613
Table Data Processing Instructions Section 3-16
Operand Specifications
Description SDEL(642) deletes the data at the specified location in the stack, outputs that
data to the specified destination word, and shifts the remaining the data in the
stack upward. At the same time, SDEL(642) decrements the stack pointer
(TB+3 and TB+2) by 1. The location of the desired address is calculated by
subtracting the offset value in C from the stack pointer.
SDEL(642) can be used to delete the data for an item that is rejected from the
items on a conveyor. The position of the deletion point is simply the number of
items back (the offset value) from the most recent item added to the conveyor.
Area TB C D
CIO Area CIO 0 to CIO 6143
Work Area W0 to W511
Holding Bit Area H0 to H511
Auxiliary Bit Area A448 to A959 A0 to A959 A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D0 to D32767
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants --- #0001 to #FFFB
(Hexadecimal)
---
Data Registers --- DR0 to DR15
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
A
A
B
C
n
m
TB
TB+1
TB+2
TB+3
TB+4
D
m
n
C
B
C
n
m-1
TB
TB+1
TB+2
TB+3
TB+4
m
n
Stack Stack
PLC memory
address
PLC memory
address
Pointer
Pointer
Offset value
Last word
in stack
Last word
in stack
Deletes the specified
word and decrements
the stack pointer.
The stack pointer is
decremented by 1.
The address of the desired word
is calculated by subtracting the
offset value from the stack
pointer address.
To Next Page
Loading...
