Number Of Inputs and Output PLC applied :
1. Number Of Inputs PLC is 7 Input :
--- 1 Unit Input for Limit Feeder Reverse
--- 1 Unit Input for Limit Feeder Forward
--- 1 Unit Input for Limit Lifter Lower
--- 1 Unit Input for Limit Lifter Middle
--- 1 Unit Input for Limit Lifter Upper
--- 1 Unit Input for Switch Start. It's Functions to Start Process
--- 1 Unit Input for Push Button RESET. It's Functions to ORIGIN Proses
--- Total Number Of Inputs PLC is Minimum 7 Input Unit
2. Number Of Output PLC is 4 Output :
--- 1 Unit Output for Electrical Solenoid. It's Functions to Moves Feeder Forward
--- 1 Unit Output for Electrical Solenoid. It's Functions to Moves Feeder Reverse
--- 1 Unit Output for Electrical Solenoid Type Center Closed. It's Functions to Moves Lifter DOWN
--- 1 Unit Output for Electrical Solenoid Type Center Closed. It's Functions to Moves Lifter UP
--- Total Number Of Outputs PLC is Minimum 4 Output Unit
Sequence PLC Programming for Packing Machine :
Step 1 : ( Feeder Forward to 1 )
If Feeder REV Limit = ON And Lifter UP Limit = ON And Switch Start = ON Then Cylindrical Feeder Forward = ON.
Step 2 :
1. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Feeder Reverse = ON.
2.a. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Lifter DOWN = ON.
2.b. If Lifter MID Limit = ON Then Cylindrical Lifter DOWN = OFF.
Step 3 : ( Feeder Forward to 2 )
If Feeder REV Limit = ON And Lifter MID Limit = ON Then Cylindrical Feeder Forward = ON.
Step 4 :
1. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Feeder Reverse = ON.
2.a. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Lifter DOWN = ON.
2.b. If Lifter LOW Limit = ON Then Cylindrical Lifter DOWN = OFF.
Step 5 : ( Feeder Forward to 3 )
If Feeder REV Limit = ON And Lifter MID Limit = ON Then Cylindrical Feeder Forward = ON.
Step 6 :
1. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Feeder Reverse = ON.
2.a. If Cylindrical Feeder Forward = ON And Feeder FWD Limit = ON Then Cylindrical Lifter UP = ON.
2.b. If Lifter UP Limit = ON Then Cylindrical Lifter UP = OFF.
Can You make Program Ladder PLC ?
If Can't :
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