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2.14.2 Overvoltage
The overvoltage protection level is set at a predetermined voltage, which cannot be changed by
the user. When the input voltage exceeds this predetermined voltage, the overvoltage protection will be
enabled, and the input is turned off with OV displayed, meanwhile, the OV and VF status register bits
are set, and will remain set until they are reset and overvoltage condition is removed.
2.14.3 Overcurrent
The electronic load allows the user to define a current protection limit. When the defined current
limit is exceeded, the overcurrent timer starts timing, and the display will show PT to indicate
protection status, but the input will not be turned off immediately. When the specified delay time is
reached, the overcurrent protection will be enabled and the input is turned off with OC displayed,
meanwhile, the OC and PS status register bits are set, and will remain set until they are reset and
overcurrent condition is removed. The current protection limit function can only be set via the remote
command.
SCIP Command Description
CURRent:PROTection:STATe ON/OFF Turns on/off the current protection limit function
CURRent:PROTection<NRf+> Sets the current limit level
CURRent:PROTection:DELay < NRf+> Sets the delay time to turn off the input
2.14.4 Overpower
The electronic load includes both hardware and software overpower protection functions.
Once the input power exceeds the maximum rated power, the hardware power-limit circuit will be
enabled immediately to limit the input power within the allowed range, in the meantime, the load will
compute the present actual power.
No matter the hardware power-limit circuit is enabled, or use software to compute, the overpower
protection will become active as long as the overpower time exceeds the specified limit. When the
overpower protection is enabled, the input will be turned off with OP displayed, meanwhile, the OP
and PS status register bits are set, and will remain set until they are reset and overpower condition is
removed.
2.14.5 Overtemperature
If the internal temperature of the load exceeds safe limits, the overtemperature protection will be
enabled; the input will be turned off with OT displayed, in the meantime, the OT and PS status register
bits are set, and will remain set until they are reset and overtemperature condition is removed. You
must wait until the load cools down to the normal temperature before you can reset the latched
protection. The fans in the load will help to cool the load as quickly as possible.
2.14.6 Reverse Voltage
When reverse voltage is applied, the reverse voltage protection will be enabled; the input will be
turned off with RV displayed, in the meantime, the RV and VF status register bits are set, and will
remain set until they are reset and reverse voltage is removed.
2.15 Auxiliary Functions
2.15.1Trigger Function Selection
The Trigger Function in main menu is used to select the trigger object. Selecting “Tran” is used to
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