IC660BBD025 module American GE Fanuc General Electric original automation equipment
Brand ABB Color Standard Application Industrial height 347mm rated current 457mA
Protection level IP45 Suitable for motor power 126KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part Number IC660BBD025
Applicable pipe 2 Whether imported is weighing 4.68 kg can be sold nationwide
IC660BBD025 module American GE Fanuc General Electric original automation equipment
Programmable controller is an industrial control computer, its operating principle is basically the same as the computer operating principle, that is, through the implementation of the user program reflecting the control requirements to achieve.
plc is the choice of “sequential scanning, continuous cycle” method to work. That is, when the PLC is running, the CPU starts from the instruction, performs the user program one by one in order until the end of the user program, and then returns the instruction to start a new round of scanning. The operation process of PLC includes five stages: internal processing, communication processing, input processing, program performance and output processing. The time taken by a full process scan is called the scan cycle or job cycle.
In the internal processing stage, the PLC checks whether the hardware inside the CPU module is normal.
In the communication processing stage, the CPU automatically detects the status of each communication interface and processes the communication request.
PLC has two operating conditions, namely STOP (STOP) condition and RUN (RUN) condition. When the PLC is in the STOP state, only internal processing and communication processing operations are completed. When the PLC is in the RUN state, there are three other stages to complete.
When the CPU processes the program, the input signal is not read directly from the input point, and the calculation result is not directly sent to the actual output point. In the memory of PLC, two image registers are set up: input image register and output image register, which are used to store the status of input signal and output signal. Input map register and output register are I/O map register.
IC660BBD025 module American GE Fanuc General Electric original automation equipment
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