Process Automation For Water Treatment With PLC

See Simulation :
Process Automation For Water Treatment



Detail Process Automation For Water Treatment :

Information on Drawing Numbers for Detail Process Automation :
1.Valve to the Source of Dirty Water
2. Valve to Get Water From Water Tank 2
3. Valve to Get Water From Water Tank 1
4. Water Pump
5. Water Purifier or Water Purification or other
6. Valve for the Water to Water Tank 1
7. Valve for the Water to Water Tank 2
8. Clean Water Sensor or PH Water or other for Water Tank 1
9. Water Level Sensor or Water Level Gauge or other for Water Tank 1
10. Water Tank 1
11. Water Tank 2
12. Water Level Sensor or Water Level Gauge or other for Water Tank 2
13. Clean Water Sensor or PH Water or other for Water Tank 2
14. Switch ON / OFF


Number Of Inputs and Output PLC applied :
1. Number Of Inputs PLC is 9 Input :
--- 1 Unit Input for Switch ON / OFF (No.14).
--- 1 Unit Input for OK (Good) from Clean Water Sensor in Water Tank 1 (No.08).
--- 1 Unit Input for NG (No Good) from Clean Water Sensor in Water Tank 1 (No.08).
--- 1 Unit Input for OK (Good) from Clean Water Sensor in Water Tank 2 (No.13).
--- 1 Unit Input for NG (No Good) from Clean Water Sensor in Water Tank 2 (No.13).
--- 1 Unit Input for FULL WATER from Water Level Sensor in Water Tank 1 (No.09).
--- 1 Unit Input for EMPTY WATER from Water Level Sensor in Water Tank 1 (No.09).
--- 1 Unit Input for FULL WATER from Water Level Sensor in Water Tank 2 (No.12).
--- 1 Unit Input for EMPTY WATER from Water Level Sensor in Water Tank 2 (No.12).
--- Total Number Of Inputs PLC is Minimum 9 Input Unit.


2. Number Of Output PLC is 6 Output :
--- 1 Unit Output for Valve to the Source of Dirty Water (No.01).
--- 1 Unit Output for Valve to Get Water From Water Tank 2 (No.02).
--- 1 Unit Output for Valve to Get Water From Water Tank 1 (No.03).
--- 1 Unit Output for Water Pump (No.04).
--- 1 Unit Output for Valve for the Water to Water Tank 1 (No.06).
--- 1 Unit Output for Valve for the Water to Water Tank 2 (No.07).
--- Total Number Of Outputs PLC is Minimum 6 Output Unit.


Sequence PLC Programming for Process Automation For Water Treatment :

Step 1 :
a. If Switch = ON Then Valve No.01 = ON And Pump No.04 = ON And Valve No.06 = ON.
b. If FULL WATER No.09 = ON Then Valve No.01 = OFF And Pump No.04 = OFF And Check Clean Water Sensor No.08.
c. If OK (Clean Water Sensor) No.08 = ON Then Finish Process.
d. If NG (Clean Water Sensor) No.08 = ON Then Next Process to Step 2.


Step 2 :
a. If NG (Clean Water Sensor) No.08 = ON And Switch = ON Then Valve No.01 = OFF And Valve No.03 = ON And Pump No.04 = ON And Valve No.06 = OFF And Valve No.07 = ON.
b. If FULL WATER No.12 = ON Or EMPTY WATER No.09 = ON Then Pump No.04 = OFF And Valve No.03 = OFF And Check Clean Water Sensor No.13.
c. If NG (Clean Water Sensor) No.13 = ON Then Valve No.01 = OFF And Valve No.02 = ON And Valve No.03 = OFF And Pump No.04 = ON And Valve No.06 = ON And Valve No.07 = OFF.
d. If FULL WATER No.09 = ON Or EMPTY WATER No.13 = ON Then Pump No.04 = OFF And Valve No.02 = OFF And Check Clean Water Sensor No.08.
e. If OK (Clean Water Sensor) No.08 = ON Then Finish Process.
f. If NG (Clean Water Sensor) No.08 = ON Then Next Process to Step 2.a.
h. Continuous Process until Clean Water = OK.
Download Simulation Process :
Process Automation For Water Treatment


Step 3 :
a. If Switch = OFF Then Process Automation Stop.


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PLC Omron Programming for Process Automation For Water Treatment

PLC Type Series-C Omron , Name Input / Output PLC :

INPUT PLC :
0000 ; Switch ON / OFF (No.14).
0001 ; OK from Clean Water Sensor in Water Tank 1 (No.08).
0002 ; NG from Clean Water Sensor in Water Tank 1 (No.08).
0003 ; OK from Clean Water Sensor in Water Tank 2 (No.13).
0004 ; NG from Clean Water Sensor in Water Tank 2 (No.13).
0005 ; FULL from Water Level Sensor in Tank 1 (No.09).
0006 ; EMPTY from Water Level Sensor in Tank 1 (No.09).
0007 ; FULL from Water Level Sensor in Tank 2 (No.12).
0008 ; EMPTY from Water Level Sensor in Tank 2 (No.12).

OUTPUT PLC :
0500 ; Valve to the Source of Dirty Water (No.01).
0501 ; Valve to Get Water From Water Tank 2 (No.02).
0502 ; Valve to Get Water From Water Tank 1 (No.03).
0503 ; Water Pump (No.04).
0504 ; Valve for the Water to Water Tank 1 (No.06).
0505 ; Valve for the Water to Water Tank 2 (No.07).


Please Download Picture Programming Ladder PLC :

PLC Omron Programming for Process Automation For Water Treatment


Reading Ladder PLC Programming for Process Automation For Water Treatment :

Step 1 : Process 1
a.If 0000 = ON Then 1000 = Momentary ON ( Diff. Up).
b.If 0000 = ON And 1000 = ON And 1002 = OFF And 1003 = OFF Then 1001 = ON ( Hold ON ).
c.If 0000 = ON And 1001 = ON And 0005 = ON And 0001 = ON Then SET 1002 = ON ( Hold ON ).
d.If 0000 = ON And 1001 = ON And 0005 = ON And 0002 = ON Then SET 1003 = ON ( Hold ON ).
e.If 0000 = OFF Then RES 1002 = ON ( 1002 = OFF ) And RES 1003 = ON ( 1003 = OFF ).

Step 2 : Process 2 And 3
PROCESS 2 :
a.If 0000 = ON And 1003 = ON And 0002 = ON And 1005 = OFF And 1006 = OFF Then 1004 = ON ( Hold ON ).
b.If 0000 = ON And 1003 = ON And 1004 = ON And 0007 = ON Or 0006 = ON And 0003 = ON Then SET 1005 = ON ( Hold ON ).
c.If 0000 = ON And 1003 = ON And 1004 = ON And 0007 = ON Or 0006 = ON And 0004 = ON Then SET 1006 = ON ( Hold ON ).
PROCESS 3 :
d.If 0000 = ON And 1003 = ON And 1006 = ON And 0004 = ON And 1008 = OFF And 1009= OFF Then 1007 = ON ( Hold ON ).
e.If 0000 = ON And 1003 = ON And 1006 = ON And 1007 = ON And 0005 = ON Or 0008 = ON And 0001 = ON Then SET 1008 = ON ( Hold ON ).
f.If 0000 = ON And 1003 = ON And 1006 = ON And 1007 = ON And 0005 = ON Or 0008 = ON And 0002 = ON Then SET 1009 = ON ( Hold ON ).
g.If 0000 = OFF Then RES 1005 = ON ( 1005 = OFF ) And RES 1006 = ON ( 1006 = OFF ) And RES 1008 = ON ( 1008 = OFF ) And RES 1009 = ON ( 1009 = OFF ).

Step 3 : Output PLC
a.If 0000 = ON And 1001 = ON Then 0500 = ON.
b.If 0000 = ON And 1007 = ON Then 0501 = ON.
c.If 0000 = ON And 1004 = ON Then 0502 = ON.
d.If 0000 = ON And 1001 = ON Or 1004 = ON Or 1007 = ON Then 0503 = ON.
e.If 0000 = ON And 1001 = ON Or 1007 = ON Then 0504= ON.
f.If 0000 = ON And 1004 = ON Then 0505 = ON.

Please Download Programming for SYSWIN :
PLC Omron Programming for Process Automation For Water Treatment


See : Process Automation For Water Treatment With PLC