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4 Operating the Power System
Digital Input
Each of the seven pins can be configured as digital input only. The polarity of the pins can also be
configured. Pin 8 is the signal common for the digital input pins. The pin status reflects the true
condition of the external signal that is applied to the pin. The pin state is not affected by the value of
the binary output word.
To configure the pins for digital input only:
Front Panel Menu Reference
Select System\IO\DigPort\Pins.
Select a pin in the pin field.
In the Function field, select Dig In.
In the Polarity field, select Positive or Negative.
To read the data from the pins, select
System\IO\DigPort\Data.
The input data is displayed as a binary number in
the Data In field.
External Trigger I/O
Each of the seven pins can be configured as trigger inputs or trigger outputs. The polarity of the pins
can also be configured. When you program trigger polarity, POSitive means a rising edge and
NEGative means a falling edge. Pin 8 is the signal common for the trigger pins.
When configured as a trigger input, you can apply either a negative-going or a positive-going pulse to
the designated trigger input pin. The trigger latency is 5 microseconds. The minimum pulse width is 4
148
SCPI Command
To configure the pin function:
DIG:PIN1:FUNC DINP
To select the pin polarity:
DIG:PIN1:POL POS
DIG:PIN1:POL NEG
To read the pin data:
DIG:INP:DATA?
Keysight N6700C Series User's Guide
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