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，

Chengdu Ebyte Electronic Technology Co.,Ltd.

E841-DTU

（

EC03-485

）

User manual

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

3. Mechanical dimensions and pin definitions

Pin

number

The pin

name

Pin use

485_A

The A side

of the other

RS485 devices

that are external

485_B

The B side

of the other

RS485 devices

that are external

GND

earthing

PWR

Power LED

Power adapter interface, power supply range 8to28VD C;

Restore

The station restores factory settings

When

the Restore

dial continues down 3to10S,

dial

up to

restore the radio

parameters to the factory settings

YES

Sim card slot

Antenna interface(SMA-K outer thread inner hole,50o characteristic impedance).

Содержание E842-DTU

Страница 3: ... rights Reproduction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided as is and EBYTE assumes no liability for the use of the information No warranty either express or implied is given including but not limited with respect to the accuracy correctness reli...

Страница 4: ... RTUs and Modbus TCP to each other 1 2 Features Use a 4G CAT1 solution Ability to meet almost all M2M application needs Supports transparent data transfer Supports TCP UDP network protocols Support heartbeat package registration package Supports network configuration parameters Supports simultaneous sending and receiving of 2 Socket links Supports automatic conversion of Modbus RTUs and Modbus TCP...

Страница 5: ...mmended Operating temperature sc 40 85 Industrial grade 2 2 Working parameters The name of the argument The value of the argument description The attribute parameters Support for bands LTE TDD B34 B38 B39 B40 B41 LTE FDD B1 B3 B5 B8 Network protocol characteristics Supports the TCP UDP MQTT protocol Hardware features Antenna interface SMA K The power interface 5 08 Terminals The communication inte...

Страница 6: ...of the other RS485 devices that are external 2 485_B The B side of the other RS485 devices that are external 3 GND earthing 4 PWR Power LED 5 DC Power adapter interface power supply range 8to28VD C 6 Restore The station restores factory settings When the Restore dial continues down 3to10S dial up to restore the radio parameters to the factory settings 7 YES Sim card slot 8 ON Antenna interface SMA...

Страница 7: ...the A side of the RS485 device B to the B side of the RS485 device andG ND to the external device 5 PWR Power LED Lit when the power is on 6 STATE The in network status indicator Flashing Power to the search network on the device Solid The device is successfully attached to the network 7 DATA Data transceiver indicator Send receive data flashing 8 LINE The data link light Solid SocketA connects to...

Страница 8: ...eds to install USB re serial driver first download the parameter configuration software in advance you can go to our official website to download 4 2 Network transmission mode Open the parameter configuration software 1 Select the appropriate port number 2 Select Baud Rate 115200 factory default 3 Select Check Data Stop None 8 1 factory default 4 Open the serial port 5 Click to enter configuration...

Страница 9: ... the device test 12 After popping up the interface click Continue access go to the Step 6 server test interface 13 The phone sends data and the device receives it 14 Device send data mobile phone reception two way testing normal 4 3 MQTT mode Open the parameter configuration software 1 select the appropriate port number 2 select Baud Rate 115200 factory default 3 select check data stop bit None 8 ...

Страница 10: ...cription publishing message level 11 Click to save all parameters 12 Click the device to restart Introduction to the feature 4 4 ModBus TCP to RTU feature When this option is turned on using parameter configuration software the ModBus TCP and RTU are automatically converted When the device receives the data it will detect whether the data meets the Modbus RTU or ModbusTCP protocol and if it does s...

Страница 11: ...break time When the frame break time receives data for a serial port the interval between two bytes of phase collar is constantly detected and if it is greater than the user s configured time which can be set to 50 2000ms the device automatically sends the previously received data as a packet to the network side Package length When packaging the length of the serial to receive data the currently r...

Страница 12: ... of data and customizing the maximum length of the registration packet by 80 bytes up to 40 bytes when set to HEX format which can be set by parameter configuration software 4 8 Heartbeat pack function In the idle state of network communication the heartbeat package is used for network state maintenance The heartbeat period can be set from 0 to 65535 seconds with a maximum length of 80 bytes up to...

Страница 13: ...gdu Ebyte Electronic Technology Co Ltd 13 4 9 Serial upgrade Open the E Yi Special Serial Upgrade Tool select the serial port and open it import the version firmware that needs to be upgraded click the Start Upgrade button The device is powered off and restarted automatically completing the upgrade ...

Страница 15: ... for a long time after the client has successfully established a connection with the network server the Socket link may appear dead that is the chain The path exists but data cannot be sent or received Therefore in actual use it is recommended to enable the heartbeat packet function to ensure the reliability of the network link In actual use it is normal for the data delay difference between the t...

Страница 16: ...t APNsupport rail housing high protection DC power supply E841 DTU EC03P 232 4G Cat1 RS232 8 28V DC 4G DTU MQTTsupport APNsupport rail housing high protection DC power supply E842 DTU EC03 485 4G Cat1 RS485 85 265V AC 4G DTU MQTTsupport APN rail housing AC power supply E842 DTU EC03 232 4G Cat1 RS232 85 265V AC 4G DTU MQTTsupport APN rail housing AC power supply E842 DTU EC03P 485 4G Cat1 RS485 85...

Страница 17: ...aintainer 1 0 2017 10 16 The initial version huaa 1 1 2021 07 15 Content reorganization LYL About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us with any questions or suggestions info cdebyte com Phone 86 028 61399028 Web www ebyte com Address B5 Mould Park 199 Xiqu Ave High tech District Sichuan Ch...

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