digimess HY3003 Gebruiksaanwijzing - Pagina 6

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3.0

Operating instructions

3.1

Mains input

The mains input connector is located on the rear of the unit. Before connecting to the mains supply the user

should verfy that the unit is set to the correct voltage for the country of use. The mains voltage is set by the

external mains voltage selector switch located on the rear of the unit.

3.2

Mains input fuse

The mains fuse is located on the rear of the unit. The correct fuse for each supply voltage is as follows :

Model

HY3003

HY3003-2

HY3003-3

HY3010

HY3020

3.3

Power on/off

The mains power to the unit is switched on and off using the POWER on/off pushbutton.

3.4

Voltage and current display

Single output models - HY3003, HY3010 and HY3020 feature independent displays for both output voltage

and output current. Multiple output models - HY3003-2 and HY3003-3 feature a single display for each

adjustable output and can be switched to display either output voltage or output current.

3.5

Single output unit or multple output unit in Independent mode

For multple output units, Independent mode is set by selecting the two Tracking switches to the Independent

postion. The output voltage is adjusted to the desired value using both the Coarse and Fine (if fitted) Voltage

controls. The output current level is adjusted to the desired value usng both the Coarse and Fine (if fitted)

Current controls. If the output current exceeds the set current value the power supply will limit the output

current to the set value.

3.6

Multiple output unit in Series mode

Multple output units can be set to Series mode by selecting the two Tracking switches to the Series position.

The output voltage is set by the Master Voltage control and the Slave output will track the Master output

voltage level. Current adjustment is independent and requires the Slave output current setting to be high

enough otherwise tracking will not occur as the Slave output will current limit. In this mode the +ve terminal

of the Slave output should be connected with a thick wire to the –ve output terminal of the Master to avoid

damage to the unit in the event of an overload. In this mode the maximum output voltage is the sum of the

Master and Slave output voltages.

110Vac

T4A 250V

T6.3A 250V

T10A 250V

T15A 250V

220Vac

T2A 250V

T3.15A 250V

T5A 250V

T8A 250V