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Velleman LABPS3030SM Manual Del Usuario página 5

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  • MEXICANO, página 15
4.
Overview
Refer to the illustrations on page 2 of this manual.
1
power switch
2
positive output
3
negative output
4
voltage adjustment knob
5
current adjustment knob
6
voltage indication
7
current indication
5.
Operation
5.1
Introduction
The device is a highly accurate, DC-regulated power supply with an adjustable output. This
output can be used for constant voltage (C.V.) and constant current (C.C.).
The output voltage can be adjusted between 0 V and 30 V when the device is in the constant
voltage mode or C.V.-mode. The current-limiting point (max. ± 30 A) can also be set arbitrarily
in this mode.
The output current can be adjusted continuously between 0 and 30 A in the constant current
mode.
The output current and voltage are indicated through LED displays.
5.2
Using the device as a C.V. source
1. Switch on the device.
2. Turn the current adjustment knob fully clockwise to the maximum.
3. Turn the voltage adjustment knob to obtain a voltage that is close to the desired value. Use
the fine-tune knob if desired (where applicable). The C.V. indicator lights on the display.
5.3
Using the current-limiting adjustment in C.V. mode
1. Switch on the device.
2. Turn both the current adjustment knobs fully anticlockwise to the minimum, and the
voltage adjustment knobs fully clockwise to the maximum.
3. Short-circuit the output terminals by interconnecting them with the appropriate cable.
4. Turn the current adjustment knob to the required current-limiting value. Use the fine-tune
knob if desired (where applicable). The C.C. indicator lights on the display.
5. Remove the short-circuit cable from both output terminals.
6. Turn the voltage adjustment knob to the required value. Use the fine-tune knob if desired
(where applicable). The C.V. indicator lights up on the display.
7. Connect the load to the output terminals. If the current exceeds the current-limiting point,
the C.C. indicator lights up on the display.
V. 03 – 18/10/2021
LABPS3030SM
8
9
10
11
12
13
5
regulated voltage indication
current regulator indication
output terminal: 20 A/30 A max;
red positive; black negative
cooling fan
fuse
grounding terminal
©Velleman Group nv

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