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Section 3: Functions and features
Models 707B and 708B Switching Matrix Reference Manual
3-2
707B-901-01 Rev. A / August 2010
NOTE
You cannot use an external trigger event (for example, digital I/O) for the channel stimulus setting of
the trigger model when using the front-panel STEP key.
Figure 58: Models 707B and 708B triggering overview
Start scan
Wait for scan start
trigger
Wait for channel
action trigger
Channel action
Step count
complete?
Scan count
complete?
Idle
Yes
Scan Ready Event
Scan start trigger
Channel action trigger
Scan Start Event
Bypass on
Scan count = 1, step count = 1
Channel Ready Event
Yes
No
No
Scan Complete Event
Idle Event
Step
Scan
Front panel: SCAN > BACKGROUND
ICL:
scan.execute()
or
scan.background()
Web interface:
Execute Background
scan.trigger.EVENT_SCAN_READY
ICL:
scan.trigger.arm.stimulus
If front panel, starts immediately
scan.trigger.channel.stimulus
scan.trigger.EVENT_SCAN_START
scan.trigger.EVENT_CHANNEL_READY
scan.trigger.EVENT_SCAN_COMP
scan.trigger.EVENT_IDLE