Yokogawa Data Acquisition with PID Control CX2000 User Manual

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IM 04L31A01-01E

• Event data

• During the free mode

The event data in the internal memory is closed as a single file at the specified
interval (data length) or at the specified date and time and saved to the external
storage medium in binary format.

• During trigger or rotate mode

After acquiring the data to the internal memory over the specified period (data
length), the event data in the internal memory is stored to the external storage
medium in binary format.
The following figure shows the operation when the acquisition area in the internal
memory is divided using the trigger mode.

Data acquisition

Trigger wait

Trigger
condition met

Trigger wait

Saved to the external
storage medium

Stop

1st block

2nd block

Last block

Data acquisition

• Manual sampled data

The first time manual sample is executed, a manual sample data file is created on the
external storage medium. Data is added to this file every time manual sample is
executed. The data is saved in ASCII format.

Note

If an external storage medium is not inserted in the drive during auto save mode, the unsaved

data is saved the first time manual sample is executed after an external storage medium is

inserted.

• TLOG data

The first time TLOG data is created, a TLOG data file is created on the external
storage medium. The data is appended to this file at the specified interval. If the
number of TLOG data points saved exceed 400, a new file is created on the external
storage medium. The data is saved in ASCII format.

• Report data

The first time report data is created, a report data file is created on the external
storage medium. A file is created for each type of report such as daily and monthly.
The data is appended to this file every time of report.
The report file is divided at the following times. The data is saved in ASCII format.
• For hourly reports
• When the report at 0 hour every day is created.
• When the number of data points in a single file reaches 25.
• For daily reports
• When the report on the 1st day of every month is created.
• When the number of data points in a single file reaches 32.

Other Types of Data That Can Be Stored
The following two types of data can be stored on the external storage medium.
• Setup data

The setup data can be saved to the external storage medium. The saved data can be
loaded to change the CX2000 settings.

• Image data of the display screen

The image data of the display screen can be stored to the external storage medium in
PNG format.

1.17 Data Storage Function