Saving And Deleting Data - IDEC MICRO/I HG4G-CJT22 F-B Series User Manual

1 Overview

1.4 Saving and Deleting Data

Saving Data
●
The sampled values of device addresses along with the sampling time are all saved in the data storage area.
External device
If the saved data exceeds the Data Log data storage amount per device address, the old data is deleted and the new data
is saved.
When the backup battery is depleted, the data in the Data Log is erased when the MICRO/I is turned off.
Data Storage Amount
When saving the sampled data to the data storage area, set the data storage amount per device address. The amount
of data that can be saved in the data storage area is calculated from the configured data storage amount per device
address and data amount for each channel.
The maximum amount of data that can be saved in the data storage area is as follows.
Model
HG5G/4G/3G/2G-V, HG4G/3G, HG2G-5F
HG2G-5T, HG1G/1P
Deleting Data
●
The method to delete sampled data from the data storage area is as follows.
• On the Online tab in WindO/I-NV4, click the arrow under Clear, and click All or Data Log Data. For details, refer
to Chapter 24 "4 Clear" on page 24-25.
• In the System Mode, on the Main Menu screen, press Initial Setting, Initialize, Data Log in order.
14-6
Sample values of
device addresses
Data Log data storage amount per device address
Maximum amount of data that can be saved in the data storage area
29,165
13,808
WindO/I-NV4 User's Manual
Data Log data
01/01/2011 12:00:00
01/01/2011 12:10:00
MICRO/I
01/01/2011 12:20:00
01/01/2011 12:30:00
01/01/2011 12:40:00
01/01/2011 12:50:00
New data
Oldest data
(delete)
Sampling Time Data001 Data002 Data003
20 120
21 121
22 122
23 123
24 124
25 125
201
204
206
206
210
218