Yaskawa SMC–4000 - Manual (Page 326)

316
SMC–4000 User Manual
Command Format - IF, ELSE and ENDIF
Example:
Format: Meaning
IF <condition> Execute commands proceeding IF command (up to ELSE command) if
conditional statement(s) is true, otherwise continue executing at ENDIF
command or optional ELSE command.
ELSE Optional command. Allows for commands to be executed when argument
of IF command evaluates not true. Can only be used with IF command.
ENDIF Command to end IF conditional statement. Program must have an ENDIF
command for every IF command.
#TEST Begin Main Program "TEST"
II,,3 Enable interrupts on input 1 and input 2
MG "WAITING FOR INPUT 1, INPUT 2" Output message
#LOOP Label to be used for endless loop
JP #LOOP Endless loop
EN End of main program
#ININT Input Interrupt Subroutine
IF (@IN[1]=0) IF conditional statement based on input 1
IF (@IN[2]=0)
2 nd IF executed if 1 st IF conditional true
MG "INPUT 1 AND INPUT 2 ARE
ACTIVE"
Message executed if 2 nd IF is true
ELSE
ELSE command for 2 nd IF statement
MG "ONLY INPUT 1 IS ACTIVE Message executed if 2 nd IF is false
ENDIF
End of 2
nd
conditional statement
ELSE
ELSE command for 1 st IF statement
MG"ONLY INPUT 2 IS ACTIVE" Message executed if 1 st IF statement
ENDIF
End of 1 st conditional statement
#WAIT Label to be used for a loop
JP#WAIT,(@IN[1]=0) | (@IN[2]=0) Loop until Input 1& 2 are not active
RI0 End Input Interrupt Routine without restoring
trippoints