Mitsubishi MELSEC Q Series Programming Manual page 665

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.
• Operation results are outside the range shown below:
-126
2 | operation result |
(For a High Performance model QCPU)
-126
2 | operation result |
(For a Basic model QCPU/Process CPU/Redundant CPU)
• The value of the specified device is
(For the Basic model QCPU, High Performance model QCPU, Process CPU, Redundant
CPU)
*3: There are CPU modules that will not result in an operation error if
• The result exceeds the following range (Operation results in an overflow)
(For the Universal model QCPU, LCPU)
128
2 | Operation result |
• The value of the specified device is
(For the Universal model QCPU, LCPU)
128
2
128
2
*3
0.
0, unnormalized number, nonnumeric, and ±
EXP(P)
(Error code: 4100)
(Error code: 4100)
0 is specified. For details, refer to 3.2.4.
(Error code: 4141)
(Error code: 4140)
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