EX Series Operating Manual
If the real output current is higher than OCP level value, "
OCP TRIPPED
" message
appears on the display. And output voltage and current is dropped to near zero.
In other to output the voltage and current, at first remove the DUT from load wire and clear
the tripped OCP as like below method. The reason of tripped OCP occuring,
First, OCP setting level is lower than rear output current level. Therefore, increase the
OCP level.
Second, Maybe the DUT is like a coil, motor and as like a source that make an in rush
curren.To avoid this, a UF-diode must be connected in series with the output as
shown below.
Third, In case of using the DUT as like source. If external voltage source such as a battery
is connected across the output, feedback current level is higher than OCP level and
it occurs tripped OCP. A diode must be connected in series with the output as
shown below.
Forth, If you can't control the tripped OCP, turn off the OCP function.
Enter the "Factory mode" and move to "6
.OCP USE
" and then disable this function.
▌When occurs OCP trip이, "
OCP TRIPPED
" message appears on the display
▌In other to clear tripped OCP, increase the OCP Level.
In other to increase OCP level press the "Protection" key
In other to increase OCP level, press the Protection key.
LCD Display
Protect> 1.ovp
▌Press the right cursor key in other to enter the OCP.
LCD Display
PROTECT> 2.OCP
▌In the "protect> 2.ocp ", press the "Protection" key one more time.
LCD Display
OCP SET> 50.00a
▌Move the under bar cursor where you want to change the level.
▌Readjust the OCP level by using the encoder knob.
▌Finished to change the level, press the "Protection" key.
LCD Di
l
CHANGED
LCD Display
CHANGED
After displayed above message, return to before state that tripped OCP.
≫ Related Remote Interface Command
CURR:OCP {<current>}
CURR:OCP?
CURR:OCP:TRIP?
CURR:OCP:TRIP?
CURR:OCP:CLE
Apply 1 :
Method of checking tripped OCP or not and readjust the OCP level.
CURR:OCP:TRIP? Return value "1"
Check the tripped OCP.
CURR:OCP 80
Set the OCP level
CURR:OCP:CLE
clear the OCP trip.
- 32 -
