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AR 350AH1A, Руководство по эксплуатации и обслуживанию

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Model 350AH1A 

8 

Rev B 

1

2

3

4

 

Figure 2-1. Digital Control Panel (DCP) Features 

 

Item 

Title 

Function 

1 

INHIBIT, LOCAL, REMOTE 

Keylock Switch, 3-position; key removal in INHIBIT position only 

2 

POWER 

POWER control with indicator LED 

3 

DISPLAY 

Numerous parameter values and fault messages 

4 

ADJUST 

Adjust knob to change selected variables 

 

2.2.3 

Main Power Circuit Breaker 

The Main Power circuit breaker, CB1, is located on the rear panel of the cabinet. 

AC Line Entry

CB1

Remote Interfaces

 

Figure 2-2.  Rear Panel Features 

Содержание 350AH1A

Страница 1: ...Operating and Service Manual 350AH1A Model 10042958 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 866 859 0582 www arworld us ...

Страница 2: ......

Страница 3: ...equirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL 61010 1 Issued 2012 05 11 Ed 3 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements CAN CSA C22 2 61010 1 Issued 2012 05 11 Ed 3 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 Ge...

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Страница 5: ... clearance on all vented sides of the equipment to permit the airflow required for proper ventilation Do not restrict airflow into the equipment by blocking any vents or air intakes Restricting airflow can result in damage to the equipment intermittent shut downs or safety hazards Keep equipment away from extremely hot or cold temperatures to ensure that it is used within the specified operating r...

Страница 6: ...na assembly may be heavy requiring two persons to lift Use caution when installing or removing unit Follow all equipment setup and lifting instructions specified in this document Ensure connectors are appropriate for intended operation Connectors are specified in the user manual and product specification sheet Do not exceed the maximum RF input level stated in the specifications Refer to the user ...

Страница 7: ...von 10 2 cm 4 in auf allen belüfteten Seiten des Geräts ein um eine ausreichende Luftzirkulation zu gewährleisten Beinträchtigen Sie den Luftstrom des Geräts nicht indem Sie Lüftungsöffnungen oder den Lufteinlass blockieren Wird der Luftstrom eingeschränkt kann dies zu Schäden am Gerät periodischen Abschaltungen und anderen Gefahren führen Halten Sie das Gerät von extrem heißen oder kalten Tempera...

Страница 8: ...n in diesem Dokument angegebenen Anweisungen zur Anbringung Stellen Sie sicher dass alle Anschlüsse für den beabsichtigten Betrieb geeignet sind Informationen zu den Anschlüssen erhalten Sie im Benutzerhandbuch und im Produktspezifikationsblatt Überschreiten Sie nicht den in Spezifikationen angegebenen maximalen HF Eingangspegel Informationen zum geeigneten HF Pegel erhalten Sie im Benutzerhandbuc...

Страница 9: ...imitez pas le flux d air allant dans l équipement en bloquant tout évent ou entrée d air La restriction du flux d air peut endommager l équipement causer des coupures intermittentes ou des dangers pour la sécurité Tenez l équipement à l écart de températures extrêmement chaudes ou froides pour veiller à ce qu il soit utilisé dans la plage de fonctionnement indiquée Lorsque vous installez des acces...

Страница 10: ...z prudent lorsque vous installez ou retirez l unité Respectez toutes les instructions concernant l installation et le levage de l équipement indiquées dans ce document Assurez vous que les connecteurs sont appropriés pour l utilisation prévue Les connecteurs sont indiqués dans le manuel d utilisation et la fiche signalétique du produit Ne dépassez pas le niveau d entrée RF maximal indiqué dans les...

Страница 11: ...g is voor goede ventilatie mogelijk te maken Belemmer de luchtstroom in het apparaat niet door ventilatieopeningen of luchtinlaten te blokkeren Het belemmeren van de luchtstroom kan leiden tot schade aan het apparaat onregelmatige uitvallen of veiligheidsrisico s Houd het apparaat uit de buurt van extreem hoge of lage temperaturen om ervoor te zorgen dat het apparaat binnen het gespecificeerde wer...

Страница 12: ...instellen en optillen van de apparatuur die in dit document worden vermeld Zorg ervoor dat de connectoren geschikt zijn voor de beoogde werking De connectoren worden gespecificeerd in de gebruikershandleiding en in het productspecificatieblad Overschrijd het maximale RF ingangsniveau niet dat in de specificaties is vermeld Raadpleeg de gebruikershandleiding en het productspecificatieblad om de toe...

Страница 13: ...ocess when repairing these assemblies All assemblies in this unit that were assembled using a lead free process are identified on the PCB using the lead free symbol shown at right Any PCB bearing this symbol should be repaired using a SAC305 or compatible lead free solder Assemblies that do not bear the lead free symbol can be assumed to contain lead solder and should be repaired with the same Pb ...

Страница 14: ...ii ...

Страница 15: ...itch 7 2 2 3 Main Power Circuit Breaker 8 2 2 4 RF ON OFF 9 2 2 5 Reset Function 9 2 3 Digital Control Panel DCP Operations 9 2 3 1 Amplifier Operating Mode 10 2 3 2 Adjusting Amplifier Controls 10 2 4 Inputs and Outputs 11 2 4 1 RF Input 11 2 4 2 RF Output 11 2 4 3 IEEE 488 USB and RS 232 Interfaces 11 2 4 4 Safety Interlock Connector 11 2 5 Amplifier Operation 12 2 5 1 CW Mode 12 2 5 2 Bridge Mo...

Страница 16: ...EPAIR 31 4 1 General 31 4 2 Fault Signal Interpretation and Diagnosis 31 4 2 1 General Reading faults 32 4 2 2 Power Supply Fault 32 4 2 3 Thermal Faults 32 4 2 4 ALC Fault 32 LIST OF FIGURES 2 1 Digital Control Panel DCP Features 8 2 2 Rear Panel Features 8 2 3 Touch Panel Display Menu Map 10 2 4 Typical Setup CW Mode 12 2 5 Typical Setup Bridge Mode 13 2 6 Typical Setup Parallel Mode 14 LIST OF ...

Страница 17: ...mplifier s RF Gain and provides graphical displays of the amplifier s voltage and current output levels Output level protection An internal voltage and current detector Output phase control 0 or 180 shift A General Purpose Interface Bus GPIB IEEE 488 2 interface for remote control of the amplifier s operating functions RS232 serial communications for remote control USB Communication port for remot...

Страница 18: ...ection circuits will invoke a shut down of the amplifier A RESET function is provided to permit re powering of the amplifier in case of transient or temporary activation of the amplifier s protection circuitry The output amplifier subassembly is thermally monitored The digital control panel monitors all fault signals stores and displays any that are invoked and asserts the required action 1 5 INST...

Страница 19: ...f the rear panel as viewed from the rear are the remote interface connectors and safety interlock connectors The 15 pin D sub miniature female safety interlock connector provides two separate interlock loops Pins 1 and 8 are used for situations where the amplifier can be left on but forced into STANDBY mode This interlock is called Inhibit Interlock Pins 10 and 14 are used for situations that dema...

Страница 20: ...Model 350AH1A 4 Rev B 1 6 4 4 Ethernet A standard RJ 45 connector is provided on the rear panel ...

Страница 21: ...ions Diversion contrary to U S law is pro hibited The Model 350AH1A amplifier is a portable self contained air cooled broadband solid state amplifier unit designed for laboratory applications where instantaneous bandwidth high gain and moderate power output are required When used with an RF sweep gener ator the 350AH1A will provide up to 350 watts of output power Housed in a stylish contemporary e...

Страница 22: ... RF INPUT Type BNC female RF OUTPUT 5 way binding posts REMOTE CONTROL IEEE 488 24 pin female RS 232 9 pin subminiature D female USB Type B female Ethernet RJ 45 REMOTE INTERLOCK 15 pin subminiature D COOLING Forced air self contained fans EXPORT CLASSIFICATION EAR99 Page 2 Specifications 350AH1A M1 through M3 350 Watts CW 10Hz 1MHz Model Configurations To order AR Products call 215 723 8181 For a...

Страница 23: ...r through direct connection or parasitic feedback paths will cause oscillations that may permanently damage the unit s input transistors 2 2 CONTROL AND INDICATOR FUNCTIONS The Model 350AH1A s front panel is shown in Figure 2 1 the unit s rear panel features are detailed in Figure 2 2 2 2 1 Keylock Switch The Keylock Switch is provided for protection from unauthorized use or unexpected remote cont...

Страница 24: ...oval in INHIBIT position only 2 POWER POWER control with indicator LED 3 DISPLAY Numerous parameter values and fault messages 4 ADJUST Adjust knob to change selected variables 2 2 3 Main Power Circuit Breaker The Main Power circuit breaker CB1 is located on the rear panel of the cabinet AC Line Entry CB1 Remote Interfaces Figure 2 2 Rear Panel Features ...

Страница 25: ...It is used to provide amplifier status information and a set of menu functions for controlling the amplifier The menu selections are typically found as software generated buttons on the right side of the display screen In some cases these buttons can also be found in other areas of the screen From the MAIN MENU the user can access the RF ON OFF button The RF ON OFF button causes the power amplifie...

Страница 26: ...the operation of the Model 350AH1A are made using the dedicated controls display menus and adjust knob functionality 2 3 2 1 RF GAIN Control The RF GAIN control which has a minimum of 15dB of range is used to adjust the gain of the variable gain module This control adjusts the output power level for a fixed input power level To adjust the RF Gain value use the adjust knob Please note that the disp...

Страница 27: ...ifier is in the Operate mode Dangerous voltages that could cause serious injury to the user exist at the RF Output when the amplifier is under power 2 4 3 IEEE 488 USB and RS 232 Interfaces The Model 350AH1A s remote interfaces allow remote control via a computer of all amplifier functions except for the Keylock Switch position that can be controlled from the front panel When the amplifier is in t...

Страница 28: ...F GAIN 0 POWER ON RF ON OFF OFF RF Generator 0Vrms 2 5 1 2 Level Setting Set the RF Generator output to approximately 2Vrms Place the unit in the RF ON mode by pressing the RF ON OFF button Adjust the amplifier gain control for the desired output level CAUTION Do not connect or disconnect any loads or cables from the amplifier s RF Output when the amplifier is in the Operate mode Dangerous voltage...

Страница 29: ...gure 2 5 Typical Setup Bridge Mode 2 5 2 1 Preliminary Settings RF GAIN 100 POWER ON RF ON OFF OFF RF Generator 0Vrms 2 5 2 2 Level Setting Set one of the two amplifiers PHASE to 180 degrees and the other to 0 degrees by pressing the PHASE buttons Place both units in the RF ON mode by pressing the RF ON OFF button Adjust the RF Generator output to reach the desired output level CAUTION Do not conn...

Страница 30: ...pical Setup Parallel Mode 2 5 3 1 Preliminary Settings RF GAIN 100 POWER ON RF ON OFF OFF RF Generator 0Vrms 2 5 3 2 Level Setting Set all of the amplifiers PHASE to either 180 degrees or 0 degrees by pressing the PHASE buttons Place all units in the RF ON mode by pressing the RF ON OFF button Adjust the RF Generator output to reach the desired output level CAUTION Do not connect or disconnect any...

Страница 31: ... the model 350AH1A s address is set properly and that the controller has correctly identified it as a listening device When sending commands via the GPIB interface terminate with an EOI a Line Feed character or both The 350AH1A will ignore characters following the termination 2 6 1 1 Setting the IEEE 488 GPIB Address The GPIB device address can be set to any number between 1 and 30 This selection ...

Страница 32: ...ection changes will be lost The default baud rate is 19200 NOTE This baud rate setting is shared by both the RS 232 port and the Fiber Optic serial port The RS 232 port is setup as a Data Circuit terminating Equipment DCE port When connecting to a Personal Computer PC a straight one to one cable should be used A null modem is NOT needed The settings and pinout diagram for this port can be found be...

Страница 33: ...MA connectors on the other This cable can be obtained from a fiber optic cable distributor such as Fiber Instrument Sales FIS Their web site can be found at www fiberinstrumentsales com An example cable that will work for this connection is FIS Part Number D615M7FIS The 7 in the part number refers to the length of the cable In this case the length is 7 meters 2 6 4 USB Communications The USB port ...

Страница 34: ...s If a command or query is unrecognized it is echoed back out the port it came in on All commands and queries are terminated with a Line Feed character A Line Feed character is indicated by LF in subsequent command and query definitions All queries can be sent when the Keylock switch is in the INHIBIT LOCAL or REMOTE position All commands can only be sent when the Keylock switch is in the REMOTE p...

Страница 35: ...R x Parameters State x OFF power off ON power on Response Format None No query for this command Example To turn the power on send the following command POWER ON LF To turn the power off send the following command POWER OFF LF 2 6 6 2 RF On Off This command controls the RF on off state of the amplifier Syntax RF x Parameters State x OFF power off ON power on Response Format None No query for this c...

Страница 36: ...EVEL xy Parameters Parameter x GAIN RF Gain Value y For RF Gain 0 Minimum 100 Maximum Response Format None No query for this command Example To set the amplifier to minimum RF Gain send the following command LEVEL GAIN0 LF To set the amplifier to 50 RF Gain send the following command LEVEL GAIN50 LF 2 6 6 5 Identity Query to identify the amplifier Syntax IDN Parameters None Query only always requi...

Страница 37: ...he IO Board send the following command IOB LF Response INTERFACE_BOARD_SW_REV3 11 LF 2 6 6 7 State Query to find the state of the amplifier Syntax STATE Parameters None Response Format STATE space xyza LF Where x y z and a are each an ASCII character representing a hexadecimal character They can be 0 to 9 or A to F Each hexadecimal character represents a 4 bit binary number This 4 bit number is a ...

Страница 38: ...NOT USED 3 NOT USED a 0 NOT USED 1 NOT USED 2 NOT USED 3 NOT USED Example To read the state of the amplifier send the following query STATE LF Response STATE space 8100 LF Remote Mode and Power On 2 6 6 8 RMS Voltage Query to get the RMS output voltage Syntax VRMS Parameters None Response Format VRMS x Where x 0 0 to 99 9 Values are corrected and linearized They can be up to four characters in len...

Страница 39: ...s Example To find out the RMS output current send the following query IRMS LF Response IRMS 9 7 LF 9 7 Amperes RMS 2 6 6 10 RMS Power Query to get the RMS output power Syntax PWR Parameters None Response Format PWR x Where x 0 0 to 999 9 Values are corrected and linearized They can be up to five characters in length Each response contains one decimal point that counts as one of the five characters...

Страница 40: ...LF Response RFG space 0075 LF 75 Gain 2 6 6 12 Output Phase Selection Command query to set and or get the output phase with respect to the input Syntax PHASEx Parameters Value x 0 Output phase is the same as input signal 180 Output phase is 180 out of phase from input signal Syntax PHASE Response Format PHASE x Where x 0 or 180 Example To find out the output phase send the following query PHASE LF...

Страница 41: ...S output power send the following command DISP PWR LF 2 6 6 14 Faults Query to find the faults that have occurred with the amplifier Syntax FSTA Parameters None Response Format FSTA space xxxx LF Where xxxx 0000 to 001A Hexadecimal Dec xxxx Fault Text Description RF State After Fault Reset 0 0000 N A No fault N A 1 0001 AC Interlock AC Interlock Off 4 0004 Interlock Interlock Off 5 0005 PS2 Power ...

Страница 42: ...Model 350AH1A 26 Rev B ...

Страница 43: ...btain the amplitude and power level in order to drive the output devices as a follower circuit 3 3 POWER SUPPLY Refer to Schematic Diagram Number 10024922 Interconnect Diagram 350AH1A Main power to the unit is supplied by single phase AC power within the proper range In series with the line voltage is the 20A Main circuit breaker CB1 located on the rear panel This circuit breaker supplies line vol...

Страница 44: ...ain power supplies The amplifier will then be in the STANDBY condition In this state all high level RF stages are without DC power making it impossible to produce any RF power in the amplifier Cooling fans will be heard even though no DC is output from the main power supplies The main power supplies will be armed for DC Enable and waiting for Operate mode to be executed If the RF ON button is pres...

Страница 45: ...ion a logic signal will signal the fault board resulting in an amplifier shut down The power supply faults and inhibit signals are routed to the Control Panel The fault signal is a logic high 5VDC when all is well switching to a logic low if a fault occurs 3 5 3 ALC Fault An ALC fault is invoked whenever the DC and output current limit controls do not function causing the RF power to exceed one of...

Страница 46: ...on the front panel The fault conditions can be reset by pressing the RESET switch on the front panel when the Keylock Switch is set to LOCAL or by a command sent from the user s computer when the Keylock Switch is set to REMOTE Either of these conditions causes the amplifier to return to normal conditions when the RF ON command can be asserted The forcing of the RF ON command after a fault or inte...

Страница 47: ...must be immediately repaired with a minimum of down time A systematic approach can greatly simplify and thereby speed up repairs The Model 350AH1A incorporates fault control and detection circuits including display panel indications that can expedite troubleshooting of the unit For a description of how these indications can be used to assist in troubleshooting the unit please see section 4 2 Fault...

Страница 48: ... are not exceeded If the fault indication is no longer visible the fault may have been brought about by a temporary transient condition component thermal condition or excessive RF drive to the amplifier s input If the fault does not clear with the RF drive off some other problem exists in the amplifier 4 2 2 Power Supply Fault Indication PS2 The main power supply has failed to produce DC voltage w...

Страница 49: ... cover If the security label is removed and or cut the warranty of the module will be voided Vacuum tubes in the L series amplifiers traveling wave tubes in TWT amplifiers and power heads will be free from defects in material and workmanship for a period of one 1 year Contact AR RF Microwave Instrumentation for warranty information regarding items not listed Seller s sole responsibility in fulfill...

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