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REGULATED DC POWER SUPPLY

USER MANUAL

SINGLE OUTPUT SWITCH MODE DC POWER SUPPLY

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Содержание HY1520EX

Страница 1: ...REGULATED DC POWER SUPPLY USER MANUAL SINGLE OUTPUT SWITCH MODE DC POWER SUPPLY ...

Страница 2: ...Both outputs are accurately displayed on the digital voltmeter and ammeter The DC power supplies in this series have high efficiency superior load and line regulation and low ripple noise These power supplies have high level of protection including over voltage over temperature and over load protection They can act as constant voltage as well as constant current sources Because of the excellent pr...

Страница 3: ...0A 15A 250V 15 HY5020EX 50V 20A 15A 250V 17 HY6020EX 60V 20A 15A 250V 16 2 2 Front Panel Descriptions 1 Trademark Volteq 2 Digital ammeter displays the actual output always this equates to the set value if in CC mode 3 Current knob Coarse for coarse adjustment of current limit 4 Current knob Fine for fine adjustment of current limit 5 CC indicator light this indicator turns red when the power supp...

Страница 4: ...he Out position Note For models with air switch this button enables disables the output Turn the air switch on first before turning this button on conversely turn this button off before switching off the air switch in the back For the models without air switch this button turns the power on and off 8 Front output terminals from left to right labeled as negative ground GND and positive The output i...

Страница 5: ...al voltmeter Displays the actual output voltage always this equates to the set value when in CV mode 11 OV Adjustment for setting the OV over voltage level See 3 5 with a flat head screwdriver not included 12 Voltage Adjustment fine for the fine adjustment of the voltage limit 13 Voltage Adjustment coarse for the coarse adjustment of the voltage limit 14 CV indicator this indicator light turns red...

Страница 6: ...r select models Warning To avoid electrical shock the power plug ground pin must be connected to AC ground Warning the voltage indicated on the power supply must match the AC voltage otherwise the power supply will be damaged plugging a power supply rated for 110V into 220V AC or the maximum output would not be reached plugging a 220V power supply into 110V AC 21 AC Input For power supply models n...

Страница 7: ...voltage is 110V the power supply will work with AC voltage of 110V 10 Warning The voltage indicated on the power supply look for a sticker on the case close to the rear must match the AC voltage otherwise the power supply will be damaged plugging a power supply rated for 110V into 220V AC such damages are not under warranty or the maximum output will not be reached plugging a 220V power supply int...

Страница 8: ...ad like magnetic coils DC motors stepper motors etc make sure to set the output to zero before connecting the load change the voltage current slowly and NEVER turn the power supply on or off with a inductive load connected 2 Installation For better heat dissipation the two sides and back of the power supply should have at least 10cm space from the walls The cooling fan is controlled by thermistor ...

Страница 9: ...to note that the voltage and the current are related by the Ohm s law so only one of the two is an independent variable The law dictates that the output current I in amps A is always equal to the output voltage V in volts V divided by the load resistance R in ohms Ω For example if the load resistance R is such that the current limit set by knobs 3 and 4 is higher than the voltage limit set by knob...

Страница 10: ...er supply and the power supply will operate in constant current mode with the maximum charging current equal to the set current limit As the battery becomes more charged the voltage will increase and eventually reach 13 8V Beyond that point the current demand from the battery will drop and fall below the set limit The crossover is signaled by the indicator light change from CC to CV 3 3 Operating ...

Страница 11: ...it the current while operating in the CV mode follow 3 4 first to set the current limit h Once finished turn the current down to 1A disconnect the load and then turn off the power supply 2 Constant Current Operation e Adjust current knobs knobs 3 or 4 to slightly above zero so that CV indicator light is on adjust voltage control knob 12 13 to set voltage to the desired voltage limit this is the up...

Страница 12: ...2 and 13 to set the voltage to desired charging voltage recommended by the battery manufacturer g Connect the battery while making sure that the polarity is correct to and to Disconnect the battery immediately if you made a mistake For output more than 10A you must use the rear terminals Warning damage caused by wrong polarity is not under warranty h Turn the coarse current knob up to the marked p...

Страница 13: ...Make sure both and terminals are connected correctly For output more than 10A you must use the rear terminals g For CV operation turn the current knobs to maximum position Slowly turn up the voltage until it reaches desired voltage level For CC operation turn the voltage knobs to maximum Slowly increase the current until it reaches the desired current level h Once finished slowly turn down either ...

Страница 14: ...just the CURRENT control knobs 3 4 to reach the desired current level repeat 3 if needed 5 The current limit has now been preset Do not change the CURRENT knobs 3 4 if you want to keep the same current limit or mark the positions of knobs 3 4 so you can return to the same level 6 Turn the voltage knobs down so the current meter reads less than 1A then remove the load between the and terminals and ...

Страница 15: ... power supply on 3 Use knobs 12 and 13 to adjust the voltage to 13 0V adjust current knobs if necessary to stay in CV mode 4 Slowly turn the OV adjustment 11 counterclockwise stop as soon as the OV light turns red The OV limit is set at 13 0V now 5 To reset the power supply turn the knob 12 and 13 counterclockwise to minimum position and turn the power supply off 6 Once the power supply is complet...

Страница 16: ...ar panel where power cord is plugged into the device as shown below Warning For continued fire protection replace fuse only with fuse of the specified type and rating All replacement fuses must be slow blowing type 4 2 Rest OV Protection When OV light is red the power supply is in OV protected state and will not respond to user input until the power supply is properly reset To reset the power supp...

Страница 17: ...nnect the load correct the cause of the over heating and the power supply will recover automatically Typical cause of over heating includes 1 Not enough ventilation due to space limit 2 Ambient temperature is too high 3 The cooling fan stops working 4 Output exceeds the rated range Caution the power supply can be operated at the maximum outputs both current and voltage for less than 15 minutes For...

Страница 18: ...Warranty this product is covered by standard one year manufacturer s warranty which includes parts and labor for one year from the date of purchase ...

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