Triggering and Scanning Modes
The following section shows the various ways the HP E1313/E1413 can
control channel scanning, and how to select the trigger mode to accomplish it.
Continuous
(Free-Run) Mode
The Continuous Mode provides the fastest scanning. The time between
channel measurements is controlled by the trigger timer interval and is
consistent from channel-to-channel as well as from the last channel in the
scan list back to the first channel in the list when the scan list is re-executed.
Example Command Sequence
ROUT:SEQ:DEF LIST<
n
>,(@101,103,105,107)
<n> can be 1 - 4.
ROUT:SCAN LIST<
n
>
SAMP:TIM LIST<
n
>,<
t
c
>
<t
c
> can be 10
µ
s to 32.768ms.
TRIG:SOUR IMM
ARM:SOUR <
source
>
<source> can be BUS, EXT,
HOLD, IMM, or TTLTrg0 -
TTLTrg7.
INIT:CONT ON
Starting
ARM event, either hardware or software
Acquisition starts
Stopping
INIT:CONT OFF
Stops at end of scan list.
ARM
t
c
Channel Number
t
c
is the sample time between channels.
The large arrow is the arming event or signal. The smaller arrows
are sample triggers generated by the HP E1313/E1413 when
stepping through the channel list.
Chapter 4
Understanding the HP E1313/E1413 111
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