xLadder user manual-V2.0.0.6

6.15 Table

6.15.1 Last in first out

Input/output Operand

Data type

TBL

VW, IW, QW, MW, SW, SMW, LW, T, C, *VD, *LD, *AC

word

DATA

VW, IW, QW, MW, SW, SMW, LW, AC, T, C, AQW, *VD, *LD, *AC

integer

LIFO:Instruction moves the latest (or last) entry in the table

to the output memory address.Remove the last entry in

the table (TBL) and move the value to the location

specified by DATA.Each time the instruction is executed,the

number of entries in the table reduces 1.

error conditions:

0006 Indirect address

0091 Operand range

SM1.5 Empty list

Special memory bit:

SM1.5 Empty list

Table Format:

VW200

The maximum number of entries

VW202

Entry count

W204

Data 0

VW206

Data 1

VW208

Data 2

..........

.........

189

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