E95-DTU(400SL22-485)
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual Contents 1. Introduction ............................................................................................................................................................. 3 1.1 Brief Introduction .......................................................................................................................................... 3 1.2 Features .......................................................................
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 1. Introduction 1.1 Brief Introduction E95-DTU (400SL22-485) is a wireless data transmission DTU that uses military-grade LoRa modulation technology. It has a variety of transmission methods. It works in the 433MHz. The DTU provides a transparent RS485 interface, plastic shell, rail type installation structure, support 8-28V voltage input.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 1.3 Quick Start ① Prepare two E95-DTU (400SL22-485) ② First install the antenna for the digital DTU, and then install the power supply. The user selects the power adapter for power supply according to the needs. ③ Use USB to RS-485 or other methods to connect the computer to the digital DTU; Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.
Chengdu Ebyte Electronic Technology Co.,Ltd ④ E95-DTU(400SL22-485) User Manual Start two serial port debugging assistants, select the serial port baud rate to be 9600bps (default), and the check method to be 8N1 to make serial port transparent transmission; ⑤ If the customer needs to switch the working mode, it can be controlled by the Mode button to switch between different working modes (M0 indicator, M1 indicator). Press and hold the Mode button for about 1 S and then release it to switch modes.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 1.4 Parts Description No.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 1.5 Size Unit: mm 2. Interface Description 2.1 Power interface description E95-DTU can be powered by 8～28V DC power supply, it is recommended to use 12V or 24V DC power supply. The wiring port adopts wiring terminal (2 Pin) connection. Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 2.2 Communication interface description E95-DTU can use 3.81 terminal block to connect with equipment through RS-485. No.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 3. Technical Index 3.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 3.5 Air speed class Default Air Model Rate Air Speed Class Level bps E95-DTU(400SL22-485) ★ 2.4k bps 8 0.3、1.2、2.4、4.8、9.6、19.2、38.4、62.5k Note: The higher the air speed setting, the faster the transmission rate and the shorter the transmission distance; therefore, when the speed meets the requirements of use, it is recommended that the airspeed be as low as possible. 3.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 4. Function Details 4.1 Fixed-point transmission (hexadecimal) 4.2 Broadcast transmission (hexadecimal) Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 4.3 Broadcast address Example: Set the address of DTU A to 0xFFFF and the channel to 0x04. When DTU A is used as a transmitter (same mode, transparent transmission mode), all receiving DTU under the 0x04 channel can receive data to achieve the purpose of broadcasting. 4.4 Listening address Example: Set the address of DTU A to 0xFFFF and the channel to 0x04.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 5.2 WOR mode (mode 1) Type Sending Receiving When the M0 indicator light is on and the M1 indicator light is off, the DTU is working in mode 1 When defined as the transmitter, the wake-up code for a certain period of time will be automatically added before transmission Data can be received normally, and the receiving function is equivalent to mode 0 5.
Chengdu Ebyte Electronic Technology Co.,Ltd No. E95-DTU(400SL22-485) User Manual Instruction Format Detailed Description Command: C0+start address+length+parameter C1+start address+length+parameter 1 Set Register Example 1: Configure the channel as 0x09 Instruction Start Address Length Parameter Send： C0 05 01 09 Return： C1 05 01 09 Example 2: Configure the radio address (0x1234), network address (0x00), serial port (9600 8N1), airspeed (1.
Chengdu Ebyte Electronic Technology Co.,Ltd 02H 03H Read/Write Read/Write NETID REG0 E95-DTU(400SL22-485) User Manual NETID（Default 0） Network address, used to distinguish networks; When communicating with each other, they should be set to the same.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual The relationship between power and current is non-linear, and the power supply has the highest efficiency at maximum power; The current will not decrease in the same proportion as the power decreases.
Chengdu Ebyte Electronic Technology Co.,Ltd 1 1 E95-DTU(400SL22-485) User Manual 1 07H Write CRYPT _H High byte of key 08H Write CRYPT _L Low byte of key Read PID 4000ms (default 0) (default 0) Only write, read returns 0; Used for encryption to avoid interception of wireless data in the air by similar DTUs; The DTU will use these two bytes as a calculation factor to transform and encrypt the air wireless signal. 80H ～ Product information 7 bytes Product information 7 bytes 86H 7.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual ②Secondary relay The ADDH\ADDL of relay 2 are 33 and 05 respectively. So, Relay 2 can forward the data of Relay 1 to the network NETID: 05. Therefore, node 3 and node 4 can receive node 1 data. Node 4 normally outputs data, and node 3 has a different address from node 1, so no data is output.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual In the configuration of the host computer, the DTU address, frequency channel, network ID, and key are all in decimal display mode, and the value range of each parameter: Network Address: 0～65535 Frequency Channel: 1 Network ID：0～255 Key: 0～65535 When using the host computer to configure the relay mode, the user needs to pay attention.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 10. Connection Diagram in Test and Practical Application 11. Related Products Model E95-DTU(400SL30-485) Interfac e Type RS485 Transmit Frequency Hz power dBm 410.125/493.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 12.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual 13. Precautions for Use 1. Please take good care of the warranty card of the device. The warranty card contains the factory number (and important technical parameters) of the device, which has important reference value for the user's future maintenance and new equipment. 2.
Chengdu Ebyte Electronic Technology Co.,Ltd E95-DTU(400SL22-485) User Manual Important Statement 1. Ebyte reserves the right of final interpretation and modification of all contents in this manual. 2. Due to the continuous improvement of product hardware and software, this manual may be changed without prior notice. The latest version of the manual shall prevail. 3.
FCC Statement: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
