36 ERROR CODES
36.1 Error Code System
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Detailed information
Upon detection of an error by the self-diagnostic function, the detailed information of the error cause is stored together with an
error code. The detailed information can be checked using the engineering tool. The following detailed information is added to
each error code. (Up to two types of information are stored together with an each error code. The types differ depending on
the error code.) Detailed information 1 and 2 for the latest error code can also be checked in the special register (SD). (
Page 668 List of Special Register Areas)
*1 The step number which is displayed in the error location information, is the one that is counted from the start of the file. It may differ from
the step number of the program which is displayed in error jump of the engineering tool.
*2 For details on error classifications and error codes, refer to the manual of each device connected. Furthermore, "0s" in the occurrence
date and time information, and in high-order digits are omitted. For example, if the occurrence time (hhmmss) is 09:10:05, the displayed
value will be 91005.
Detailed information Item Description
Detailed information 1 Error location information
*1
Information on the location in a program
Drive/file information Information on the corresponding drive name and file name
Parameter information Information on the parameter, such as parameter storage location and parameter type
System configuration information Information on the system configuration, such as I/O numbers and power supply numbers
Frequency information Information on the frequency, such as the number of writes to memory
Time information Information on time
Failure information Information on failures
System switching information Information on the system switching cause or system switching failure cause
Data type (tracking transfer)
information
Information on tracking transfer setting data
Tracking transfer trigger information Information on tracking block numbers when data are transferred
Extension cable information Information on the base unit to which the extension cable in which the error occurs is
connected
Detailed information 2 Drive/file information Information on the corresponding drive name and file name
Annunciator information Information on the annunciator areas
Parameter information Information on the parameter, such as parameter storage location and parameter type
System configuration information Information on the system configuration, such as I/O numbers and power supply numbers
Process control instruction processing
information
Information on processing blocks of the process control instructions
Program error information Program error code
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