Summary of Program Control Keywords eV+Language User's Guide, v2.x, 18318-000 Rev A Page 77 Keyword Type Function Function GOTO Program Instruction Perform an unconditional branch to the program step identified by the given label. HALT Program Instruction Stop program execution and do not allow the program to be resumed. IF...GOTO Program Instruction Branch to the specified label if the value of a logical expression is TRUE (nonzero). IF...THEN Program Instruction Conditionally execute a group of instructions (or one of two groups) depending on the result of a logical expression. LOCK Program Instruction Set the program reaction lock-out priority to the value given.
MCS Program Instruction Invoke a monitor command from a control program. NEXT Program Instruction Break a FOR, DO, or WHILE structure and start the next iteration of the control structure. PAUSE Program Instruction Stop program execution but allow the program to be resumed. PRIORITY Real- Valued Function Return the current reaction lock-out priority for the program. REACT REACTI Program Instruction Initiate continuous monitoring of a specified digital signal and automatically trigger a subroutine call if the signal transitions properly. REACTE Program Instruction Initiate the monitoring of errors that occur during execution of the current program task.
RELEASE Program Instruction Allow the next available program task to run. RETURN Program Terminate execution of the current subroutine and