Mitsubishi MELSEC Q Series Programming Manual page 238

B+(P), B-(P)
When three data are set (
B+, B-
B+P,B-P
Setting
Data
S1
S2
D
Function
B+
(1) Adds the BCD 4-digit data designated by
stores the result of the addition at the device designated by
(2) 0 to 9999 (BCD 4 digits) can be assigned to
(3) If the result of the addition operation exceeds 9999, the higher bits are ignored.
The carry flag in this case does not go ON.
B-
(1) Subtracts the BCD 4-digit data designated by
and stores the result of the subtraction at the device designated by
(2) 0 to 9999 (BCD 4 digits) can be assigned to
6-36
+ ,
S1 S2 D
Command
Command
: Data to be added to/subtracted from or head number of the devices where the data to be added
S1
to/subtracted from is stored (BCD 4 digits)
: Data for adding/subtracting or head number of the devices where the data for adding/subtracting is stored
S2
(BCD 4 digits)
: Head number of the devices where the addition/subtraction operation result will be stored (BCD 4 digits)
D
Internal Devices
R, ZR
Bit Word
S1
5 6 7 8 1
6 4 3 2
3
S1
0 6 7 8 0
- )
S1 S2 D
indicates an instruction symbol of
S1
P
S1
J \
U \G
Bit Word
and the BCD 4-digit data designated by
S1
.
D
D
S2
2 3 4 6 9
, and .
S1 S2 D
5 8 3 0 0
and the BCD 4-digit data designated by
S1
S2 D
2 3 4 0 4
Digits exceeding the designated
number of digits are assumed to be 0.
, and .
S1 S2 D
.
B+/B-
S2 D
D
S2
Constants
Zn Other
K, H
––
––
–– ––
, and
S2
1 2
1 5
S2
.
D
4 4
,