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4 Operating the Power System
The following non-volatile inhibit input modes can be programmed:
LATChing - causes a logic-true transition on the Inhibit input to disable the output. The output will
remain disabled after the inhibit signal is received.
LIVE - allows the enabled output to follow the state of the Inhibit input. When the Inhibit input is true,
the output is disabled. When the Inhibit input is false, the output is re-enabled.
OFF - The Inhibit input is ignored.
To configure the Inhibit Input function:
Front Panel Menu Reference
Select System\IO\DigPort\Pins.
Select pin 3. In the Function field, select Inhibit
In.
In the Polarity field, select Positive or Negative.
Select Protect\Inhibit.
Select either Latching or Live.
To disable the Inhibit signal, select Off.
Fault/Inhibit System Protection
The following figure illustrates some ways that you can connect the Fault/Inhibit pins of the
connector.
As shown in the figure, when the Fault outputs and Inhibit inputs of several instruments are daisy-
chained, an internal fault condition in one of the units will disable all outputs without intervention by
either the controller or external circuitry. Note that when using the Fault/Inhibit signals in this manner,
both signals must be set to the same polarity.
150
SCPI Command
To select the Inhibit function:
DIG:PIN3:FUNC INH
To select the pin polarity:
DIG:PIN1:POL POS
DIG:PIN1:POL NEG
To set Inhibit mode to Latching:
OUTP:INH:MODE LATC
To set Inhibit mode to Live:
OUTP:INH:MODE LIVE
To disable the Inhibit signal:
OUTP:INH:MODE OFF
Keysight N6700C Series User's Guide
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