MAX485是RS-485的驱动芯片,可以实现RS-485电平和TTL电平之间的转换。MAX485的参数与SN75176相同。CD4019是2选1数据选择器,因为单片机AT8 RS-485/RS-232接口电路的主要作用是实现RS-485电平和RS-232电平之间的转换,如下图: 图1 RS-485/RS-232接口电路 MAX232是RS的驱动芯片,可实现RS-232电平和TTL电平之间的转换...
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The RS232 bus signal and RS485 bus signal conversion circuit provided by the utility model is suitable for a part air flow test system, can replace an imported converter so as to reduce the cost, and is capable of shortening a maintenance period and ensuring the normal operation of the ...
What is a RS232 to RS485 converter and how is it used? How do I choose the right model and how do I connect it? What to look for when shopping for a RS232 to RS485 converter
2. Unique design, no exposed circuit board. Traditional RS23/485 converter, RS485 this end uses DB9 terminal, this way will expose the circuit board, not only not good looking but also easy to leak, corrosion. ZLAN9223E adopts integral housing, terminal type RS485 connection and flange inst...
RS232 RS485 Interface 3kVA Programmable Frequency Converter 40Hz to 499.9Hz, Find Details and Price about Power Frequency Converter 60Hz 50Hz Convert 60Hz to 50Hz Power from RS232 RS485 Interface 3kVA Programmable Frequency Converter 40Hz to 499.9Hz - SH
RS232 TO RS485/422USB TO 4CH Serial Converter RS485 - A+Port C - TA RS485 - B-Port C - TB RS485 - GNDPort C - GND RS232 - RXDPort D - TXD RS232 - TXDPort D - RXD RS232 - GNDPort D - GND Software Operation Open two SSCOM interfaces. ...
一种用于串口调试RS232接口转RS485接口的转换器,包括一个转换器壳体,转换器可以内部设置有RS232转RS485的转换电路,在壳体的前端连接一个可以转动的旋转接头,旋转接头上设有A,A′,B,B′四个可以交替导通与转换电路连接的接头,A,A′,B,B′四个接头连接一个带有四孔的插座. An RS232 interface to RS485 seria...
1The OMG-CONV-485 interface converter allows a standard RS232 port to communicate with an individual RS422 device or with multiple devices within an RS485 network. The OMG-CONV-485 supports RS422 full duplex mode as well as RS485 full or half-duplex master and slave modes. This gives the...
I2C (Inter-Integrated Circuit): 一种同步多主多从串行通信协议,常用于低速设备间的短距离通信。 使用两根信号线(SDA和SCL)进行数据传输和时钟同步。 RS-232: 一种早期的串行通信标准,通常用于计算机与外部设备(如调制解调器和打印机)之间的连接。 使用单端信号传输,支持较长的传输距离。