Operating Instruction
Contents
1. N The size of each setting step can be changed by using the symbol P const flashes The power limit can now be 7 N Normal key In connection with the F key adjusted to 1 W steps by using the encoder wheel If the so alled tual locking achieve IP LIMIT key is now pressed for longer than 2s the E If the N key is pressed the fine symbol disappears from power upper limit will again be set at 200 W To the display If the F key is pressed the symbol fine 14 15 PSP SERIES USER MANUAL appears on the display LOCK Pressing the LOCK key locks blocks all keys and the encoder wheel against inadvertent adjustment Only the Power switch remains active Locking is indicated by the locked symbol in the bottom line of the display If the LOCK key is pressed again gt approx 2s then the operating elements are released again unlocked D Adjusting the output E OUTPUT The output of the power supply is switched on or off via a relay with the OUTPUT key In the process the status On or Off is indicated at the bottom right of the display On switching the power supply on the output is always in switched off status gt settings o Under output off status2. Note The setting is workable through computer only when the remote is at 1 SV Function Add one unit to the present voltage setting Syntax SV lt cr gt HEX 53 56 2B 0D Explain When the message of SV lt cr gt is sent to the power supply from computer the power supply will add one unit to the present voltage setting immediately 29 PSP SERIES USER MANUAL Example The present output voltage is at 20 00V and the wheel knob status is at normal the SV lt cr gt message is sent to the power supply the voltage of which will become 21 00V SV Function Subtract one unit from the present voltage setting Syntax SV lt cr gt HEX 53 56 2D 0D Explain When the message of SV lt cr gt is sent to the power supply from computer the power supply will subtract one unit from the present voltage setting immediately Example The present output voltage is at 20 00V and the wheel knob status is at normal the SV lt cr gt message is sent to the power supply the voltage of which will become 19 00V SU Function Add one unit to the present voltage limit setting Syntax SUt lt cr gt HEX 53 55 2B 0D Explain When the message of SU lt cr gt is sent to the power supply from computer the power supply will add one unit to the present voltage limit setting immediately 30 PSP SERIES USER MANUAL Example The present voltage limit is at 30V and the wheel knob status is at no
3. During operation output On the voltage output can independently of its setting by the maximum output also be adjusted up to the set limit power setting The voltage upper limit does not I LIMIT Current limit change Press the I LIMIT key in the LIMITS field until the C KEY INPUT field settings symbol I const flashes The current limit can now be V SET Using the V SET key the output voltage can be adjusted adjusted to ImA 2mA 10mA fine or 100mA up to the preset upper limit directly For this the V SET norm coarse steps by using the encoder wheel If key must be pressed and held and the voltage changed the I LIMIT key is now pressed for longer than 2s the with the encoder wheel If the fine F key is selected current upper limit will again be set at rating current the changes occur in 10 mV and 20mV steps If To complete the input press the ENTER key An norm N key is selected the changes occur in 1V inadvertently wrong set limit setting can be erased reset steps with the CE key As a result of this the previous set ENTER Each input via the LIMITS keypad is completed with the value will be indicated and the setting menu exited The ENTER key I const will no longer flash CE Any values incorrectly entered via the LIMITS keypad IP LIMIT Power limit can be reset with the CE key Press the P LIMIT key in the LIMITS field until the
4. 4B 4E 0D Explain When the message of KN lt cr gt is sent to the power supply from computer the power supply will set the wheel knob to Normal status immediately Example The present wheel knob status is at Fine the KN lt cr gt message is sent to the power supply the wheel knob status will become Normal KO Function Set the Relay status to Invert Syntax KO lt cr gt HEX 4B 4F 0D Explain When the message of KO lt cr gt is sent to the power supply from computer the power supply will invert the relay status immediately Example The present relay status is at OFF the KO lt cr gt message is sent to the power supply the relay status will become ON send the message again will become OFF 36 PSP SERIES USER MANUAL KOE Function Set the Relay status to ON Syntax KOE lt cr gt HEX 4B 4F 45 0D Explain When the message of KOE lt cr gt is sent to the power supply from computer whatever the relay status is the relay of power supply will be set to ON immediately KOD Function Set the Relay status to OFF Syntax KOD lt cr gt HEX 4B 4F 44 0D Explain When the message of KOD lt cr gt is sent to the power supply from computer whatever the relay status is the relay of power supply will be set to OFF immediately EEP Function Save the present status to the EEPROM Syntax EEP lt cr gt HEX 45 45 50 OD Explain When the message of EEP lt cr gt is sent to the power
5. PSP SERIES USER MANUAL Thunderstorms or storm conditions such as strong electrostatic fields etc Any use other than above description may leads to damage to the unit or causes dangers such as short circuit fire electric shock etc No part of the product may be modified or converted The safety instructions are to be followed without fail PSP SERIES USER MANUAL 2 Safety Information A Note Damage caused by failure to observe the operating instructions voids the guarantee We accept no liability for consequential damage and accept no responsibility for damage to property or injury to persons caused by improper operation or failure to observe the safety instructions Such cases void the guarantee a Installation and handling safety instructions Observe the following rules when installing the instrument al Avoid use the instrument in extremely cold or hot locations or directly adjacent to a heating fan a2 Never switch the instrument on immediately when it is brought from a cold environment into a warm room until the instrument comes to room temperature as under the adverse conditions the resultant condensation may destroy the instrument a3 Ensure there is proper ventilation for the vents in the case front left side and cooling fan on the rear to prevent heat build up from damaging the instrument a4 Never operate the instrument near hot soldering irons a5 Do not place the Power Supply with i
6. both sides Once you have set these parameters you can control the power supply through the RS232 interface e Baud rate 2400 baud Parity bit none Data bit 8 bits Stop bit 1 stop bit Data flow control none Notes for RS232 installation The power supply is a DTE device with a 9 pin D type shell RS232 connector located on the rear panel Figure 1 shows the equipment of 9 pin connector Male with its pin number assignments Figure 2 shows the wiring configuration for DB9 to DB9 When the programmable power supply is set up with a RS232 interface please check the following points e Do not connect the output line of one DTE device to the output line of the other e Many devices require a constant high signal on one or more input pins e Ensure that the signal ground of the equipment is connected to the signal ground of the external device e Ensure that the chassis ground of the equipment is connected to the chassis ground of the external device e Donot use more than 15m of cable to connect devices to a PC e Ensure the same baud rate is used on the device as the one used on PC terminal e Ensure the connector for the both side of cable and the internal connected line are met the demand of the instrument 21 PSP SERIES USER MANUAL 1 No connection 2 Receive Data RxD input 3 Transmit Data TxD output 4 12V Input input 5 Signal Ground GND 6 No connection 7 No connection 8 No connec
7. press key once the LCD display will indicate xxx the multiple value of the original storage data now set the value by using the knob and press enter key to save it Afterward when the output is in the ON status press key the output will be changed according to the saved multiple value Under output off status press key once the LCD display will indicate xxx the multiple value of the original storage data now set the value by using the knob and press enter key to save it Afterward when the output is in the ON status press key the output will be changed according to the saved multiple value 16 PSP SERIES USER MANUAL For example Set the output voltage as 10 00V the save value of is 105 and the save value of is 95 The key is pressed output voltage will be changed to 10 00V x 1 05 10 50V while the key is pressed output voltage will be changed to 10 00V x 0 95 9 50V The output voltage will be back to normal by pressing the normal key F REM key A serial RS 232 interface is incorporated on the rear of the case With the appropriate interface cable and optional software communication with an IBM compatible PC is therefore possible The interface is naturally via an optocoupler REMI Clear the Remote Control mode and use panel control setting instead Thereupon as with LOCK all operating elements except POWER are locked against direct inp
8. supply from computer the power supply will be save the present setting value to EEPROM immediately 37 PSP SERIES USER MANUAL B Function To obtain value Syntax B lt cr gt HEX 42 0D Explain When the message of B lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Bbbb lt cr gt 4 characters totally CR LF The contents consist of the uppercase B and the numeral from 0 to 9 Further details is described as follows bbb The present value the unit When the uppercase B becoming the lowercase b means that the status is in the setting of the mode D Function To obtain value Syntax D lt cr gt HEX 44 0D 38 PSP SERIES USER MANUAL Explain When the message of D lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Dddd lt cr gt 4 characters totally CR LF The contents consist of the uppercase D and the numeral from 0 to 9 Further details is described as follows ddd The present value the unit When the uppercase D becoming the lowercase d means that the status is in the setting of the mode Q Function Display the present value at or mode Syntax O lt cr gt HEX 51 OD Explain When the message of O lt cr gt is sent to the power supply from computer the power supply will return the following message immedia
9. PSP 405 PSP 2010 Operating voltage 115 230 VAC 15 Power frequency 50 60 Hz Power consumption approx 420VA max Power output 200W max Output voltage 0 60VDC 0 40VDC 0 20VDC 20mV resolution 10mV resolution 10mV resolution Program Accuracy 0 05 4 digits 0 05 3 digits 0 05 3 digits Output Current 0 3 5A 0 5A 0 10A 2mA resolution 2mA resolution 5mA resolution Program Accuracy 0 1 5 digits 0 1 5 digits 0 3 10 digits Voltage Load lt 10mV Regulation Current Load lt Sank Regulation Voltage Line lt 0 05 Regulation Current Line lt 0 05 Regulation Ripple Voltage lt 20 mV rms Ripple Current lt 10mArms Readbapk Resolunen ainean 10mV2mA 10mV 5mA Meter Readback Accuracy Meter Voltage 0 05 4 digits 0 05 3 digits 0 05 3 digits Current 0 1 5 digits 0 1 5 digits 0 3 10 digits Digital Display Multi line LCD with background lighting AC fuse Slow blow T6 3A 250V for 115V T3 15A 250V for 230V Weight Approx 4 kgs Dimensions Approx 225x100x305 m m W x H x L without stand and power cable PSP SERIES USER MANUAL Environmental Conditions Operating Environment Indoor use altitude up to 2000m Ambient Temperature 0 C to 40 C Relative Humidity 80 Maximum Installation category II Pollution Degree 2 Operating temperature amp 0 C to 40 C Humidity 80 Maximum non conden
10. PSP SERIES PSP SERIES USER MANUAL USER MANUAL CONTENTS PAGE Declaration of Conformity 1 Product Introduction cssccscccsssssccscsscssssscesssscsssceseees I We 2 Safety Trnformation cccccccccccscssceccccescecccccscesceees 3 GOOD WILL INSTRUMENT CO LTD 3 Technical Specification A Seisa svderaes ie 7 No 95 11 Pao Chung Rd Hsin Tien City Taipei Hsien Taiwan Panel Control d Indicat declares that the below mentioned product anel Controls and Indicator sce cccccccccccccccccces eo cccccece 4 I 9 PSP 603 PSP 405 PSP 2010 s Functional Description of Operation Element 12 Are herewith confirmed to comply with the requirements set out in the Council 4 Directive on the Approximation of the Law of Member States relating to 6 Operating Instruction with Keypad Input sssssssssssseeees 13 Electromagnetic Compatibility 89 336 EEC 92 31 EEC 93 68 EEC and Low Voltage Equipment Directive 73 23 EEC For the evaluation regarding the 7 5 DispoSallicsscccicsccscsedecsedscecscioccedseeesecschdecestisesessecedesssees 17 Electromagnetic Compatibility and Low Voltage Equipment Directive the following i standards were applied 8 Rectification of Faults ARET ETET oea 18 EMC 9 Maintenanee ST 19 EN 61326 1 Electrical equipment for measurement control and laboratory use 10 APPENDIX Connecting the Programmable Powe
11. SP 100 Set power limit to 100W The power setting changes the current limit only the voltage limit will remain unchanged 44
12. damage Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents Do not use abrasive cleaners on any portion of the instrument 9 4 Fan Control 1 The fan of the power supply will not work upon power on until the temperature or load current reaches the condition as follows Temperature oriented When the temperature of the power supply reaches to range of 45 C 5 C for 5 to 6 seconds the fan starts to work while the temperature is less than 40 C 5 C the fan stops rolling Load current oriented The load current varies with different model of power supplies After the load current reaches to the value as shown below the fan will keep on rolling Model Load Current Fan Load Current Fan PSP 405 2 10A 50mA On 1 80A 50mA Off PSP 603 1 40A 50mA On 1 20A 50mA Off PSP 2010 2 10A 50mA On 1 80 A 50mA Off 2 To avoid damaging the power supply if the fan failed to work when the temperature or current has reached to the specific condition please power off the instrument and contact our local distributor for service 20 PSP SERIES USER MANUAL 10 APPENDIX Connecting the Programmable Power Supply via RS232 Interface The RS232 interface capabilities The RS232 interface provides a point to point connection between two items of eguipment such as a computer and the power supply There are some parameters you need to set on the
13. details is described as follows VV VV The present output voltage the unit V a aaa The present output current the unit A WWW W The present output load the unit W uu The maximum voltage limit at present the unit V Lii The maximum current limit at present the unit A ppp The maximum load limit at present the unit W 23 PSP SERIES USER MANUAL ffffff The status of power supply at present 1 f the relay status 0 OFF 1 0N 2 f the temperature status 0 Normal 1 Overheat 3 f the wheel knob status 0 Normal 1 Fine 4 f the wheel knob status 0 Lock 1 Unlock 5 f the remote status 0 Normal 1 Remote 6 f the lock status 0 Unlock 1 Lock Note The setting is workable through computer only when the remote is at 1 All the data above is in the range from 0 to 9 When the uppercase U becoming the lowercase u means that the status is in the setting of the voltage limit mode When the uppercase I becoming the lowercase 1 means that the status is in the setting of the current limit mode When the uppercase P becoming the lowercase p means that the status is in the setting of the load limit mode Example The return message from power supply is V20 00A2 500W050 0U4015 00P200F101000 lt cr gt V20 00 means that the present output voltage is at 20 00V A2 500 means that the present output current is at 2 500A W050 0 means that the present output load is at 050 0W U40 means that the pres
14. e value is at 91 41 PSP SERIES USER MANUAL SD Function To decrease one unit from the present setting of Syntax SD lt cr gt HEX 53 44 2D OD Explain When the message of SD lt cr gt is sent to the power supply from computer the power supply will decrease one unit from the present setting of immediately Example The present value is at 90 after the command is sent from computer the value is at 89 SV Function Set the output voltage value Syntax SV XX XX X is anumber between 0 and 9 Explain The power supply will set the desired value of output voltage when the command is received 42 PSP SERIES USER MANUAL Example SV 12 34 Set output voltage to 12 34V SU Function Set voltage limit Syntax SU xx x is a number between 0 and 9 Explain The power supply will set desired up limit value of the voltage when the command is received Example SU 20 Set voltage limit to 20V SI Function Set current limit Syntax SI x xx x is a number between 0 and 9 43 PSP SERIES USER MANUAL Explain The power supply will set desired up limit value of the current when the command is received Example SU 1 25 Set current limit to 1 25A SP Function Set power limit Syntax SP XXX x is a number between 0 and 9 Explain The power supply will set desired up limit value of the power when the command is received Example
15. e 4 mm sockets of the instrument is well fit of no damage B Setting the limits The voltage current and power output values are each limited to a maximum This upper limit can be varied downwards Setting the limits is carried out using the V LIMIT I LIMIT P LIMIT p gt eel gt gt keys as follows V LIMIT Voltage limit Press the V LIMIT key in the LIMITS field until the symbol U const flashes The voltage limit can now be adjusted to 1V steps by using the encoder wheel If the V LIMIT key is now pressed for longer than 2s 13 PSP SERIES PSP SERIES USER MANUAL USER MANUAL the voltage upper limit will again be set at rating complete the input press the ENTER key An voltage To complete the input press the ENTER inadvertently wrong set limit setting can be erased reset key An inadvertently wrong set limit setting can be with the CE key As a result of this the previous set erased reset with the CE key As a result of this the value will be indicated and the setting menu exited The previous set value will be indicated and the setting P const will no longer flash menu exited The U const will no longer flash Attention The current I LIMIT is adjusted
16. e message of W lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Wwww w lt cr gt 6 characters totally CR LF The contents consist of the uppercase W the numeral from 0 to 9 and decimal Further details is described as follows www w The present output load the unit W 26 PSP SERIES USER MANUAL U Function The maximum voltage limit at present the unit is V Syntax U lt cr gt HEX 55 0D Explain When the message of U lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Uuu lt cr gt 3 characters totally CR LF The contents consist of the uppercase U and the numeral from 0 to 9 Further details is described as follows uu The maximum voltage limit at present the unit V When the uppercase U becoming the lowercase u means that the power supply is in the setting status of voltage limit mode T Function The maximum current limit at present the unit is A Syntax I lt cr gt HEX 49 0D Explain When the message of I lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Ii iii lt cr gt 5 characters totally CR LF The contents consist of the uppercase I the numeral from 0 to 9 and 27 PSP SERIES USER MANUAL decimal Further details is described as follows 1 11 The maximum current limit a
17. ent voltage limit is at 40V 15 00 means that the present current limit is at 5 00A P200 means that the present load limit is at 200W 24 PSP SERIES USER MANUAL F101000 A Not yet getting into Lock mode Not yet getting into Remote mode Wheel knob setting acceptable this signal can be ignored Wheel knob is in the Fine mode The temperature isn t overheat Relay on V Function The present output voltage the unit is V Syntax V lt cr gt HEX 56 OD Explain When the message of V lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Vvv vv lt cr gt 6 characters totally CR LF The contents consist of the uppercase V the numeral from 0 to 9 and decimal Further details is described as follows vv vv The present output voltage the unit V 25 PSP SERIES USER MANUAL A Function The present output current the unitis A Syntax A lt cr gt HEX 41 0D Explain When the message of A lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Aa aaa lt cr gt 6 characters totally CR LF The contents consist of the uppercase A the numeral from 0 to 9 and decimal Further details is described as follows a aaa The present output current the unit A W Function The present output load the unit is W Syntax W lt cr gt HEX 57 0D Explain When th
18. fective fuse and replace it with an intact one of the same type and nominal current rating Afterwards replace the fuse cover The measuring instrument is operated only when the case is securely closed and screwed up PSP SERIES USER MANUAL While proceeding the operation of power supplies the wearing of metal or other conducting jewelry such as chains bracelets rings etc is not recommended A Note Power supplies are not intended for use with on people or animals When connecting the outputs of more than one power supply in series voltages may danger to life gt 35 VDC Only power supplies with an identical output current and voltage specification may be placed in series or in parallel otherwise the weaker of the two will be damaged The instrument is to be placed onto a hard non inflammable base so that cooling air can enter unhindered The cooling of the unit occurs predominantly through convection Note Power supply ventilation holes should not be covered Power supplies and their connected loads should not be left operating unsupervised There are measures for the protection and safety of connected loads in the face of power supply incidents e g overvoltages complete failure and effects and dangers stemming from the loads themselves e g unduly high current consumption Faulty power supplies can produce voltages over 50 V DC which can be dangerous even when the indicated normal output voltages of the un
19. he SUM lt cr gt message is sent to the power supply the voltage limit of which will become 40V SIM Function Set the maximum current limit value Syntax SIM lt cr gt HEX 53 49 4D 0D Explain When the message of SIM lt cr gt is sent to the power supply from computer the power supply will set the current limit to the maximum immediately 34 PSP SERIES USER MANUAL Example The present current limit is at 2 50A the SIM lt cr gt message is sent to the power supply the current limit of which will become 5 00A SPM Function Set the maximum load limit value Syntax SPM lt cr gt HEX 53 50 4D 0D Explain When the message of SPM lt cr gt is sent to the power supply from computer the power supply will set the load limit to the maximum immediately Example The present load limit is at 100W the SPM lt cr gt message is sent to the power supply the load limit of which will become 200W KF Function Set the wheel knob to Fine status Syntax KF lt cr gt HEX 4B 46 0D Explain When the message of KF lt cr gt is sent to the power supply from computer the power supply will set the wheel knob to Fine status immediately Example The present wheel knob status is at Normal the KF lt cr gt message is 35 PSP SERIES USER MANUAL sent to the power supply the wheel knob status will become Fine KN Function Set the wheel knob to Normal status Syntax KF lt cr gt HEX
20. ied type and rating and disconnect of covers or removal of parts can expose voltage carrying components Connection points may also be live Before any adjustment maintenance repair or exchange of parts or assemblies requiring opening of the unit the unit must be 9 2 Line Voltage conversion disconnected from all voltage sources and measurement circuits If the adjustment maintenance or repair is subsequently required for the open unit these must only be operation from 115 230 VAC 50 60 Hz line voltage Conversion from performed by a specialist familiar with the associated hazards and relevant regulations VDE 0100 VDE 0701 VDE0683 shown in Fig 4 2 Capacitors within t he instrument can remain charged To convert to different line voltage perform the following procedure even when the unit has been disconnected from all voltage sources and measurement circuits Attention Except when this is possible manually the opening N the power cord before replacing fuse The primary winding of the power transformer is tapped to permit one line voltage to another is done by change AC selects switch as 1 Make sure the power cord is unplugged 2 Set the AC switch to the desired line voltage position 18 19 PSP SERIES USER MANUAL 9 3 Cleaning To clean the power supply use a soft cloth dampened in a solution of mild detergent and water Do not spray cleaner directly onto the instrument since it may leak into the cabinet and cause
21. inal Chassis Terminal Terminal PSP SERIES USER MANUAL 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 Live Phase As the colours of the wires in main leads may not correspond with the colours marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with the letter E or by the earth symbol S or coloured Green or Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black PSP SERIES USER MANUAL The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide cable of 0 75mm should be protected by a 3A or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any moulded mains connector that requires removal replacement must be destro
22. its are lower than this Note For power on work only tools expressly intended AN for this should be used PSP SERIES USER MANUAL The power supply outputs and connecting leads sockets and terminals must be protected from being touched directly In addition the leads used must be sufficiently insulated and voltage proof and the contact points safe from being touched safety sockets Use of bare metal leads and contacts should be avoided All such items are to be covered by suitable nonflammable insulating material or other measures taken and therefore protected from being touched directly The electrically conducting parts of the connected load must also be appropriately protected from being touched directly If the instrument is assumed that safe operation is no longer possible according to the following phenomena then the unit must be switched off and protected against unintentional operation the unit shows visible signs of damage the unit no longer functions and after prolonged storage under unfavourable conditions or after severe transportation stress Do switch on the switched power supply immediately when it has been brought from a cold environment into a warm room until it comes to room temperature as under adverse conditions the resultant condensation can destroy the unit PSP SERIES USER MANUAL 3 Technical Specifications Model PSP 603
23. nd short circuits at its output a fan controlled by a temperature circuit protects the power supply its electronics from thermal overload During such an overload short circuit or overload the output is regulated down i e the voltage is reduced Only when the short circuit has been remedied is the output released The set values can be read via the illuminated multiple line LCD display The voltage current or power setting is adjusted by means of an encoder wheel in 10mV 20mV ImA 2mA 10mA and 1 W steps respectively Therefore the exact adjustment of the output voltage and the current limit and maximum output power is possible However observe the safety hints without fail 12 PSP SERIES USER MANUAL 6 Operating Instructions with keypad input A Basic setting a Connect the AC power cable to the AC power socket and ensure that it is firmly seated Then plug the earthed power plug into an earthed AC power socket Attention The continuity of the safety earth wire must be A N unbroken within the instrument within the AC power cable and within the AC power socket otherwise life will be endangered b Press the AC power On Off switch Attention The earth connector in the front of the N instrument and the RS 232 interface connector earth are connected directly with the earthing wire of the AC power input socket and of the connected AC power socket Before operating the instrument each time first check and ensure that th
24. r Supply EMC requirements 1997 A1 1998 via RS232 Interface POTS TT TTT TT TTT 0000000000000000000000050000000600000000000000000000000 21 Conducted and Radiated Emissions Electrostatic Discharge EN 55011 1998 Current Harmonic EN 61000 3 2 1995 A1 1998 A2 1998 Voltage Fluctuation EN 61000 3 3 1995 m N 61000 4 2 1995 A1 1998 adiated Immunity 61000 4 3 1996 ectrical Fast Transients N 61000 4 4 1995 urge Immunity N 61000 4 5 1995 onducted Susceptibility N 61000 4 6 1996 F Magnetic Field N 61000 4 8 1993 m 2 mo n m Q m m w ltage Dips Interrupts N 61000 4 11 1994 m O Safety Low Voltage Eguipment Directive 73 23 EEC 8 amended by 93 68 EEC EN 61010 1 1993 A2 1995 IEC 61010 1 1990 A1 1992 A2 1995 EN 60950 1992 A1 1993 A2 1993 A3 1995 A4 1997 A11 1997 IEC 60950 1991 A1 1992 A2 1993 A3 1995 A4 1996 ii PSP SERIES USER MANUAL SAFETY TERMS AND SYMBOLS These terms may appear in this manual or on the product WARNING Warning statements identify condition or gt practices that could result in injury or loss of life CAUTION Caution statements identify conditions or N practices that could result in damage to this product or other property The following symbols may appear in this manual or on the product A A A DANGER ATTENTION Protective Earth ground Frame or High Voltage refer to Manual Conductor Term
25. rmal the SV lt cr gt message is sent to the power supply the voltage limit of which will become 31V SU Function Subtract one unit from the present voltage limit setting Syntax SU lt cr gt HEX 53 55 2D 0D Explain When the message of SU lt cr gt is sent to the power supply from computer the power supply will subtract one unit from the present voltage limit setting immediately 31 PSP SERIES USER MANUAL Example The present voltage limit is at 30V and the wheel knob status is at normal the SU lt cr gt message is sent to the power supply the voltage limit of which will become 29V SI Function Add one unit to the present current limit setting Syntax SI lt cr gt HEX 53 49 2B OD Explain When the message of SI lt cr gt is sent to the power supply from computer the power supply will add one unit to the present current limit setting immediately Example The present current limit is at 3 00A and the wheel knob status is at normal the SI lt cr gt message is sent to the power supply the current limit of which will become 3 10A OTS Function Subtract one unit from the present current limit setting Syntax SI lt cr gt HEX 53 49 2D 0D Explain When the message of SI lt cr gt is sent to the power supply from computer the power supply will subtract one unit from the present current limit setting immediately 32 PSP SERIES USER MANUAL Example The presen
26. sing Storage temperature range 10 C to 70 C Power cord 1 Accessories Instruction manual 1 Test ead skills tet cee 1 PSP SERIES USER MANUAL 4 Panel Controls amp Indicator Front Panel 1 4 mm safety sockets la negative connection 1b positive connection and Ic earth connection 2 POWER AC switch for switching the power supply on 1 and off 0 3 Encoder wheel for changing the V SET V LIMIT I LIMIT P LIMIT and parameter settings 4 Keypad for actual operation of the Switching Power Supply PSP series The exact description follows below 5 Backlit LCD Display with indication of the output voltage current power settings and indication of the V I and P limits Additionally indication of OUTPUT On or Off and keypad locked or unlocked Rear Panel 6 AC rear power socket 7 RS 232 interface with optocoupler for connection to PC 8 Cooling fan PSP SERIES PSP SERIES USER MANUAL USER MANUAL Rear Panel Front Panel Figure 4 2 Figure 4 1 PSP SERIES USER MANUAL 5 Functional Description of Operating Elements With its continuously adjustable voltage and current settings this power supply can be used universally in school work hobby and other applications An electronic current limiter protects the power supply from overload a
27. t current limit is at 3 00A and the wheel knob status is at normal the SI lt cr gt message is sent to the power supply the current limit of which will become 2 90A SP Function Add one unit to the present load limit setting Syntax SP lt cr gt HEX 53 50 2B 0D Explain When the message of SP lt cr gt is sent to the power supply from computer the power supply will add one unit to the present load limit setting immediately Example The present load limit is at 100W and the wheel knob status is at normal the SP lt cr gt message is sent to the power supply the load limit of which will become 101 W xSP Function Subtract one unit from the present load limit setting Syntax SP lt cr gt HEX 53 50 2D 0D Explain When the message of SP lt cr gt is sent to the power supply from computer the power supply will subtract one unit from the present load limit setting immediately 33 PSP SERIES USER MANUAL Example The present load limit is at 100W and the wheel knob status is at normal the SP lt cr gt message is sent to the power supply the load limit of which will become 099W SUM Function Set the maximum voltage limit value Syntax SUM lt cr gt HEX 53 55 4D 0D Explain When the message of SUM lt cr gt is sent to the power supply from computer the power supply will set the voltage limit to the maximum immediately Example The present voltage limit is at 20V t
28. t present the unit A When the uppercase U becoming the lowercase u means that the power supply is in the setting status of current limit mode P Function The maximum output load limit at present the unit is W Syntax L lt cr gt HEX 50 0D Explain When the message of L lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Pppp lt cr gt 4characters totally CR LF The contents consist of the uppercase P and the numeral from 0 to 9 Further details is described as follows ppp The maximum load limit at present the unit W When the uppercase P becoming the lowercase p means that the power supply is in the setting status of output load limit mode F Function The present status of the power supply Syntax F lt cr gt HEX 46 0D Explain 28 PSP SERIES USER MANUAL When the message of F lt cr gt is sent to the power supply from computer the power supply will return the following message immediately Ff fffff lt cr gt 7 characters totally CR LF 123446 The contents consist of the uppercase F and the numeral from 0 to 9 Further details is described as follows 1 f the relay status 0 OFF 1 ON 2 f the temperature status 0 Normal 1 Overheat 3 f the wheel knob status 0 Normal 1 Fine 4 f the wheel knob status 0 Lock 1 Unlock 5 f the remote status 0 Normal 1 Remote 6 f the lock status 0 Unlock 1 Lock
29. tely Oggagggg lt cr gt 7 characters totally CR LF 39 PSP SERIES USER MANUAL The contents consist of the uppercase B and the numeral 0 or 1 Further details is described as follows Whether the first q is at mode 0 No 1 Yes Whether the second q is at mode 0 No 1 Yes SB Function To add one unit to the present setting of Syntax SB lt cr gt HEX 53 42 2B OD Explain When the message of SB lt cr gt is sent to the power supply from computer the power supply will add one unit to the present setting of immediately Example The present value is at 105 after the command is sent from computer the value is at 106 SB Function To decrease one unit from the present setting of Syntax SB lt cr gt HEX 53 42 2D OD 40 PSP SERIES USER MANUAL Explain When the message of SD lt cr gt is sent to the power supply from computer the power supply will decrease one unit from the present setting of immediately Example The present value is at 105 after the command is sent from computer the value is at 104 SD Function To add one unit to the present setting of Syntax SD lt cr gt HEX 53 44 2B 0D Explain When the message of SD lt cr gt is sent to the power supply from computer the power supply will add one unit to the present setting of immediately Example The present value is at 90 after the command is sent from computer th
30. tion 9 No connection Note This pin needs a constant high signal 12V Figure 1 Pin assignments of the RS232 connector on the rear panel for DB 9 D EQUIPMENT COMPUTER DB9 DTE DB9 DTE Pin 2 ee Pin 2 Pin 3 Pin 3 e Pin 4 Pin 4 D E E AE E ag Pin 5 Pin 5 Figure 2 Wiring configuration for DB9 to DB9 Computer s Connection A personal computer with a COM port is the essential facilities in order to operate the programmable power supply via RS232 interface The connections between power supply and computer are as follows I Connect one end of a RS232 cable to the computer I Connect the other end of the cable to the RS232 port on the programmable power supply TIL Turn on the programmable power supply IV Turn on the computer 22 PSP SERIES USER MANUAL RS232 message terminator The power supply has 25 commands available Every command is end up with lt cr gt ASCII ODh or ACSCII OD OA acceptable The return message lt cr gt of the power supply is CR LF ASCII 0D OA L Function To obtain all the status values of the power supply Syntax L lt cr gt HEX 4C 0D Explain When the message L lt cr gt is sent to the power supply from computer the power supply will return the message as follows immediately Vvwv vwAa aaaWwww wuUuuli iiPpppFffftff lt cr gt 37 characters totally The contents consist of the uppercase V A W U LP F the numeral from 0 to 9 and decimal Further
31. ts front panel down to avoid damaging the operating controls b General safety requirements The Switching Power Supply PSP series has been fully inspected and tested with technically safe condition before shipping from the factory To maintain this condition and to ensure safe operation it is essential for the user to observe the safety instructions and warning notes which 3 PSP SERIES USER MANUAL are contained in this user manual The instrument is constructed to Protection Class I It is equipped with a VDE approved power supply with safety cable and may only be used with and connected to AC supplies with safety earthing Ensure that the yellow green earthed wire in the instrument in its power cable and in the AC supply remains sound because a damaged earth wire can endanger life In commercial facilities the accident prevention regulations of the industrial employers liability association for electrical systems and equipment must be observed In schools training facilities hobby and self help workshops the operation of power supplies and accessories must be supervised by the trained personnel Make sure that only the fuses of the given types and nominal current ratings are used as replacements The use of repaired fuses or the bridging of fuse holders is not permitted A small flat bladed screwdriver is required to change the AC fuse Carefully lever up the cover in the AC power socket and withdraw it Remove the de
32. ut 7 Disposal Dispose of an unusable irreparable Switching Power Supply PSP series in accordance with applicable statutory regulations 17 PSP SERIES PSP SERIES USER MANUAL USER MANUAL 8 Rectification of faults With the PSP series power supply you have acquired a new generation 9 Maintenance measuring instrument constructed to the latest technological standards E 3 The following instructi ted b lified 1 only T id However faults can occur Because of this the following describes TEO Di MoS a Oe TR ge eget SST oe electrical shock do not perform any servicing other than the operating instructions how some of these problems can be resolved by the user relatively P y 8 P 6 easily unless you are qualified to do so Problem Possible solution 9 1 Fuse Replacement No display Is the instrument switched on If the fuse blown the CV or CC indicators will not light and the Is the AC power plug making good contact power supply will not operate The fuse should not normally blow both in the instrument and in the AC power unless a problem has developed in the unit Try to determine and socket correct cause of the blown fuse then replace only with a fuse of the Is the AC fuse OK correct rating and type The fuse is located on the rear panel see Fig No input possible REM or LOCK key pressed see under 4 2 section C or F WARNING For continued fire protection Replace with 250V fuse of the specif
33. yed by removal of any fuse amp fuse carrier and disposed of immediately as a plug with bared wires is hazardous if a engaged in live socket Any re wiring must be carried out in accordance with the information detailed on this label PSP SERIES USER MANUAL 1 Product Introduction The PSP series is a programmable switching power supply with backlit liquid crystal display built to the latest technological standards Construction is in accordance with VDE 0411 EN 61010 Moreover the PSP series has been EMV tested and fulfils the requirements of the applicable European and national directives Conformance to these has been proven the relevant statements and documents are lodged with the manufacturer AN Note This is a Class A device which can cause RF interference within the home To maintain this condition and to guarantee safe operation the user must observe these operating instructions without fail Application Note Connection of low voltage loads to the marked connection sockets provided for this purpose and their operation at a voltage between 0 to rating voltage The current consumption of a connected load may not exceed rating current The Switching Power Supply PSP series is suitable for connection to 115 or 230 V 50 60 Hz AC power sockets Operation must not take place under unfavorable ambient conditions including Moisture or excessive air humidity Dust and combustible gases fumes or solvents
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