LS = Limit Switch
LIVE
LS1
12V dc Motor
NEUTRAL
Terminal
Block-TB1
Entrance Gate Barrier
Terminal
Block-TB2
LS2
LS3
PLC - CPM 1A
INPUT
OUTPUT
12V dc Motor
+
240Vac
Start
L1
N
12 dc
INPUT
LS4
Exit Gate Barrier
Stop
PROXIMITY
SENSOR
PROXIMITY
SENSOR
0.00
10.00
0.01
10.01
0.02
10.02
0.03
10.03
0.04
10.04
12dc
+
Entrance Gate Tower Lamp
Green
Red
10.05
LS1
0.05
LS2
0.06
10.06
LS3
0.07
10.07
COM
LS4
COM
0V
24Vdc
Block Diagram - Controlled Barrier Gate System
Green
Red
Exit Gate Tower Lamp