Chapter 4 Remote Interface Reference
Output Setting and Operation Commands
74
CURRent:PROTection {<current>|MINimum|MAXimum}
This com mand sets the current level at which the overcurrent protection
(OCP) circuit will trip. If the peak output current exceeds the OCP level, t hen
the output current is programmed to zero. The Questionable Status register
‘‘OC’’ bit is se t (see
page 91). An overcurrent condit ion can be cleared with the
CURR:PROT:CLE
comm and after the condition that caused the OCP trip is
removed.
CURRent:PROTection? {MINimum|MAXimum}
This query returns the overcurrent protection trip level presently programmed.
CURR:PROT? MAX
and
CURR:PROT? MIN
ret urn the ma ximum an d minimum
programmable overcurrent trip levels.
CURRent:PROTection:STATe {0|1|OFF|ON}
This command enables or disables the overcurrent protection function of the
power supply. An overcurrent condition can be cleared with the
CURR:PROT:CLE
comm and after the condition that caused the OCP trip is
removed. At
*RST
, this value is set to ‘‘ON’’.
CURRent:PROTection:STATe?
This query returns the state of the overcurrent protection function. The
returned parameter is ‘‘0’’ (OFF) or ‘‘1’’ (ON).
CURRent:PROTection:TRIPped?
This query returns a ‘‘1’’ if the overcurrent protection circ uit is tripped and not
cleared or a ‘‘0’’ if not tripped.
CURRent:PROTection:CLEar
This com mand cau ses the overcurrent protection circuit to be cl eared. After
this command, the output cu rrent is restored to the state it was in before the
current protection tripped and the OCP trip level remains unchanged to the
value presently programmed. Before sending this command, lower the output
current below the trip OCP point, or raise the OCP trip level above the output
setting.
Note that the overcurrent condition caused by an external source
must be removed first before proceeding this command.
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