Friday, September 23, 2011

Allen Bradley PLC Control For 3 Movement




PLC Type 1761 MicroLogix 1000, Name of the Input / Output:

PLC Input:
I:0/0 ; Push Button Start
I:0/1 ; Sensor1 Reverse
I:0/2 ; Sensor1 Forward
I:0/3 ; Sensor2 Reverse
I:0/4 ; Sensor2 Forward
I:0/5 ; Emergency Stop (Push Button)

PLC Output:
O:0/0 ; Cylinder1 Forward
O:0/1 ; Cylinder1 Reverse
O:0/2 ; Cylinder2 Forward
O:0/3 ; Cylinder2 Reverse


Download PDF File:
Allen Bradley PLC For 3 Movement(.pdf)

Please Download Programming for RSLogix Micro Starter Lite:
Allen Bradley PLC Control for 3 movement

Reading Ladder PLC Programming for 3 movement with Standard Sequence Programming :

1. INPUT CONDITION
a.If I:0/5 = ON Then B3:0/0 = ON
b.If B3:0/0 = ON Then RES C5:0 or C5:0.ACC = 0 (Only STEP0 = ON)
c.If I:0/1 = ON AND I:0/3 = ON Then B3:0/1 = ON ( ALL ORIGIN = ON)
d.If I:0/0 = ON Then B3:0/2 = ON (Start = ON)

2. TRIGGER AND SENSOR CONDITION
a.If B3:1/0 = ON AND B3:0/1 = ON AND B3:0/2 = ON Then B3:0/3 = ON AND B3:1/1 = ON (STEP1 = ON)
b.If B3:1/1 = ON AND I:0/2 = OFF Then B3:0/3 = OFF AND Waiting STEP1
c.If B3:1/1 = ON AND I:0/2 = ON Then B3:0/3 = ON AND B3:1/2 = ON (STEP2 = ON)
d.If B3:1/2 = ON AND I:0/4 = OFF Then B3:0/3 = OFF AND Waiting STEP2
e.If B3:1/2 = ON AND I:0/4 = ON Then B3:0/3 = ON AND B3:1/3 = ON (STEP3 = ON)
f.If B3:1/3 = ON AND I:0/1 = ON AND I:0/3 = ON Then B3:1/0 = ON (STEP0 = ON) Else Waiting STEP3

3. OUTPUT CONDITION
a.If B3:1/1 = ON Then O:0/0 = ON
b.If B3:1/3 = ON Then O:0/1 = ON
c.If B3:1/2 = ON Then O:0/2 = ON
d.If B3:1/3 = ON Then O:0/3 = ON

4. CONTROLLER
a.If B3:1/1 = OFF AND B3:1/2 = OFF AND B3:1/3 = OFF Then B3:0/4 = ON (Only STEP0 = ON)
b.If B3:0/4 = ON AND C5:0.ACC Not Equal 0 (Null) Then RES C5:0 or C5:0.ACC = 0 (Only STEP0 = ON)
c.If B3:0/3 = ON (Trigger) Then Count Up C5:0
d.If B3:0/0 = ON (Emergency Stop) Then RES C5:0 or C5:0.ACC = 0 (Only STEP0 = ON)
e.If C5:0.ACC = 0 Then B3:1/0 = ON (STEP0 = ON)
f.If C5:0.ACC = 1 Then B3:1/1 = ON (STEP1 = ON)
g.If C5:0.ACC = 2 Then B3:1/2 = ON (STEP2 = ON)
h.If C5:0.ACC = 3 Then B3:1/3 = ON (STEP3 = ON)

Allen Bradley PLC programming for Control 3 movement
with Standard Sequence Programming



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