Omron CJ - INSTRUCTIONS

373
3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Symbol Math Instructions
3
*U/*UL
Function
z *U
*U(420) multiplies the binary values in Md and Mr and outputs the result to R, R+1.
z *UL
*UL(423) multiplies the unsigned binary values in Md and Md+1 and Mr and Mr+1 and outputs the
result to R, R+1, R+2, and R+3.
Example Programming
z Example in Function Block Definition
In the following example, an array variable is used to get the result from the function block as one word.
×
R+1
Md
Mr
(Unsigned binary)
(Unsigned binary)
(Unsigned binary)R
×
R + 1 RR + 3 R + 2
Md + 1 Md
Mr + 1 Mr
(Unsigned binary)
(Unsigned binary)
(Unsigned binary)
*U
D100
D110
D120
0.00
When CIO 0.00 is ON in the following example, D100
and D110 will be multiplied as 4-digit unsigned binary
values and the result will be output to D121 and D120.
*UL
D100
D110
D120
0.00
When CIO 0.00 is ON in the following example, D100, D110,
D111, and D110 will be multiplied as 8-digit unsigned binary
values and the result will be output to D123, D122, D121,
and D120.
a * b → c
*U
a
b
tmp[0]
MOV
tmp[0]
c
Function Block Variables
Multiplicand: a (data type: UINT)
Multiplier: b (data type: UINT)
Result: c (data type: UINT)
Temporary variable: tmp (data type: WORD, 2-element array)