Mitsubishi Electric MELSEC iQ-R Series - Page 1293

11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
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11
■Input data
■Block memory
■Operation constant
■Execution cycle (T)
Set the execution cycle (T) in SD816 and SD817 in single-precision real number.
Processing details
This instruction performs integral operation according to the operation control signal (e1).
The S.I instruction performs the following operations.
E1: Input value of this time, T: Execution cycle, Yn: Output value of this time, Yn-1: Last output value
Operation error
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
+2 e1 Operation
control signal
0: Integration operation performed
1: Integration operation not performed
16-bit unsigned
binary
 User
Operand: (d1)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
BW Output value -999999 to 999999 Single-precision
real number
 System
Operand: (s2)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
T Integral time 0 to 999999 [s] Single-precision
real number
1.0 User
+2
+3
Ys Output initial
value
-999999 to 999999 Single-precision
real number
0.0 User
e1 T BW
0 0
00 BW=Yn-1
1- BW=Ys
Error code
(SD0)
Description
3400H An invalid operation (such as division by zero) is performed.
3402H The value specified by (s1), (d1), or (s2) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
b15 b0
...
e1
E1
t
t
1
TS
BW
BW=Y
n
=
T
© T
×E1+Y
n-1