產品詳情
TRICONEX 3708EN 隔離熱電偶模塊


3708EN描述:
●采用“負邏輯”——輸出端用+5V~+15V表示[邏輯0],-5V~-15V表示[邏輯1]。
●采用“單端驅動”——通過數據發送端[TD]輸出驅動電平,并以信號地GND為參考點。
●采用“單端接收”——通過數據接收端[RD]輸入接收電平,并以信號地GND為參考點。
3708EN三線制——能實現[點對點雙向通信],需要3根通信線,主方的數據發送端[TD]與從方的數據接收端[RD]相連,主方的數據接收端[RD]與從方的數據發送端[TD]相連,兩方的信號地[GND]直接相連。
3708EN使用注意事項——RS232串口不能直接與RS485串口相連——因為它們的電氣標準不相同;市面上提供各種串口轉換器,必須通過轉換器才能連接。另外,不要帶電插撥串口,插撥時至少有一端是斷電的,否則容易損壞串口
3708EN To realize [point-to-point two-way communication], three communication lines are required. The data transmitting end [td] of the master party is connected with the data receiving end [Rd] of the slave party, the data receiving end [Rd] of the master party is connected with the data transmitting end [td] of the slave party, and the signal ground [GND] of the two parties is directly connected.adopt "single terminal reception" -- b the reception level through the data receiving terminal [Rd] and take the signal ground GND as the reference point.
3708EN serial port cannot be directly connected with RS485 serial port - because their electrical standards are different; Various serial port converters are available on the market, which must be connected through the converter. In addition, do not plug and dial the serial port with power. At least one end is powered off when plugging and dialing, otherwise it is easy to damage the serial port.

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