MITSUBISHI ELECTRIC 700 Series User Manual
Page 152
147
3
Functions
(1) Performs the subtraction of BIN data specifies at
and the BIN data specified
at
, and stores the
subtraction
result into the device specified at
.
(2) Performs the subtraction of BIN data specified at
and the BIN data specified
at
, and stores the subtraction result into the device specified at
.
(3) At
,
,
and
, -32768 to 32767 (BIN 16 bits) can be specified.
(4) The judgment of whether the data of
,
,
and
are positive or negative
is made at the highest bit (b15).
0 ...... Positive
1 ...... Negative
(5) When the 0th bit has underflown, the carry flag does not turn on.
When the 15th bit has overflown, the carry flag does not turn on.
-
D
S
D
S1
S2
D1
S
S1 S2
D
S S1 S2
D