Velleman LABPS5005 handleiding

Handleiding

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LABPS5005

V. 03 – 30/10/2017 4 ©Velleman nv

4. Overview

Refer to the illustrations on page 2 of this manual.

1

current indication

5

grounding terminal

2

current adjustment knob

6

output terminal (+)

3

power switch

7

voltage adjustment knob

4

output terminal (-)

8

voltage 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 50 V when the device is in the constant voltage mode or

C.V.-mode. The current-limiting point (max. ± 5 A) can also be set arbitrarily in this mode.

The output current can be adjusted continuously between 0 and 5 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 (60 V/16 A DC 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.

5.4 Connecting the Load

 Connect the load.

 You can read the output current and the output voltage from the display as soon as the device has been

switched on.

 The C.V. indicator is lit if the device is in the C.V.-mode.

 The C.V. LED is off and the C.C. LED will light if the Amp display indicates a value that exceeds the installed

value. When this happens, the device will automatically go into current-limiting mode. Install a load that

will allow the device to function normally.

6. Cleaning and Maintenance

 Disconnect the device from the mains prior to maintenance activities.

 The power supply cables must not show any damage. Have a qualified technician maintain the device.

 Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.

 There are no user-serviceable parts, apart from the fuse. Contact your dealer for spare parts if necessary.

 Store the device in a dry, well-ventilated, dust-free room.

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