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7 OPERATION CONTROL PROGRAMS
F/FS G
7.4.2 Addition : +
Format (S1)+(S2) Number of basic steps 4
[Usable data]
Usable Data
Word device Constant
Setting
data
Bit device
16-bit
integer
type
32-bit
integer
type (L)
64-bit
floating
point
type (F)
Coasting
timer
16-bit
integer
type (K/H)
32-bit
integer type
(K/H, L)
64-bit
floating
point
type (K)
Calculation
expression
Bit
conditional
expression
Comparison
conditional
expression
(S1) —
— —
(S2) —
— —
: Usable
[Setting data]
Setting data Description Data type of result
(S1) Augend data
(S2) Addend data
Data type of (S1) or (S2)
which is greater
[Functions]
(1) The data specified with (S2) is added to the data specified with (S1).
(2) When (S1) and (S2) differ in data type, the data of the smaller data type is
converted into that of the greater type before operation is performed.
[Errors]
(1) An operation error will occur if:
• (S1) or (S2) is an indirectly specified device and its device No. is outside the
range.
[Program examples]
(1) Program which substitutes the result of adding K123 and #0 to W0
W0 = K123 + #0
(2) Program which substitutes the result of adding #0F and #10 to D0L
D0L = #0F + #10
12468.789
+
123
D1
12468
D0
#3 #2
12345.789
#1 #0
#10
D0L
The 64-bit floating-point type data are used for addition, and the result is
converted into the 32-bit integer type and then substituted.