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INTRODUCTION

Congratulations on your selection of a top quality power supply! The XP-
770 is a triple-output regulated power supply providing two variable outputs
(0-20V@ 2A) and one fixed (5V @ 3A). Four LCD displays allowing the
output voltages and currents to be displayed simultaneously. The variable
outputs can work independently, in series, or in parallel modes. The highest
output voltage is the sum of twice the voltage value in series mode and
the highest output current is the sum of twice the current value when in
parallel mode.

FEATURES

Four LCD displays for voltage and current
Independent voltage and current controls
Constant voltage (CV) or constant current (CC) operation
LED indication for CV and CC for variable outputs
Series and parallel mode for variable outputs
Overload and short protected.
Selectable AC input voltage, 115 or 230VAC

SAFETY PRECAUTIONS

Certain safety precautions must be observed when this power supply is
used with external circuits that are connected to AC power lines. There is
always some danger when working with electrical equipment or circuits
that operate at hazardous voltages. You should thoroughly familiarize
yourself with the equipment before using it. High voltage may appear at
unexpected points in defective equipment.
The XP-770 is equipped with a three-wire line cord which grounds the
chassis to power line ground. Do not cut off or disable the ground plug.
The power supply secondary circuits are isolated from the 115/230V
primary circuit via the power transformer. When working with other
equipment, this may not always be the case. Always be familiar with the
equipment rating. Keep in mind that defective equipment can have
dangerous voltages in unexpected places.

OPERATING INSTRUCTIONS

1. Set the AC input voltage switch on the back to the correct setting and

the correct fuse (4A - 115V, 2A - 230V) installed.

2. Set the power switch to the off position.

3. Plug the power cord into the power socket on the back of the unit.

4. Plug the power cord into an AC output. Note: Make sure enough space

is left for heat dissipation.

All manuals and user guides at all-guides.com

Содержание XP-770

Страница 1: ...Triple output Regulated DC Power Supply Instruction Manual Model XP 770 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 2: ...1 2 4 3 6 5 8 10 7 9 11 12 13 14 15 16 17 18 19 20 21 COMPONENT OVERVIEW 22 24 1 23 All manuals and user guides at all guides com ...

Страница 3: ...e indicator light for slave output and double current output indicator light in parallel mode 11 Independent series and parallel selector switch 12 Independent series and parallel selector switch 13 Positive output terminal of master output 14 Ground connection terminal of case 15 Negative output terminal of master output 16 Positive output terminal of slave output 17 Ground connection terminal of...

Страница 4: ...al circuits that are connected to AC power lines There is always some danger when working with electrical equipment or circuits that operate at hazardous voltages You should thoroughly familiarize yourself with the equipment before using it High voltage may appear at unexpected points in defective equipment The XP 770 is equipped with a three wire line cord which grounds the chassis to power line ...

Страница 5: ...urrent adjustment control knobs 4 6 counter clockwise to the minimum position 2 Turn the power switch ON Both CC LED s should be lit 3 Connect the positive and negative output terminals to a load or similar component 4 Adjust the master and slave output current adjustment control knobs 4 6 to give the desired current Current Limit Protection Mode DC power supply Output voltage less than 20V or out...

Страница 6: ...person with knowledge in electrical hazards Dual Power Supply Used in Series Mode 1 Set the tracking switch 12 to the IN position and tracking switch 11 to the OUT position Adjust the master and slave output current adjustment control knobs 4 6 clockwise to the maximum position Adjust controls 3 and 5 to the desired output voltage The voltage of the master output should be tracked by the slave out...

Страница 7: ...V 0 2A 0 01 2mV 0 2 2mA 0 01 3mV 0 2 3mA 0 5mV rms 3mA rms 5V 0 25V 3A 1 5mV 15mV 5mV rms The unit should be stored in a dry and well ventilated place and the power cord removed if storing for a long period of time Never place any objects on the power supply Do not obstruct the ventilation holes Avoid contacting the heat sink of the power supply as it can become very hot Contacting the heat sink w...

Страница 8: ...al working environment Servicing If the unit becomes inoperative or damage Elenco Electronics or a qualified repairperson should only perform the repair and calibration Fuse Replacement The power supply will not work if the fuse is blown or not installed Check and repair any existing problems before installing new fuse Only use fuses with same specification as original the one Warning To prevent f...

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