
8.2 Troubleshooting
8.2.4 Troubleshooting System Errors
8-20
* 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.
Table 8.3 Ladder Program User Operation Error Codes 1
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
Stores 0.0.
0035H
Real number operation - stack 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.
Table 8.4 Ladder Program User Operation Error Codes 2
Error Code
Error Contents
User
System Default
Integer - Real
Number
Operations
1000H
Index error within drawing
×
Execute again with i, j = 0.
2000H
Index error within function
×
Execute again with i, j = 0.
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
Содержание MP2300S
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