Mitsubishi MELSEC-Q/L Programming Manual page 424

FPOP, FPOPP
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.
Error
code
4100
The FPOP instruction was executed when the value of
The data table range exceeded the range of the corresponding device
4101
at the execution of the FPOP instruction.
Program Example
(1) The following program stores the data stored last in the data table R0 to R7 at D0 when X10 is turned ON.
[Ladder Mode]
[Operation]
Data table
R0 5
R1 -123
R2 1400
R3 1234
R4 5432
R5 3000
R6 0
R7 0
(2) The following program stores the data at D0 in the data table D38 to D43 when X1C is turned ON, and when the number
of data stores in the table reaches 5, turns X1D ON, and stores the data stored last in the data table to R0.
[Ladder Mode]
[Operation]
Data table
D38 4
D39 1234
D40 55
Data table
D41 1000
range
D42 123
D43 0
D44 0
D45 0
D0 4444
422
Error details
was 0.
D
[List Mode]
Step
Data table
R0 4
R1 -123
R2 1400
R3 1234
R4 5432
R5 0
R6 0
R7 0
D0 3000
[List Mode]
Step
Data table
D38 5
D39 1234
D40 55
X1C:ON X1D:ON
D41 1000
D42 123
D43 4444
D44 0
D45 0
Executes the FPOPP
instruction when D38=5.
Q00J/
Q00/ QnH QnPH QnPRH
Q01
Instruction Device
Stores 0.
Instruction Device
Data table
D38 4
Since the number of
D39 1234
stored data block is 4, the
D40 55
FIFWP instruction is
D41 1000
executed when XIC turns ON.
D42 123
D43 0
D44 0
D45 0
R0 4444
QnU LCPU