Friday, November 5, 2010

Parking Information using PLC Mitsubishi




PLC Type FX2N(C) Mitsubishi, Name Input/Output PLC :

INPUT PLC :
X000 ; Ultrasonic sensor for IN detection.
X001 ; Ultrasonic sensor for OUT detection.

OUTPUT PLC :
Y000 ; Output for "FULL" display.
Y001 ; Output for "EMPTY" display.


Download PDF File:
Parking Information with PLC Mitsubishi(.pdf)

Setting PLC Parameter for Device Latch:

Device Latch

Reading Ladder PLC Programming for Parking Information using PLC Mitsubishi :

Step 1 :
Setting Data equal capacity of parking areas
a.If M100 = OFF Then D201 = 15.
Remarks :
a.1. If capacity of parking areas = 0 Then D201 = 10.
a.2. If capacity of parking areas = 5 Then D201 = 10 + 5 = 15.
a.3. If capacity of parking areas = 1000 Then D201 = 10 + 1000 = 1010.

Step 2 :
"FULL" display => ON
a.If X000 = ON Then Increments Pulse the D200 by 1(one).
b.If D200 equal or more than 15 ( capacity of parking areas = 5 ) Then M0 = ON.
c.If M0 = ON Then Y000 = ON.

Step 3 :
"EMPTY" display => ON
a.If X001 = ON Then Decrements Pulse the D200 by 1(one).
b.If D200 less than 15 ( capacity of parking areas = 5 ) Then M1 = ON.
c.If M1 = ON Then Y001 = ON.

Step 4 :
Minimum and Maximum Limits
Minimum Limits :
a.If D200 less than 10 ( [< D200 K10] ) Then D200=10 ( [MOV K10 D200] ).
Maximum Limits :
b.If D200 more than D201/capacity of parking areas ( [> D200 D201] ) Then D201=D200 ( [MOV D201 D200] ).

Please Download Programming for GX Developer :
Parking Information using PLC Mitsubishi

See : Parking Information


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