Ethernet RS485 Modbus Relay RTU E851-RTU(4440-ETH) Io Module 12-Channel Network IO Controller

★★★★★ 4.9 115 reviews

US$39.16
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by ultumnaturesystems.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$39.16
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 17
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by ultumnaturesystems.com
Free 30-day returns Details

Product details

Management number 220358326 Release Date 2026/05/03 List Price US$39.16 Model Number 220358326
Category
  • Basic Function -E851-RTU (4440-ETH) is a network IO product that supports 4 digital inputs (default dry contact), 4 differential analog inputs, and 4 relay outputs, and it supports Modbus TCP/RTU protocol. The product is highly easy to use and users can easily and quickly be integrated into your own system for Ethernet-based remote control.
  • Analog, digital and relay integrated machine -Industrial quality, simple and easy to use convenient and fast to achieve data acquisition and control functions.
  • Two working modes of master and slave -Master mode In the master mode, device cascading functions and data transfer between the 485 bus and the network can be realized. Slave mode In the slave mode, the device can directly connect to the device in the master mode through the 485 bus, and the network can also access the data of the slave through the master when the slave is not connected to the network.
  • Support Socket connection to remote server .Support TCP Client. Socket connection to remote server
  • Data processing with Modbus TCP / RTU protocol Automatically identify the RTU/TCP protocol transmitted by the device and reply to the corresponding protocol.
Brand CDBAIRUI
Manufacturer CDBAIRUI
Model Number E851-RTU
Mfr Part Number 0303040100000012
Number of Ports 12
Number of Ethernet Ports 1

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.9 out of 5
★★★★★
115 ratings | 47 reviews
How item rating is calculated
View all reviews
5 stars
89% (102)
4 stars
1% (1)
3 stars
0% (0)
2 stars
0% (0)
1 star
10% (12)
Sort by

There are currently no written reviews for this product.