plc programming tutorial | ACC Automation

Create a PLC HMI Training Learning Environment

February 21, 2023November 20, 2015 by garrys

We will now create a PLC with HMI Training and learning environment. We will use the Automation Direct Do-More programming software tied into the Advanced HMI learning package via Modbus TCP. All of the software is free and fully functional. Learn PLC programming and use a powerful HMI (Human Machine Interface) easily and freely. Setting … Read more

How to Implement Modbus TCP Protocol VBA Excel

February 21, 2023November 7, 2015 by garrys

We are using Modbus TCP protocol, reading ten registers in the PLC, and displaying a bar graph in Excel. e will use Visual Basic for Applications (VBA) to communicate with a PLC. Previously we have used VB6 to communicate Modbus TCP. Sequence for Modbus TCP on Excel using VBA The following steps will be done: … Read more

Implementing the Omron CX Server DDE and Excel

February 19, 2024October 24, 2015 by garrys

Utilizing the CX Server DDE Manager will allow us to provide a link to the information in the Omron PLC. This link can be placed on an Excel spreadsheet. Charts, graphs, etc., can be made from the data. We will create links on an excel spreadsheet from a CQM1H and a CP1L PLC. The information … Read more

Three Free PLC Programming Software Tools

February 21, 2023October 3, 2015 by garrys

Manufacturers have software to program the programmable logic controller (PLC) or the human-machine interface (HMI). However, there are a few free tools that will help in the development of your PLC programs. We will look at three software tools and show how beneficial they can be to you. Free PLC Software Tools Synergy – Share … Read more

Here’s is a way to send email text messages PLC

February 21, 2023September 19, 2015 by garrys

Sending email messages from the PLC sounds like an easy task. However, very few applications do this on the production floor. This is probably due to the networks involved, and authentication can be complicated. In our example, we will use a restricted Gmail SMTP server so that no authentication will be required. We will walk … Read more

What are the Different PLC Programming Languages

February 21, 2023August 23, 2015 by garrys

PLC programs are typically written in a particular application on a personal computer, then downloaded to the PLC. This downloaded program is similar to compiled code to keep the program efficient. The program is stored in the PLC in battery-backed-up RAM or non-volatile flash memory. Five Different PLC Programming Languages Albert Einstein said, “The world … Read more