IDEC SmartAXIS Touch FT1A Series, User Manual

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1 About the Script Function
20-4
SmartAXIS Touch User’s Manual
1.4 Script Error of HMI Function
This section describes the types, cause, and information of script errors.
●
Types and causes of script errors
Script will stop running when an error occurs.
●
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 of script error Cause
Processing error
Dividend was divided by 0 for division and residue calculation.
Data types are BCD, float32, and value out of range is specified.
Execution time over error The execution time for one script exceeded 3,000 milliseconds.
Writing count error Data count written to the external device address in one script has exceeded 64.
Indirect device error
Indirect read from external device address is performed while the HMI Special
Internal Relay LSM14 or LSM15 is 1.
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.
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
• If there is a script error, bit 10 (11th bit) of the starting 2 (third word from the beginning) of the
System Area will be 1.
The starting device 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 3 “System Area” on page 3-23.
• For ladder program and FBD program errors, refer to Chapter 30 “2.2 Program Execution Error” on page
30-5.
Starting device
+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