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546
8 APPLICATION INSTRUCTION
8.11 Index Register Operation Instruction
8.11
Index Register Operation Instruction
Saving all data of the index register
ZPUSH(P)
These instructions save the contents of index registers and long index registers in the devices specified by (d) and later.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Processing details
• These instructions save the contents of index registers and long index registers in the devices specified by (d) and later.
• When the contents of index registers are saved, "1" is added to (d).
• These instructions save the contents of index registers and long index registers for 24 words regardless of the assignment
of the number of the registers. Thus, when the number of index registers is 0, the contents of long index registers are saved
for 12 points.
• The ZPOP(P) instructions are used to return the data. The ZPUSH(P) and ZPOP(P) instructions are used in pairs, and by
using the same device in (d) a nesting structure can be adopted. (
Page 548 Returning all data of the index register)
• When a nesting structure is adopted, the areas to be used are added to (d) and later every time the ZPUSH(P) instructions
are used. Check the number of index registers and long index registers by SD300 and SD302, and secure the areas for the
number of instructions to be used in advance.
Ladder diagram
Structured text
ENO:=ZPUSH(EN,d);
ENO:=ZPUSHP(EN,d);
FBD/LD
Operand
Description
Range
Data type
Data type (label)
(d)
Head device number for saving the data of index registers and
long index registers
16-bit signed binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(d)
(d)
EN
ENO
d
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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