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Chengdu Ebyte Electronic Technology Co., Ltd.

E90-DTU(400SL30P)

Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co., Ltd

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4. Interface definition

4.1 Power interface

Users can choose

⑥

DC power interface,using the power adapter supply with the interface of the 5.5mm outer

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Summary of Contents for E90-DTU

Page 1: ...成都亿佰特电子科技有限公司 E90 DTU 400SL30P 用户使用说明书 Copyright 2012 2019 成都亿佰特电子科技有限公司 E90 DTU 400SL30P ...

Page 2: ...ion Description 16 6 1 Fixed Transmission Hexadecimal 16 6 2 Broadcast Transmission Hexadecimal 17 6 3 Broadcast Address 17 6 4 Monitor Address 17 7 1 Normal mode Mode 0 18 7 2 Wor sending mode Mode 1 18 7 3 WOR receiving mode Mode 2 18 8 Relay networking mode 19 9 Configuration instructions on computer 21 9 1 Configuration considerations 21 9 2 Factory default parameters 21 9 3 Configuration soft...

Page 3: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 2 Important statement 34 Revision history 34 About us 34 ...

Page 4: ...ion is meaningless through strict encryption and decryption algorithms the packet length setting is supported and different real time and data packets are supported As a communication medium wireless digital radio has the same scope as optical fiber microwave and bright line it provides real time and reliable data transmission of monitoring signals in private networks under certain special conditi...

Page 5: ...or read wireless module parameters by sending command packets wirelessly Support communication key function to effectively prevent data from being intercepted Multi level relay networking can be realized which effectively extends communication distance for ultra long distance communication With temperature compensation circuit the frequency stability is better than 1 5PPM Operating temperature ran...

Page 6: ...h power DTUs should be more than 1 meter otherwise it may cause damage 1 First install the antenna for the digital radio station and then use USB to RS 232 or USB to RS 485 to connect the computer to the digital radio station The computer opens the host computer software selects and opens the serial port and clicks to search for the device at this time the host computer The status bar shows Establ...

Page 7: ...ser manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 6 2 Then plug in the radio power and the device will automatically connect with the host computer the status bar of the host computer will display The configuration connection is successful ...

Page 8: ...tablished you can use the host computer to configure the parameters of the radio or remotely configure other module radios Please read the parameters before configuration After selecting the parameters that need to be set and clicking the write parameter button the parameters can be written into the radio and it will take effect after exiting the configuration mode ...

Page 9: ...hnology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 8 3 After the parameters are configured click the exit button the radio will exit the connection and work according to the ...

Page 10: ...working mode and parameters no need to restart the radio 4 Communication test start two serial port debugging assistants select the serial port baud rate and verification method that are consistent with the radio parameters and then realize the serial port transparent transmission note the parameters of the two radios need to be set the same ...

Page 11: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 10 ...

Page 12: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 11 3 Dimensions 3 1 Parts description ...

Page 13: ...power input negative Power reference ground 5 DC IN Crimping power input positive Power input 6 DC IN stand DC socket 5 5 2 1mm Power input 7 PWR LED Power Indicator Red lit when the power is on 8 TX RX LED Data sending and receiving indicator Green blinking when sending data Blue blinking when receiving data 9 MODE LED Status Indicator Cyan light on transparent transmission mode Blue light on WOR...

Page 14: ... E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 13 4 Interface definition 4 1 Power interface Users can choose DC power interface using the power adapter supply with the interface of the 5 5mm outer ...

Page 15: ... terminal and 485_B terminal to connect RS 485 A terminal and B terminal of the device respectively Pin NO Definition Function Description 2 485_A RS 485 interface A interface The RS 485 interface A is connected to the device interface A 3 485_B RS 485 interface B interface The RS 485 interface B is connected to the device interface B 4 GND Crimping power interface negative The power supply negati...

Page 16: ...em Value Note 1 Size 108 75 37mm See more in 3 Dimensions 2 Weight 237 8g 4 5 g 3 Temperature 40 85 Meet industrial request 4 Antenna impedance 50Ω Standard 50 Ω characteristic impedance 5 Supply voltage 8 28V DC It is recommended to use 12V or 24V 6 Communication interface RS232 RS485 Standard DB9 hole 3 81 terminal block 7 Baud rate Default 9600 From 1200 115200 8 Address Default 0 65536 configu...

Page 17: ...nt mA Standby current mA E90 DTU 400SL30 P 8 436 60 12 288 42 24 149 23 28 130 20 Note It is recommended to retain more than 50 of the current margin when selecting the power supply which will help the data transceiver to work steadily for a long time 5 7 TX and RX FIFO and sub packing method Model No Buffer Sub packing method E90 DTU 400SL30P 1000 字节 Can be sub packed to 32 64 128 240 byte each t...

Page 18: ...mission Hexadecimal 6 3 Broadcast Address For example Set the address of module A as 0xFFFF and channel as 0x04 When module A is the transmitter same mode transparent transmission all modules under channel 0x04 will receive the data the purpose of broadcast is realized 6 4 Monitor Address For example Set the address of module A as 0xFFFF and channel as 0x04 ...

Page 19: ...ote if there is no need for low power consumption there is no need to care about the wor receiving mode mode 2 7 1 Normal mode Mode 0 Type Software configuration module working in mode 0 Transmitting The user can input data through the serial port and the module will start the wireless transmission Receiving The wireless receiving function of the module is turned on and the wireless data will be o...

Page 20: ...he relay can forward data in both directions between two NETIDs 2 In relay mode ADDH ADDL is no longer used as the module address and is forwarded and matched as NETID 3 In the relay mode please do not send more than the set single packet sub byte As shown in the figure Primary relay Node 1 has a NETID of 08 Node 2 has a NETID of 33 ADDH ADDL of relay 1 is 08 and 33 respectively So the signal sent...

Page 21: ... computer is a decimal display mode the module address and network ID need to be converted when filling in For example if the network ID entered by the transmitting end A is 02 and the network ID entered by the receiving end B is 10 when the relay end R sets the module address it will convert the hexadecimal value 0X020A to a decimal value 522 as the relay end R to fill Module address That is the ...

Page 22: ...enter the working mode after the self test time the digital radio status light will show different colors according to different working modes and the configuration software cannot search at this time device If you need to reconfigure you can only reconnect the power so that the device enters the configuration mode in the self test state 9 2 Factory default parameters model Frequency Address Chann...

Page 23: ...rs 2 Remote configuration See Figure 2 below It is used to remotely configure or read the parameters of other radio stations or E22 modules The configured radio stations or modules are required to be in transparent transmission mode and enabled by wireless configuration Consistent with own station Immediately after configuration 3 RSSI real time monitoring Note During remote configuration if the a...

Page 24: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 23 Local configuration ...

Page 25: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 24 Remote configuration ...

Page 26: ...yte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 25 RSSI real time monitoring 9 4 Configuration parameter description of upper computer ...

Page 27: ...ving Usually in sleep periodically wake up to detect if there is data if yes receive data and then go to sleep after processing Used with the WOR send mode 4 Configured wirelessly No default DTU cannot be wirelessly configured by other modules or radios Yes DTU can be wirelessly configured by other modules or radios 5 reset Click Click the Restore Factory Settings button the parameters of the modu...

Page 28: ...d when it reaches 2 seconds 14 Air speed 0 3 Kbps The air speed of both communication parties must be the same The higher the air speed the smaller the delay and the shorter the transmission distance 1 2 Kbps 2 4 Kbps default 4 8 Kbps 9 6 Kbps 19 2 Kbps 38 4 Kbps 62 5 Kbps 15 Module power Off default Module transmit power Power and current are non linear and the power supply has the highest effici...

Page 29: ...dress low channel and use it as a wireless transmission target 20 Channel RSSI turn on turn on After being enabled the C0 C1 C2 C3 instruction can be sent to read the register in the transmission mode or the WOR transmission mode Register 0x00 current ambient noise RSSI Register 0X01 RSSI when data was last received Instruction format C0 C1 C2 C3 start address read length Return C1 address read le...

Page 30: ...td 29 10 Programming the modem 10 1 Connection diagram 1 Configuration can only be performed within 3 seconds after power on If it fails please confirm whether it has entered configuration mode 2 If no complicated programming is needed to open the E90 DTU SL digital radio configuration software you can modify the relevant parameters ...

Page 31: ...Chengdu Ebyte Electronic Technology Co Ltd E90 DTU 400SL30P User manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 30 11 Connection diagram in test and practical application ...

Page 32: ...ing transmission long distance anti inference E90 DTU 900SL 30 RS232 RS485 868 915M 1 10 LoRa wireless configuration networking transmission long distance anti inference E90 DTU 170L3 0 RS232 RS485 170M 1 8 LoRa super strong penetration diffraction E90 DTU 433L3 0 RS232 RS485 433M 1 8 LoRa long distance anti interference E90 DTU 433L3 7 RS232 RS485 433M 5 20 LoRa 20km ultra long distance anti inte...

Page 33: ...rmation power load monitoring distribution network automation hydrological and hydrological forecasting water pipe network monitoring urban street lamps Monitoring air defense alarm control railway signal monitoring centralized control of railway water supply oil supply pipe network monitoring GPS system remote meter reading electronic crane automatic reporting seismic forecasting fire prevention ...

Page 34: ...ield or dusty environment Do not let the data transceiver continuously be in full load transmission state otherwise the transmitter may be burned out The ground wire of the data transceiver should be well connected with that of the external equipment such as PC PLC etc and of the power supply Otherwise it is easy to burn the communication interface do not plug or unplug the serial port when electr...

Page 35: ...des electronic documents if necessary please go to our official website to download in addition if the user does not require special when the user orders in bulk We only provide product specifications according to a certain percentage of the order quantity Not every digital radio station is equipped with one by one please understand Revision history Version Date Description Issued by 1 0 Initial v...

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