Mitsubishi MELSEC Q Series Programming Manual page 257

(2) Values which can be designated at
-126
0, 2 | Designated value (stored value) | < 2
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
• The value of the specified device or the result of multiplication is not within the following
range:
-126
0, 2
(For the Basic model QCPU, High Performance model QCPU, Process CPU, Redundant
CPU)
• The value of the designated device is
(For the Basic model QCPU, High Performance model QCPU, Process CPU, Redundant
CPU)
*2: There are CPU modules that will not result in an operation error if -0 is specified.
Refer to Section 3.2.4 for details.
• The result of multiplication and division exceeds the following range.
(The overflow occurs.)(For the Universal model QCPU, LCPU)
128
2 | Result of addition and subtraction |
• The value of the specified device is
(For the Universal model QCPU, LCPU)
Program Example
(1) The following program multiplies the 32-bit floating decimal point real numbers at D3 and D4
and the 32-bit floating decimal point real numbers at D10 and D11, and stores the result at
R0 and R1.
[Ladder Mode]
[Operation]
D4
36.7896
(2) The following program divides the 32-bit floating decimal point real numbers at D10 and D11
by the 32-bit floating decimal point real numbers at D20 and D21, and stores the result at
D30 and D31.
[Ladder Mode]
[Operation]
D11 D10
52171.39
S1
| Contents of designated device | < 2
D3 D11 D10
11.9278
D21 D20
9.73521
, and and which can be stored, are as follows:
S2 D
128
128
*2
0.
0, unnormalized number, nonnumeric, and ±
[List Mode]
Step Instruction
R1 R0
438.8190
[List Mode]
Instruction
Step
D31 D30
5359.041
E*(P),E/(P)
(Error code: 4100)
(Error code: 4100)
(Error code: 4141)
.
(Error code: 4140)
Device
Device
6-55
1
2
3
4
4
6
7
8