Mitsubishi Electric MELSEC iQ-R Series User Manual page 316

■Error log 1 to 16 (Un\G152 to 311)
The error history of the errors occurred in a high speed data logger module is stored.
Error log area is comprised of 16 error logs with the same data configuration.
Un\G152 to 161
Un\G162 to 171
Un\G302 to 311
*1 Time zone and summer time flag details are as follows.
b15
● Error code
The error code is stored.
● Time
The time when the error occurred is stored in BCD code.
The information of the error log area can be checked in the following diagnostics screens.
• Select [Online]  [Diagnostics]  "Module diagnostics" in Configuration Tool (Page 216 Module
diagnostics)
• Select the [Event History] button on the "Module Diagnostics" screen of the engineering tool (GX
Works3 Operating Manual)
The error log area can be cleared with the following methods.
• Select [Online]  [Diagnostics]  "Module diagnostics" in Configuration Tool, and click the [Error release]
button. (Page 216 Module diagnostics)
• Power OFF to ON or reset the CPU module
APPX
314
Appendix 3 Buffer Memory
Error log 1 +0
Error log 2
+1
+2
+3
+4
+5
+6
Error log 16 +7
b8 b7
System area
b15
System area
Month (01H to 12H)
Hour (00H to 23H)
Second (00H to 59H)
Year (00H to 99H) first 2 digits
Lower milliseconds (00H to 99H)
b1 b0
Time zone
50H to 34H: -12 to +13 hours (Unit: 15 minutes)
b8 b7
Error code
System area
Time zone and summer time flag
Year (00H to 99H) last 2 digits
Day (01H to 31H)
Minute (00H to 59H)
Day of the week (0H to 6H)
Upper milliseconds (00H to 09H)
Summer time flag
OFF: Except during summer time
ON: During summer time
b0
*1
Time