Mitsubishi Electric MELSEC iQ-R Series - Variation Rate Limiter 2

1314
11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
Variation rate limiter 2
S.VLMT2
This instruction holds the last value and outputs it when the variation rate of input (E1) exceeds the limit.
■Execution condition
Setting data
■Description, range, data type
■Applicable devices
■Input data
Ladder ST
ENO:=S_VLMT2(EN,s1,s2,s3,d1);
FBD/LD
Instruction Execution condition
S.VLMT2
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) Operation constant start device Refer to "Operation constant". Word
(s3) Empty string specification
(Specify "" in ladder. Specify '' in ST or FBD/LD.)
 String
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)         
(s3)   
Operand: (s1)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
E1 Input value -999999 to 999999 [%] Single-precision
real number
 User
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(s1) (d1) (s2) (s3)
EN ENO
d1s1
s2
s3