GW Instek PSH-A Series 360W User Manual - Manual (Page 18)

Setup
35
Output Voltage & OVP Check
Connection
Digital Multimeter
PSH Series
V
A
— +
Checking step
1. Power On PSH and connect the Multimeter Voltage
measurement terminal.
2. Set Output Voltage and Output Current to the rating value.
• Vset/Iset/Enter key
V SET / I SET
ENTER
switches the cursor between
Voltage and Current.
• F/C key
F/C
switches the cursor
between before and after the
decimal point.
•
Wheel knob changes the value.
PSH-2018A (20V, 18A)
SET 20.00V 18.00A
3. Press the Menu key once and set the OVP value to rating
voltage + 100mV.
Press the Vset/Iset/Enter
key
V SET / I SET
ENTER to confirm the OVP
setting.
Set OVP
20.10V
PSH User Manual
36
4. Make sure the Multimeter shows no value (No output).
5. Press the Output key
OUTPUT
and turn On the output.
The display changes into CV
(Constant Voltage) mode and
shows the OUT sign on the top
right corner.
OUT
CV 20.00V 18.00A
6. Make sure the Multimeter reading and the PSH display show
approximately the same Voltage.
7. Increase the PSH output voltage beyond the OVP value.
8. Make sure the display shows an error message.
Press the Local key
LOCAL
to get
back to the normal display.
OVP Error! Press
“Local” to reset
9. Make sure the output is now turned Off in the display and the
Multimeter shows no value (No output).