Baumer SXC20 Podręcznik użytkownika - Strona 35

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8.5.2. Trigger Input

Trigger signals are used to synchronize the camera exposure and a machine cycle or, in

case of a software trigger, to take images at predefined time intervals.

Different trigger sources can be used here.

8.5.3. Trigger Source

Each trigger source has to be activated separately. When the trigger mode is activated,

the hardware trigger is activated by default.

Trigger (valid)

Exposure

Readout

Time

30V

high

11V

4.5V

low

Figure 37 ▲

Trigger signal, valid for

Baumer cameras.

◄ Figure 38

Camera in trigger

mode:

A - Trigger delay

B - Exposure time

C - Readout time

Trigger Delay:

The trigger delay is a

flexible user-defined delay

between the given trigger

impulse and the image cap-

ture. The delay time can

be set between 0.0 μsec

and 2.0 sec with a stepsize

of 1 μsec. In the case of

multiple triggers during the

delay the triggers will be

stored and delayed, too.

The buffer is able to store

up to 512 trigger

signals during the delay.

Your benefits:

▪

No need for a perfect

alignment of an external

trigger sensor

▪

Different objects can be

captured without hardware

changes

◄ Figure 39

Examples of possible

trigger sources.