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4 Operating the Power System
60 Series N6700 User’s Guide
You can also specify a delay to prevent momentary CV-to-CC status
changes from tripping the over-current protection.
Front Panel: SCPI Command:
Select Protect\OCP.
Enter a delay value and press Select.
Check "Start delay on CC" to start the
delay timer by ANY output transition
into CC mode. Otherwise, the delay
timer will only be started by a settings
change in voltage, current, or output
state.
To specify a 10 millisecond delay:
OUTP:PROT:DEL 0.01,(@1,2)
To start the delay timer by ANY
output transition into CC mode:
CURR:PROT:DEL:STAR CCTR,
(@1,2)
To start the delay timer by a settings
change in voltage current or output:
CURR:PROT:DEL:STAR SCH,
(@1,2)
Couple Output Protection
Protection coupling lets you disable all output channels when a
protection condition occurs on a single output channel. To couple
output protection:
Front Panel: SCPI Command:
Select Protect\Couple.
Check the Enable Coupling box and
press Select.
To enable output protection coupling:
OUTP:PROT:COUP ON
Clear Output Protection Functions
If an over-voltage, over-current, over-temperature, power-fail
condition, power-limit condition, protection condition, or inhibit
signal occurs, the power system turns off the affected output channel.
The appropriate operating status indicator on the front panel will be
on (e.g. OV, OC, OT, PF, CP+, PROT, INH). To clear the protection
function and restore normal operation, first remove that condition
that caused the protection fault. Then, clear the protection function
as follows:
Front Panel: SCPI Command:
Select Protect\Clear.
Select the Clear button.
To clear a protection fault on output 1:
OUTP:PROT:CLE(@1)