DC POWER SUPPLY
Contents
1. 4 1 Replacingthe F se Aan acid 4 1 Chapter 1 Introduction This manual contains information and warnings which must be followed to ensure safe operation and retain the DC power supply in safe condition N WARNING READ SAFETY INFORMATION BEFORE USING INSTALLING OR MAINTENANCE THE INSTRUMENT The DC power supply series are a bench top single output variable DC power supply Stable regulated DC power supplies allowing continuous adjustment of both the output voltage and output current levels They have been designed according to 1010 1 concerning safety requirements and comply with There are three display types for the power supply series monitoring output voltage and current They are LCD LED and two pointer meters One of them is equipped to the DC power supply There are different numbers of output voltage and output current ranges for the DC power supply series too These difference models of the DC power supply are available for choice of user The output voltage and current range and equipped display type of the DC power supply series as follows OUTPUT VOLTAGE OUTPUT CURRENT DISPLAY TYPE regulated regulated POINTER METER 0 2 e 0 3A 0 15V DC Power Supply Series Introduction OUTPUT VOLTAGE OUTPUT CURRENT regulated regulated DISPLAY TYPE LED POINTER METER 0 2 0 18V2. AS a SS a ee ae a ae Se ee A SS RS SS AS DC POWER SUPPLY 1 DC POWER SUPPLY Users Manual 777 TS SN z SU OV 2 DC POWER o ux LL iv 5 VOLTAGE SN 9 FINE COARSE FIN C CURRENT HAT 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 nn UL A pa E INE COARSE Las 1 1 i 1 P i 040 M gt 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 introduction 1 1 Unpacking and Inspection 1 2 Safety Precautions e dee ls 1 2 Safety Information sss 1 3 SafetySymbolS 1 3 Instrument Front 2 1 4 Instrument Back Panel 2 1 6 2 2 1 Line Power Supply Setting 2 1 Operation Procedure 2 3 3 Specifications 3 1 General Specifications dials eA AeA 3 1 Technical Parameters 2 3 2 4 Maintenance 0 00
3. A CAUTION The applicable AC power supply range is 220VAC 10 198 to 242 50Hz 60Hz or 110VAC 10 98 to 122V 50Hz 60Hz NOTE The instrument without POWER SELECT SWITCH is factory pre set in accordance with your main voltage when your local distributor place the order with the factory 2 2 Operation Operating Procedure Operating Procedure CONSTANT VOLTAGE MODE Turn the voltage regulator anti clockwise to minimum position and the current regulator clockwise to maximum position 2 Press the power ON OFF switch to ON 3 Turn the voltage regulator clockwise to that you are desirous of output voltage value 4 Connect the positive output terminal and negative output terminal with a load or similar component 5 The voltage regulator controls the output voltage indicator Indicator shows that output voltage of the output terminals CONSTANT CURRENT MODE Turn the voltage regulator clockwise to maximum position and the current regulator anti clockwise to minimum position 2 Press the power ON OFF switch to ON 3 Connect the positive output terminal and negative output terminal with a load or similar component 4 Turn the current regulator clockwise to that you are desirous of output current value 5 The voltage regulator controls the output voltage indicator The current regulator controls the output current indicator Indicator show that output voltage and current of the output terminals
4. 12kg 0 20 15kg 291 L x 136 W x 158 365 L x 265 W x 164 0 2 Approx 5kg L x 136 W x 158 0 Approx 6kg Technical Parameters Input voltage 220V AC 10 50HZ 60HZ 2HZor110VAC 10 50HZ 60HZ 2HZ Voltage indication accuracy LED display and LCD display 1963 2digits Pointer meter display 2 5 Current indication accuracy LED display and LCD display 2 2digits Pointer meter display 2 5 Output Voltage and Current L W L W 365 L x 265 W x 164 L W L W 291 L x 136 W x 158 OUTPUT VOLTAGE regulated OUTPUT CURRENT regulated 0 15V 0 2 0 0 2 0 18V 0 3A 0 2 0 30V 0 3A Specifications Technical Parameters Output Voltage and Current OUTPUT VOLTAGE regulated OUTPUT CURRENT regulated 0 5 0 30V 0 10A 0 20A 0 2A 0 50V 0 3A Source Effect Line regulation CV lt 0 01 1mV lt 0 2 1 Loading Effect Load regulation CVx0 0196 3mV lt 0 2 3 Ripple and noise CV x 0 5mVr m s CCx3mAr m s To obtain the stability guarantee of source and loading effect allow the instrument to warm up for at least 15 minutes Chapter 4 Maintenance Introduction Do not attempt to repair or service your instrument unless you are qualified to do so and have the relevant calibration performance test and service information Replaci
5. 0 3A 0 2 0 0 5A 0 10 0 20 0 2 0 These difference models of the DC power supply are available for choice of user Unpacking and Inspection The packing should include the following items 1 DC power supply 2 Power line cord 3 Instruction manual 4 Spare fuse Please check to see that all of the above items are included A Safety Precautions 1 Before applying power to your DC power supply make sure that power select switch is correctly setting for you applicable AC 1 2 DC Power Supply Users Manual power supply 2 Connect the instrument to an AC power source using the power line core provided 3 Do not connect a voltage that is greater than the current output voltage to the terminals of the instrument 4 Never ground yourself when taking electrical measurements Keep your body isolated from ground by using dry clothing rubber shoes rubber mat or any approved insulating material 5 Never touch exposed wiring connections or any live circuit when attempting to take measurements 6 Avoid shorting circuit the output of DC power supply 7 Set the voltage and current adjustment knobs as you desire 8 The unit should be stored in a dry and well ventilated place and the power cord removed if storing for long periods A Safety Information The DC power supply series has been designed according to IEC1010 1 concerning safety requirements for electrical
6. RESTRICTED CURRENT PROTECTION MODE 15 Press the power ON OFF switch to ON Turn the current regulator anti clockwise to minimum position then clockwise a little Turn the voltage regulator clockwise to that you are desirous of output voltage level position approx 1 5V Link the positive and negative output terminals with a wire Turn the current regulator clockwise to get the current level at which the restricted current protection will be active as you desire 2 3 DC Power Supply Users Manual 6 Remove the wire linked to the positive and negative output terminals Connect the positive output terminal and negative output terminal with a load or similar component 7 When the output current achieves the setting value of restricted current protection and the restricted current protection is active NOTE After setting of the restricted current protection if the current regulator is turned again the restricted current protection range will be changed C C AND C V INDICATOR Only for the instrument with C C and C V INDICATOR The C C indicator is controlled by the constant current mode Otherwise C V indicator is controlled by the constant voltage mode A CAUTION The DC power supply series has perfect restricted current protection Even so when the output terminal is short circuit the DC power supply should be turned off and the short circuit should be removed before continuing operation because the
7. RIOI IKOF 0 5W 0 360 5W R99 0 3601 5w 1000J 5W 100F 0 5W of o R9 IKOJ 5W 11 C6A B 4700uF 63 V LEDI 5 17741 PCB HY3020 2 R20 3 9KQF 21 15KQF R22 3 9 R25 2 2uF 25V 680KOF hal is 2 17741 R23 7 5 cll luF 50V PCB HY3020 2 R34 24 R26 15 R35 15 5V uF 2 22 2 04 63 F C80 470uF 63V D80 13540 020 6 5A250V 2 bd 3002 2 HHX Cs E PCB HY3003 1 VOT HY3010 M HERRER 2 fi 020 E 2 E 1 IME 20001 31 010
8. measuring instruments with an overvoltage category 300V CAT II and pollution 2 Safety Symbols Important safety information refer to the operating manual DC Direct current Earth ground 1 3 Introduction Safety Precautions 1 N Caution Hot surface Avoid contact C Conforms to European Union directives Instrument Front panel Figure 1 1 E 1 II e e 3 CURRENT O 5 j CURRENT p or AGE 6 8 3 FINE COARSE FINE COARSE OFF 8 m 9 9 6 121 i OFF ON LU J NIE 9 O 15 18 30 50V 2 3 5A DC Power Supply Users Manual IIll 9 O 2 FINE COARSE FINE COARSE ES VOLTAGE gt 0N OFFE E 8 M 000 30V 10 20A 1 OUTPUT VOLTAGE INDICATOR This indicator shows output voltage as measured at the output terminals There is LCD or LED or pointer meter display type They are available for choice of user 2 OUTPUT CURRENT INDICATOR Th
9. power transistors in the instrument will bear heavy The AC power must be switched off before servicing and servicing should be referred to a qualified person caution Using this appliance in an environment with a strong radiated radio frequency electromagnetic field approximately 3V m may influence its measuring accuracy General Specifications Safety Temperature Relative Humidity Protection Weight 8 Size OUTPUT VOLTAGE regulated Chapter 3 Specifications Designed comply with 1010 1 specifications CAT II 300V 0 to 40 C for operating 10 to 50 for storage Under 75 rated output power for continuous upward of 7596 rate output power for one hour 2096 to 80 RH 0 C to 40 C constant current and short circuit protection OUTPUT CURRENT regulated WEIGHT SIZE 0 15V 0 2 3kg 206 L x 110 W x 153 0 4kg 206 L x 110 W x 153 0 18V 0 2 4kg 0 4 5kg 0 30V 0 2 4kg 291 1 x 136 W x 158 0 5kg L W L W 206 L x 110 W x 153 H 206 L x 110 W x 153 H L L 291 L x 136 W x 158 H mm mm mm mm mm mm 3 1 DC Power Supply Users Manual OUTPUT VOLTAGE regulated OUTPUT CURRENT regulated WEIGHT SIZE 0 3kg 0 30V 0 10
10. is indicator shows output current as measured at the output terminals There is LCD or LED or pointer meter display type They are available for choice of user 3 COARSE MAIN VOLTAGE REGULATOR Introduction Instrument Front Panel 10 11 12 13 Adjust output voltage of the DC power supply FINE VOLTAGE REGULATOR This is a fine control Adjust output voltage of the DC power supply COARSE MAIN CURRENT REGULATOR Adjust output current of the DC power supply and delivered FINE CURRENT REGULATOR This is a fine control Adjust output current of the DC power supply and delivered C C INDICATOR Constant current mode indicator C V INDICATOR Constant voltage mode indicator POWER ON OFF SWITCH This is main power switch of the instrument NEGATIVE OUTPUT TERMINAL GROUND OUTPUT TERMINAL POSITIVE OUTPUT TERMINAL POINT METER ZERO only pointer meter display Each pointer meter has a mechanical screw adjustment for setting the zero point Using a small screwdriver turn off the power and adjust the screw under the meter respectively to read zero There is only pointer meter model Instrument Back Panel Figure 1 2 1 2 HEAT SINK There is an on the heat sink It indicates caution Hot surface avoid contact POWER SELECT SWITCH 1 6 DC Power Supply Users Manual Two kinds of power 220VAC and 110VAC 50Hz 60Hz can be supplied to the instrument According to user s needs setting it 3 FUSES The
11. ng the Fuse A WARNING Turn off the power switch remove the power line cord from the power socket and disconnect the test leads at output terminals before replacing the fuse Replace it only with same type of fuse 4 1 4 2 4 Replacing the Fuse B j A ruseTis ose E 3249806 LOH E 15 18V FUSE FUSE T tA L 250V 05X2 Figure 4 1 30 50V FUSE DC Power Supply Users Manual 4 3 Figure 4 2 WLS303 1N4002 1N4002 D3 D4 1N4002 Ul L78I2CV Vin 2 220uF 25V 4300F 0 5W 23 220uF 25V E c2 r 220uF 25V R7 5600 2W 7 47uF 25V OKQF 0 5W 2 R3 4700F 0 5W 2 D5 1400 233055 10 010 FUSE1 lt R8 R103 0 360 5W
12. re are two fuses in the AC power input socket One is in use and the other is for spare part The fuse of The DC power supply series as follows OUTPUT VOLTAGE Regulated OUTPUT CURRENT regulated FUSE TYPE line 220 FUSE TYPE line 110VAC 0 15V 0 2 T1AL250V T 2AL 250V 0 T 1AL 250V T 2AL 250V 0 18V 0 2 T1AL250V T 2AL 250V 0 T 1AL 250V T 2AL 250V 0 2 T1AL250V T 2AL 250 0 T 2A L 250V T 4AL 250V 0 5A T 3 15A 250V T 6 3A L 250V 0 10A T 250V T 10 1 250V 0 20 T 8AL 250 T 15AL 250V 4 AC POWER INPUT 0 2 T 2AL 250V T 4AL 250V 0 T 3 15A L 250V T 6 3A L 250V 1 8 Introduction Instrument Back Panel 30 50V 2 3 54 15 18V 30V 10A Figure 1 2 DC Power Supply Users Manual ZN WARNING To avoid user for injury and the instrument for damage the
13. voltage value of AC power must be examined with same the power requirements of instrument before connect power cord to live power source ZA WARNING To avoid electrical shock disconnect power cord from live power source and remove the test leads and any input signals before replacing the power fuses Replace it only with the same type of fuses 1 9 Chapter 2 Operation Introduction N WARNING To avoid electric shock or personal injury read Safety Precautions and Safety Information before Operation Before making any operation always examine the DC power supply and accessories used with it for damage contamination excessive dirt grease etc and defects Examine the test leads for cracked or frayed insulation and make sure the lead plugs fit snugly into the output jacks If any abnormal exist do not attempt to make any operation Line Power Supply Setting Figure 2 1 Only for the instrument with POWER SELECT SWITCH Two kinds of AC line 220VAC 50Hz 60Hz or 110VAC 50Hz 60Hz can be supplied to the instrument Set it with a screwdriver to adapt your AC line Check to be sure that power select switch on back panel is switch to correct line voltage Check to be sure that fuse is correct rating current 2 1 DC Power Supply Users Manual Figure 2 1 CAUTION 19870242V 50 60Hz CAUTION 98T0122V 19870242V 50 60Hz 50 60Hz 98T0122V 50 60Hz
Download Pdf Manuals
Related Search