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1 About the Script Function
20-4
WindO/I-NV4 User’s Manual
1.4 Script Error
This section describes the types, cause, and information of script errors.
●
Error information
Script error information is stored in the following locations. An error message is displayed on the screen when a script
error has occurred.
●
Types and causes of script errors
Script will stop running when an error occurs.
Category Storage location Stored value
Existence of a script error
Bit 10 of the System Area address
2
0 No error
1 Error
Script ID of the script with an error HMI Special Data Register LSD52
1 to
32,000
Script ID
Types of script errors HMI Special Data Register LSD53
1 Processing error
2 Execution time over error
3 Writing count error
4 Indirect device error
5 Parameter error
6 Fixed Interval Script execution time over
7 Fixed interval execution error
If there is a script error, bit 10 (11th bit) of the beginning device a2 (third word from the beginning)
of the System Area will be 1.
Beginning device address of the System Area is set in the System tab of the Project Settings dialog box.
For details about the System Area, refer to Chapter 4 “System Area” on page 4-30.
Beginning
device address
+1 +2 +3 +4 +5 +6 +7
System Area 1 System Area 2 System Area 3 System Area 4
+8 +9
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1st word 2nd word
11th bit
3rd word 4th word 5th word 6th word 8th word 7th word 10th word 9th word
Types of script error Cause
Processing error
Dividend was divided by 0 for division and residue calculation.
Data types are BCD4(B), BCD8(EB), Float32(F) and value out of range is
specified.
Execution time over error
The execution time for one script exceeded 3,000 milliseconds.
Fixed Interval Script execution time over
Writing count error Data count written to the external device address in one script has exceeded 64.
Indirect device error
During the indirect read of external device address, the value of external device
address was read.
Indirect read or indirect write of external device address is performed with the
Global Script.
Parameter error
Value out of range was specified as argument for LINE function, RECTANGLE
function, or CIRCLE function.
Executed the LINE function, RECTANGLE function, and CIRCLE function in a Cyclic
Script.
Fixed interval execution error
Execution interval is automatically adjusted since the execution of the Fixed
Interval Script has taken more time than half of the execution interval specified
in the Fixed Interval Script.