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ICP DAS USA tGw-735 User Manual

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Tiny Modbus/TCP to RTU/ASCII Gateway
Copyright © 2020 ICP DAS CO., Ltd. All Rights Reserved. - 29 -
RS-422 Wiring
RS-485 Wiring
Notes:
1. Usually, you have to connect all signal grounds of RS-422/485 devices together to reduce common-mode
voltage between devices.
2. Twisted-pair cable must be used for the DATA+/- wires.
3. Both two ends of the cable may require a termination resistor connected across the two wires (DATA+ and
DATA-). Typically 120 Ω resisters are used.
4. The Data+ and B pins are positive-voltage pins, and Data- and A pins are negative-voltage pins in the above
figure. The B/A pins may be defined in another way depending on devices, please check it rst.

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ICP DAS USA tGw-735 Specifications

General IconGeneral
BrandICP DAS USA
ModeltGw-735
CategoryControl Unit
LanguageEnglish

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