Dahua Technology WizSense IPC-HFW3441E-SA Operation Manual page 202

Figure 5-71 Vehicle density (parking upper limit)
Step 2 Click to add the vehicle density function.
Double-click the name to modify the rule name. Select Traffic Congestion or Parking
Step 3
Upper Limit.
● Traffic Congestion: The system counts the vehicles in the detection area. When the
counted vehicle number and the continuous congestion time exceed the configured
values, an alarm is triggered and the system performs an alarm linkage.
● Parking Upper Limit: The system counts the vehicles in the detection area. When the
counted vehicle number exceeds the configured value, an alarm triggered and the
system performs an alarm linkage.
Click Draw Area to draw a detection area in the image.
Step 4
Step 5 Set parameters.
Table 5-20 Description of people counting parameters
Parameter
Repeat Alarm Time
Vehicle Congestion Alarm
Description
After the alarm is triggered, if the status lasts for the configured
time in Repeat Alarm Time, the alarm will be triggered again.
0 indicates that the function is disabled.
Select the check box, and set the Threshold and Continuous
Congestion Time.
When the counted vehicle and the continuous congestion time
exceed the configured values, an alarm is triggered.
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Operation Manual