4 Using the Solar Array Simulator
62 Series E4360 User’s Guide
Front Panel:
SCPI Command:
Select Protect\Coupling. Check
the Enable Coupling box and
press Select.
To enable protection Coupling:
OUTP:PROT:COUP ON
Clear Output Protection Functions
If an over-voltage, over-current, over-temperature, over-switching,
power-fail condition, protection condition, or inhibit signal occurs, the
SAS turns off the affected output channel. The appropriate operating
status indicator on the front panel will be on (e.g. OV, OC, OT, PF, 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:
Using Voltage and Current Soft Limits
Inadvertent shutdown of the output through hardware protection is
undesirable in many applications. Soft limits provide protection against
programming the output to undesirable values without tripping the
hardware protection circuits. The benefit of soft limit protection is that
the output settings and the output state are not changed when an
undesirable value is programmed.
Soft limits are available for both voltage and current parameters. Only
the maximum programmable values can be limited; there are no limits
for minimum programmable values. Soft limits are non-volatile and are
automatically restored on power-up. The soft limits are not affected by
a reset (*RST); they can only be changed by reprogramming. Soft limits
apply to all modes of operation as follows.
Voltage and current programming values are checked against the soft limits.
SAS mode
In IMMediate mode, the Voc and the Isc parameters are checked against the
soft limits.
In LIST mode, the Voc and the Isc list is checked against the soft limits when
the list system is initiated.
Table
Each I-V point including the offset setting is checked against the soft limits
when the table is activated; an error is generated if it exceeds the soft limits
.
Front Panel:
SCPI Command:
Select Protect\SoftLimits
\Voltage. Enter a value in the
Limit box and press Select.
Select Protect\SoftLimits
\Current. Enter a value in the
Limit box and press Select.
To set a soft voltage limit for
output 1:
VOLT:SLIM:HIGH 10,(@1)
To set a soft current limit for
output 1:
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