Logging Type; Continuous Logging - Mitsubishi Electric MELSEC-L Series User Manual

6.3

Logging Type

There are the following two logging types:

• Continuous logging

• Trigger logging
6.3.1
Continuous logging
When continuous logging is selected, device values of the CPU module are continuously logged at the specified
intervals. The flow of the continuous logging is shown below.
<Preparation for continuous logging>
Configure data logging settings in the configuration
tool, and write them to the CPU module.
<Start of continuous logging>
Page 62, Section 6.4 (1)
(
Start data logging by the start operation from
the configuration tool.
(
<Data sampling>
The data configured in the configuration tool are
collected and saved to an SD memory card.
<Completion of continuous logging>
Page 63, Section 6.4 (4)
(
When the specified number of saved files is
reached, the logging is completed.
(
<Reading of continuous logging results>
Page 62, Section 6.4(1)
(
Specify a file in the SD memory card, and
read out the data logging results.
(
: User operation
: Operation of CPU module
*1 Data logging can be resumed by performing the following from the pause status.
• Start operation from the configuration tool (
• Turning on the special relay (Data logging start)
*2 Logging data are regarded as being saved until the entire buffer data are saved in the SD memory card.
56
)
Page 128, Section 8.9
)
)
Page 109, Section 8.4.10
)
)
Page 128, Section 8.9
)
*1
*2 <Pause of continuous logging>
Page 62, Section 6.4 (2)
(
By the following operation, data logging pauses
with the data logging settings registered.
Pause operation from the configuration tool
Turning off the special relay (data logging start)
<Stop of continuous logging>
Page 62, Section 6.4 (3)
(
By the following operation, registration of the data
logging setting in the CPU module is cancelled.
Stop operation from the configuration tool
Page 128, Section 8.9)
)
)