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Scientific PS1600 Series User Manual

Programmable switch mode power supplies
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Programmable Switch
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PS1600 Series
User Manual

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Summary of Contents for Scientific PS1600 Series

  • Page 1 Programmable Switch Mode Power Supplies PS1600 Series User Manual...
  • Page 2 Information in this manual supercede all corresponding previous released material. Scientific continues to improve products and reserves rights to amend part or all of the specifications, procedures, equipment at any time without notice. Scientific shall not be liable errors contained in this document or if for incidental or consequential damages in connection with the furnishing, performance or use of this material.

  • Page 3: Table Of Contents

    Thermal protection Cooling Output Connecting the load Local & remote Sensing Constant voltage and constant current mode 4.10 Hold up time 4.11 Over voltage protection 4.12 Under current limit 4.13 Fold back protection 4.14 AC fail User Manual PS1600 Series...
  • Page 4 Read measured output current 6.1.15 Fold back enable/disable 6.1.16 Read measured output power 6.1.17 Read measured internal temperature 6.1.18 Status Chapter 7 Maintenance Troubleshooting Chapter 8 Dispatch procedure for service & Warranty Dispatch procedure for service Warranty User Manual PS1600 Series...
  • Page 5 Models with Output Voltage 16V to 1000 V, 1600 W Power Ethernet (LAN) Optional The PS1600 series power supplies is designed for compact 1 U size with user friendly operation and higher efficiency. This range offer multi ranging output characteristic which makes them more flexible than traditional or rectangular output characteristic power supplies as they give multiple voltage and current combination in a single power supply.

  • Page 6: Safety Instructions

    , causing hazardous conditions. Environmental conditions Please do not operate the instrument in the place that vibrates, dusty, under direct sunlight or where there is corrosive air. The Scientific Power supplies are designed for safety, applies to following conditions. - Indoor use.

  • Page 7: Safety Symbols

    Follow the instructions for proper procedures. Symbols marked on instruments Attention refer to the manual. Hazardous voltage exists, Caution ! Electric shock. Indicates Protective Ground Terminal Indicates Ground Terminal Off ( Supply ) On ( Supply ) User Manual PS1600 Series...

  • Page 8: Chapter 1 Technical Specifications

    Scale Voltage (V) 0-16.00 0-20.00 0-32.00 0-40.00 0-60.00 0-80.00 0-100.0 Current (A) 0-100.0 0-80.00 0-50.00 0-40.00 0-26.67 0-20.00 0-16.00 Resolution Voltage (V) 0.01 0.01 0.01 0.01 0.01 0.01 Current (A) 0.01 0.01 0.01 0.01 0.01 0.01 User Manual PS1600 Series...
  • Page 9 Display Accuracy Voltage : (0.25%+2D), Current : (0.5%+2D) Scale Voltage (V) 0-120.0 0-160.0 0-300.0 0-600.0 0-800.0 0-1000 Current (A) 0-13.30 0-10.00 0-5.33 0-2.67 2.00 0-1.60 Resolution Voltage (V) Current (A) 0.01 0.01 0.01 0.01 0.01 0.01 User Manual PS1600 Series...
  • Page 10 Internal Fuse L : 20 A, 6.3 x 32 mm ceramic fuse. Power Factor 0.99 @ full load / 0.98 @ 50% load Turn On delay 600 ms after mains switched ON Inrush current <30A Hold up Time 20 ms User Manual PS1600 Series...
  • Page 11 2. Sensing at the rear panel of the power supply unit at sense terminals. 3. Unit warm up time is 30 min. 4. Minimum output voltage guaranteed to maximum of 0.2% rated. 5. Minimum output current guaranteed to maximum of 0.4% rated. User Manual PS1600 Series...
  • Page 12 Rear panel when unit is used on table top : – 432.0 mm Side view when unit is used on table top : 25.0 mm 27.0 mm 485.0 mm User Manual PS1600 Series...
  • Page 13 Top view : 432.0 mm Output bus dimension : User Manual PS1600 Series...

  • Page 14: Chapter 2 Panel Controls

    8 CV LED indicator : LED indicator for CV , lights when power supply is in constant voltage mode. 9 Set & Comm : Push button control for selecting setting for voltage or current. When pressed in combination with “Fn” button, “Comm” mode selected. Comm mode used for User Manual PS1600 Series...
  • Page 15 17 Instrument handel : Mounted on either side of the power supply unit for lifting the unit while mounting in 19” rack cabinet. 18 Mounting holes : Mounting holes used in fixing the unit in 19” rack cabinet. User Manual PS1600 Series...
  • Page 16 USB “B” connector , to connect the power supply to computer for remote control operations. 8 & 9 J1- J2 RJ45 connector , gives connections for RS232 , RS485 & Master-Salve operations. 10 RJ45 connector Ethernet / LAN connector (Optional). User Manual PS1600 Series...
  • Page 17 Connector J2 ( RJ45 ) Master - Slave Pin 1 Return ground Pin 2 Slave Connect Pin 3 Tx + Pin 4 Rx + Pin 5 Rx – Pin 6 Tx – Pin 7 Not Connected Pin 8 Not Connected User Manual PS1600 Series...
  • Page 18 Pin 19 AC Fail status output Pin 20 DC Fail status output Pin 21 Remote Control status output Pin 22 Ground Analog Programming Pin 23 Ground Analog Programming Pin 24 Current Monitoring Output Pin 25 Not connected User Manual PS1600 Series...
  • Page 19 This is cable is end User specific depends on the connections to remote units, panels etc. One end of this cable is RJ45 (male) and other end is DB 9 ( Female) connector. User can assemble it as per their required length, not more than 9 meter. Also available as optional accessories from Scientific. DB 9 (F) 9 Pin Connector...

  • Page 20: Chapter 3 Installation

    If damage is detected, file a claim with carrier immediately and inform the Dealer ,sales or authorized service facility nearest to you or Scientific. If the contents in the container do not conform to the packing list, notify us or your dealer. Before putting this instrument in operation, make sure you go through the manual, safety and Cautions guidelines.
  • Page 21 Else order the Rear Panel Support Plates optional available. Caution ! Ensure that the supplied screws used for mounting only, else use appropriate screws of size M3x 6 mm. Ensure that they do not penetrate more than 6 mm inside. User Manual PS1600 Series...
  • Page 22 Connect the cables on bus bar, push the protection cover to touch the rear panel and fix with the screws. Before any making electrical connections or removing the connections, ensure the power supply bus is fully discharged. Please refer to safety instructions, before connecting / disconnecting the output connections. User Manual PS1600 Series...
  • Page 23 Switch the POWER switch to Off position. 3.6.3 DC output check Connect the DVM/DMM in appropriate voltage range depending on power supply output voltage. Press the push button “Output”, the associated output LED will light, indicating the output is available User Manual PS1600 Series...
  • Page 24 These two simple tests , ensure that the power supply is largely working and further can be checked and tested for the other modes and features after going through manual. In Description chapter , all the features and modes are explained in details. Request to go through each for better understanding and use. User Manual PS1600 Series...

  • Page 25: Chapter 4 Descriptions

    There is no external fuse in the unit, a safety fuse is installed inside the unit. In event of fuse blown, the fuse must be replaced only by Scientific authorised service personal. When power supply unit is switched ON, its inrush current is limited by internal circuitry. Switching ON and OFF at faster rate, may result in over heating of current limiter, resulting higher inrush current.

  • Page 26: Cooling

    The recommended cables for connecting the output is from are as below. Model Cable Size Fixing Bolt size Torque PS16-100 25 mm 20 Nm PS20-80 16 mm 20 Nm PS32-50 10 mm 20 Nm PS40-40 10 mm 20 Nm PS60-26 6 mm 20 Nm User Manual PS1600 Series...

  • Page 27: Local & Remote Sensing

    Default connections for Local Sense Terminal connections Pin 1 L – Local sense – Pin 2 S – Remote sense – Pin 3 Not connected Pin 4 Remote sense + Pin 5 Local sense + User Manual PS1600 Series...

  • Page 28: Constant Voltage And Constant Current Mode

    Under voltage can be set from 0 V to 95% of the set output voltage. Under voltage can be set from front panel controls through Menu or from remote programming. User Manual PS1600 Series...

  • Page 29: Fold Back Protection

    7 & 9 moved up. To maintain the power supply isolation and to prevent the ground loops , use an isolated programming source. The power supply analog input and output signals are very sensitive and precise, any external disturbances User Manual PS1600 Series...

  • Page 30: Pin

    When the inside temperature of the power supply unit increase beyond the set safe temperature, power supply output gets switched OFF and the status at pin 6 is updated. It goes low on over temperature, and remains until User Manual PS1600 Series...

  • Page 31: Pin

    These outputs are with reference Pin 12 and Pin 23 ground / return path. The relation between the Vmonitor and Vout is ; External Measuring Device External Measuring Device for Current e.g. DMM for Voltage e.g. DMM User Manual PS1600 Series...

  • Page 32: Pin

    The status for DC output is updated at pin 17 as Power supply Output ON : High Power supply Output OFF : Low Pin 18 : Not connected This pin is not used. Please do not connected any circuit to this pin. User Manual PS1600 Series...

  • Page 33: Pin

    Set voltage Set current Over voltage level Under voltage level Fold setting Baud rate Communication mode Power supply address Last status of Output ON or OFF 10. Master/ Slave mode 11. Front panel locked / unlocked User Manual PS1600 Series...
  • Page 34 Master displays the voltage and total current, whereas all the slave units displays Slaves “SLV”. Slave Slave Slave Master Power Supply Power Supply Power Supply Power Supply (RS485) (RS485) (RS485) User Manual PS1600 Series...
  • Page 35 The regulation at common bus can be maintained by connecting the remote sense wires on common bus. Load Load Output Output Power Power Load Load – – Supply Supply – Load Load S – S – L – L – Load Load Distribution Terminals User Manual PS1600 Series...
  • Page 36 , which will damage the power supply, to avoid, a bypass diode is connected in parallel to output terminal of power supply. The diode should be of higher rating and should have high heat dissipating capability. User Manual PS1600 Series...
  • Page 37 5.2 Voltage & Current setting : To set the desired voltage or current, press “set” push button, the set LED will light and the display will show previous voltage current set values. To set the new value of voltage, rotate Voltage encoder until the desired value. Similarly to set the new value User Manual PS1600 Series...
  • Page 38 You can change the encoder resolution in coarse, medium or fine by pressing voltage encoder switch. The maximum under voltage can be set to approx. 95 % the set voltage. The minimum under voltage value can be set to 0 V. User Manual PS1600 Series...
  • Page 39 By varying current encoder mode, Fold function in CV or CC mode is selected. To switch off the Fold, select “Off” . Similarly, desired delay time can be set for Fold function, by varying voltage encoder, select “F-dL”. (last value) (last value) User Manual PS1600 Series...
  • Page 40 You can also access “Set”, “OV” , “UV” and “Fold” menu in output ON state. 5.7 Communication set menu The communication menu is selected by pressing the “ Fn” push button, followed by “COMM” push button. This menu is active only in output OFF condition and Local mode. User Manual PS1600 Series...
  • Page 41 By varying current encoder baud parameters can be changed from 1200,2400, 4800, 9600 and 19.2k when baud is selected. By varying current encoder address can be changed when Address is selected. The address range is 1 to User Manual PS1600 Series...
  • Page 42 After setting all parameters , the power supply unit must restart to update / applied settings Communication To control the power supply unit, all the SCPI commands can be used. Refer “Chapter 6 interface protocol” . User Manual PS1600 Series...
  • Page 43 With Mode selected , by varying current encoder you can Master or Slave power supply units. With Configuration selected, by varying current encoder you can select Series or Parallel connections of power supply units. User Manual PS1600 Series...
  • Page 44 To unlock the front panel , press push button “Fn” and then press “UV” in sequence, the display will show in left window and in right window. the panel will be unlocked. User Manual PS1600 Series...
  • Page 45 Power supply return: PS100-16 POWER SUPPLY Examples shown above is in case of PS100-16. Return reply indicates instrument model PS100-16 is connected. 6.1.4 Set output voltage This command is used to set the output voltage of power supply. Syntax: SO:VO <xx.xxxx> User Manual PS1600 Series...
  • Page 46 This command is used to ON/OFF the output of power supply To switch ON the output ; Syntax: OUTP 1 Power supply returns : OP ON To switch OFF the output; Syntax: OUTP 0 Power supply returns: OP OFF User Manual PS1600 Series...
  • Page 47 10.0000 A. 6.1.15 Fold back enable / disable This command is used to ENABLE/DISABLE the fold back protection of power supply. To enable Fold back; Syntax: FOLD 1 Power supply returns : FOLD ON User Manual PS1600 Series...
  • Page 48 CV-CC Status CC=1 CV=0 6.1.19 Read LAN configuration This command is used to read the LAN / Ethernet configuration. Syntax: ETH:Config? This command returns LAN / Ethernet configuration details. e.g. Port: 5000 IP : 192.168.100.29 SB:255.255.255.0 GW:192.168.100.1 User Manual PS1600 Series...
  • Page 49 In such case we recommend to send the power supply unit to Scientific for service and repairs. In case of power supply failure, when it needs service / repairs , there is no User repairs or replaceable parts inside the power supply unit.
  • Page 50 There is no user replaceable fuse in the power supply. Only inside power supply unit there are fuses to protect the fault conditions. In case of these gets open, only Scientific qualified or authorized trained personal should replace the fuse.
  • Page 51 Service Center or factory. 8.2 Warranty conditions Scientific warrants all its Instruments to be free from defects in material and workmanship when used under normal operating conditions in accordance with the instructions given in the manual for a period of 12 (Twelve) months from date of purchase from Scientific or its authorized dealers.

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