211
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 outputs the result to R0 and R1.
[Ladder Mode]
[List Mode]
[Operation]
(2) The following programs subtracts the 32-bit floating decimal point type real numbers at D20 and D21 from the 32-bit
floating decimal point type real numbers at D11 and D10, and stores the result at D30 and D31.
[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 is 0, unnormalized number, nonnumeric, and ±
.
––
––
––
––
Step
Instruction
Device
D4
5961.437
D3
D11
12003.200
D10
R1
17964.637
R0
Step
Instruction
Device
D11
97365.203
D10
D21
76059.797
D20
D31
21305.406
D30