Mitsubishi Electric MELSEC iQ-R Series - Data Table Operation Instructions; Reading the Oldest Data from the Data Table

7 APPLICATION INSTRUCTIONS
7.5 Data Table Operation Instructions
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7
7.5 Data Table Operation Instructions
Reading the oldest data from the data table
FIFR(P)
These instructions store the data first stored in the table in the specified device.
■Execution condition
Setting data
■Description, range, data type
*1 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
■Applicable devices
Ladder ST
ENO:=FIFR(EN,s,d);
ENO:=FIFRP(EN,s,d);
FBD/LD
Instruction Execution condition
FIFR
FIFRP
Operand Description Range Data type Data type (label)
(s) Device for storing the data read from the table  16-bit signed binary ANY16
(d) Start device of table  Word ANY16
*1
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,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(s)         
(d)         
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(s) (d)
EN ENO
ds