Section 2: General operation
Models 707B and 708B Switching Matrix Reference Manual
2-80
707B-901-01 Rev. A / August 2010
Advanced triggering
The Advanced Trigger tab of the Scan Builder allows you to set the options that are available from the
Simple Trigger tab, as well as more sophisticated options to control scan triggering.
The Advanced Trigger tab uses the
(on page 3-1) flowchart to help you visualize and
define the input and output triggers to the scan.
For more information on the trigger model, see
The options on the Advanced Trigger tab include:
•
Mode
: Select Open All to open all slots before the scan starts. Select Open Selective to open only
channels that are involved in scanning; closed channels that are not involved in scanning remain
closed.
•
Arm (Scan Start) Stimulus
: Select the event that causes the arm event detector trigger to be set to the
detected state (the scan can begin).
•
Channel Action Stimulus
: Select the event that causes the channel event detector to be set to the
detected state (the step can begin).
•
Channel Ready Event To
: Select the recipient of the Channel Ready Event.
•
Scan Complete Event To
: Select the recipient of the Scan Complete Event.
There is a also a
Config
button available for each of the options except Mode. When you click this
button, a dialog box with additional options for the selection is displayed.
The scan mode determines how channels are opened before the start of the scan.
You can select:
•
Open all:
All slots are opened.
•
Open select:
All channels selected in the scan list are opened; any closed channels remain closed if
they are not in the scan list.
To set the scan mode from the web interface:
1. Select
the
Advanced Trigger
tab.
2. Select
Mode
.
3. Select
OPEN_ALL or OPEN_SELECT
.
