6.15.5 Table Find
Input/output Operand
Data type
TBL
VW, IW, QW, MW, SW, SMW, LW, T, C, *VD, *LD, *AC
word
PTN
VW, IW, QW, MW, SW, SMW, AIW, LW, T, C, AC,constant, *VD, *LD, *AC integer
INDX
VW, IW, QW, MW, SW, SMW, LW, T, C, AC, *VD, *LD, *AC
word
Table Find instruction: The instruction
searches the same data as “ PTN ” in the
table. “ Table Find ” starts form the
entry specified by INDX.If a matching
entry is found, the INDX points to the
entry in the table.To find the next
matching entry,you must add 1 to the
INDX before using the “ Table Find ”
instruction.If matching entry is not
found, the value of INDX is equal to the number of entries.
For example:
PLC program ：
196
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