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SSP-7080

1. Master and Slave Switch used in master slave control parallel operation in Master Slave configuration In normal operation switch should be set to Master default In Out Terminal for Master Slave operation Control terminals for use in the Master Slave control parallel operation mode RS and RS Remote Sensing Terminal OUT and OUT Alternative Output Terminals INPUT POWER SOCKET P 3 Operation Procedure 1 Stand Alone Operation Check the power supply is set as Stand Alone operation mode with the Master amp Slave switch 17 set to Master position All controls function just like a normal power supply Switch on the power supply without any load by pushing 1 and the LED display should light up There should not be any reading on the voltmeter and the ammeter Press the Output On Off button 9 and its green LED will light up the voltmeter should show the set output voltage Take note of the preset range and its LED turn the voltage volume to check on the voltmeter reading at the same time Selection of Voltage and Current Range at 8 When change to other Voltage and Current range setting 8 take note of the Voltmeter reading changing to zero voltage and LED of Output On Off button 9 going off The output terminal is off automatically when the VI range is changed this is to safeguard the connected load PREVIEW button Press 7 to check the values of VI when output terminal
2. A volt meter shows not the output voltage B possible misalignment in voltmeter calibration possible misalignment in calibration For stand alone unit Master amp Slave Switch 17 in wrong position Slave Wrong setting or connection in Master amp Slave or set up procedure P 8 check AC power connection contact local agent A check output LED 9 is on or not push 9 to on B check UVL set voltage by pushing 6 re set UVL to applicable limit see section 5 and 6 C check vent holes at top and bottom is clear ambient temperature too high D check and undo short circuit of output connection A check the LED indicator of UVL on the top right hand side of the Volt meter if it lights up then the volt meter only shows the set UVL value Push 6 to go back to output voltage B contact local agent or send back to local agent for recalibration contact local agent or send back to local gent for recalibration Check the Master amp Slave switch 17 correct position Use stand alone mode to check power supply separately without any connection to slave units Follow the procedure in section 8 carefully and make sure there is only one Master unit 10 Specifications Input AC Voltage Range No load Input Current at 230Vac Full Load Input Current at 230Vac AC Input Frequency Efficiency Power Factor Constant Voltage and Current Range Selection 0 16V 5A selection I
3. supplies in one You can set the current limiting value without any connected load or shorting the output terminal The modular design with additional rear output terminals and Master amp Slave control allow easy connections of additional Slave units User preset upper voltage limit to ensure complete protection to voltage sensitive load Remote sensing and 4 digit LED meters to give precise voltage at the load point Front Panel Controls and Indicators AB a a m ee 5 20 19 18 O RWC out O 36V C IN 17 D Master 21 P 2 Front Panel Controls and Indicators 1 Power on off switch 2 Front Panel Output Terminal 3 Upper Voltage Limit Upper Voltage Limit adjustment screw 4 Current Volume 5 Voltage Volume 6 UVL VOLTAGE Push Button to set and view Upper Voltage Limit 7 REVIEW Push Button to review the set voltage amp current limit for present range 8 Push Buttons to select V I range amp range LED 9 Output on off button LED Panel 10 UVL Upper Voltage Limit Indicator 11 C V Constant Voltage Indicator 12 C C Constant Current Indicator 13 ALM Alarm indicates output voltage is either over the set Upper Voltage Limit or power supply is in over temperature protection 14 SLAVE indicator power supply in Slave Mode 15 4 Digit Ammeter 16 4 Digit Voltmeter Back Panel Connectors amp Switch 17 18 19 20 21
4. 0 27V 3A selection II 0 36V 2 2A selection III Constant Voltage Characteristics Load Regulation 0 100 Line Regulation 10 Ripple amp Noise peak to peak Constant Current Characteristics Load Regulation 0 100 Line Regulation 10 Meter Accuracy Voltmeter Accuracy Ammeter Accuracy Protection Output Terminals Additional Function CE Approvals Cooling Dimensions in mm WxHxD Weight in Kg P 9 90 264Vac lt 0 1A lt 0 5A 47 63Hz 275 20 9 0 16 4V 0 27 6V 0 36 8V 0 5 1A 0 3 1A 0 2 3A lt 20mV lt 4mV lt 30mV lt 10mA lt 10mA 1 2 counts 1 2 counts Adjustable Upper Voltage Limit Current Limiting Protection Short Circuit Overload Over Temperature Protection Front and Back of housing Remote Sensing LVD EN 61010 EMC EN 55011 Natural Convection 53 5 x 127 x 330mm 2 x 5 x 13inch Approx 1 9Kgs 4 2Lbs
5. SSP 7080 80W Constant Power Switching Mode Power Supply with Master amp Slave Remote Sensing USER MANUAL ZU ZI ZI id ZU IZI ZI LT O SLAVE OUTPUT _ ON Upper UVL O Voltage VOLTAGE Limit POWER _ AA Rev 1 1 2007 04 7673 7080 0000 CONTENTS Warning Cautions and Operating Conditions Introduction Front Panel Controls and Indicators Back Panel Terminals and Switch Stand Alone Operation Selection of Voltage and Current Range The PREVIEW button Selection of Voltage and Current Range at 8 Setting the Current Limiting Value UVL VOLTAGE button 6 and UVL led 10 Setting the Upper Voltage Limit UVL value Master amp Slave Operation Remote Sensing Operation Trouble Shooting Specifications P 1 P 2 P 2 3 P 2 3 P 4 P 4 P 4 P 4 P 4 P 5 P 5 P 5 6 P 7 P 8 P 9 Keep this manual in a safe place for quick reference at all times This manual contains important safety and operation instructions for correct use of the power supply Read through the manual and pay special attention to the markings and labels of this unit and equipment to be connected Pay special attention to these two types of notices used in this manual WARNING Failure to observe this warning may cause injury to persons and damage to power supply or connected equipment CAUTION Failure to observe this warning may result
6. et to the same UVL by 6 and the same VI Range by 8 Set the voltage and current limit of all the Slave units to maximum values Switch off all power supplies for connection Set the switch 17 to Slave position of all the Slave power supplies Connect the Master amp Slave control circuit as shown in Fig 8 1 and Fig 8 2 7 3 Output terminal connection and operation You can either use the Output Terminals at the front 2 or at the back 20 to connect to the load as shown in Fig 8 3 depending on your application condition and requirement For proper performance all power cables should be of the same thickness and length Double check the maximum voltage and current setting of the Slave units Switch on the Master unit first and set to desired voltage then switch on the Slave units P 5 The Slave indicator LED 14 should light up in the Slave units as a confirmation of correct connections All the output voltages and currents of the Slave units are now controlled by the Master Unit Remarks When the output current in the Master amp Slave connection drops to zero ampere the output voltage will no longer be controlled by the Master unit Make sure to keep a minimum current flowing that is at least several percent of the rated current at all times This can be done by supplying a small removable load Fig 8 2 JO N 12 13 Fig 8 3 P 6 8 Remo
7. in damage to equipment and Improper functioning of the power supply WARNING Do not use this power supply near water Do not operate or touch this power supply with wet hands Do not open the casing of the power supply when it is connected to ac mains Refer all servicing to qualified service personnel only Before replacing the AC fuse find out and clear up the cause first Replace the AC fuse with the same type and rating as the original fuse Oy Re oo D CAUTION 1 Use a grounded 3 pin AC source This unit is for indoor use only 3 Do not operate or place this unit in a humid dusty in direct sunlight location or near any heat source 4 Before plugging into local AC mains check with the rating label at the back of the unit 5 Do not block any ventilation openings of the unit 6 This unit must be used within the specified rating regular excessive continuous loading may cause damage to the power supply 7 The gauge size of input power cable must be at least 0 75mmsq and the total length of power cable must not exceed 3m 8 Input Fuse Recommended T3AL250V 3A Time Lag Operation environmental condition 10 80 R H Altitude up to 2000m Installation category CAT 2 Pollution degree 2 Mains supply voltage fluctuation up to 10 of the specified operating voltage P 1 Introduction The 3 selective voltage and current ranges in this constant power switching mode power supply is like having 3 power
8. is off Press and hold this button will show the output voltage and current limiting values previously set at the selected range even the output terminal is off Setting the Current Limiting Value You can set the current limiting value without connecting to the load or shorting the output terminal Press and hold the PREVIEW button 7 and turn the current volume 5 to our desired value P 4 5 A a UVL VOLTAGE button 6 and UVL led 10 Press UVL VOLTAGE button to see the default value of Upper Voltage Limit The led 10 also lights up during this operation Setting the Upper Voltage Limit UVL value Press button 6 and insert a small screw driver less than 3mm diameter into 3 slowly turn to clockwise to increase and anti clockwise to decrease the UVL value The UVL is an added protection for voltage sensitive load only one UVL value can be set for all three ranges When the output voltage exceeds the set UVL the output terminal will be off automatically and the ALM 13 led is lit up at the same time Master amp Slave Operation 7 1 Introduction Two or more units of SSP 7080 can be connected in parallel to increase output current to the sum of connected power supplies In this mode of operation the designated Master power supply will control all the settings in voltage and current of the Slave power supplies 7 2 Preparation and connecting the Control Terminals 19 Make sure all the power supplies are s
9. te Sensing Operation When the output current is large or long connection to load there is a voltage drop across the connecting cable such that the voltage at load point is less than at the output terminal of the power supply By making an extra connection from the remote sensing terminal 19 to the load point Attention do not reverse polarity will make up for the load line voltage drop and make the voltage at the load point and output terminal the same Make sure to disconnect the wiring to remote sensing first before disconnecting the main output connection P 7 9 Trouble Shooting SUGGESTED PROBLEM INDICATIONS POSSIBLE CAUSES SOLUTIONS Power supply not working No DC output power Voltage meter read outs grossly inaccurate Ampere meter reading grossly inaccurate The activated auto cross over current limiting value is different from the preset cc value panel display LED Indicators not on voltage meter zero indication ALM 13 Alarm led on ALM 13 Alarm led on CC 12 led on actual output voltage is grossly different from the meter read outs In CV mode the actual current measured is grossly different from the Amp meter reading All indicators and display are normal only CC mode has the problem 1 AC power input not connected 2 AC input fuse blown A output on off button not on B UVL 10 protection triggered C OTP protection triggered D output short circuit

SSP-7080

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