Gebruiksaanwijzing /service van het product CPS250 van de fabrikant Tektronix
Ga naar pagina of 34
User Manual CPS250 T riple Output Power Supply 070-6740-03.
Copyright T ektronix, Inc. 1987. All rights reserved. T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
W ARRANTY T ektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment.
.
CPS250 User Manual i T able of Contents General Safety Summary iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . Getting Started 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preparing the Power Supply for Use 2 .
T able of Contents ii CPS250 User Manual List of Figures Figure 1: Line V oltage Selectors, Power Input, and Fuse Locations 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2: Front Panel 4 . . . . . . . . . . . . . . . .
CPS250 User Manual iii General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. Only qualified personnel should perform service pr ocedur es. Injury Precautions Use Proper Power Cord T o avoid fire hazard, use only the power cord specified for this product.
General Safety Summary iv CPS250 User Manual Do Not Operate in Wet/Damp Conditions T o avoid electric shock, do not operate this product in wet or damp conditions. Do Not Operate in Explosive Atmosphere T o avoid injury or fire hazard, do not operate this product in an explosive atmosphere.
General Safety Summary CPS250 User Manual v Safety T erms and Symbols T erms in This Manual These terms may appear in this manual: W ARNING. W arning statements identify conditions or practices that could r esult in injury or loss of life.
General Safety Summary vi CPS250 User Manual Certifications and Compliances CSA Certified Power Cords CSA Certification includes the products and power cords appropriate for use in the North America power network. All other power cords supplied are approved for the country of use.
CPS250 User Manual 1 Getting Started The T ektronix CPS250 Triple Output Power Supply is a multifunc- tion bench or portable instrument. The fixed 5 volt output is available for use in transistor-transistor -logic (TTL) applications.
Getting Started 2 CPS250 User Manual Preparing the Power Supply for Use Check the following items prior to operating the CPS250 T riple Output Power Supply for the first time (see Figure 1 for locations of items 1 through 3): 1 2 3 Figure 1: Line V oltage Selectors, Power Input, and Fuse Locations CAUTION.
Getting Started CPS250 User Manual 3 2. Check that the correct line fuse is installed. The line fuse provides protection if the equipment malfunctions or an overload occurs. Refer to Appendix C: Replaceable Parts on page 23 for fuse part numbers. W ARNING.
Getting Started 4 CPS250 User Manual Front Panel Figure 2 shows the front-panel controls, connectors, and indicators with brief descriptions of the items following the figure. 34 5 46 7 8 9 10 11 12 13 14 15 1 2 Figure 2: Front Panel 1. POWER Button. Push top of switch to the ON position to turn power supply on.
Getting Started CPS250 User Manual 5 6. Milliampere Current Meter . This meter indicates the current level of A or B output, depending on the position of the A/B meter switch. The meter may be mechanically set for zero with the slotted mechanical zero adjust disk below the center of the meter .
Getting Started 6 CPS250 User Manual.
CPS250 User Manual 7 Reference This section of the manual includes examples of how to use the CPS250 T riple Output Power Supply . The number of possible applications is extensive, so only a few examples are given. CAUTION. Heat buildup may occur on the r ear-panel heat sink during operation.
Reference 8 CPS250 User Manual T o configure the power supply for independent floating, do the following: 1. W ith the CPS250 T riple Output Power Supply on and the outputs disconnected from loads, set the A and B VOL T AGE controls to the values needed (read on the V meter).
Reference CPS250 User Manual 9 CAUTION. T o pr event electric shock, do not elevate any power supply output terminals with any external voltage sour ce or power supply .
Reference 10 CPS250 User Manual Load 1 –5 V 2 A Load 2 –5 to +15 V Zero to 0.5 A Load 3 –5 to +15 V Zero to 0.5 A Figure 4: Independent Ground-Referenced Applications (A) Figure 5 shows the power supply connected to produce separate outputs of +5 V , 0 V to +20 V from the B supply , and 0 V to –20 V from the A supply .
Reference CPS250 User Manual 11 2. Set the A and B VOL T AGE controls to MIN and the A and B CURRENT controls to midrange. 3. T urn POWER to ON , and set the desired A and B voltages. 4. T urn POWER to OFF , and connect the load(s). 5. T urn POWER to ON , and readjust voltages if necessary .
Reference 12 CPS250 User Manual 5. T urn POWER to ON , and readjust voltages if necessary . Zero to –40 V and fixed +5 V outputs are shown in Figure 7.
Reference CPS250 User Manual 13 Figure 9 shows the connections for three ground referenced, positive supplies. Load 1 +5 V Load 2 Zero to +20 V Load 3 Zero to +20 V Figure 9: Independent Ground-Refere.
Reference 14 CPS250 User Manual Load 1 Zero to +40 V Load 1 Zero to –40 V Internal connection Internal connection Figure 10: Series-T racking Applications Parallel T racking When the A/B OUTPUTS sel.
Reference CPS250 User Manual 15 Load 1 Zero to +20 V 1.0 A Load 1 Zero to –20 V 1.0 A Internal connections Internal connections Figure 1 1: Parallel-T racking Applications.
Reference 16 CPS250 User Manual.
CPS250 User Manual 17 Appendix A: Specifications The following tables list the physical, environmental, operational, and electrical characteristics of the CPS250 T riple Output Power Supply: T able 2: Certifications and Compliances EC Declaration of Conformity – EMC Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility .
Appendix A: Specifications 18 CPS250 User Manual T able 4: Environmental Characteristics Storage T emperature –10 _ C to 60 _ C, 80% RH Operating T emperature 10 _ C to 40 _ C, 75% RH T able 5: Operational Characteristics Outputs 0 to 20 VDC (two), 5 VDC V oltage (5 V) 5.
CPS250 User Manual 19 Appendix B: Maintenance This appendix provides information for the basic maintenance of the CPS250 T riple Output Power Supply . Cleaning T o clean the power supply , use a soft cloth dampened in a solution of mild detergent and water .
Appendix B: Maintenance 20 CPS250 User Manual T roubleshooting Electronic maintenance on the CPS250 T riple Output Power Supply must be performed by a trained technician. However , an operator can perform some basic and routine maintenance. The power supply will give some indications of problems to aid the operator .
Appendix B: Maintenance CPS250 User Manual 21 POWER Light ON, but No Output from A or B Supplies with Power Supply connected to Circuit 1. Disconnect the CPS250 outputs from the circuit being tested. Check A and B V OL T AGE and CURRENT controls. 2. If the outputs are good, check the circuit under test for a short or low resistance.
Appendix B: Maintenance 22 CPS250 User Manual.
CPS250 User Manual 23 Appendix C: Replaceable Parts Replaceable parts may be ordered directly from your authorized T ektronix dealer . Standard Accessories The following items are shipped with the CPS.
Appendix C: Replaceable Parts 24 CPS250 User Manual The following power cords are available. T able 9: Accessory Power Cords Plug Configuration Normal Usage T ektronix Part Number North America 1 15 V.
Een belangrijk punt na aankoop van elk apparaat Tektronix CPS250 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Tektronix CPS250 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Tektronix CPS250 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Tektronix CPS250 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Tektronix CPS250 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Tektronix CPS250 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Tektronix CPS250 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Tektronix CPS250 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
