Dahua 3000 Series, User Manual

Page: 41 / 51

Main Function Description
41
Figure 5-4 Digital IO Control
Sheet 5-5 Digital IO Control - Parameter Explanation
Parameter Explanation
LineSelector Selects the external IO line for configuration.
LineMode Configures the output mode of selected IO Line
：
Input/Output.
LineInverter
Controls the selected physical input or output line signal inversion,
True is for the signal to invert, False for the signal not to invert.
LineStatus
Indicates the current status of the selected physical input or output
line.
LineStatusAll Returns the current status of all available lines.
LineSource
When IO line is selected to be the output, you can select the trigger
source. Current supported trigger sources are as follows
：

ExposureActive: outputs the signal when exposure starts.

FrameTriggerWait: outputs the waiting signal for frame trigger.

Timer0Active: outputs the signal when the Timer0 counts up.

UserOutput0: outputs the value user set in Userset0.

AcquisitionTriggerWait: outputs the waiting signal for
acquisition trigger.

LightTrigger: outputs the light trigger signal.
Output 1 means the opto-coupler is on, 0 means off.
LineFormat
Shows whether the currently selected IO line supports opto-coupler
isolation.
UserOutputSelector User-defined output group selection.
UserOutputValue The output value of the user-defined output group.
UserOutputValueAll Sets all values of the user-defined output group to 0 or 1.