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Summary of Contents for Scientific PSA3200
- Page 1 Programmable Switch Mode Power Supplies PSA3200 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.
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Page 3: Table Of Contents
Safety first - grounding Input Voltage Operating conditions 4.3.1 Temperature & humidity 4.3.2 Storage 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 User Manual PSA3200... - Page 4 Safe start - auto start mode 4.16 Connecting load 4.17 Connecting power supplies in series and parallel 4.18 Power supply as battery charger Chapter 5 Maintenance Troubleshooting Chapter 6 Dispatch procedure for service & Warranty Dispatch procedure for service Warranty User Manual PSA3200...
- Page 5 With various protection features, over voltage protection, short circuit protection, protects expensive loads circuits in testing. All the PSA series models can be operated from line voltage 207 to 270 V, 47 Hz ~ 63 Hz. Power factor correction also provides to ensure low harmonic content. User Manual PSA3200...
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Page 6: Safety Instructions
Failure to comply with these precautions or with specific warnings or instructions givens in this manual violates safety standards of design, manufacture, and intended use of the instrument. Scientific assumes no liability for the customer's failure to comply with these requirements. -
Page 7: Safety Symbols
Recycling helps to conserve natural resources and protect environment. For more information on collection and return, please contact dealer / from where you have purchased / to us giving full details. User Manual PSA3200... -
Page 8: Chapter 1 Technical Specifications
0-32.0 0-40.0 0-60.0 0-80.0 0-100 Current (A) 0-200 0-160 0-100 0-40.0 0-53.3 0-40.0 0-32.0 Resolution Voltage 100 mV 100 mV 100 mV 100 mV 100 mV 100 mV Current 0.1 A 0.1 A 0.1 A 0.1 A User Manual PSA3200... - Page 9 V : 0 ~ 5 V, Accuracy : 0.5 % of Vout rated, Input impedance : 1M Ω I : 0 ~ 5 V, Accuracy : 1 % of Iout rated Input impedance : 1 M Ω User Manual PSA3200...
- Page 10 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 PSA3200...
- Page 11 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 557 mm User Manual PSA3200...
- Page 12 Top view : 432.0 mm Output bus dimension : 27.0 in mm User Manual PSA3200...
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Page 13: Chapter 2 Panel Controls
12 Instrument handel : Mounted on either side of the power supply unit for lifting the unit while mounting in 19” rack cabinet. 13 Mounting holes : Mounting holes used in fixing the unit in 19” rack cabinet. User Manual PSA3200... - Page 14 Off, the output will be Off , when power switch is made On. 8 INTLK/ En-Dis Switch selection for Interlock function enable / disable. 9 AC Input AC mains inlet socket to power the instrument. User Manual PSA3200...
- Page 15 ON with mains switched ON. Interlock selection : When the switch is set to Dis (disable), the power supply operates in normal condition. When the switch is set to En (enable), the interlock function is enabled. See details further for operation. User Manual PSA3200...
- Page 16 Reserved, Please do not connected any circuit to this pin ! Pin 19 AC Fail status output Pin 20 DC Fail status output Pin 21 Not connected Pin 22 Ground Analog Programming Pin 23 Ground Analog Programming Pin 24 Current Monitoring Output Pin 25 Not connected User Manual PSA3200...
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Page 17: 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 18: Use Of Instrument In 19" Rack Mounting Cabinet
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 PSA3200... -
Page 19: First Time Operation Power On
Switch the POWER switch to ON position. The display will lit, this means the power supply is connected to AC mains and power supply is ready to use. Switch the POWER switch to Off position. User Manual PSA3200... -
Page 20: Dc Output Check
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 PSA3200... -
Page 21: Safety First - Grounding
To switch ON the output, press the Output switch, output LED will glow and output will be ON. If the problem reappears, check for space for air movement and clear the space. If it still persists, contact Scientific or dealer close to you. -
Page 22: Output
If the sequence is not followed, contact resistance will be introduced between the output bus and the cable, will cause excessive heat at bus. To reduce the output line inductance, keep both positive and negative cable close to each other. User Manual PSA3200... -
Page 23: Local & Remote Sensing
Such as grounded positive power supply where the negative output terminal is connected to protective earth potential, similarly negative power supply where the positive output terminal is connected to protective earth potential. User Manual PSA3200... -
Page 24: Constant Voltage And Constant Current Mode
On rear panel slide switches enable power supply to be controlled through analog connector. Either Voltage or Current or both can be programmed from analog connector. To maintain the power supply isolation and to prevent the ground loops , use an isolated programming source. User Manual PSA3200... - Page 25 Reference voltage output 5.1 V When power supply is to be controlled through remotely using external potentiometers, this reference voltage can be used as reference supply to potentiometers. The potentiometer value must be 10 k Ohms or higher to avoid any User Manual PSA3200...
- Page 26 The relation between the Vmonitor and Vout is ; Vmonitor with 5 V reference ; Vmonitor = (5 x Vout ) / Vrated where Vmonitor is output voltage from pin 11 Vout is output voltage Vrated is the rated output voltage of power supply unit User Manual PSA3200...
- Page 27 If the output voltage drops or increases 5 % above the set voltage, the status is updated at pin 20 as, DC output within 5 % of set value : High DC output beyond 5 % of set value : Low Pin 21 : Not connected Pin 25 : Not connected User Manual PSA3200...
- Page 28 Load Load Output Output Power Power Load Load – – Supply Supply – Load Load S – S – L – L – Load Load Distribution Terminals User Manual PSA3200...
- Page 29 , 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 PSA3200...
- Page 30 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 31 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 32 Service Center or factory. 6.2 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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