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Operating and 

Service Manual 

250T6G18 
Model 

10037990 
Part Number 

Serial Number 

160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 215-723-5688 • www.arworld.us 

Содержание 10037990

Страница 1: ...Operating and Service Manual 250T6G18 Model 10037990 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 215 723 5688 www arworld us...

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Страница 3: ...lowing European directives Low Voltage Directive 2014 35 EU EMC Directive 2014 30 EU Supplementary Information Safety EN 60215 1 1989 EN 61010 1 2010 EMC EN 61000 6 2 2005 EN61000 6 4 2007 Year Mark A...

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Страница 5: ...n folgenden Minimalwerte der Schirmd mpfung und Filterung in den unterschiedlichen Leistungsklassen empfohlen Hochfrequenzleistung min Schirmd mpfung 100 Watt 50 dB 101 1000 Watt 60 dB 1001 10 000 Wat...

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Страница 7: ...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...

Страница 8: ...a 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...

Страница 9: ...von 10 2 cm 4 in auf allen bel fteten Seiten des Ger ts ein um eine ausreichende Luftzirkulation zu gew hrleisten Beintr chtigen Sie den Luftstrom des Ger ts nicht indem Sie L ftungs ffnungen oder de...

Страница 10: ...allen in diesem Dokument angegebenen Anweisungen zur Anbringung Stellen Sie sicher dass alle Anschl sse f r den beabsichtigten Betrieb geeignet sind Informationen zu den Anschl ssen erhalten Sie im Be...

Страница 11: ...tilation Ne limitez pas le flux d air allant dans l quipement en bloquant tout vent ou entr e d air La restriction du flux d air peut endommager l quipement causer des coupures intermittentes ou des d...

Страница 12: ...dent lorsque vous installez ou retirez l unit Respectez toutes les instructions concernant l installation et le levage de l quipement indiqu es dans ce document Assurez vous que les connecteurs sont a...

Страница 13: ...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 a...

Страница 14: ...nstellen 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 gebruikershand...

Страница 15: ...ions to the machine may have been made use this information only as a guide Carefully compare the unit s actual configuration and operation to the descriptions in this manual before you undertake to o...

Страница 16: ...Model 250T6G18...

Страница 17: ...quency with Gain set to 100 apply RF drive that will provide rated power This will help indicate if the gain or power is changing and if the traveling wave tube or pre amp needs service Record the fol...

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Страница 19: ...ements 9 3 2 4 AC Line Power Connections 9 3 2 5 RF Connections 10 3 2 6 Waveguide Installation 10 3 2 7 External Interlock Connector 11 3 3 Front Panel Features 12 3 4 Front Panel Display and Soft Ke...

Страница 20: ...eatures 17 TABLES 3 1 Front Panel Features 12 3 2 Rear Panel Features 17 3 3 Catalog of IEEE 488 Commands 19 3 4 Catalog of Status Codes 21 3 5 Catalog of Fault Codes 21 3 6 Catalog of System State Co...

Страница 21: ...ctors For bench top use the amplifier is supplied in an enclosure with integral carrying handles Primary power is 190 260 volts 50 60 Hz single phase An efficient switching power supply design provide...

Страница 22: ...Model 250T6G18 2 Rev A 1 5 TEST DATA SHEET A Test Data Sheet for a specific unit is prepared at the time of manufacture and is included with the unit s copy of this manual...

Страница 23: ...ing wave tube TWT microwave amplifier designed for applications where instantaneous bandwidth and high gain are required A reliable 300 watt TWT provides a conservative 250 watts minimum at the amplif...

Страница 24: ...WER 190 260 VAC 50 60 Hz single phase 2 0 KVA maximum CONNECTORS RF input Type N female on rear panel RF output Type WRD 650 waveguide flange on rear panel RF output sample port Type N female on rear...

Страница 25: ...he solid state preamp The solid state preamp s output drives the RF input of the TWT The RF output of the TWT is a WRD 650 for Model 250T6G18 The output is directed through a straight length of wavegu...

Страница 26: ...ided by the Modulator Assembly A23684 121 The high voltage power supply consists of the following the Power Factor Correction module A23683 000 converts line voltage to DC for the high voltage switchi...

Страница 27: ...es present in microwave tube amplifiers in general and with this equipment in particular Never handle the TWT leads or the high voltage connectors unless the unit has been unplugged and it has been po...

Страница 28: ...k or cabinet Carefully remove the HPA from the rack or cabinet If slide rails are used depress the buttons on each slide rail to remove the unit from the rack CAUTION Never rack mount the TWTA using t...

Страница 29: ...t in the unit shutting down from overtemperature conditions The TWTA dissipates approximately 1 5 kilowatts when in the operate mode 3 2 4 AC Line Power Connections AC line power connection to the TWT...

Страница 30: ...at there is no possibility of damaging the load by overheating before the switch opens The TWTA may be interlocked with the switch by connecting it between pins 3 and 4 of the external interlock conne...

Страница 31: ...If the amplifier shuts down because the interlock was opened it will be necessary to reset the system to return to standby see System shutdown screen in Section 3 4 In addition there is an external i...

Страница 32: ...eared 3 STANDBY Push button biases grid off and turns off high voltage 4 ADJUST Rotary knob used as an input device to change values of a variety of parameters 5 EXIT Push button terminates various me...

Страница 33: ...umber of informational screens are programmed It is important for the operator to be able to select the screen with the required information Screen selection is accomplished by pressing an appropriate...

Страница 34: ...below Pressing S1 SET toggles between On and OFF Pressing MORE again brings up the SETUP 2 screen which allows the user to change the Auto Sleep Mode timer setting Pressing SET will change the timer...

Страница 35: ...disabling this alarm In WARNINGS 3 the maximum reverse power level is set Note that these are warning levels at which the beep sounds the actual maximum reverse power level that generates a system fa...

Страница 36: ...h voltage on will be enabled once again Factory Service Screens A number of screens intended for factory service and calibration are behind passwords and are not accessible to the user System Malfunct...

Страница 37: ...er input connector 2 REMOTE INTERFACE Remote control connector 3 EXTERNAL INTERLOCK Connector to remote temperature switch protecting the isolator load 4 Cooling air intake 5 Cooling air outlet 6 RF I...

Страница 38: ...left the factory are logged on the test data sheet Push the OPERATE push button You will now see the cathode and the collector voltages rise Verify that the grid collector and cathode voltages are nea...

Страница 39: ...is a manual control for the gain adjustment as well This is a flat square single turn pot R1 CAUTION Do not adjust 20 turn pot R11 its function is to set the foldback VSWR level and it is calibrated...

Страница 40: ...ut dBm dBm Pr dBm RDPRW Returns reverse power out W watts Pr W RDPOHID Returns over forward power warning setpoint dBm dBm Pohi dBm SPOHID Sets over forward power warning setpoint dBm dBm RDPOLOD Retu...

Страница 41: ...oes not have remote enabled 51 Remote system is not ready to accept commands 60 Command is not allowed in current system state 901 Assert error invalid table argument 1 902 Assert error invalid calibr...

Страница 42: ...LSB Heater time delay expired 5 Under forward power warning 6 Foldback active 7 MSB Inhibit mode x bit Meaning 8 LSB External inhibit 9 Interlock open 10 ALC 11 MSB not used w bit Meaning 12 LSB not...

Страница 43: ...riage return where command mnemonic consists of one of any valid command found in Table 3 parameter as applicable consists of one ASCII space character followed by a number carriage return consists of...

Страница 44: ...e amplifier for pulse or CW operation enter the setup menu and push MORE until reaching the last setup screen which says amplifier is set to Push SET to achieve the mode of operation desired In the pu...

Страница 45: ...bleshooting the TWTA remove the TWT and substitute suitable loads to prevent damage to the TWT 4 2 UNAUTHORIZED REPAIRS CAUTION Unauthorized repairs or modification of this product during the warranty...

Страница 46: ...r inlet temperature Defective blower or power supply No response when main power turned on Panel open interlock switch open Control module display does not come up unit does not beep when powered up S...

Страница 47: ...Diode Cap Assembly A22818 002 the High Voltage Filter Assembly A21461 000 the Modulator Assembly A21422 101 and the Heater Supply A10010 000 are encapsulated modules and are not repairable Contact an...

Страница 48: ...Model 250T6G18 28 Rev A...

Страница 49: ...shoot and repair the TWTA in the field Such repairs are typically limited to replacement of modules or major components For this reason documentation pertaining to the highest levels of the system and...

Страница 50: ...Model 250T6G18 30 Rev A...

Страница 51: ...ON D McCLURE 1040 1041 DIM F 80 1042 DIM A 80 1050 CLEAR SCREEN 1060 INPUT INPUT COMMAND TO SEND TO POWER SUPPLY EXIT TO QUIT A 1070 IF A EXIT THEN 1130 1080 OUTPUT 701 A 1090 IF A 1 2 RD THEN GOTO 10...

Страница 52: ...Model 250T6G18 32 Rev A...

Страница 53: ...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...

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