AXIOMET AX-EL300W60A [33/72] Auxiliary functions

set with the command (CURRent:PROTection < NRf+>). The specified delay time to turn off the input can

be set with the command (CURRent:PROTection:DELay < NRf+>).

3.14.4. Over Power

The electronic load provides software overpower protection function.

Once the input power exceeds the maximum rated power, the load will compute the present actual

power. 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 OPP displayed, mean-

while, the OP and PS status register bits are set, and will remain set until they are reset and overpower

condition is removed.

3.14.5. Over Temperature

If the internal temperature of the load exceeds safe limits, the overtemperature protection will be enabled;

the input will be turned off with OTP 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.

3.14.6. Reverse Voltage

When reverse voltage is applied, the reverse voltage protection will be enabled; the input will be turned

off and the indicator of “Cancel” is turned on, 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.

3.15. Auxiliary Functions

3.15.1. Trigger Function Selection

The Trigger Function in Trigger Set menu is used to select the trigger object. Selecting “Tran” is used to

trigger transient operation, and selecting “List ” is used to trigger sequence (list) operation.

3.15.2. Knob Function

The Knob in Config menu is used to enable/disable the knob function. Select On to enable the knob function,

and select Off to disable.

3.15.3. Key Sound

The Key Sound in Config menu is used to enable/disable the key sound. Select On to enable the key sound,

and select Off to disable.