Mitsubishi Electric MELSEC FX3U Programming Manual page 503

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
4) The figure below shows the data structure batch-stored in
· When the nest structure is not used
Index register
[1] ZPUSH
Z0
instruction
V0
Number of times
Z1 of batch-storage
is
D
V1
incremented by "1".
Z2
V2
[2] ZPOP
instruction
Z7
Number of times of
batch-storage
V7
is
D
decremented by
"1".
*1 Number of times of batch-storage
Related instruction
Instruction
ZPOP(FNC103)
Cautions
• When not using the nest structure, clear the number of batch-storage times
ZPUSH (FNC102) instruction.
• When using the nest structure, clear the number of batch-storage times
(FNC102) instruction the first time.
Errors
An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is
stored in D8067.
• When the range of points used after
device range (error code: K6706)
• When the number of batch-storage times
instruction is executed (error code: K6706)
· When the nest structure is used
Batch-
stored data
Index register
*1
+0 Z0
D
+1 Z0 V0
+2 V0 Z1
+3 Z1 V1
+4 V1 Z2
+5 Z2
+6 V2 Z7
V7
+15 Z7
+16 V7
[3] ZPOP instruction
Number of times of
batch-storage
D
Restores the index registers V0 to V7 and Z0 to Z7 which were batch-stored temporarily by the
ZPUSH (FNC102) instruction.
in ZPUSH (FNC102) instruction exceeds the corresponding
D
D
17 Data Transfer 2 – FNC100 to FNC109
17.1 FNC102 – ZPUSH/Batch Store of Index Register
and later.
D
[1] ZPUSH
instruction
Number of times
of batch-storage
1st nesting
: 0 → 1
Number of
D
times of
batch-
[4] ZPOP
storage
instruction
= 1
D
Number of times
of batch-storage
: → 0
D
[2] ZPUSH instruction
Number of times
of batch-storage 2nd nesting
: 1 → 2
Number of
D
times of
batch-
storage
= 2
D
: 2 → 1
Description
stores a negative value while the ZPUSH (FNC102)
Batch-
stored data
*1
+0
D
+1 Z0
+2 V0
+3 Z1
16 points
+4 V1
for 1
+5 Z2
nesting
+15 Z7
+16 V7
+17 Z0
+18 V0
+19 Z1
+20 V1
before executing
D
before executing ZPUSH
D
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