209
E+, E+P, E-, E-P
1
2
3
4
6
7
8
6.2
A
rithmetic Opera
tion In
str
uctions
6.2.9
E
+
, E
+
P, E-, E-P
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.
Program Example
(1) The following program adds the 32-bit floating decimal point type real numbers at D3 and D4 and the 32-bit floating
decimal point type real numbers at D10 and D11 when X20 goes ON, and stores the result at D3 and D4.
[Ladder Mode]
[List Mode]
[Operation]
(2) The following program subtracts the 32-bit floating decimal point type real number at D10 and D11 from the 32-bit
floating decimal point type real numbers at D20 and D21, and stores the result of the subtraction at D20 and D21.
[Ladder Mode]
[List Mode]
[Operation]
Error
code
Error details
Q00J/
Q00/
Q01
QnH
QnPH QnPRH
QnU
LCPU
4100
The specified device value is not within the following range:
0, 2
-126
| Specified device value | < 2
128
The specified device value is
-
0.
––
––
4141
The operation result exceeds the following range (when an overflow
occurs):
2
128
| Operation result |
4140
The specified device value is 0, unnormalized number, nonnumeric,
and ±
.
––
––
––
––
Step
Instruction
Device
D4
5961.437
D3
D11
12003.200
D10
D4
17964.637
D3
Step
Instruction
Device
D21
97365.203
D20
D11
76059.797
D10
D21
21305.406
D20