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Overcurrent protection (OC/OCP)
It has two kinds of overcurrent protection: hardware overcurrent (OC) and software overcurrent (OCP).
Hardware overcurrent protection (OC): It is triggered once the output current exceeds 110% rated output
current, and “OC” is prompted on display.
Software overcurrent protection (OCP): It is programmable as shown in “Figure 3-9 Protection Set”. Users are
able to set the OCP threshold, set to 0 means to turn off OCP. OCP is triggered once the output current exceeds
OCP set, and “OCP” is prompted on display.
Overpower protection (OP/OPP)
It has two kinds of overpower protection: hardware overpower (OP) and software overpower (OPP).
Hardware overpower protection (OP): It is triggered once the output power exceeds 110% rated output power,
and “OP” is prompted on display.
Software overpower protection (OPP): It is programmable as shown in “Figure 3-9 Protection Set”. Users are
able to set the OPP threshold, set to 0 means to turn off OPP. OPP is triggered once the output power exceeds
OPP set, and “OPP” is prompted on display.
Overtemperature protection
It is triggered once the temperature of inner power components exceeds allowed temperature range (80
℃
), “OT”
is prompted on display.
Reverse voltage warning (RVP)
It is triggered once the output polarities are reverse connected, and “RVP” is prompted on display.
Low voltage protection (LVP)
It is programmable as shown in “Figure 3-9 Protection Set”. Users are able to set the low voltage protection
threshold, set to 0 means to turn off this protection. Low voltage protection is triggered once the output voltage
is below the set value, and “LVP” is prompted on display.
Foldback Protection (Fold)
This function turns off power supply output if power supply output mode is changed (CV to CC or CC to CV).
You can configure the “Foldback” setting in “Protection” sub menu under “Set” menu. It has three choices:
●
OFF, this turns off foldback protection;
●
CV to CC, power supply is allowed to output under CV only, it automatically turns off output if switch to CC;
●
CC to CV, power supply is allowed to output under CC only, it automatically turns off output if switch to CV.
Furthermore, there is a “Fold_Time” item for users to set the foldback protection delay time, range is 0.1 seconds
up to 600 seconds. When foldback protection occurred, the screen will prompt “FOLD”.
Figure 3-10 F_Time (Foldback Protection Delay Time)
