PW301 Hardware Adaptation Circuit


Technical Parameters:

  • CPU with 7 communication ports and LCD display
  • Serial ports for master/slave or custom device connections
  • USB local I/O expansion, Ethernet remote I/O
  • Plenty of discrete and analog I/O modules, display on analog modules
  • Easy drive integration
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Simon Zhang
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PW301 Hardware Adaptation Circuit

The PW301 communication programs are designed using off-the-shelf programming software, and their main function is to send on-line requests and receive on-line permission signals. These communication procedures are not independent, it needs to be matched with the hardware adaptation circuit of the bus network, and only when they work together can they achieve resource sharing and optimal management.

The hardware design of PW301 is to design the bus adapter circuit that can realise resource sharing and allocation management. The bus adapter circuit consists of two parts, one is the microcontroller polling circuit and the other is the resource sharing circuit. The main work to be done by the bus adapter circuit is: the AT89C51 microcontroller as the control station uses the polling method to

PW301 through the RS-232C bus to receive the PC issued by the on-line application signal and on-line machine number and other information, the microcontroller by the program analysis to the PC issued by the PC to allow the on-line signal, and send instructions to connect the PC to connect the PLC control signal line, then you can be in the PC has been programmed through the bus RS-232C downlinked to the PLC, PLC to achieve resource sharing. Resource sharing of PLC.