Agilent Technologies 34980A User Manual page 141

3
Features and Functions
Analog Bus Connector
5
9
ABus1 HI
ABus2 HI
ABus3 HI
ABus4 HI
6
1
• For an externally- controlled scan, you must either remove the internal
• In this configuration, you must set up a scan list to include all desired
• You can configure the event or action that controls the onset of each
• You can configure the event or action that notifies the 34980A to
130
Chan Adv In
ABus1 LO
ABus2 LO
ABus3 LO
ABus4 LO
Chan Closed Out
34980A 34980A
DMM from the 34980A or disable it (see
page 153). Since the 34980A's internal DMM is not used, readings from
multiplexer channels are stored in the external DMM's memory.
multiplexer or digital channels. Channels which are not in the list are
skipped during the scan. By default, the instrument scans the list of
channels in ascending order from slot 1 through slot 8 (channels are
reordered as needed).
sweep through the scan list (a sweep is one pass through the scan list).
The selected source is used for all channels in the scan list. For more
information, refer to
advance to the next channel in the scan list. Note that the Channel
Advance source shares the same sources as the scan trigger. However,
an error is generated if you attempt to set the channel advance source
to the same source (other than IMMediate) used for the scan trigger.
Ext Trig Connector
1
6
GND
9
5
"Scan Trigger Source"
Agilent 34980A Mainframe User's Guide
External DMM External DMM
VM Complete Out Ext Trig In
"Internal DMM Disable"
on page 112.
on