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E95/E96-DTU(433Lxxx)

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Summary of Contents for 433L20P-232

Page 1: ...E95 E96 DTU 433Lxxx ...

Page 2: ...ations 9 3 3 Frequency range and channel number 9 3 4 Transmit power level 9 3 5 Air speed class 9 3 6 Current parameter 10 3 7 Sending and receiving length and sub packing method 10 4 Function Details 11 4 1 Point to Point transmission hexadecimal 11 4 2 Broadcast transmission hexadecimal 11 4 3 Broadcast address 12 4 4 Listening address 12 5 Operating Mode 12 5 1 Transparent transmission mode mo...

Page 3: ...ther ways whether express or implied The test data obtained in the article are all obtained by the Ebyte laboratory and the actual results may vary slightly All brand names trademarks and registered trademarks mentioned in this article are the property of their respective owners and it is hereby declared The final interpretation right belongs to Chengdu Ebyte Electronic Technology Co Ltd Note The ...

Page 4: ...s Adopt military grade LoRa modulation technology with data encryption and the packet length can be set Adopt flame retardant plastic shell guide rail type installation structure convenient and efficient installation Hidden buttons are used to switch working modes to avoid false triggers and the equipment is more reliable in operation Simple high efficiency power supply design support power supply...

Page 5: ...r Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 2 1 3 Quick Star wo E95 E96 DTU 433Lxxx 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 ...

Page 6: ... 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 Hold and press the Mode button for 1 second and release it to switch the mode once The mode switching details are shown in the table below No Type M1 M0 Description Mod...

Page 7: ...an be programmed using the configuration software Note The DTU has a power down save mode function the factory default setting is transparent transmission mode the user needs to switch the corresponding mode according to the M1 and M0 indicators effective immediately 1 4 Parts Description 1 4 1 RS485 Interface No Name Function Description 1 Mode Mode switch button Working mode switching control 2 ...

Page 8: ...cator 1 4 2 RS232 Interface No Name Function Description 1 Mode Mode switch button Working mode switching control 2 ANT RF interface SMA K external thread inner hole 3 DC Power connector DC power input port pressure line port 4 RS232 RS232 communication port Standard RS232 interface 5 PWR Power Indicator Lights up when the power is on 6 TXD Send indicator Flashes when sending data 7 RXD Receive in...

Page 9: ...nology Co Ltd 6 1 5 Size 2 Interface Description 2 1 Power interface description E95 E96 DTU 433Lxxx can be powered by 8 28V DC 85 265V AC power supply The wiring port is connected by a wiring terminal 2 Pin 2 2 Communication interface description E95 DTU can be connected to the equipment through RS 485 using terminal blocks ...

Page 10: ...5 RX RS232 bus RX interface RS232 interface RX interface is connected to the TX interface of the device Note When the radio is connected to multiple devices the communication is not smooth but there is no such phenomenon in a single device Please try to connect a 120Ω resistor in parallel between the 485_A terminal and the 485_B terminal 3 Technical Index 3 1 Model specifications Model Working Fre...

Page 11: ...441 30 8 LoRa Spread spectrum anti interference DC power supply Isolated version Suitable for small data volume long distance application high protection E95 DTU 433L30P 23 2 410 441 30 8 LoRa Spread spectrum anti interference DC power supply Isolated version Suitable for small data volume long distance application high protection E96 DTU 433L20 485 410 441 20 3 LoRa Spread spectrum anti interfere...

Page 12: ...hannel Spacing Number of Channels Hz Hz Hz E95 E96 DTU 433Lxxx 433M 410 441M 1M 32 Half Duplex Note In the same area multiple groups of digital DTUs are used for one to one communication at the same time It is recommended that each group of digital DTUs set the channel spacing above 2MHz 3 4 Transmit power level Model 20dBm 30dBm 17dBm 27dBm 13dBm 24dBm 10dBm 21dBm E95 E96 DTU 433Lxxx Factory Defa...

Page 13: ...0 of the current margin when selecting the power supply which is conducive to the long term stable operation of the DTU 3 7 Sending and receiving length and sub packing method Model Cache Size Sub packing Method E95 E96 DTU 433Lxxx 512 bytes Auto sub packing 197 bytes Note 1 If the DTU s single received data is greater than the single packet capacity the excess data will be automatically allocated...

Page 14: ...onic Technology Co Ltd E95 E96 DTU 433Lxxx User Manual Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 11 4 Function Details 4 1 Point to Point transmission hexadecimal 4 2 Broadcast transmission hexadecimal ...

Page 15: ...if normal communication is required The default setting of the DTU at the factory is transparent transmission mode mode 0 No Type M1 M0 Description Mode 0 Transparent transmission mode Light Off Light Off Serial port open wireless open transparent transmission factory default mode Mode 1 WOR Mode Light Off Light On WOR transmission mode data packet comes with wake up code Mode 2 Power Saving Mode ...

Page 16: ...nsmission mode data packet comes with wake up code 5 3 Power Saving mode mode 2 Type When the M0 indicator light is off and the M1 indicator light is on the DTU is working in mode 2 Description WOR receiving mode saving its own receiving power consumption this mode cannot transmit 5 4 Configuration mode mode 3 Type When the M0 indicator light is on and the M1 indicator light is on the DTU is worki...

Page 17: ... figure shows the display interface of the E95 E96 DTU 433Lxxx configuration host computer The user can switch to the configuration mode through the MODE button and quickly configure and read the parameters on the host computer 7 Program the DTU Operating Mode M1 M0 Remark Configuration mode Light On Light Off Only use the configuration software to program the DTU in the current mode ...

Page 18: ...1 20 3 Cost effective LoRa rail type RS485 E90 DTU L series intercommunication DC power supply E95 DTU 433L20 232 RS232 410 441 20 3 Cost effective LoRa rail type RS232 E90 DTU L series intercommunication DC power supply E95 DTU 433L30 485 RS485 410 441 30 8 Cost effective LoRa rail type RS485 E90 DTU L series intercommunication DC power supply E95 DTU 433L30 232 RS232 410 441 30 8 Cost effective ...

Page 19: ... mines or explosive dangerous objects such as detonators for detonation 4 A suitable DC stabilized power supply should be selected which requires strong anti high frequency interference small ripple and sufficient load capacity preferably it should also have over current over voltage protection and lightning protection functions to ensure that the DTU is normal jobs 5 Do not use it in a working en...

Page 20: ...anual may be changed without prior notice The latest version of the manual shall prevail 3 It is everyone s responsibility to protect the environment In order to reduce the use of paper this manual only prints the Chinese part and the English manual only provides electronic documents If necessary please download it from our official website in addition if not specifically requested by the user the...

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