Reading Newest Data From Data Tables (Fpop(P)) - Mitsubishi MELSEC Q Series Programming Manual

FPOP(P)
7.7.3

Reading newest data from data tables (FPOP(P))

FPOP(P)
FPOP
FPOPP
Setting
Data
S
D
Function
(1) Stores the newest data input to the table designated by
After the execution of the FPOP instruction, the device storing the data read by the FPOP
instruction is reset to 0.
(2) Perform interlock to avoid executing the FPOP instruction when the value stored at
[See Program Example (1)]
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
• The FPOP instruction was executed when the value of
• The data table range exceeded the corresponding device range at execution of the FPOP
instruction.
7-154
Command
Command
: Head number of the devices where the data read from the table will be stored (BIN 16 bits)
S
: Head number of the table (BIN 16 bits)
D
Internal Devices
R, ZR
Bit Word
––
Data table
D
7 Number of stored
data blocks
D
+1 1234
D +2 5432
-1000
+7 -4321
D
0
High
Basic
performance
FPOP
FPOPP
J \
U \G
Bit Word
––
at the device designated by
D
Data table
D
6
+1
D 1234
+2
D 5432
-1000
D
+7
0
0
S
-4321
was 0.
D
Process
Redundant Universal LCPU
S D
D
S
Zn Constants Other
––
––
S
Stores 0.
is 0.
D
(Error code: 4100)
(Error code: 4101)
.