Simbol Ladder PLC adalah representasi elemen berbagai Diagram Ladder. Untuk membuat diagram Ladder PLC , dengan cara Tangga masukan simbol diagram dan berikut dengan nama input / output ke editor pemrograman pada perangkat lunak PLC sehingga terbentuk tangga diagram yang lengkap.
Contoh diagram simbol tangga di salah satu perangkat lunak PLC :
Contoh diagram tangga simbol pada Editor Software Pemrograman PLC :
Electrical ladder drawings are still one of the common and reliable tools used to troubleshoot equipment when it fails. As with any good troubleshooting tool, one must be familiar with its basic features to make the most of the diagram in the field. In other words, possessing a basic understanding of how the drawing is laid out — as well as the meaning of numbers and symbols found on the schematic — will make you that much more seasoned as a maintenance professional.
There are typically two distinct parts of a ladder drawing: the power component and the control component. The power portion consists of items such as the motor, motor starter contacts and overloads, disconnect(s), and protective devices (fuses and circuit breakers). The control part encompasses items that make the power components do their work. For this discussion, we'll focus on the control portion of the drawing. Let's take a look at the most common components.
Fig.
1. A sampling of common symbols you’ll find on the majority of ladder
drawings. The normally open and normally closed symbols are added here
to merely serve as an instructional aid.
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