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Good Will Instrument GPS-2303 User Manual

Manual is about: Multi-Output

Summary of GPS-2303

  • Page 1

    Multi-output power supply user manual i multi-output power supply user manual i declaration of conformity we good will instrument co., ltd. No. 95-11, pao-chung rd., hsin-tien city, taipei hsien, taiwan good will instrument (suzhou) co., ltd. No.69 lushan road, suzhou new district jiangsu, china. De...

  • Page 2

    Multi-output power supply user manual ii declaration of conformity we good will instrument co., ltd. No. 95-11, pao-chung rd., hsin-tien city, taipei hsien, taiwan good will instrument (suzhou) co., ltd. No.69 lushan road, suzhou new district jiangsu, china. Declares that the below mentioned product...

  • Page 3

    Multi-output power supply user manual iv safety terms and symbols please take a moment to review these safety terms and symbols which may appear in this manual or on equipment to prevent damage to the function generators. Warning. Warning statements identify condition or practices that could result ...

  • Page 4

    Multi-output power supply user manual v for united kingdom only note: this lead/appliance must only be wired by competent persons warning: this appliance must be earthed important: the wires in this lead are coloured in accordance with the following code: green/ yellow: earth blue: neutral brown: li...

  • Page 5

    Multi-output power supply user manual 2 2. Specifications 2-1. General main supply (switch selectable) : 100v/120v/220v ± 10%(230v +10%~-6%) 50/60hz. Operation environment :indoor use. Altitude up to 2000m. Ambient temperature 0 ℃ to 40℃. Relative humidity 80% (maximum). Installation category ii. Po...

  • Page 6

    Multi-output power supply user manual 4 2-9. Insulation between chassis and output terminal : 20mΩ or above (dc 500v). Between chassis and ac cord : 30mΩ or above (dc 500v). 3. Theory of operation the power supply consists of an ac input circuit and transformer; a bias supply consisting of an rectif...

  • Page 7

    Multi-output power supply user manual 6 4. Panel controls and indicators fig. 4-1 front panel multi-output power supply user manual 7 fig. 4-2 real panel test equipment depot 99 washington street melrose, ma 02176-6024 www.Testequipmentdepot.Com 800-517-8431 781-665-0780 fax.

  • Page 8

    Multi-output power supply user manual 8 4-1. Front panel (1) power switch : on/off the power input. (2) meter v : indicated the ch1 or ch3 output voltage. (3) meter a : indicates the ch1 or ch3 output current. (4) meter v : indicates the ch2 or ch4 output voltage. (5) meter a : indicates the ch2 or ...

  • Page 9

    Multi-output power supply user manual 10 (29) & (30) tracking mode switch two push-button switches that select independent mode, series tracking mode, or parallel tracking mode as follows: a. When both switches are disengaged (out), the unit is in the independent mode and the ch1 and ch2 power suppl...

  • Page 10

    Multi-output power supply user manual 12 operation. Multi-output power supply user manual 13 5-3. Constant voltage/constant current characteristics the working characteristic of these series power supplies is called a constant voltage/constant current automatic crossover type. This permits continuou...

  • Page 11

    Multi-output power supply user manual 14 5-4. Operation mode (1) independent operation the “ch1” and “ch2” supplies each provide a 0 to rating volts output at up to rating amps. This procedure covers the use of the ch1 and ch2 supplies only when they are used independently from each other. When used...

  • Page 12

    Multi-output power supply user manual 16 adjust the maximum current value. Because current through the two supplies must be equal when they are being used in series, the lowest current control setting will set the maximum output current. C. Adjust the output voltage to the desired level by using the...

  • Page 13

    Multi-output power supply user manual 18 (4) ch3 power supply operation the ch3 supply provides 2.2~5.2v(gps-4302/4303) and 3~6v(gps-4251) dc output with 3 amps (gps-3303&4302), 1 amp (gps-4303) and 2.5 amp (gps-4251) current capacity. The supply is ideal for us with ttl circuits (gps-3303 5v fixed)...

  • Page 14

    Multi-output power supply user manual 20 6. Maintenance warning the following instructions are for use by qualified personnel only. To avoid electrical shock, do no perform any servicing other than the operation instruction of the manual unless you are qualified to do so. 6-1. Fuse replacement if th...

  • Page 15

    Multi-output power supply user manual 22 k. Set output off by adjusting the trimmer potentiometer (vr903 ch2, vr703 ch1) so that the ch1(ch2) meter also reads rating amps (invalid for gps-2303). (2) series tracking adjustment a. Set the supply to tracking series mode by engaging the left tracking sw...

  • Page 16

    Multi-output power supply user manual 24 d. Set output on by adjusting vr702 so that the ch3 meter also reads rating amps (invalid for gps-3303). E. Connect a variable load (load must be rated to handle a power of at least 30w) across the output terminals and connect the multimeter to read the outpu...

  • Page 17

    Multi-output power supply user manual 26 fig. 6-1. Adjustment location test equipment depot 99 washington street melrose, ma 02176-6024 www.Testequipmentdepot.Com 800-517-8431 781-665-0780 fax.