Waveshare SIM7000E Manuel utilisateur

SIM7000E NB-IoT HAT User Manual

Rev1.0 June 8, 2018

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SIM7000E NB-IOT HAT

Overview

This Raspberry Pi HAT features multi communication functionalities: NB-IoT, eMTC, EDGE, GPRS, and

GNSS.

The NB-IoT (NarrowBand-Internet of Things) and eMTC (enhanced Machine Type Communication) are

rising IoT communication technologies evolved from LTE (4G), with advantages include low power,

low cost, wide coverage, etc. They are suited for applications such as intelligent instruments, remote

controlling, asset tracking, remote monitoring, E-health, mobile POS terminals, sharing bikes, and so

on. While the GSM/GPRS, and EDGE are traditional 2G/2.5G technologies capable of sending SMS or

making other wireless communications.

Therefore, the SIM7000E NB-IoT HAT would be an ideal choice for either evaluating new rising

technologies, or simply communicating/positioning via multiple ways.

Features

⚫Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+

⚫Supports TCP, UDP, PPP, HTTP, FTP, MQTT, SMS, Mail, etc.

⚫Supports GNSS positioning (GPS,GLONASS,BeiDou and Galileo)

⚫Onboard USB interface, to test AT Commands, get GPS positioning data, and so on

⚫Breakout UART control pins, to connect with host boards like Arduino/STM32

⚫Onboard voltage translator, 3.3V by default, allows to be switched to 5V via 0Ω resistor

⚫SIM card slot, compatible with both normal SIM card and NB-IoT specific card

⚫2x LED indicators, easy to monitor the working status

⚫Baudrate: 300bps~3686400bps

⚫Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)

⚫Supports SIM application toolkit: SAT Class 3, GSM 11.14 Release 98, USAT

⚫Comes with development resources and manual (examples for Raspberry /Arduino/STM32)

SIM7000E NB-IoT HAT User Manual

Rev1.0 June 8, 2018

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SIM7000E NB-IoT HAT User Manual

Rev1.0 June 8, 2018

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Contents

Overview...................................................................................................................................................1

Features....................................................................................................................................................1

1. Hardware configuration...................................................................................................................4

1.1. Hardware configuration ......................................................................................................4

2. GPRS Debugging...............................................................................................................................6

2.1. General AT commands ........................................................................................................6

2.2. Local virtual severs settings.................................................................................................7

2.3. Searching WAN IP................................................................................................................7

2.4. GPRS Setting ........................................................................................................................8

2.5. Sending data........................................................................................................................8

2.6. Receiving data......................................................................................................................9

2.7. Deactivating Connection .....................................................................................................9

3. NB-IoT Debugging ............................................................................................................................9

3.1. General AT commands ........................................................................................................9

3.2. Local virtual severs settings..................................................................错误!未定义书签。

3.3. Searching WAN IP.................................................................................错误!未定义书签。

3.4. NB-IoT Setting....................................................................................................................10

3.5. Sending data......................................................................................................................11

3.6. Receiving data....................................................................................................................11

3.7. Deactivating Connection ...................................................................................................11

4. GNSS Debugging.............................................................................................................................12

SIM7000E NB-IoT HAT User Manual

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4.1. General AT commands ......................................................................................................12

4.2. GPS Debugging...................................................................................................................12

5. Using with Raspberry Pi .................................................................................................................14

5.1. Interface overview.............................................................................................................14

5.2. UART configuration of Raspberry Pi ..................................................................................14

5.3. Minicom for UART debugging on Raspberry Pi .................................................................15

5.4. Examples............................................................................................................................16

5.4.1. AT_Test .................................................................................................................16

5.4.2. GPS_Positioning ....................................................................................................17

5.4.3. NB-IoT (TCP_IP).....................................................................................................18

5.4.4. For more demo code,please visit the website wiki...............................................18

1. Hardware configuration

1.1. Hardware configuration

This module comes with GSM antenna, GPS antenna and micro USB cable. Besides these you should

prepare a sim card or a nb-iot card:

1) Insert the SIM card to the card slot and connect the GSM antenna.

2) Connect the USB interface of SIM7000E NB-IoT HAT to PC with a micro USB cable. Then the PWR

indicator will keep bright.

Figure : Hardware connnection

SIM7000E NB-IoT HAT User Manual

Rev1.0 June 8, 2018

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3) Generally, the NET indicator will fast flash firstly (1 time per second), which means that the

module has not logged in the Network. After logging in, the indicator become to flash slowly (1

time every three seconds). Up to the local GSM network, this process that logging in will last

several seconds to dozens of seconds.

If you take too much time to log in and failed, please check that whether the GSM antenna is

connected correctly, and whether the SIM card is usable and insert correctly.

4) Install SIM7000 driver (windows driver: www.waveshare.com/wiki/File:SIM7X00-Driver.7z)

Open Device Manager to get the corresponding COM port number of SIM7000. For example, the

AT Port is COM19 as below. Users need to choose the correct port according to the Manager.

Figure: Devices Manager

1.2. Solder joints

SIM7000E NB-IoT HAT User Manual

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Pin \ Solder

Soldered to A side

Soldered to B side

VCCIO

3.3V (Default)

DTR

P26

NC (Default)

PWR

P4 (Control power supply via pin)

3.3V (Default:Power on automatically)

2. GPRS Debugging

2.1. General AT commands

Commands

Description

Return

AT+CGATT?

Check the state of GPRS attachment

+CGATT:1

SIM7000E NB-IoT HAT User Manual

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1 Attached

AT+CSTT?

AT+CSTT? : Check available APN

+CSTT:

AT+CSTT

AT+CSTT =”cmnet”: Set APN to CMNET

AT+CIICR

Bring up wireless connection with GPRS

AT+CIFSR

Get local IP address

AT+CIPSTART

AT+CIPSTART="Mode", "IP_Addr", "Port"

Mode: connection type;

IP_Add: Remote server IP address;

Port: Remote server port

CONNECT

AT+CIPSEND

Send data

(HEX format) Tell module to send data

SEND OK

AT+CIPCLOSE

Close TCP or UDP connection

CLOSE OK

AT+CIPSHUT

Deactivate GPRS PDP Context

SHUT OK

2.2. Local virtual severs settings

Virtual servers define the mapping between service ports of WAN and web servers of LAN.

All requests from Internet to service ports of WAN will be redirected to the computer (web

servers of LAN) specified by the server IP. (see your router’s guide manual)

1) Log in Management Console of your router with browser (read your router’s guide manual for

specific address)

2) Set Port：1822 (The Port can’t be conflict to other’s. Here we set 1822)

3) Set LAN IP address of your computer (you can run CMD on your computer, and execute

command ipconfig to enquiry the address of IPv4), 192.168.6.168 as examples

2.3. Searching WAN IP

You can search “IP” on browser to get your WAN IP address.

SIM7000E NB-IoT HAT User Manual

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2.4. GPRS Setting

1) AT+CSQ //To enquiry the quality of signal. The first parameter of response is signal quality

(Max is 31). The signal stronger, the value bigger.

2) AT+CREG? //Check Network registration. If the second parameter of response is 1 or 5, it

means that Network has been registered successfully

3) AT+CGATT? // Check the state of GPRS attachment

4) AT+CSTT="CMNET" //Set the Network according to actual situation. Here we use CMNET

5) AT+CIICR //Bring up wireless connection with GPRS

6) AT+CIFSR //Get the local IP address

7) AT+CIPSTART="TCP","113.81.232.178",1822 //Established TCP/IP connection

2.5. Sending data

1) AT+CIPSEND=33 //Send fixed length data

2) AT+CIPSEND // Send changeable length data

SIM7000E NB-IoT HAT User Manual

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3) After getting the response >, edit the contents of message (has been converted) without Enter at

the end. Then send 1A in HEX format as below

4) If the data sent successfully, the server will receive the data.

2.6. Receiving data

1) Choose the IP address of module on peers input box

2) Input the data which you want to send：SIM7000 Test Succefully

3) Click Send button, you can see that module receive the data with COM assistant software

2.7. Deactivating Connection

1) Send AT+CIPCLOSE or AT+CIPSHUT to deactivate connection.

3. NB-IoT Debugging

3.1. General AT commands

Commands

Description

Return

AT+CGATT?

Check the state of GPRS attachment

+CGATT:1

1 Attached

AT+CPSI?

AT+CPSI?: Inquiring UE information

+CPSI:

AT+CGNAPN

Check available APN

+CGNAPN:

AT+CSTT

AT+CSTT =”cmnet”: Set APN to CMNET

AT+CIICR

Bring up wireless connection with GPRS

AT+CIFSR

Get local IP address

AT+CIPSTART

AT+CIPSTART="Mode", "IP_Addr", "Port"

Mode: connection type;

IP_Add: Remote server IP address;

Port: Remote server port

CONNECT

AT+CIPSEND

Send data

SIM7000E NB-IoT HAT User Manual

Rev1.0 June 8, 2018

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(HEX format) Tell module to send data

SEND OK

AT+CIPCLOSE

Close TCP or UDP connection

CLOSE OK

AT+CIPSHUT

Deactivate GPRS PDP Context

SHUT OK

3.2. NB-IoT Setting

1) AT+CSQ //To enquiry the quality of signal. The first parameter of response is signal quality

(Max is 31). The signal stronger, the value bigger.

2) AT+CREG? //Check Network registration. If the second parameter of response is 1 or 5, it

means that Network has been registered successfully

3) AT+CGATT? // Check the state of GPRS attachment

4) AT+CPSI? // Inquiring UE system information

5) AT+CGNAPN // Get network APN in CAT-M or NB-IOT

6) AT+CSTT="T" //Set the Network according to actual situation. Here we use T

7) AT+CIICR //Bring up wireless connection with GPRS

8) AT+CIFSR //Get the local IP address

9) AT+CIPSTART="TCP","118.190.93.84",2317 //Established TCP/IP connection

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