Remote Operation
M370430-01 Rev B 5-69
Configure Other Protection Mechanisms
Foldback Protection
Foldback protection causes the output of the power supply to shut
down if the selected regulation mode is entered and the configured
delay time expires. A delay time may be specified as well. The
only way to clear foldback is by pressing the rotary Adjust/Enter
control for 3 seconds and executing the Clear command.
Command:
[:]OUTPut[<channel>]:PROTection:CLEar
Setting the Foldback Mode
The following command will set the foldback mode. The mode
selected by the character mnemonic sent will indicate which mode
will trigger the foldback alarm to begin counting. For example, if
the command is sent with the CV mnemonic and the output is
enabled with no load attached (open circuit), the unit will operate
in constant voltage mode and the foldback counter will begin
counting. If the CC mode was set and the output was enabled with
no load connected, the unit will operate in CV mode and the
foldback counter will not trigger.
To set the foldback mode, send the command:
Command:
[:]OUTPut[<channel>]:PROTection:FOLDback {?|CC|CV|NONE}
Where:
NONE indicates foldback protection is disabled.
CC indicates the supply will shut down due to constant current
condition.
CV indicates the supply will shut down due to constant voltage.
The default value is NONE.
To set the foldback delay, send the command:
Command:
[:]OUTPut[<channel>]:PROTection:FOLDback:DELay
<delay_time>
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