8.Features
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 27
The default output signal level is false when the camera is powered on, indicating that the output line level
is not reversed. If it is set as true, indicating that the output line level is reversed. As shown in the Figure
8-3 and Figure 8-5.
OutPut
Signal
Output Line
LineInverter= False
Output Line
LineInverter= True
Figure 8-5 Set output line reversion
8.1.1.3.
Read the LineStatus
1)
Read the level of single line
The VEN-U3 series camera can get the line's signal status. When the device is powered on, the default
status of Line0 is false, and the default status of Line2 is true.
2) Read all the lines level
The VEN-U3 series camera can get the current status of all lines. On the one hand, the signal status is
the status of the external IO after the reversal of the polarity. On the other hand, signal status level can
reflect the external IO level.
All the lines level status bit of the VEN-U3 series camera are shown in Table 8-1. The default value is 0x4.
Line2
Line0
1
0
Table 8-1 Camera line status bit
8.2.
Image Acquisition Control
8.2.1.
Acquisition Start and Stop
8.2.1.1.
Acquisition Start
It can send
AcquisitionStart
command immediately after opening the camera. The acquisition process in
continuous mode is illustrated in Figure 8-6, and the acquisition process in trigger mode is illustrated in
Figure 8-7.
⚫
Continuous Acquisition
