The correction is terminated by the instruction “AE;”. TML blocks can be tested by checking the modified variable, interpreting the system error messages or by using the “TANZ” and “TUEB” blocks (see Chapter 9). The TML program should be terminated with ”AE;” after the input or output of a SET instruction so that all SET settings are calculated again. Otherwise it may happen that some parameter descriptions on the following pages are incorrect.
It is important that the block is not executed during correction (i.e. input of EI,..; ER,..; or LS,..;) since it is not available for the execution system during this time. The execution system recognizes that the TML block is missing and issues the following message, for example
TML instruction set
Explanation of the abbreviations used below: elna: Element name in the block list index: Index of a field element with index = const, LAx, GAx, .elna .elna can be used as an index in abbreviated notation (pointer must first be set to the function block (SET type.bname;)) name: Name of a program Up to 4 alphanumeric characters, starting with a letter bname: Block name type: Type name instructions: Underlined specifications can be omitted or added ---: Further language elements must be added to the notation at the marked position
Five different block pointers
(= pointer to the data block start) can be distinguished, namely pointers to the current – Function block (data record) – GA block – GB block – GM block – GT block An address setting must be made before the data of the mentioned blocks can be processed. Address setting can be made – directly by completely specifying a data element
– NRPL contains the group display/location no.
– NRGP contains the internal representation of the group display/location no.
– STAT contains the status word
– AT contains the process–related name. The penultimate parameter in the block list must be STAT, and the last data element AT, i.e. the data element with the highest element number
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