l If the power-on state is set to 0 with no state stored, a self-test error "file not found; 0 state" is gen-
erated and the instrument is set to the *RST state.
OUTPut:PROTection:CLEar
Resets the latched protection. This clears the latched protection status that disables the output when
a protection condition occurs (see Programming Output Protection).
Parameter Typical Return
(none) (none)
Clears the latched protection status: OUTP:PROT:CLE
l All conditions that generate the fault must be removed before the latched status can be cleared.
The output is restored to the state it was in before the fault condition occurred.
l If a protection shutdown occurs during an output list, the list continues running even though the
output is disabled. When the protection status is cleared and the output becomes enabled again,
the output will be set to the values of the step that the list is presently at.
OUTPut:PROTection:MODE HIGHZ|LOWZ
OUTPut:PROTection:MODE?
Selects the turn-off behavior for all protection conditions as follows (see Protection Shutdown
Behavior):
High Impedance - the output is disconnected without actively sinking current. Without active current
sinking, output energy will take longer to dissipate - as downprogramming is solely determined by the
unit's passive internal network.
Low Impedance - the output voltage is programmed to zero, then disconnected. Maximum negative
current sinking occurs for 2 ms during the turn-off transition.
Parameter Typical Return
HIGHZ|LOWZ, *RST LOWZ HIGHZ or LOWZ
Sets protection behavior to High impedance: OUTP:PROT:MODE HIGHZ
OUTPut:PROTection:TEMPerature:MARGin?
Returns the minimum difference between the internal temperature sensors and the over-
temperature trip level. The margin is returned in degrees Celsius.
Parameter Typical Return
(none) <margin value>
Returns the temperature margin: OUTP:PROT:TEMP:MARG?
6 SCPI Programming Reference
251 Keysight N6900/N7900 Series Operating and Service Guide
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