Mitsubishi Electric MELSEC iQ-R Series User Manual page 314

Current error area (Un\G140 to 149)
The latest error code which is currently occurring can be checked in this area.
Buffer memory name
Error code
Time
■Error code (Un\G140)
The error code is stored.
■Time (Un\G142 to 149)
The time when the error occurred is stored in BCD code.
b15
Un\G142
Un\G143 Month (01H to 12H)
Un\G144 Hour (00H to 23H)
Un\G145 Second (00H to 59H)
Un\G146 Year (00H to 99H) first 2 digits
Un\G147 Lower milliseconds (00H to 99H)
*1 Time zone and summer time flag details are as follows.
b15
The information of the current error area can be checked on the following diagnostics screens.
• Select [Online]  [Diagnostics]  "Module diagnostics" in Configuration Tool (Page 216 Module
diagnostics)
• System monitor of the engineering tool (GX Works3 Operating Manual)
The current error 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)
• Turn ON 'error clear request' (Y10)
• Power OFF to ON or reset the CPU module
APPX
312
Appendix 3 Buffer Memory
Address
Un\G140
Un\G142
Un\G143
Un\G144
Un\G145
Un\G146
Un\G147
b8 b7
System area Time zone and summer time flag
Year (00H to 99H) last 2 digits
Upper milliseconds (00H to 09H)
b8 b7
System area
Description
The error code is stored.
b0 to 7: Time zone and summer time flag
b8 to 15: System area
b0 to 7: Last two digits of the year
b8 to 15: Month (January to December)
b0 to 7: Day (1 to 31)
b8 to 15: Hour (00 to 23)
b0 to 7: Minute (00 to 59)
b8 to 15: Seconds (00 to 59)
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
b0 to 7: First two digits of the millisecond
b8 to 15: Last two digits of the millisecond
b0
*1
Day (01H to 31H)
Minute (00H to 59H)
Day of the week (0H to 6H)
b1 b0
Time zone
50H to 34H: -12 to +13 hours (Unit: 15 minutes)
Summer time flag
OFF: Except during summer time
ON: During summer time