Ebyte E34-DTU User Manual
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Chengdu Ebyte Electronic Technology Co.,Ltd. E34-DTU (2G4H20) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 74. Interface Defination4.1. Power interface definitionUsers can choose ⑥ DC power interface, using the power adapter supply with the interface of the 5.5mm outerdiameter , 2.5mm diameter ;Also choose the VCC and GND terminal power supply, only choose any one of the power supply is OK;E34-DTU can use 10~ 28V DC power supply, but it is recommended to use 12V or 24V DC power supply.4.2. RS232 Interface definitionThe E34-DTU can be connected to the device via RS-232 using the standard DB-9 interface.4.3. RS485 Interface definitionE34-DTU can connect the 485_A terminal and 485_B terminal with the device RS-485 A terminal and B terminal.★Pin NO. Definition Function Description1 VCC Crimping power interface, positive 10~ 28V DC, recommended 12V or 24V2 GND Crimping power interface, negative The power supply negative pole is connected to the sy stemground and the housing3 485_B RS-485 interface, interface B The RS-485 interface B is connected to the device interface B4 485_A RS-485 interface, interface A The RS-485 interface A is connected to the device interface A |
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