Extracting String Data From The Left - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Extracting string data from the left

LEFT(P)
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
These instructions extract (n) characters of data from the left of the string data, and store the extracted data in the device
number specified by (d) and later.
Ladder
(s) (d) (n)
*1
FBD/LD
EN ENO
s d
n
*1 The LEFT instruction does not support the ST and FBD/LD. Use the standard function, LEFT.
Page 1946 LEFT(_E), RIGHT(_E)
■Execution condition
Instruction
LEFT
LEFTP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Character string or the start device containing the character
string
(d) Start device for storing (n) characters of character string
extracted from the left of the data in the device specified by (s)
(n) Number of characters to be extracted
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, J\
SM, F, B, SB,
FX, FY
 
(s)
(d)  
 
(n)
RnSFCPU RnSFCPU
(Standard) (Safety)
Execution condition
Word
T, ST, C, D, W, U\G, J\,
SD, SW, FD, R, U3E\(H)G
ZR, RD
 
 
 
*1
ST
ENO:=LEFTP(EN,s,n,d);
Range Data type

String
 String
1 to 16383 16-bit unsigned binary

Bit

Bit
Double word Indirect
specification
Z LT, LST, LZ
LC
   
   
   
7 APPLICATION INSTRUCTIONS
7.8 String Processing Instructions
7
Data type (label)
ANYSTRING_SINGLE
ANYSTRING_SINGLE
ANY16
BOOL
BOOL
Constant Others
K, H E $
   
   
   
691