Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1373

■Input data
Operand: (s1)
Device Symbol Name
+0 n Number of
inputs
+1 E1 Input value 1
+2
+3 E2 Input value 2
+4
  
+2n-1 En Input value n
+2n
■Block memory
Operand: (d1)
Device Symbol Name
+0 BW Output value
+1
■Operation constant
Operand: (s2)
Device Symbol Name
+0 n Number of
coefficients
+1 K1 Coefficient 1
+2
+3 K2 Coefficient 2
+4
  
+2n-1 Kn Coefficient n
+2n
+2n+1 B Bias
+2n+2
Processing details
This instruction performs subtraction of the data of input values (E1 to En) with a coefficient.
The S.SUB instruction performs the following operations.
BW=(K1E1)-(K2E2)...-(KnEn)+B
When the number of inputs (n) is 0, the output value (BW) becomes bias (B).
Operation error
Error code
3402H
3403H
3405H
Recommended range
0 to 5
-999999 to 999999
Recommended range
-999999 to 999999
Recommended range
0 to 5
-999999 to 999999
-999999 to 999999
Error content
The value specified by (s1) or (s2) is a subnormal number or NaN (not a number).
An overflow has occurred.
The number of inputs (n) is less than 0 or greater than 5.
The number of coefficients (n) is less than 0 or greater than 5.
Data type Standard
value

16-bit unsigned
binary
Single-precision 
real number
Data type Standard
value

Single-precision
real number
Data type Standard
value
16-bit unsigned 0
binary
Single-precision 1.0
real number
Single-precision 0.0
real number
11 PROCESS CONTROL INSTRUCTIONS
11.5 Arithmetic Operation Instructions
Set by
User
User
11
Set by
System
Set by
User
User
User
1371