18
Functional groups
Functional groups
Manual ADQ-610 series Rev. 1.0
3.2.1.2 External trigger D/A section
The ADQ-610 series provides 8 external digital trigger inputs which are isolated from PC ground
and against the analog outputs. With it you can trigger each D/A channel independently or
synchronously. Depending on configuration the output operation can be started or stopped by
a rising, falling or any edge.
The digital trigger inputs (TRIG_AO
x
) are designed for a TTL high-level of +5V. They use GND_
TRIG as common ground reference.
The trigger inputs can be attached by the HDMI connector ST9 at the front panel. A suitable
terminal block is available as an option (see chapter 4.2.3 on page 28).
Figure 9: Wiring of the external trigger inputs
3.2.2 Programming
For programming the analog output there is a differentiation between the so-called "Single
value output" and the "Timer-controlled output". All channels can be started or stopped inde-
pendently or synchronously by software or an external trigger signal.
3.2.2.1 Single value output
This operation mode is for output of single values without fixed time reference.
Depending on configuration the output can be started or stopped by software or by a rising
and/or falling edge at the corresponding external trigger input (TRIG_AO
x
).
Please note the order of operation as described in the online help.
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