GSK 218M, Connection And Plc Manual

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GSK218M CNC System Connection and PLC Manual
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3.When an operation error occurs, the cause can be found easily.
Three major structured programming capabilities are supported:
1 ） Subprogram
A subprogram can consist of a ladder sequence as the processing unit.
2) Nesting
Ladder subprograms established are combined to structure a ladder sequence.
3) Conditional branch
The main program loops and checks whether conditions are satisfied. If a condition is satisfied, the
corresponding subprogram is executed. If the condition is not satisfied, the subprogram is skipped.
Job A
Job B
Job A1
Job An
Job A12
Job A11
Main program Subprogram 2 Subprogram 1
State 1
State 2
Process 1
Process 2
Process 12
Process 11
Main program
Subprogram 1
Process 13
A C
A
B
C
Job A
Job B