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APPENDICES
Appendix 1 Error Codes
APPENDICES
Appendix 1 Error Codes
When the Motion CPU detects an error with the self-diagnostic function, the error is displayed on the Motion CPU LED
display, and the error code is stored in the relevant device. Use the relevant device in which the error code is stored in the
program to enable a machine control interlock. By checking the error code, the error details and cause can be determined.
Refer to error checking methods for how to check the error details and error code. (Page 366 Error checking methods)
Error codes system
Error codes for all modules are expressed with 4 hexadecimal digits (integer without 16-bit sign). There are errors detected
with each module's self-diagnostic function, and common errors detected when communicating between modules. The error
detection types and error code ranges are shown below.
Detailed information
When errors are detected during self-diagnosis, detailed information indicating the cause of the error is also stored.
Detailed information on each error code can be checked with the engineering tool. The following detailed information is saved
for each error code. (Up to two types of detailed information are stored, and the type differs for each error code.)
Detailed information on the latest error codes can also be checked from special registers (SD). Detailed information is stored
in "Detailed information 1 (SD81 to SD111)" and "Detailed information 2 (SD113 to SD143)". The stored information type is
determined with "Detailed information 1 information category (SD80)" and "Detailed information 2 information category
(SD112)".(Page 431 Special Registers)
Error detection type Error code range Description
Detection with each module's self-
diagnostic function
0001H to 3FFFH These are errors such as module self-diagnostic errors that are different for each module.
Detection when communicating
between modules
4000H to FFFFH CPU module error
7000H to 7FFFH Serial communication module error
B000H to BFFFH CC-Link module error
C000H to CFFFH Ethernet module error
D000H to DFFFH CC-Link IE field network module error
E000H to EFFFH CC-Link IE controller network module error
F000H to FFFFH MELSECNET/H network module, MELSECNET/10 network module error
Detailed
information
Item Details
Detailed
information 1
Program positioning information Displays positioning related information in the program.
Drive and file name Displays information relating to the drive No. and file name.
Parameter information Displays parameter related information such as the parameter storage target and parameter types.
System configuration information Displays system configuration related information such as I/O Nos. and power supply Nos.
Count information Displays count related information such the number of times data is written to the memory.
Time information Displays time related information.
G-code control information Displays G-code control related information such as axis names and program Nos.
Machine control information Displays machine control related information such as machine Nos. and machine operations
Add-on function information Displays add-on library related information
Servo error/error at communication
failure
Displays servo amplifier related information such as servo amplifier types and error LED displays
Axis control error Displays axis control related information such as axis Nos. and axis types
Motion SFC program Displays Motion SFC program related information such as program Nos. and program types
Detailed
information 2
Drive and file name Displays information relating to the drive No. and file name.
Parameter information Displays parameter related information such as the parameter storage target and parameter types.
System configuration information Displays system configuration related information such as I/O Nos. and power supply Nos.
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