4 Normal Operation
16
R4G/R4GE series
LOCK
OCP
SET
OVP/
CV
CC
V
A
OUTPUT
REMOTE
LOCK
OCP
SET
OVP/
CV
CC
V
A
OUTPUT
REMOTE
4-2
Output ON/OFF
Press the OUTPUT switch to turn on and off the output.
When the OUTPUT LED is lit, the set voltage and current are output from the output terminals.
When the OUTPUT LED is unlit the output turns off, which means there is no voltage applied to the
output terminals.
4-3
Presetting the Output Voltage and Output Current
Pressing the [SET] switch on the front panel displays the set voltage value on the voltmeter and
the set current value on the ammeter for approx. two seconds.
Set the output voltage and output current by pressing the [SET] switch and rotating the output
voltage and current setting dials.
When the [OUTPUT ON/OFF] switch is "ON" (OUTPUT LED is lit), note that both voltage and
current have been output, so be careful to avoid electric shock.
When the [OUTPUT ON/OFF] switch is OFF (OUTPUT LED is unlit), turning the voltage/current
dial will display the set voltage value on the voltmeter and the set current value on the ammeter
for approx. two seconds, just as the same as when the [SET] switch is pressed.
4-4
OVP (Overvoltage Protection) and OCP (Overcurrent Protection)
OVP and OCP protect loads from programming errors, improper voltage and current settings, and power
supply unit malfunctions.
Settings:
1. Turn off the [OUTPUT ON/OFF] switch.
2. Press the [OVP/OCP] switch.
For approx. two seconds, the OVP set value is displayed on the voltmeter and the OCP set
value is displayed on the ammeter.
3. Turn the voltage setting dial to set the desired OVP value and the current setting dial to set the
desired OCP value respectively.
4. Turn the [OUTPUT ON/OFF] switch ON again and slowly increase the output voltage and
current to check that the output turns OFF at the OVP/OCP set voltage and current values.
The OVP/OCP function can be disabled by setting the value to "0".
*
When the protection is disabled by setting the value to "0", use the unit with great care for the
output.
SET LED: ON
The voltage and current preset values are
displayed for approx. two seconds.
Press SET
The output is turned on
when the OUTPUT LED
is lit.
Press OUTPUT
VOLTAGE
CURRENT
Output voltage setting
(Voltage setting dial)
Output current setting
(Current setting dial)
