1. Overview The positioning instructions in Mitsubishi PLCs (Programmable Logic Controllers) are core functions for achieving precise position control, widely used in automated production lines, CNC machine tools, robotics, and other fields. By controlling servo motors or stepper motors through pulse output, various motion control needs can be met, ranging from simple point control to … Read more
Learning is a simple task; it involves having resources, understanding the materials, and comprehending the information. If you lack resources, then discussing learning is pointless. Moreover, during the learning process, we often encounter problems, and the process of understanding these issues is a learning experience. To address the above issues, the Mitsubishi PLC learning group … Read more
1. Meaning of Mitsubishi PLC Indicator Lights ① Input Indicator Light The row of indicator lights marked with “IN” are the input signal indicator lights, as shown in Figure 3-1-3 “⑤”. Each indicator light corresponds to one input signal of the PLC. When there is a signal at the corresponding input terminal, the indicator light … Read more
M80PLC Tutorial | How to Learn Mitsubishi M80 PLC Programming from Scratch? When debugging or repairing, we sometimes need to monitor thePLC‘s signal status to see if it is0 or 1. At this time, we can use theM80 built-in PLC programmer function to check. The specific operation steps are as follows: Enter the built-in programmer … Read more
Follow me as we analyze 100 Mitsubishi PLC program cases. In the fascinating world of automation control, the Mitsubishi PLC acts like a precise commander, methodically orchestrating the operation of various devices. Today, let’s discuss an interesting application of the Mitsubishi PLC control system — the start-stop control with dual stop buttons, and see how … Read more
Basic Logic Instructions for Mitsubishi FX Series PLCsInput and Output Instructions (LD/LDI/LDP/LDF/OUT) (1) LD (Input Instruction) is a command connected to a normally open contact with the left bus. Each logical line starting with a normally open contact uses this instruction. (2) LDI (Inversion Instruction) is a command connected to a normally closed contact. Each … Read more
-Begin- Siemens, Mitsubishi, and Omron are the three most commonly used PLC brands in our automation industry. Today, I will share an analysis of the Mitsubishi PLC MC communication protocol.When learning the MC communication protocol, it is recommended to first master the Modbus communication protocol.The MC protocol of Mitsubishi PLC is a data communication protocol … Read more
Creating ST Programming Language Projects in Siemens and Mitsubishi PLCs In Siemens PLCs, the structured language is referred to as SCL, which is the ST language. In the current TIA Portal programming software, programs and data are presented in the form of “blocks”. The data block (DB) is equivalent to data registers in other PLCs. … Read more
In the automotive welding workshop, the operation screen suddenly displayed a “D840.3” communication alarm, indicating that the data interruption of equipment utilization rate between the PLC and the MES system has lasted for 23 minutes. At this time, although the production line is still running, the lack of quality traceability information will result in the … Read more
