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Summary of Contents for Global Specialties 1320
- Page 1 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com 1320 Triple Output High Resolution User Manual Power Supply...
- Page 2 Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be observed during all phases of operation, service, and repair of this instrument. Before applying power, follow the installation instructions and become familiar with the operating instructions for this instrument. GROUND THE INSTRUMENT To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical ground.
- Page 3 DO NOT SERVICE OR ADJUST ALONE Do not attempt any internal service or adjustment unless another person, capable of rendering first aid and resuscitation, is present. DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRU- MENT Do not install substitute parts or perform any unauthorized modifications to this instrument.
- Page 4 be sure to follow proper procedures for handling, storing and transporting parts and subassemblies which contain ESD- sensitive components. COMPLIANCE STATEMENTS This product is subject to Directive 2002/96/EC of the European Parliament and the Council of the European Union on waste electrical and electronic equipment (WEEE), and in jurisdictions adopting that Directive, is marked as being put on the market after August 13, 2005, and should...
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Page 5: Table Of Contents
Table of Contents Page Introduction .............5 1. Overview ...................5 2. Features ..................5 Installation ...............5 1. Initial Inspection ................5 2. Input Power Requirements ............6 3. Ventilation .................6 Product Description ..........7 1. Front Panel ................7 2. Rear Panel .................9 Operating Instructions ..........9 1. -
Page 6: Introduction
TestEquipmentDepot.com 1 Introduction Overview Global Specialties Model 1320 Triple Output High Resolution DC Power Supply provides two variable outputs (0 – 30V / 0 – 3A) and one fixed output (5V / 3A). The variable outputs can work independently, in series tracking, or parallel mode. Conveniently adjust voltage and current with independent front panel knobs and bright quad display. -
Page 7: Input Power Requirements
Use of the original packing is essential. After the mechanical inspection, verify the contents of the shipment. The items included in this package are: z 1320 Power Supply z Power Cord z User Manual z Banana Plug to Alligator Clip Lead Wires (Black & Red) -
Page 8: Product Description
3 Product Description Figure 1. Front Panel Front Panel Power switch Negative output terminal of the fi xed 5V/3A output (black) Positive output terminal of the fi xed 5V/3A output (red) Overload indicator LED for the fi xed 5V/3A output Negative output terminal of the MASTER output Ground terminal of the master output Positive output terminal of the master output... - Page 9 11. Master current adjustment knob 12. Master voltage indicator display (4-digit green 0.36” LED) 13. Master current indicator display (4-digit red 0.36” LED) 14. Series mode indicator LED 15. Parallel mode indicator LED 16. Slave voltage indicator display (4-digit green 0.36” LED) 17.
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Page 10: Rear Panel
Rear Panel A. Heat sink: Heat dissipation for power transistor B. Ventilation Fan: 8” 24 VDC fan C. Power input socket D. Fuse holder and input voltage selector: The selected in- put voltage is set to the voltage shown near the mark which points to “E.”... -
Page 11: Constant Voltage (Cv) /Constant Current (Cc) Mode
will be lit while adjusting the current limit. Remove the accessory lead after current limit adjustment. The voltage will be displayed again and the CV LED will be lit. Vary the voltage adjustment knob to get the desired out- put voltage on the display. Depending on load condition, the power supply will work either in CV or in CC mode. -
Page 12: System Configuration
System Configuration Models 1320 has two variable outputs, which can work independently, in series tracking mode, or parallel mode by toggling the function mode switch. Users can also connect multiple units in series or parallel mode to increase their voltage or current. - Page 13 the negative output terminal of the slave. The output voltage will be the same as the master set value and the output current is twice the set master output current. Toggle the function mode switch to “PAR”. The red “Par” LED and the red “Par.CC” LED of the slave output will light up to indicate parallel tracking mode.
- Page 14 Figure 7. Multiple Units in Series e. Multiple Units in Parallel Mode Two or more units can be connected in parallel to obtain a higher current output (CAUTION: 24 A max). The output current of the system will be the sum of all units. The output voltage of the system will be the same for all units.
- Page 15 Switch all units to “PAR” mode. CAUTION. Adjust all units to the same output voltages. Make the parallel connection of the positive and the negative terminals of the master and slave outputs for all units. Connect the load between the positive and negative of the master on the last unit.
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Page 16: Specifications
5 Specifications All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 25 ºC ±5 ºC. 1320 Power Supply Output Parameters Max Output Power 207 W Number of Outputs 3 independent & electrically isolated outputs... -
Page 17: Maintenance
6 Maintenance Preventative Steps Please follow these preventive steps to ensure the proper operation of your instrument. z Never place heavy objects on the instrument. z Never place a hot soldering iron on or near the instrument. z Never insert wires, pins, or other metal objects into ventila- tion fan. -
Page 18: Service And Warranty Information
z Unplug the power cord from the rear of the instrument. z Insert a small screwdriver in the fuse holder slot (located be- tween fuse holder and receptacle). z When reinstalling fuse holder, be sure that the fuse is installed so that the correct line voltage is selected. - Page 20 20150922...
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