6 FUNCTIONS
6.4 Logging Function
6.4.1 Logging function
Web server module
6 - 41
The logging function stores tag data as a CSV format logging file into standard ROM or
CompactFlash card in time series at the user-specified execution timing (by setting
timing, start/stop condition).
(1) Logging file can be monitored/downloaded
The logging file can be monitored on the logging monitor screen.
Also, the logging file can be sent to the external device by downloading it from
the logging monitor screen or using E-mail delivery/file transfer.
2) According to the logging setting,
Web server module logs
tag data.
Tag data
Logging setting
Tag name:
Logging interval (seconds)
Process A
Interval specification (300 seconds)
Process B
Interval specification (60 seconds)
Process C
Time specification (05:00:00)
1) Makes logging setting in
Web browser.
3) Specifies a logging
name to display the
logging data.
Logging data
Logging monitor
Logging name:
Process A
Date
02/07/01 09:00:00
02/07/01 09:05:00
02/07/01 09:10:00
02/07/01 09:15:00
02/07/01 09:20:00
Logging data can be viewed as a list or a graph.
MELSEC-Q
Tag data will be logged.
External device
(Client)
Display form:
List (*)
Pressure
Temperature
Water level
90
20.3
9
97
20.5
7
101
20.4
8
100
20.4
10
103
20.2
13
6 - 41