Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur Page 339

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Ladder Logic Elements and Instructions
870 USE 101 00 V.2.2
327
Standard Ladder Logic Elements,
Continued
Standard Ladder
Logic
Instructions
The table below provides standard ladder logic instructions and their meaning.
Continued on next page
Symbol Meaning Nodes Consumed
Counter and Timer Instructions
UCTR Counts up from 0 to a preset value 2
DCTR Counts down from a preset value to 0 2
T1.0 Timer that increments in seconds 2
T0.1 Timer that increments in tenths of a second 2
T.01 Timer that increments in hundredths of a second 2
T1MS A timer that increments in milliseconds 3
Integer Math Instructions
ADD Adds top node value to middle node value 3
SUB Subtracts middle node value from top node value 3
MUL Multiplies top node value by middle node value 3
DIV Divides top node value by middle node value 3
DX Move Instructions
RT Moves register values to a table 3
TR Moves specified table values to a register 3
TT Moves a specified set of values from one table to
another table
3
BLKM Moves a specified block of data 3
FIN Specifies first-entry in a FIFO queue 3
FOUT Specifies first-entry out of a FIFO queue 3
SRCH Performs a table search 3
STAT CROSS REF 1
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