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OUTPut:TTLTrg:SOURce
HP E1313 Note
Parameters
Comments
Usage
Chapter 5
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OUTPut:TTLTrg:SOURce <
event that will operate the VXIbus TTLTRG lines.
Most B-Size mainframes do not support VXIbus TTLTRG lines.
Parameter
Parameter
Name
Type
trig_source
discrete (string)
<
>
•
The following table explains the possible choices.
Parameter Value
FTRigger
LIMit
SCPlugon
TRIGger
• FTRigger
(First TRigger) is used to generate a single TTLTRG output when
repeated triggers are being used to make multiple passes through a scan list. The
TTLTRG line will go low (asserted) at the first trigger event and stay low through
subsequent triggers until the trigger count (as set by
exhausted. At this point the TTLTRG line will return to its high state
(de-asserted). This feature can be used to have one HP E1413 trigger (set to
OUTPut:TTLTrg:SOURce FTRigger
second HP E1413 (set to
will be triggered in the ratio
For an example of this arrangement, see " Timer Based Scans at Different Rates"
on page 118.
•
Related Commands:
OUTPut:TTLTrg<
,
TRIGger:SOURce
TRIGger:COUNt
•
*RST Condition:
OUTPut:TTLTrg:SOURce TRIGger
OUTP:TTLT:SOUR LIM
trig_source
selects the internal source of the trigger
>
Range of
Values
TRIGger | FTRigger | SCPlugon | LIMit
Source of Trigger
Generated on the First TRigger of a multiple "counted
scan" (set by TRIGger:COUNt <
Generated when a channel's limit test is exceeded.
Generated by a Signal Conditioning Plug-on (SCP).
Generated every time a scan is triggered (see
trig_source
TRIGger:SOURce <
and
OUTPut:TTLTrg<
TRIGger:SOURce TTLTrg<
1
TRIGger: COUNt
module#1
n
>[:STATe]
Toggle TTLTRGn line when limit test
exceeded.
HP E1313/E1413 Command Reference
OUTPut
Default
Units
none
trig_count
>).
>).
) is
TRIGger:COUNt
n
>:STATe ON
) a
n
>
). The second module
,
OUTPut:TTLTrg:SOURce?
,
217
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