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shorter than the maximum delay offset, you may experience improper synchronization across all
outputs.
There is no need to specify a delay offset when outputs turn off. Outputs start executing
their turn-off delays as soon as an output Off command is received.
Synchronizing Multiple Mainframes
The output turn-on synchronization function can be used across multiple mainframes that have
coupled output channels. Each mainframe that will be synchronized must have at least one coupled
channel. Note that cross-frame synchronization must be enabled for any mainframe that contains
synchronized output channels.
Step 1. Configure the output channels on each mainframe (refer to previous steps 1- 3)
Step 2. Specify a common delay offset for all of the synchronized output channels
This step is required if you have power modules with different minimum delay offsets. The delay value
must be the largest delay offset of all synchronized output channels regardless of the mainframe in
which they are installed. This same value must be specified as the common delay offset for each
mainframe.
Front Panel Menu Reference
In the front panel menu of each mainframe, select
Output\Sequence\Couple.
In the Delay offset field, enter the delay offset value of
the slowest power module of all the mainframes in
milliseconds. Then press Select.
The Max delay offset for this frame field displays the
delay offset of the slowest power module in this frame.
Step 3. Connect and configure the digital connector pins of the synchronized mainframes
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.
The digital connector pins of the synchronized mainframes that contain coupled channels 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.
Keysight N6700C Series User's Guide
SCPI Command
To specify the common delay offset for each mainframe
in seconds:
OUTP:COUP:DOFF .051
To return the delay offset of the slowest power module
in each mainframe (the maximum delay offset) in
seconds:
OUTP:COUP:MAX:DOFF?.
4 Operating the Power System
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