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Summary of Contents for GW Instek GPS-1830
- Page 1 DC POWER S U P P L Y Tenma Models 72-2005 and 72-6535 (Analog and Digital Series) User Manual...
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Page 2: Table Of Contents
CONTENTS SECTION PAGE ..........................INTRODUCTION ........................SPECIFICATIONS ..........................General ....................2-2 Constant Voltage Operation ....................2-3 Constant Current Operation ........................2-4 Indicator Meter ......................... 2-5 Insulation ......................THEORY OF OPERATION ................... PANEL CONTROLS AND INDICATORS .......................... 4-1 Front Panel .......................... 4-2 Rear Panel ...................... -
Page 3: Specifications
Max. Rating Input Rating FUSE Type and Rating Weight MODEL Volts (V) Watts 1 00v1120v 22OVl24OV Amps (A) GPS-1830 2A 250V 1A 250V GPS-1830D 2A 250V 1A 250V GPS-1850 T 2.5A 250V T 1.25A 250V T 2.5A 250V T 1.25A 250V GPS-1850D T 2.5A 250V... -
Page 4: Constant Voltage Operation
Operation Temperature & O"C to 40°C, <80% Humidity Storage Temperature & -10°C to 70"C, <70% Humidity Accessories ..................Test Lead (current < (4AS current SIOA) ....................Operation Manual Constant Voltage Operation (1) Output voltage ranges 0 to rating voltage continuously adjustable. (2) Voltage regulation line regulation<O.O1%+3mV. -
Page 5: Insulation
Voltage range: 19.99V of full scale (rating voltage618V). 199.9V of full scale (rating voltage>20V). Current range: 1.999A of full scale (rating current<2A). 19.99A of full scale (rating currenta2A). (2) Analog Type Meter: Voltmeter and Ammeter each one. Class: 2.5 Dimensions: 50x50 m/m. Insulation Between chassis and output terminal. - Page 6 AC INPUT AUXILIARY REFERENCE RECTIFIER AND VOLTAGE TRANsFoRMER FILTER D l 0 2 1 SOURCE D l 0 2 4 , U l O l T S l 0 1 U 1 0 2 9 1 05.91 06 > REMOTE CONTROL MAIN RELAY *OR"GATE &...
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Page 7: Panel Controls And Indicators
PANEL CONTROLS AND INDICATORS Front panel CV indicator lights when the power turn on and constant voltage operation. CC indicator lights when this unit in constant current operation. Voltage coarse for the coarse adjustment of the output voltage. Voltage fine for the fine adjustment of the output voltage. - Page 8 LABORATORY DC POWER SUPPLY NAMPS~( / FIN COARSE FINE COARSE r O N 1 O F F Fig. 4-1 Front Panel (Digital Type)
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Page 9: Rear Panel
FIG. 4-3 REAR PANEL... -
Page 10: Operation Instructions
OPERATION INSTRUCTIONS Precaution AC input AC input should be within the range of line voltage 10% 50160Hz WARNING. To avoid electrical shock, the power cord protective grounding conductor must be connected to ground. (2) Installation Avoid using the supply in a place where ambient temperature exceeds 40°C. The heat sink located at the rear of the supply must have sufficient air space for radiation. -
Page 11: Crossover Point
Vo Max -Crossover Point Output Voltage Output Current Fig. 5-1 Constant VoltageIConstant Current Characteristic. Siinilarly, crossover from the constant current to the constant voltage mode automatically occurs from a decrease in load. A good example of this would be seen when charging a 12-volt battery. Initially, the open circuit voltage of the power supply may be preset for 13.8 volts. -
Page 12: Operation Mode
Operation Mode Single Operation Use the supply as it is for single operation. A. Set Power switch to "OFF" position. B. Make sure that line voltage is correct for the input power voltage. C. Plug power cord into the power outlet. D. - Page 13 I _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - REAR PANEL SER.
- Page 14 E. Set the SLAVE VOLTAGE and CURRENT control t o maximum output. F. When connected in series, from the master VOLTAGE controls of each power supply exercise control over 0 to rating range. Add the t w o voltmeter readings together t o determine the total output voltage, or an external voltmeter may be connect across the load.
- Page 15 REAR PANEL )INTJ SLAVE CONNECTED L - - - - - 7 POWER SUPPLY INTJ SLAVE - - - - - - - - Fig. 5-3 Connecting Two Power Supplies in Parallel.
- Page 16 (4) Remote control of output voltage The output voltage of the power supply can be remote-controlled with an external voltage, the connection scheme as follow, See Fig. 5-4. Fig. 5-4 REAR PANEL - - - REMOTE CONTROL VOLTAGE SOURCE POWER SUPPLY I I N T ~ S U V E Set the power supply INT-SLAVE switch to "SER-SLAVE"...
- Page 17 (5) Remote control of output current The output current of the power supply can be remote-controlled with an external voltage, the connection scheme as follow, See Fig. '5-5. Fig. 5-5 REAR PANEL REMOTE CONTROL VOLTAGE SOURCE POWER A. Set the power supply INT-SLAVE switch to "PAR-SLAVE" position. "+"...
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Page 18: Fuse Replacement
MAINTENANCE The following instructions.are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing other than contained in the operating instructions unless you are qualified to do so. Fuse Replacement If the fuse blows, the C V or C C indicators will not light and the power supply will not operate. The fuse should not normally open unless a problem has developed in the unit. -
Page 19: Cleaning
If readjustment is required, use the following procedure. Locations of the adjustments are shown in Fig. 6-1 and Fig. 6-2. Adjustment of the Rating Voltage A. Connect an accurate (f0.1%) external multimeter to measure the dc voltage at output terminals of the power supply. 6. - Page 20 MrN. MAX. 8". GPS-846 -1 V L O GPS-846 -2 VR301 VR107 VRlO8 GPS-846 -7 "I VR 109 GPS-846 -6 C I P VRllO V R l l 1 VR112 VRlO5 MAX. VOLTS. Fig. 6-1 Adjustment Location Fig. 6-2 Adjustment Location...
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