ACC Automation: PLC & Industrial Control Learning
Practical Tips and Techniques
We will now look at the system hardware of the Omron CP1H controller. The Omron CP1 series of programmable logic controllers consists of three different units. CP1E is the cost-effective unit, CP1L is the high-performing controller that can come with embedded Ethernet and the Omron CP1H is the position control and comprehensive programmable logic controller. … Read more
We will now look at the Horner report generator. The Horner APG XL4 all in one controller has a feature to generate text reports. These reports can consist of text and data from memory locations in the controller. Reports can be printed using a serial interface printer through any of the serial ports of the … Read more
Math instructions in the Horner APG XL4 OCS all-in-one controller are broken down into Basic Math Operations and Advanced Math Operations. Basic Math Operations include the following: Math Equation Element, Add, Subtract, Multiply, Divide, Modulo, Square Root, Absolute Value Advanced Math Operations include the following: Power of X, Base 10 Logarithm, Power of e, Natural … Read more
The Omron C20K, C28K, C40K, and C60K shoebox programmable logic controllers have been discontinued since March of 2002. These Omron ‘K’ series PLCs were popular controllers and have been in installations for over 25 years. We will take a look at this Omron PLC and review some troubleshooting techniques. Planning for the eventual fatal failure … Read more
We will now look at the click plc advancedhmi Modbus serial communication. Advanced HMI is a powerful, adaptable HMI/SCADA (Supervisory Control and Data Acquisition) development package that takes advantage of Visual Studio. There is no coding required and you can simply drag and drop items onto the page. The best thing is that the software … Read more
Receive and Send instructions will allow you to send and receive serial data to an external device. The communication method that you setup can be ASCII or Modbus. ASCII (American Standard Communication for Information Interchange) can be used to send to devices such as a printer. Receiving ASCII can be used for connecting barcode scanners … Read more
Drum instructions are great tools when you have a simple sequence of events that need to occur at a set time interval or as a result of an event. They mimic an electromechanical drum sequencer. The Click PLC has a drum in the instruction set. We will discuss the drum instruction and look at an … Read more
A lot of times when programming a PLC you need to track what has previously happened. Shift registers allow you to do just that. The Click PLC has a shift register in the instruction set. We will discuss the shift register and look at an example.
Understanding how the PLC will scan and update your program is critical in programming and troubleshooting your system. Typically a PLC will solve your logic from left to right, top to bottom. The status of the memory from the previous rung, are available for the next rung to use. We will look at a few … Read more
The program control instructions will allow us to specify what parts of the logic get solved and when this happens. This will control how the PLC will scan and solve your logic in your program.