GE 750-P5-G5-S5-HI-A20-RE On site interface module
Diagnose faults based on the condition of PLC input and output ports. 750-P5-G5-S5-HI-A20-RE In the PLC control system, the transmission of input and output signals of 750-P5-G5-S5-HI-A20-RE is achieved through the I/O module of the PLC. Therefore, some faults of 750-P5-G5-S5-HI-A20-RE will be reflected on the 1/0 interface channel of the PLC, which provides convenience for fault diagnosis.
If it is not a hardware fault of the PLC system itself, 750-P5-G5-S5-HI-A20-RE does not need to check the program and relevant circuit diagrams. By checking the status of the PLC’s I/O interface, the fault factor can be identified. Therefore, it is necessary to understand the common I/O and fault conditions of the PLC that controls the target.
Precautions for the design and implementation of control systems:
(1) Selection of PLC type.
Firstly, the PLC must be a transistor output form that can output high-speed pulses. Secondly, the maximum pulse frequency output by the PLC must meet the control requirements.
(2) Selection and parameter setting of stepper motor pulse subdivision driver.
(3) Selection of stepper motors.
The first consideration is the type selection of the stepper motor, followed by the variety selection. Based on the system requirements, the voltage and current values of the stepper motor, as well as the presence or absence of positioning torque and the use of bolt mechanism positioning devices, can be determined to determine the number of phases and beats of the stepper motor.
When selecting the type of stepper motor, it is necessary to comprehensively consider the speed ratio i, axial force F, load torque Ti, rated torque TN, and operating frequency fy to determine the specific specifications and control devices of the stepper motor.
(4) Calculation of pulse equivalent.
Accurate positioning achieved through other methods of PLC:
Utilize the PID instructions of PLC and the coordination of software and hardware to achieve accurate positioning.
For example, in a precise positioning control system for cylinders, a closed-loop control system is composed of PLC, solenoid valve, grating ruler, and cylinder.
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