Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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11 PROCESS CONTROL INSTRUCTIONS
11.2 I/O Control Instructions
1217
11
Time proportioning
S.DUTY
This instruction outputs ON and OFF by changing the ON/OFF ratio in a given cycle in proportion to the input data (0 to
100%).
■
Execution condition
Setting data
■
Description, range, data type
■
Applicable devices
■
Input data
Ladder ST
ENO:=S_DUTY(EN,s1,s2,d1,d2);
FBD/LD
Instruction Execution condition
S.DUTY
Operand Description Range Data type
(s1) Input data start device Refer to "Input data". Single-precision real
number
(d1) Block memory start device Refer to "Block memory". Word
(s2) Empty string specification
(Specify "" in ladder. Specify '' in ST or FBD/LD.)  String
(d2) Loop tag memory start device Refer to "Loop tag memory". Word
EN Execution condition

Bit
ENO Execution result

Bit
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, R, ZR,
RD U  \G  , J  \  ,
U3E  \(H)G 
Z LT, LST,
LC LZ K, H E $
(s1)            
(d1)
           
(s2)
           
(d2)
           
Operand: (s1)
Position Symbol Name Recommended range Data type Standard
value Set by
+0
+1 E1 Input value
(

MV)
-999999 to 999999 [%] Single-precision
real number

User
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(s1) (d1) (s2) (d2)
EN ENO
d1
d2
s1
s2