Simple Click Data Logging

Garry (Customer) asked a question.

July 13, 2021 at 10:00 AM

In this post, we will now be looking at simple data logging using a Click PLC with an Ethernet port. Node-RED will be used to communicate to the controller via Modbus TCP protocol. Information collected will be then stored in an SQLite SQL database. A Raspberry Pi 4 single-board computer will be used for the Node-RED collecting and storing. The update time will be two times a second (500 mSec). This method is ideal for quickly determining how things are operating.

Node-RED Simple Click Data Logging 010-min Analysis or display of the information will be done with a spreadsheet. The spreadsheet will be run on a windows computer. Let’s get started.