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LPS 305

Linear Programmable Power Supply

User

’s Manual

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Содержание LPS 305

Страница 1: ...LPS 305 Linear Programmable Power Supply User s Manual ...

Страница 2: ...e fuse 5 3 GETTING STARTED 6 3 1 Front panel controls and output terminals 6 3 2 LCD display message 8 REFER TO THE FIGURE B 8 3 3 Rear panel 9 4 OPERATION 10 4 1 Initial conditions 10 4 2 Control of output functions 10 4 3 Enabling Disabling the output 11 4 4 Overload protection of 5V or 3 3V output 11 5 CALIBRATION 12 6 USER MAINTENANCE SERVICE 15 6 1 Fuse Replacement 15 6 2 In Case of Difficult...

Страница 3: ......

Страница 4: ...h the third wire firmly connected to an electrical ground safety ground at the power outlet For instruments designed to be hard wired to the AC power lines supply mains connect the protective earth terminal to a protective conductor before any other connection is made Any interruption of the protective grounding conductor or disconnection of the protective earth terminal will cause a potential sho...

Страница 5: ...ld result in personal injury Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met CAUTION The CAUTION sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product Do not proceed beyond a CAUTION sign until the indicated co...

Страница 6: ...und 1 6 Specifications TRIPLE OUTPUT LINEAR POWER SUPPLY UP TO 165 WATTS Model LPS 305 MAX OUTPUT POWER 165 WATTS OUTPUT VOLTAGE Output Voltage 0 to 30V 0 to 30V Fixed 3 3V 5V Setting Resolution 10mV Max output voltage 32V 32V Dual tracking 0 to 30V Tracking deviation 20mV OUTPUT CURRENT Output Current 0 to 2 5A 0 to 2 5A 3A Setting Resolution 1mA Max output current 3A 3A Current limited approx 3 ...

Страница 7: ... rdg 2 digits Current Accuracy 0 5 of rdg 5 digits Common Mode Voltage 240Vdc Temperature ranges Operating 0 to 40 less than 80 RH Storage 40 to 70 less than 80 RH Dimensions W H L 8 4 5 2 15 7 Weight Approx 18 lbs Cooling Fan Cooled Power Source AC 115V 10 OR 230V 10 47 to 63Hz Current Consumption 2 88A AC 115V or 1 48A AC 230V Fuse Rating 5AT 250V for AC 115V 2 5AT 250V for AC 230V Options RS 23...

Страница 8: ...an operate without sacrificed performance within the temperature range of 0 to 40 measured at the fan intake The fan located at the rear of the unit cools the supply by drawing air in through the openings on the sides and exhausting it through the opening on the rear panel Since the power supply is fan cooled it must be installed in a location that allows sufficient clearance of 1 inch 25mm is req...

Страница 9: ...respectively If the key is pressed and held it will continually increase the setting until it is released Numeric entry key for number nine 6 down output control key used to decrease the voltage settings when the supply is in the CV mode or the current settings when the supply is in the CC mode by 10mV or 1mA per step If the key is pressed and held it will continually decrease the setting until it...

Страница 10: ...y which toggles the output on or off simultaneously 19 output terminal RED This terminal is used to output 30V 2 5A with respect to the COM1 terminal 20 COM1 Terminal BLACK The common terminal which is used for 30V 2 5A output 21 output Terminal WHITE This terminal is used to output 30V 2 5A with respect to the COM1 terminal 22 GDN Terminal GREEN This ground earth terminal is connected to the main...

Страница 11: ...16 15 17 18 2 24 23 11 O I POWER ON OFF 5V 3 3V COM1 0 4 TRACK 1 2 5 3 BEEP 6 7 3 4 8 9 6 5 10 OUTPUT VSET VSET 7 8 ISET ISET 9 240 Vc MAX FIGURE A 3 2 LCD display message REFER TO THE FIGURE B FIGURE B ALL OUTPUT OFF CV CV INDEP 5V 20 00V 15 00V CC CC TRACK 3 3V 3 4 1 2 ...

Страница 12: ...age and current for both channels When operating at the front panel the programmed functions e g Vset Iset etc and The preset values e g Vset 10 00V will be displayed Error conditions are also displayed on the LCD panel 3 3 Rear panel REFER TO FIGURE C 1 Input AC socket AC receptacle for power cord 2 Fuseholder Fuseholder for line fuse 3 RS 232C interface 9 pin female DCE interface 4 Label Indicat...

Страница 13: ...a mistake Pressing the ENTER key will enter the values displayed for the function indicated initiate that function initiate that function and return the display to the output off mode or to the metering mode output on in which the measured numbers will result in retention of the previous values and return to the previous mode You can also return to the previous mode at anytime by pressing the CLEA...

Страница 14: ... output disabled by the output on off key will be have as if it were programmed to zero volts 4 4 Overload protection of 5V or 3 3V output When the 5V or 3 3V output current is approximately 20 percent above the current output rating or if the output is shorted the overload protection circuit will be activated and the output will be disabled To reset the output first clear the condition that cause...

Страница 15: ... and key in the measured value i e if the DMM shows 9 487V then key in 9 487 followed by the ENTER key The following message will then appear on the LCD Step 3 Repeat step 2 Key in the measured value i e if the DMM shows 29 798V then key in 29 798 followed by the ENTER key The following message will then appear on the LCD V Lo 09 487 CV CV INDEP 5V ADC GET 01036 CC CC TRACK 3 3V V Hi 29 798 CV CV ...

Страница 16: ...on the LCD Step 6 Measure the DC voltage from output terminals and COM1 with the DMM and keyin the measured value i e if the DMM shows 9 624V then keyin 9 624 followed by the ENTER key The following message will then appear on the Step 7 Repeat step 6 Keyin the measured value i e if the DMM shows 30 036V then keyin 30 036 followed by the ENTER key The following message will then appear on the LCD ...

Страница 17: ...r on the LCD Step 9 Repeat step 8 Keyin the measured value i e if the DMM shows 2 418A then keyin 2 418 followed by the ENTER key The following message will then appear on the LCD ADC GET 00200 CV CV INDEP 5V I Lo 0 624 CC CC TRACK 3 3V ADC GET 02503 CV CV INDEP 5V I Hi 2 418 CC CC TRACK 3 3V MOTECH LPS 305 CV CV INDEP 5V Version 1 17 CC CC TRACK 3 3V ALL OUTPUT OFF CV CV INDEP 5V 10 00V 10 00V CC...

Страница 18: ...2 Remove and test the fuse The power supply will not function with an open fuse If the preceding two steps fail to resolve the problem NOTE ATTEMPTED REPAIR MODIFICATIONS OR TAMPERING BY UNAUTHORIZED PERSONNEL WILL VOID THE WARRANTY 6 3 If the ERROR 2 shows on LCD If the ERROR 2 shows on LCD the calibration data in the EEPROM has been erased The power supply needs to be recalibrated Please process...

Страница 19: ... Use async framing 8 data bits no parity bit 1 stop bit 3 Bit rate 2400bps 4 Every command string is terminated by CR or LF or BOTH carriage return 5 There is one command allowable in a command string 6 A command string enters before OK prompt will be reject no function 7 STATUS operation explanation After a TPT 3025 accept A STATUS command it will display a decimal number in ASCLL Convert this de...

Страница 20: ...17 Bit 9 0 beeper function off 1 beeper function on Bit 10 0 CC output compensated off 1 CC output compensated on ...

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Страница 22: ...ZOM 305MI 1B ...

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