Mitsubishi Electronics Q172CPU(N) Home Security System User Manual


 
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7 OPERATION CONTROL PROGRAMS
F/FS G
7.5.7 Sign inversion (Complement of 2) :
Format (S) Number of basic steps 2
[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
(S) —
— —
: Usable
[Setting data]
Setting data Description Data type of result
(S) Data whose sign will be inverted Data type of (S)
[Functions]
(1) The sign-inverted value of the data specified with (S) is found.
[Errors]
(1) An operation error will occur if:
• (S) is an indirectly specified device and its device No. is outside the range.
[Program examples]
(1) Program which substitutes the sign-inverted value of #0 to D0
D0 = #0
-123
#0
123
D0