Login History Area (Address: 250 To 380) - Mitsubishi MELSEC-Q Series User Manual
Web server module
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Also See for MELSEC-Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Reference manual (532 pages)
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3 SPECIFICATIONS
Address: 152 to 157
158 to 163
242 to 247
Error log 16
3.8.7 Login history area (Address: 250 to 380)
3 - 42
(b)
Time
This area stores the error occurrence time in BCD code.
+0
Error log 1
+1
Error log 2
+2
+3
+4
+5
(c)
If an error that has already stored in the Error log area recurs, the error
code is not stored in the Error log area.
POINT
(1) The information of the error log area can be confirmed on the following
diagnostic screen.
(a) "Error history" of self-diagnostics monitor (Refer to Section 6.2.6)
(b) "Error Display" in system monitor of GX Developer (Refer to Section 9.2.2)
(2) The error log area can be cleared in either of the following methods.
(a) Execute History clear in self-diagnostics monitor (Refer to Section 6.2.6).
(b) Switch the power OFF and then ON or reset the CPU module.
The history of login to the Web server module via the Web or FTP can be confirmed.
(1) Number of login times (Address: 250 to 251)
This area stores the cumulative number of login times to the Web server module
using Web or FTP.
(2) Login history write pointer (Address: 252)
(a)
This area stores the login history No. with which the latest login history has
been stored. ( )
0
1 or more : Login history No. of the latest login history stored
The pointer value of "16" indicates that the latest login history has been
stored into the login history 16 area.
(b)
If 17 or more errors occur, the login history is stored into the login history
areas, starting from the login history 1 area again.
(3) Login history 1 to 16 (Address: 253 to 380)
This area stores the history of login to the Web server module via the Web or
FTP.
The login history area is composed of 16 portions of the same data arrangement.
(a)
User number
1)
This area stores the user number for login.
2)
The user number is the number set in the account setting.
b15
to
Error code
System area (Use prohibited)
Month (01
to 12
H
H
Hour (00
to 23
)
H
H
Second (00
to 59
H
H
Year (00
to 99
, first 2 digits)
H
H
: No login history. (No login history stored)
b8
b7
to
)
Year (00
to 99
, last 2 digits)
H
H
Day (01
to 31
H
)
Minute (00
to 59
H
Day of the week (0
MELSEC-Q
b0
)
H
Date
)
H
to 6
)
H
H
3 - 42
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