Program Table (L9_MRTM)
(Original Document)
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Introduction
The L9_MRTM function block operates using 2 user supplied tables which reside in the PLC memory.
They are the program table and the control table.
Program Table
The program table consists of a header and a series of instruction blocks.
Word
Description
%MWxxx
start of transfer
%MWxxx+1
end of table
%MWxxx+2
reserved for future use
Instruction Block
The words transferred are called an instruction block.
They are fixed length, which is defined by the LENGTH parameter in the bottom node of the function block.
The words have the following form:
Word
Description
%MWxxx
command word
%MWxxx+1
word 1
%MWxxx+2
word 2
...
...
%MWxxx+(n-1
word n
Where n is the number of words (in a given block of contiguous words) transferred by the L9_MRTM function block.