To be honest, I wasn’t sure if this was an advantage or a disadvantage. S7 Communication can access any part of the partner Using the PUT/GET instruction blocks this PLC can exchange data with a partner whose program has not been modified. That means that you only have to program the communication in one PLC. S7 Communication is a popular way to communicate between PLCs because it is a single-sided communication protocol. Demonstrate how to set up S7 Communication between two PLCs using the PUT instructionĪdvantages of S7 Communication S7 Communication is a single-sided mechanism.Explain the disadvantages of using S7 Communication.
Explain the advantages of using S7 Communication.In this article, I’ll provide a quick start guide for configuring S7 Communication (PUT/GET) between two S7 PLCs. Each communication option has advantages and disadvantages, as well as a unique way of working. In modern PLCs, there are so many options for communication available that it can be hard to decide which one to use. Step 8) The addresses of the digital input module vary from byte zero to byte number one means that the addresses we will use for our program in this module begin at “I 0.0” for the first input and proceed to “I 1.7” for the final input.Often, communication between multiple PLCs is required in automation projects. We can add the remaining modules in this way. We need to select “316 CPU”, so we have to open the “CPU 316: folder and select the appropriate part number to insert it into the slot second in the rack. To select the desired module, we open this “CPU 300” folder, which opens to reveal all types of “300 CPUs”. Step 7) In the second slot of the rack, we often mount the “CPU” module. To do this, we open the “PS300” folder and double-click on these two amber power supplies to insert them into the first slot of the rack. Step 6) To power on and turn on our PLC modules we need to connect a “Power Supply” in the first slot. To attach the rack, open the “Rack 300” and double click the “Rail” to connect it to the left pane. Step 5) First of all, we need a rack in which the modules are mounted. Here we are using “S7 300” PLC so we have to select the desired modules from “SIMATIC 300” subgroup. Step 4) Then Click on “Simatic 300” and it takes us to the hardware so that we can configure the modules we need for the PLC.
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