DTU Data Transfer Unit, Modbus RS485

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$199.89

Ex Tax: $199.89

Stock: In Stock
Model: RDDLZ-DTFU-E8
Weight: 1.00
SKU: RDDLZ-DTFU-E8

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Features

Supports 2-channel switch value input and 2-channel relay output. Modbus RTU protocol data processing.
Use 433MHz frequency for wireless data remote transmission.
4 working modes: wireless control acquisition mode, wireless follow-up transmission mode, wireless follow-up reception mode, and configuration mode. Select by DIP switch.
RESET touch reset button. Press and hold for 5s in wireless control acquisition mode, the Modbus address is restored to the default address 01.
Built-in efficient watchdog with high reliability and stability.
Power supply has good functions of preventing over-current, over-voltage, and reverse connection.

Note: Before purchasing, please confirm that the frequency band used by the device complies with local laws and regulations.

Specification

Model	RDDLZ-E820-DTU (2I2-433L)	RDDLZ-E830-DTU (2R2-433L)
Acquisition Range	4-20mA	Switch Value/Digital Value
Acquisition Channels	2-channel	2-channel
Transmission Distance	8km	8km
RF Specifications
Standard Frequency	433MHz	426MHz
TX Power	1W	1W
Hardware Specifications
Operation Temperature	-20℃~+70℃	-40℃~+70℃
Storage Temperature	-40℃~+85℃	-40℃~+85℃
Operation Humidity	5%~95%
Storage Humidity	1%~95%
Operation Voltage	8V~28V
Current Collecting Range	0mA~20mA	-
Current Output Range	0mA~20mA	-
Relay Output	-	5A 30VDC/5A 250VAC
Accuracy	0.2%
Data Interface	RS485: 9600bps
Size (HWD)	120mm105mm25mm
Certification	CE, CCC
Soft Specifications
Operation Mode	Following TX, Following RX, Controlling/Collecting, Configuration
Configuration Command	Modbus RTU
Download Attachments	E820-DTU User Manual

Dimension and Interface Description (Unit: mm)

Tips: What is data transfer unit (DTU) ?

Data transfer unit (DTU) is a wireless terminal device, it is used to convert serial data into IP data or convert IP data into serial data. It is transmitted through wireless communication network. DTU is widely used in industry, meteorology, hydrology and water conservancy, geology and other industries.

Data transfer unit hardware components mainly include CPU control module, wireless communication module and power module. Its advantages include rapid and flexible networking, short construction period, low cost, wide network coverage, good security and confidentiality performance, link support always online and low user cost, etc.

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