When using a direct connection on NT31/NT31C displayed on the elements and NT31/NT31C status bits and words can be assigned to the PLC. PLC controlled by changing the content and NT31/NT31C, or by pressing the touch switch on the NT31/NT31C sending data to the PLC. (1) controlled by PLC NT31/NT31C The following features can be controlled by … Continue reading OMRON-PLC programmable Terminal (PT) distribution and allocation of functions
Category: plc program
Instruction of PLC concepts
Instruction is the PLC to be told what to do, and how to do code or symbol. Text and graphic symbols usually two.Writing code for commonly used mnemonic form, known as the PLC statement table of instructions. It is similar to a computer's Assembly language, Ruby's initials and the number represents the corresponding directive.Graphical symbols … Continue reading Instruction of PLC concepts
OMRON-PLC programmable Terminal (PT) system menu operations
hen using the NT31/NT31C or modify a system program for the first time, follow the steps below.(1) create a picture data Use support tools create a NT31/NT31C image data, create picture data details, refer to the NT series support tool manual. (2) start NT31/NT31C (display the system menu) Power on the NT31/NT31C.If there is no registration data screen … Continue reading OMRON-PLC programmable Terminal (PT) system menu operations
Basic terms of PLC concepts
In order to State, it is necessary to learn more about ladder diagram of common terminology.(1) the ladder diagramLadder diagram of PLC program is a simple and easy to understand form. It comes from electrical schematic diagram of relay control systems, programming in schematic form the logical process of the directive, it is sometimes also … Continue reading Basic terms of PLC concepts
PLC Basic programming steps
To write a PLC program can be carried out according to the following steps:1. Process analysisPLC control object work and control requirements are analyzed, to clarify the following questions:1) how to start the process? The goal is how to further implement?2) correspond to how input and output? On the timing and what are the characteristics?3) … Continue reading PLC Basic programming steps
The programming method of PLC
There are three commonly used programming methods: empirical method, the analytical method and the graphical method1. Empirical methodThe so-called "experience" programming is the use of one's own or others ' experience. This method requires the user to be familiar with basic circuit conditions, grasp the basic principles of design of ladder diagram and programming skills … Continue reading The programming method of PLC
222-1BH22-0AA0 Compatible PLC S7-200 6ES7 222-1BH22-0AA0
221-1BL22-0AA0 Compatible PLC S7-200 6ES7 221-1BL22-0AA0
221-1BH22-0AA0 Compatible PLC S7-200 6ES7 221-1BH22-0AA0
221-1BH22-0AA0 Compatible PLC S7-200 6ES7 221-1BH22-0AA0Digital input module16 input
221-1BF22-0AA0 Compatible PLC S7-200 6ES7 221-1BF22-0AA0
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