Mitsubishi Electric MELSEC iQ-R Series User Manual page 315

Error log area (Un\G150 to 311)
The history of errors which have occurred in the high speed data logger module can be checked in this area.
Buffer memory name
Error count
Error log write pointer
Error log 1 Error code
Time
Error log 2 to 16
■Error count (Un\G150)
The total number of times an error log is registered in the error log area is stored.
■Error log write pointer (Un\G151)
The error log number where the latest error log is registered is stored. (For example, when '16' is stored, it indicates that the
latest error log is registered in the area of the error log '16'.)
A maximum of 15 continuation errors and 1 Stop error will be registered.
If 15 continuation errors are displayed, new continuation errors will not be registered. If the new error has the same error code
as the already registered error, the error occurrence date/time and its detailed information will not be updated.
If any new error occurs after the stop error, the new error will not be registered.
Address Description
Un\G150 The total number of times an error log is registered in the error log area is stored.
Un\G151 The error log number where the latest error log is registered is stored.
0: No error
1 to 16: Error log number
Un\G152 The error code is stored.
Un\G154 b0 to 7: Time zone and summer time flag
b8 to 15: System area
Un\G155 b0 to 7: Last two digits of the year
b8 to 15: Month (January to December)
Un\G156 b0 to 7: Day (1 to 31)
b8 to 15: Hour (00 to 23)
Un\G157 b0 to 7: Minute (00 to 59)
b8 to 15: Seconds (00 to 59)
Un\G158 b0 to 7: Day of the week (0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, 4: Thursday, 5:
Friday, 6: Saturday)
b8 to 15: First two digits of the year
Un\G159 b0 to 7: First two digits of the millisecond
b8 to 15: Last two digits of the millisecond
Un\G162 to 311 Details are the same as error log 1.
APPX
Appendix 3 Buffer Memory
A
313