DAPL Processing Elements

DAPL includes over 100 built-in commands in the following categories.

Pipes, constants, variables, and vectors can be defined for WORD, LONG, FLOAT or DOUBLE data types.

CONSTANT l = n: Creates a label l that can thereafter be used in place of the number n. A constant may be changed with the LET command when no procedure is running.
VARIABLE l = n: Creates a variable labeled l initialized with the number n. If n is omitted, zero is assumed.
PIPE l t: Creates a pipe with label l for transferring data between tasks. The default type t is WORD.
TRIGGER name mode properties: Define software-controlled triggering with holdoff, automatic cycle, asynchronous arming, and transient supression properties. A trigger provides a means for one processing task to signal another task when special processing is needed.
STRING l = a: Creates a string constant labeled l that can thereafter be used in place of the quote-delimited string a. Strings may be used in the FORMAT command.
VECTOR l = c1,c2,...,cn: Creates a vector labeled l that can thereafter be used in place of the list of n constants specified.

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