6
Maintenance and Inspection
6.4.5
System Register Configuration and Error Status
6-18
[ c ] Ladder Program User Operation Error Codes 1
* Yes: Can be set to value other than system default from the user program.
No: The system default cannot be changed from the user program.
[ d ] Ladder Program User Operation Error Codes 2
Error
Code
Error Contents User* System Default Value
Integer
Operations
0001H
Integer operation - underflow
Yes
−
32768
［−
32768
］
0002H
Integer operation - overflow
Yes
32767
［
32767
］
0003H
Integer operation - division error
Yes
The A register remains the same.
0009H
Double-length integer operation - underflow
Yes
−
2147483648
［−
2147483648
］
000AH
Double-length integer operation - overflow
Yes
2147483647
［
2147483647
］
000BH
Double-length integer operation - division error
Yes
The A register remains the same.
010
H
Operation error drawing - integer operation error (
= 1
to B)
No
Default indicated above.
Real
Number
Operation
0010H
Integer storage - non-numeric error
Yes
Store not executed. [00000]
0011H
Integer storage - underflow
Yes
Store not executed. [
−
32768]
0012H
Integer storage - overflow
Yes
Store not executed. [+32767]
0021H
Real number storage - underflow
Yes
Store not executed. [
−
1.0E+38]
0022H
Real number storage - overflow
Yes
Store not executed. [1.0E+38]
0023H
Real number operation - division-by-zero error
Yes
Operation not executed.
The F register remains the same.
0030H
Real number operation - invalid operation (non-numeric)
No
Operation not executed.
0031H
Real number operation - exponent underflow
No
0.0
0032H
Real number operation - exponent overflow
No
Maximum value
0033H
Real number operation - division error (non-numeric 0/0)
No
Operation not executed.
0034H
Real number storage - exponent underflow
No
S
tores 0.0.
0035H
Real number operation - stac
k error
0040H
to
0059H
Standard System Functions
Real number operation errors
No
Interrupt operation and output = 0.0
0040H: SQRT 0041H: SIN 0042H: COS 0043H: TAN
0044H: ASIN 0045H: ACOS 0046H: ATAN 0047H: EXP
0048H: LN 0049H: LOG 004AH: DZA 004BH: DZB
004CH: LIM 004DH: PI 004EH: PD 004FH: PID
0050H: LAG 0051H: LLAG 0052H: FGN 0053H: IFGN
0054H: LAU 0055H: SLAU 0056H: REM 0057H: RCHK
0058H: BSRCH 0059H: SQRT
1000H or 2000H is added for an index error.
Error Code Error Contents User System Default
Integer - Real
Number
Operations
1000H Index error within drawing
×
Execute again when corresponding to
i,j = 0.
The i and j registers remain the same.
2000H Index error within function
×
Execute again when corresponding to
i,j = 0.
The i and j registers remain the same.
Integer
Operation
060H
to
077H
(
= 1,2)
Integer system functions
Index error
×
Operation stopped and output = input.
The A register remains the same.
06DH: PI
06DH: PD
06FH: PID
070H: LAG
071H: LLAG
072H: FGN
073H: IFGN
074H: LAU
075H: SLAU
076H: FGN
077H: IFGN
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