Implement PLC ladder logic for automatic surface grinding process. Grinding process is an example PLC Program using RSLOGIX 500 software.
Latching rung to operate the system through Master Start and Stop PB.
To save the status of Job in sensor and Job Out sensor, Memory coil is used.
Conveyor Motor turned ON when All the sensors are in Home condition.
Jump Instruction is used to skip the rough grinding process in any case.
When Rough sensor detects object, Conveyor motor should turn OFF and Rough grinding motor will turn ON for 20 sec. After 20 sec, Conveyor motor should turn on automatically.
Jump Instruction is used to skip the Fine grinding process in any case.
When Fine sensor detects object, Conveyor motor should turn OFF and Fine grinding motor will turn ON for 20 sec. After 20 sec, Conveyor motor should turn on automatically
Program runs continuously until STOP PB is pressed.
Note: In this program, JUMP function is used to skip the rough grinding process and fine grinding process because some objects need only rough or fine grinding or in some maintenance case jump function is used to skip the process.
The above explained Surface grinding process is for example only.
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