User`s guide

Using the Digital Port Appendix C
Model N6705 User’s Guide 205
From the front panel:
To configure the trigger input function, press the Menu key, scroll
down and select the Utilities item, then select Digital I/O. Then
press Enter. The Digital I/O window will appear as previously shown
under “Bi-directional Digital I/O”.
Select the pin you wish to configure from the Pin dropdown list.
Select the Trigger Out function for the pin the from the Function
dropdown list.
Configure the polarity for the pin by selecting the Polarity dropdown
menu. Select either Positive or Negative.
From the remote interface:
To configure the Trigger Out function for the selected pin:
DIG:PIN<1-7>:FUNC TOUT
To configure the pin polarity to positive for the selected pin:
DIG:PIN<1-7>:POL POS
Output Couple Controls
This function lets you connect multiple Agilent N6705 mainframes
together and synchronize the output on/off sequence across
mainframes. Each mainframe that will be synchronized must have at
least one coupled output.
1. Configure the outputs on each mainframe as described in chapter
3. Set the output coupling Mode to Manual.
2. Set the delay offset of each individual mainframe to match the
longest delay offset of the mainframe group.
3. Connect and configure the digital connector pins of the
synchronized mainframes as described in this section.
NOTE
All synchronized N6705 mainframes must have the same firmware revision.
Only pins 4 through 7 can be configured as synchronization pins. You cannot
configure more than one On Couple and one Off Couple pin per mainframe.
The polarity of the pins is not programmable; it is set to Negative.
The digital connector pins of the synchronized mainframes that
contain coupled outputs must be connected together as shown in the
following figure. In this example, pin 6 will be configured as the
output On control. Pin 7 will be configured as the output Off control.
The ground or Common pins also need to be connected together.
Only two of the digital connector pins on each mainframe can be
configured as “On Couple” and “Off Couple” on each synchronized
mainframe. The designated pins will function as both an input and an
output, with a negative transition on one pin providing the
synchronization signal to the other pins.