N67xx DUT Power Supply Installation 1-21
What is Being Connected in ICT?
• Fault Output
• Inhibit Input
• Fault/Inhibit System Protection
• Clearing a System Protection Fault
Fault Output
Pins 1 and 2 can be configured as a fault-output pair. The polarity of pin 1 can also
be configured. Pin 1 is the Fault output; pin 2 is the common for pin 1. Note that
pin 2 must also be connected to pin 8.
The Fault output function enables a fault condition on any channel to generate a
fault signal on the digital control port. The following conditions will generate a fault
event: over-voltage, over-current, over-temperature, inhibit signal, power-fail
condition, or on some models, a power-limit condition.
Both pins 1 and 2 are dedicated to this function. This provides for an
optically-isolated output. Pin 2’s function is ignored.
Note that the Fault output signal remains latched until the fault condition is
cleared. You must also clear the protection circuit.
From the front panel:
1 Select System\IO\DigPort\Pins.
2 Select pin 1, then Function, then Fault Out.
3 In the Polarity field, select either Positive or Negative.
Using SCPI commands:
To configure the Fault function:
DIG:PIN1:FUNC FAUL
To select the fault output polarity:
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