182
182
182
182
Motion detector
During business hours, if someone enters store, the detector B1 will trigger electric motor to
open the
door ,
vice versa.
At closing time, the detector B2 make electromotor keep running for an hour to make more
time for customer to leave.
Trigger
Trigger
Trigger
Trigger electromotor
electromotor
electromotor
electromotor for
for
for
for opening
opening
opening
opening door
door
door
door
The output Q1 is switched on and triggers electromotor, when:
Operate control switch I5(the door is open all the time)
The detector indicates that somebody is approaching to the
door .
The door has not been opened entirely (I4 limit switch is not off.).
Trigger electromotor for closing door
Operate control switch I6(the door is closed all the time )
The detector indicates that nobody is approaching the
door .
The door had not been closed entirely (I3 limit switch is not off).
Buzzer
Connect the buzzer to output Q3.When the door is going to be closed; the buzzer gives off
sounds for a short time (1s in this example).
To
attach buzzer, need to connect the following
circuit program to output Q3.
To Next Page
Loading...
Need help?
General
