Spellman 225 Series Instruction Manual Download

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225 Series User’s Manual

118119-001 Rev A

Instruction Manual

IEEE-488 Programmable High Voltage Power Supply

SPELLMAN
HIGH VOLTAGE ELECTRONICS
CORPORATION

One Commerce Park
Valhalla, New York, 10595

+1(914) 686-3600* FAX: +1(914) 686-5424*
E-mail:

[email protected]

Website: www.spellmanhv.com

225 SERIES

Summary of Contents for 225 Series

Page 1: ...ruction Manual IEEE 488 Programmable High Voltage Power Supply SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION One Commerce Park Valhalla New York 10595 1 914 686 3600 FAX 1 914 686 5424 E mail sales spellmanhv com Website www spellmanhv com 225 SERIES ...

Page 2: ... aware of the electrical hazards WARNING note in the text call attention to hazards in operation of these units that could lead to possible injury or death CAUTION notes in the text indicate procedures to be followed to avoid possible damage to equipment Copyright 2000 Spellman High Voltage Electronics Corporation All Rights Reserved This information contained in this publication is derived in par...

Page 3: ...spannungsnetzteiles benötigen ca 5 Minuten um sich zu entladen Erden Sie sich nicht und arbeiten Sie nicht in feuchter oder nasser Umgebung Notwendige Reparaturen können es erforderlich machen den Gehäusedeckel während des Betriebes zu entfernen Reparaturen dürfen nur von qualifiziertem eingewiesenem Personal ausgeführt werden WARNING im folgenden Text weist auf gefährliche Operationen hin die zu ...

Page 4: ...de l alimentation Ne vous mettez pas à la masse ou ne travaillez pas sous conditions mouillées ou humides La maintenance peut nécessiter l enlèvement du couvercle lorsque l alimentation est encore allumée Les réparations doivent être effectuées par une personne qualifiée et connaissant les risques électriques Dans le manuel les notes marquées WARNING attire l attention sur les risques lors de la m...

Page 5: ...carica della capacità interna dell alimentatore ad alta tensione Non mettere a terra il proprio corpo oppure operare in ambienti bagnati o saturi d umidità SICUREZZA NELLA MANUTENZIONE Manutenzione potrebbe essere richiesta rimuovendo la copertura con apparecchio acceso La manutenzione deve essere svolta da personale qualificato coscio dei rischi elettrici Attenzione alle AVVERTENZE contenute nel ...

Page 6: ... T5 CO AH1 PPO 5 3 3 2 Service Request Functions SR1 5 3 3 2 1 Service Request SRQ 5 3 3 2 2 Serial Poll SPL 5 3 3 3 Device Clear Function DCI 6 3 3 4 Device Trigger Function DT1 6 3 4 User Commands 6 3 4 1 Programming the High Voltage Output P 6 3 4 1 1 Programming the Output Voltage as a Percentage 7 3 4 2 Setting the Output Limits L 7 3 4 3 Entering the Current Programming Limit Values G 7 3 4 ...

Page 7: ...onse SrC 10 11 4 4 Front Panel Messages 11 4 5 Operation Examples 11 4 5 1 Output Voltage Setting 11 4 5 2 Output Voltage Adjustment 11 4 5 3 Setting the Output Voltage Limit 11 4 5 4 Setting the Output Current Limit 11 V REMOTE ANALOG OPERATION 5 1 Program Control Switch 12 5 2 Remote Control 12 5 3 Analog Monitoring Signals 12 VI MAINTENANCE 6 1 General 12 VII APPENDIX 7 1 IBM PC XT AT DOS 3 1 o...

Page 8: ... on the rear panel of 500V 1kV 3kV and 5kV models The 10kV and higher output models have an internal polarity reversing assembly that is easily accessible in the field NOTE in either case polarity reversal MUST ONLY BE DONE WHEN THE HIGH VOLTAGE IS OFF The Series 225 units contain a DC power supply that converts the AC line power to a low voltage DC and a DC to DC converter that generates the high...

Page 9: ...arity is reversed by removing two diagonally opposed Philips head screws lifting up on the module rotating it 180 and then reinserting it A safety interlock automatically ensures that the high voltage cannot be turned on unless this module is fully seated and installed in one polarity position or the other A remote polarity indication is provided at J107 PROGRAMMING MONITOR connector jack located ...

Page 10: ... 3 in response to receipt of an invalid command The meaning of the serial poll status byte depends upon what caused the service request The power on byte is true when the power supply is first turned on AND the GPIB controller has not yet sent a valid command to the unit The normal operation byte is true after the GPIB controller has sent its first valid command to the unit Any service request can...

Page 11: ...ion updates the previously programmed parameters It performs identically to user command G of section 3 4 3 but has the additional capability to trigger multiple bus instruments simultaneously 3 4 USER COMMANDS The unit recognizes certain received ASCII strings as commands from the GPIB controller that execute all of the unit s functions They are x Programming the Output Voltage in Percentage x Pr...

Page 12: ...ent is monitored at the rate of once per second The user may set threshold limits that when exceeded will invoke the user programmed shut down and service request responses see sections 3 4 6 and 3 4 7 The limit commands consist of an L a numeric string that represents the threshold value and a final character that distinguishes between the voltage and current limits A K indicates a kilovolt limit...

Page 13: ...tection of an output voltage above the voltage limit setting OC1 Enables the unit to shut down its output upon detection of an output current above the current limit setting OC1 Establishes that the unit will not shut down its output in response to the detection of an overload current greater than the current limit setting 3 4 7 SELECTING THE OVERLOAD SERVICE REQUEST RESPONSE SE SC Just as the uni...

Page 14: ...y and shows response via the computer s display SECTION IV LOCAL OPERATION CAUTION THIS UNIT CAN STORE HAZARDOUS VOLTAGE COMPLETELY DISCHARGE HIGH VOLTAGE AT REAR PANEL GROUND TERMINAL BEFORE ATTEMPTING REMOVAL OF THE HIGH VOLTAGE CABLE 4 1 FRONT PANEL CONTROLS Figure 4 1 below is the typical layout of the 225 Series front panel Figure 4 1 SWITCHES PUSHBUTTONS INDICATORS DIALS FUNCTION PURPOSE POW...

Page 15: ...or the unit x Model number and output polarity setting see DISPLAY EXAMPLE 2 1 x Overvoltage trip response setting OE 0 OE 1 or OE 2 x Overcurrent trip response setting OC 0 or OC 1 x Overvoltage service request response setting SrE 0 or SrE 1 x Overcurrent service request response setting SrC 0 or SrC 1 x Software revision number For a new OE OC SrE or SrC choice press the LOCAL FUNCTION pushbutt...

Page 16: ...LTS LED lights and the last entered voltage setting value is displayed Turn the digital potentiometer knob for the desired output voltage The actual high voltage output will NOT change until the following step Push ENTER to finish the sequence The SET and VOLTS LEDs will go off If the High Voltage switch is on the entered voltage value will be outputted and voltage measurements will be displayed 4...

Page 17: ...utput voltage monitor 0 to 5VDC via 10kȍ 2 No connection 3 TTL level compatible logic input Input logic zero disables high voltage generation Open circuit or input logic one enables high voltage generation 4 Precision 5VDC reference output referenced to analog ground 5 Buffered output current monitor 0 to 5VDC via 0kȍ 6 Remote analog programming input 0 to 5VDC 7 Analog ground 8 Digital ground 9 N...

Page 18: ...OUTPUT 07 A Address 225 to listen and send the string 80 PRINT 1 ENTER 07 Address the 225 to talk 90 INPUT COMMAND A 100 PRINT 1 OUTPUT 07 A 110 LINE INPUT 2 A Input the bytes 120 PRINT A Display the reading 130 END 7 3 HP 85 86 87 1 Equip the computer with an HP 82937 GPIB interface and an I O ROM 2 Set the address switches on the 225 Series to 7 3 Enter the lines in the program below Use the END...

Page 19: ...nnector jack which is located on the rear panel of the 225 series HVPS The shell of this connector is connected to chassis ground as the actual HV output connector s shell is but the center conductor is the HV return To disable this feature on RF equipped power supplies the user must connect a dead end MHV plug to the HV return jack A dead end connector would be one in which the center conductor i...

Page 20: ...To obtain information on Spellman s product warranty please visit our website at http www spellmanhv com en About Warranty aspx ...

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