Ebyte E840-TTL-NB03 User Manual Download Page 12

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Chengdu Ebyte Electronic Technology Co., Ltd.

E840-TTL-NB03 User Manual

EBTIOT

Set/query the Ebyte IoT cloud platform enable

CREG

Query whether to register to the network

CSQ

Query signal strength

CPIN

Query SIM card status

LBS

Query LAC & CID code

RSTIME

Set/query reset time

d) Command details:

AT+REBT

Function: Restart the device.
Format:

Set
Send: AT+REBT<CR>
Return: <CR><LF>+OK<CR><LF>

Para:

None

Note: After the command is executed correctly, the device restarts immediately and enters the transparent

transmission

mode after restarting.

AT+VER

Function: Query firmware version.
Format:

Set
Send: AT+VER<CR><LF>
Return: <CR><LF>+OK=<ver><CR><LF>

Para:

ver firmware versin

Note: None

AT+INFO

Function: Query device type and version information
Format:

Set
Send: AT+INFO<CR><LF>
Return: <CR><LF>+OK=<mod_name>,<hw_ver>,<sw_ver><CR><LF>

Para:

mod_name

Device name

hw_ver

Hardware version

sw_ver

Software version

Note: None

AT+EXAT

Function: Exit command mode and enter transparent transmission mode.
Format:

Set
Send: AT+EXAT<CR><LF>
Return: <CR><LF>+OK<CR><LF>

Para:

None

Note: After the command is executed correctly, the device switches from command mode to transparent

transmission

mode.

Summary of Contents for E840-TTL-NB03

Page 1: ...E840 TTL NB03 User Manual NB Wireless Module ...

Page 2: ...nology Co Ltd 1 Contents FEATURE 2 1 PRODUCT OVERVIEW 2 1 1 INTRODUCTION 2 1 2 PARAMETER 2 1 3 INTERFACE DESCRIPTION 4 1 4 PIN DEFINITION 4 2 QUICK START 6 2 1 HARDWARE PREPARATION 6 2 2 DATA TRANSMITTING TEST 7 2 2 1 WORKING MODE 8 3 AT COMMAND 10 4 NOTES 18 5 IMPORTANT STATEMENT 18 6 REVISION HISTORY 18 7 ABOUT US 19 ...

Page 3: ...rate is 85 6 kbps Supports protocols such as TCP UDP encoding formats CS 1 CS 2 CS 3 and CS 4 1 Product overview 1 1 Introduction E840 TTL NB03 is a NB data transmission module developed by Ebyte The software is fully functional and covers most common application scenarios Users can realize two way data transparency from serial port to network server through simple setup transmission The module us...

Page 4: ... 115200bps Tx power 23dBm 2dB Power saving typical value In power saving mode max current consumption 5μA In power saving mode typical current consumption 3 5μA Working Temperature 30 70 working at 40 85 Working Voltage DC 5V 20V Battery 2 5V 3 6V Size 42 40 9 7 mm SIM MICRO SIM card 3GPP Frequency 1 Timeslot 2 Timeslot 4 Timeslot CS 1 9 05kbps 18 1kbps 36 2kbps CS 2 13 4kbps 26 8kbps 53 6kbps CS ...

Page 5: ...web server Low failed to connect to the web server 4 24 25 NC Not used 5 DATA Data transmission and reception indication pin when the network receives data or the serial port receives data 50ms high 10ms low corresponding to the onboard third LED light from the left 6 STAT The device status indication pin corresponds to the onboard second LED from the left Low The device is powered on to search fo...

Page 6: ... being reversed and is not allowed to be supplied with VCC 16 VCC DC power supply pin power supply range 5V 20V This pin is prohibited from being reversed and is not allowed to be supplied with 4V2 19 VD Connect to external SIM card power supply pin if the onboard SIM card holder is used the pin NC can be used 20 RS Connect to external SIM reset pin if the onboard SIM card holder is used the pin N...

Page 7: ...le AT CPIN OK 1 Indicates that the SIM card is connected and uses AT CSQ to view the current signal strength For example AT CSQ OK 26Indicates that the current signal strength is normal If the response is 99 the current signal strength is abnormal Check whether the current antenna is connected or the surrounding base station is abnormal 3 Access server AT SOCK TCPC 116 62 42 192 31687 parameters a...

Page 8: ... station is connected the NET light is always on to indicate that the server is connected and transparent transmission can be performed at this time 2 2 Data Transmitting Test Software is needed for data transmitting test Xcom is applied here for the test and you can download it at our website Users can also apply other test tools that are available ...

Page 9: ...to the cloud platform mode After the configuration is completed the data can be tested It should be noted that the maximum data of the single package in the cloud platform working mode is 100 the time interval for sending data packets is not less than 5s d Mode switching After the serial port receives the frame data in the transparent transmission mode the RX pin receives any AT command within 3 s...

Page 10: ...at period d Clear the cache Before the connection to the server is established the data received by the serial port will be cached When the connection with the server is established you can choose whether to clear the cached data By default the cache is cleared The maximum packet length of the local cache is 512 bytes 3 Ebyte Internet of Things platform function After the AT EBTIOT command is used...

Page 11: ...ormation EXAT Exit AT command mode RESTORE Restore factory settings UART Set query serial port parameters UARTCLR Set Query whether to clear the serial port cache before connecting MAC Query MAC address IMEI Query IMEI SN Set query SN code LINKSTA Query the SOCK connection status SOCK Set query SOCK parameters REGMOD Set Query Registration Packet Mode REGINFO Set Query User Registration Packet inf...

Page 12: ...y the device restarts immediately and enters the transparent transmission mode after restarting AT VER Function Query firmware version Format Set Send AT VER CR LF Return CR LF OK ver CR LF Para ver firmware versin Note None AT INFO Function Query device type and version information Format Set Send AT INFO CR LF Return CR LF OK mod_name hw_ver sw_ver CR LF Para mod_name Device name hw_ver Hardware...

Page 13: ...e can be configured to 9600 19200 38400 57600 115200 230400 460800 921600 Parity Parity bit NON E No Check EVEN Even check ODD Odd check Note None AT UARTCLR Function Set Query whether to clear the serial port cache before connecting Format Query Send AT UARTCLR CR Return CR LF OK sta CR LF Set Send AT UARTCLR sta CR Return CR LF OK CR LF Para sta status ON Clear the serial port cache before conne...

Page 14: ...on Set Query network protocol parameter format Format Query Send AT SOCK CR Return CR LF OK protocol ip port CR LF Set Send AT SOCK protocol ip port CR Return CR LF OK CR LF Para protocol TCPC UDPC TCPC TCP client UDPC UDP client ip The IP address or domain name of the target server port Server port number in decimal less than 65535 AT REGMOD Function Set Query registration packet mechanism Format...

Page 15: ...ta Less than 40 bytes ASCII code AT REGINFONEW Function Set Query the contents of the user registration packet Format Query Send AT REGINFONEW CR Return CR LF OK type data CR LF Set Send AT REGINFONEW type data CR Return CR LF OK CR LF Para type 0 registration packet is HEX 1 registration packet is ASCII code data Less than 40 bytes ASCII code when the registration packet type is HEX the content m...

Page 16: ... LF Para type 0 Heartbeat packet data is HEX 1 Heartbeat packet data is ASCII code data Less than 40 bytes ASCII code when the registration packet type is HEX the content must be in the legal HEX format and the length must be an even number AT HEARTM Function Set Query heartbeat packet time Format Query Send AT HEARTM CR Return CR LF OK time CR LF Set Send AT HEARTM time CR Return CR LF OK CR LF P...

Page 17: ...Return CR LF OK CR LF Para ctrl Ebyte IoT platform switch ON Turn on OFF Turn off Note After the IoT cloud function is enabled the device is automatically connected to the Ebyte IoT platform ignoring the sock configuration and registration packet heartbeat packet function AT CSQ Function Query signal strength Format Query Send AT CSQ CR LF Return CR LF OK csq CR LF Para csq signal strength Note No...

Page 18: ...urn CR LF OK cpin CR LF Para cpin 1 SIM card detected 0 No SIM card detected Note None AT LBS Function Query LAC CID code Format Query Send AT LBS CR LF Return CR LF OK lac cid CR LF AT RSTIME Function Set Query reset time Format Query Send AT RSTIME CR LF Return CR LF OK rstime CR LF Set Send AT RSTIME rstime CR LF Return CR LF OK CR LF ...

Page 19: ...f the clear local cache function is enabled the packet will be discarded 4 The heartbeat function is used to maintain the state after the device and the server are successfully connected Because if the client and the network server successfully establish a connection and there is no data transmission for a long time the Socket link may be dead that is the link exists but cannot send or receive dat...

Page 20: ...7 About Us Ebyte after sales technical support support cdebyte com For file download and more product information please visit www ebyte com Any questions or suggestions please contact support cdebyte com Tel 028 61399028 Fax 028 64146160 Website www cdebyte com en Address Innovation Center B333 D347 4 XI XIN Road Chengdu Sichuan China ...

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