the new TRANSMIT light indicator on the touch screen NOTE The OM25001HF OM3501HF is tested at factory at a maximum output p...

Страница 21: ...urrent exceeds 30mA adjust the LOAD knob to decrease Screen current to about 0 mA Readjust TUNE for maximum FORWARD POWER Increase the PA input power until you reach the desired maximum output power K...

Страница 22: ...ill react immediately There are several types of warning or fault messages that may appear on the display when any of the protection circuits are activated The OM2501HF OM3501HF power amplifier provid...

Страница 23: ...You can view them on the menu display If the error memory is full every new message will delete the oldest one in the stack It means that only the last 20 messages are visible on the display This is...

Страница 24: ...will provide instructuions for 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 Clean...

Страница 25: ...L pole AC voltage is marked at every black terminals AC selector range can be changed according to the specific conditions in individual countries Default settings is 220 230 240V 50Hz for EU market a...

Страница 26: ...the PC Open folder OM2501HF OM3501HF on your PC find the MX460L exe file and run it Select SETTINGS and choose the COM port you want to use Baud rate should be 115200 Close the window Select the Firmw...

Страница 27: ...software and press button the SEND TO LINE button Press 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...

Страница 28: ...ction until this screen disappears At the end you will return to the main screen of OM2501HF OM3501HF Turn the PA OFF disconnect the PC serial cable and you are ready to use the OM2501HF OM3501HF with...

Страница 29: ...9 female RS232 connection to the computer For UPRADE firmware 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 O...

Страница 30: ...ISPLAY J4 J3 J2 J14 J10 J9 KEY IN KEY OUT LOAD TUNE J12 Ext bl K2 K3 Kl 8 Kl 7 K1 Kl 3 Kl 4 Kl 2 Kl 1 K1 J5 J8 TR2 TR1 AC24V AC2 AC1 J9 J6 J1 Cover SW OM 2501HF Block diagram Fuse Blower SW ON BOARD H...

Страница 31: ...enna with higher SWR this SWR protection can be switched off page 19 But reflected power will stay checked max 350W Power In is too high Reduce input power Check amplifier tuning PA input is too high...

Страница 32: ...and the PA is automatically switched OFF Check HV circuits blocking capacitors and the tube itself Heating voltage error Set up proper transformer voltage selector This error is usually due to imprope...

Страница 33: ...il the following display appears If you are sure and you want a factory settings press YES After the FACTORY RESET completes the PA is ready for operation Important notice Perform a Factory Reset only...

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