3.2 Data Monitoring Procedure: Overview of VZ20X Data
Buffer
The data acquisition statuses for exclusive function code 71 are shown here.
An example image of the data buffer in the VZ20X is shown below. Gray indicates the invalid
state, and the other colors indicate valid data items. Valid data can be read out via
communication.
1
2
3
4
5
6
7
8
1993
1994
1995
1996
1997
1998
1999
2000
1
2
3
4
5
6
7
8
1993
1994
1995
1996
1997
1998
1999
2000
1
2
3
4
5
6
7
8
1993
1994
1995
1996
1997
1998
1999
2000
0x00 Data acquisition completed
normally
0x01 Data buffer incomplete
0x02 Data missing due to data overwrite
Overwrite
3.3 Setting the Time to VZ20X
Set the current time for the VZ20X.
Refer to the sample programs shown below to configure the setting.
If no time setting is configured, the time will start elapsing from 1970-01-01
00:00:00.000.
Environment
Language
File name
Windows
Visual C#
VZ20XSample01_EN.zip
Windows, Linux, etc. Python
VZ20XSample02_EN.zip
* See "Appendix" for details on preparing and running development environments
for sample programs.
The sample program can be downloaded from our website after entering
customer information.
URL
https://www.yokogawa.com/ns/vz/
29
TI 77V01B01-11EN
Oct.18, 2021-00
Summary of Contents for VZ20X
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