Does this device support node addresses on the rs485 network? seems not, so how do i address a particular device?

Your RS-485 end device has to handle the addressing. This device simple converts RS-232 to RS-485. Any RS-485 devices hanging on the other end have to have their own addressing scheme via the protocol you're using.

Does it work with modbus ascii rs485 devices?

Yes, this RS-232 to RS-485 adapter works for modbus ascii rs485 devices. If there is any usage issue, please feel free to contact us via the order anytime.

Does the baud rate auto-detect work if the RS232 side listens only (no transmission)?

Only there is signal transmission between RS232 and RS485, the baud rate will be auto detected.

Does this do 485 to 232?

Yes, I used this converter for Modbus communication from rs-485 to rs-232.

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DTECH RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge

DTECH RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge

Product ID: 26826118

Details

Color
Black
Compatible Devices
RS232 devices
Connector Type
rs232 to rs485
Item dimensions L x W x H
3.5 x 1.3 x

⚡600W surge protection

📡4000ft industrial range

🔄auto RX-TX control

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VT4637

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Details

Color
Black
Compatible Devices
RS232 devices
Connector Type
rs232 to rs485

Description

⚙️ Power your industrial network with surge-proof, long-range precision!

BUILT IN 600 W SURGE GUARD - Protect your critical equipment from damaging voltage spikes and transient surges effortlessly.
COMPACT POWER EFFICIENT - Miniature design powered directly from RS232 lines—no external power needed, perfect for tight spaces.
LONG HAUL INDUSTRIAL REACH - Seamlessly connect devices up to 4000ft (1200m) for robust, noise-resistant communication.
MULTI DEVICE NETWORK READY - Link up to 32 RS485 devices on a single bus for scalable, efficient industrial communication.
PLUG AND PLAY AUTO CONTROL - Experience zero hassle with automatic RX-TX switching—no drivers, no delays, just instant connectivity.

The DTECH RS232 to RS485 Serial Converter is a commercial-grade adapter designed for industrial long-haul communication up to 4000ft. It supports up to 32 devices on a single RS485 bus with automatic RX-TX control and a fast baud rate of up to 115.2kbps. Featuring a built-in 600W transient voltage suppressor, it safeguards connected equipment from surges and lightning. Compact, bus-powered, and plug-and-play, this converter is ideal for industrial automation, CNC, PLC, and other professional environments requiring reliable, scalable serial communication.

Specifications

ASIN	B01CXY9S6M
Best Sellers Rank	#118 in Serial Adapters
Brand	DTECH
Color	Black
Compatible Devices	RS232 devices
Connector Type	rs232 to rs485
Customer Reviews	4.5 out of 5 stars 286 Reviews
Input Voltage	9 Volts
Item Dimensions	3.5 x 1.3 x 0.7 inches
Item Weight	1.12 ounces
Item dimensions L x W x H	3.5 x 1.3 x 0.7 inches
Manufacturer	Guangzhou DTECH Electronics Technology Co.,Ltd
Mfr Part Number	DT-9000
Model Number	DT-9000
Number of Items	1
Number of Ports	2
Package Quantity	1
Power Plug Type	No Plug
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	data communication, CNC, PLC, Desktop computer, Laptop, Raspberry Pi, POS, controller, building automation system, card reader, industrial control unit Modbus Specific Uses For Product data communication, CNC, PLC, Desktop computer, Laptop, Raspberry Pi, POS, controller, building automation system, card reader, industrial control unit Modbus See more
UPC	792625939840 600649504664 714131652402
Unit Count	1.0 Count
Warranty Description	365 days after the date of the purchase
Warranty Type	Limited

Reviews

T**E

6.12.2019

J**A

28.08.2024

J**R

19.03.2024

J**G

1.12.2016

D**W

26.03.2022

B**R

15.05.2022

H**Y

26.02.2020

C**H

29.06.2018

A**1

6.08.2022

K**R

1.02.2024

A**R

14.09.2022

D**E

26.08.2024

V**I

17.11.2019

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