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3. Interface definition
4.1 Power interface
Users can choose
⑥
DC power interface,using the power adapter supply with the interface of the 5.5mm outer
diameter , 2.5mm diameter ;
Also users can choose the VCC and GND terminal power supply from
②
, both are optional
;
8 ~ 28V DC power supply, it is recommended to use 12V or 24V DC power supply for E90-DTU.
4.2 RS232
The E90-DTU can be connected to the device via RS-232 using the standard DB-9 interface.
4.3 RS485
E90-DTU can be connected to the 485_A terminal and 485_B terminal from
②
with the RS-485 A terminal and B
terminal of other device respectively.
Содержание 400SL37
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