Allied Vision Technologies Guppy Manuel d'instructions télécharger pdf (Page 129)

Guppy PRO Technical ManualV4.1.0

129

Controlling image capture

Software trigger

A software trigger is an external signal that is controlled via a status and control

The behavior is different dependent on the trigger mode used:

• Edge mode, programmable mode: trigger is automatically reset (self-

cleared).

• Level mode: trigger is active until software trigger register is reset

manually.

in advanced register 62Ch on page 201: set bit [0] to 0

in SmartView: Trig/IO tab, Stop trigger button

Debounce

Only for input ports:

There is an adjustable debounce time for trigger: separate for each input pin. The

debounce time is a waiting period where no new trigger is allowed. This helps

you to set exactly one trigger.

To set this feature in an advanced register: see chapter Debounce time on page

130.

To set this feature in SmartView: Trig/IO tab, Input pins table, Debounce col-

umn.

Note



• Switching trigger delay to ON also switches external Trig-

ger_Mode_0 to ON.

• This feature works with external Trigger_Mode_0 only.

Figure 69: Example of debounce time for trigger

Trigger

signal

Debounce time

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Allied Vision Technologies Guppy Manuel d'instructions Page 129