The PLC (Programmable Logic Controller) is largely divided into the basic commands, function commands and exclusive commands, and ample command types are available. The commands can be used according to the purpose and application such as the PLC support function used when supporting the user PLCs.
Use the "MELSEC-Q/L Programming Manual (Structured Text)" to perform structured text (ST) programming with GX Developer. It is suitable for the users who have the knowledge and programming experience of programmable controller ladder programs and for the users who have the knowledge and programming experience
the correct programming and operation of the PLC. • Before attempting to install or use the PLC this manual should be read and understood. • If in doubt at any stage of the installation of the PLC always consult a professional electrical engineer who is qualified and trained to the local and national standards which apply to the ...
Thank you for choosing the Mitsubishi MELSOFT series Integrated FA software. Read this manual and make sure you understand the functions and performance of MELSEC series sequencer thoroughly in advance to ensure correct use.
When data change, program change, or status control is performed from a personal computer to a running programmable controller, create an interlock circuit outside the programmable controller to ensure that the whole system always operates safely.
A PLC is defined as "an electronic device which controls many types of systems through its I/O ports and incorporates a memory to store programmable instructions."
The built-in PLC function has two different programming methods: one that uses ladders and the other that uses dedicated instructions. •Programming that uses ladders is performed in the relay symbolic language. *1
Thank you for purchasing the Mitsubishi MELSEC-Q/L/QnA series programmable controllers. Before using the product, please read this manual carefully and develop familiarity with the functions and performance of the