USR IOT USR-K7 User manual

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 1 / 120 [email protected]
USR-K7 User Manual
File Version: V1.0.1

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 2 / 120 [email protected]

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 3 / 120 [email protected]
Contents
1. Get Start ......................................................................................................................................................................... 6
1.1. Hardware Testing Environment............................................................................................................................ 7
1.1.1. Hardware Preparing.................................................................................................................................. 7
1.1.2. Hardware Connection............................................................................................................................... 9
1.2. Net Testing Environment ..................................................................................................................................... 9
1.3. Default............................................................................................................................................................... 11
1.4. Data Transport Testing....................................................................................................................................... 11
2. Overview....................................................................................................................................................................... 12
2.1. Brief Introduction .............................................................................................................................................. 12
2.2. Features............................................................................................................................................................. 13
2.3. Basic Parameters................................................................................................................................................ 14
3. Hardware Parameters................................................................................................................................................... 15
3.1. Pin Definition..................................................................................................................................................... 15
3.2. Dimension.......................................................................................................................................................... 17
4. Product Function .......................................................................................................................................................... 18
4.1. Net basic function.............................................................................................................................................. 19
4.1.1. IP address/subnet masks/gateway.......................................................................................................... 19
4.1.2. DNS Address ........................................................................................................................................... 22
4.1.3. Hardware Restore the Factory Function ................................................................................................. 22
4.1.4. Web Server ............................................................................................................................................. 23
4.1.5. Net Firmware Upgrade ........................................................................................................................... 24

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4.2. Socket ................................................................................................................................................................ 24
4.2.1. TCP Client mode ..................................................................................................................................... 26
4.2.2. TCP Server Mod ...................................................................................................................................... 30
4.2.3. UDP Client mode..................................................................................................................................... 33
4.2.4. UDP Server mode ................................................................................................................................... 37
4.2.5. HTTPD client ........................................................................................................................................... 40
4.2.6. Websocket .............................................................................................................................................. 42
4.2.7. USR-VCOM.............................................................................................................................................. 45
4.3. Serial Function................................................................................................................................................... 46
4.3.1. Serial port Basic Parameters ................................................................................................................... 46
4.3.2. Flow Control ........................................................................................................................................... 47
4.3.3. Serial Port Mapping ................................................................................................................................ 48
4.3.4. Similar RFC2217...................................................................................................................................... 49
4.4. Special Function................................................................................................................................................. 52
4.4.1. Heartbeat Package Function................................................................................................................... 53
4.4.2. Modbus Gateway.................................................................................................................................... 54
4.4.3. Registration Package............................................................................................................................... 55
4.4.4. USR-cloud ............................................................................................................................................... 57
4.4.5. Net Printing............................................................................................................................................. 60
4.4.6. Customize Webpage ............................................................................................................................... 61
4.4.7. Customize MAC....................................................................................................................................... 62
4.4.8. Restart Timeout ...................................................................................................................................... 63

USR-K7 User Manual www.usriot.com
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4.4.9. Clear Buffer Data..................................................................................................................................... 64
4.4.10. Short Connection.................................................................................................................................. 65
5. Parameters Setting ....................................................................................................................................................... 66
5.1. Net Protocol Setting Parameters........................................................................................................................ 66
5.1.1. Setup Software Setting Parameters ........................................................................................................ 66
5.1.2. Setting Protocol Setting Parameters ....................................................................................................... 72
5.2. Webpage Setting Parameters ............................................................................................................................ 80
5.3. AT Command ..................................................................................................................................................... 86
5.3.1. Net AT Command.................................................................................................................................... 86
5.3.2. Serial AT Command................................................................................................................................. 86
5.3.3. Error AT Command ................................................................................................................................. 88
5.3.4. AT Command .......................................................................................................................................... 89
5.3.5. AT Command Details............................................................................................................................... 91
6. Contact us................................................................................................................................................................... 119
7. Disclaimer................................................................................................................................................................... 120
8. Modified History......................................................................................................................................................... 120

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 6 / 120 [email protected]
1. Get Start
K7 is a module that can realize data transmission between the Network and TTL serial port, which is equipped with
ARM cortex-M4 processor. No need to care of the details, the module realize the protocol converse.parameters can be
set in the software and webpage, configure one time and save forever.
This character aimed at get start and the user are advised to operation one time according to the instr to
understand K7 completely.
Questions occur in the testing, you can refer to our application case and answers:
https://www.usriot.com/support/faq/ethernet-series/
Also you can submit the problem into the support: http://h.usriot.com/
Product link: https://www.usriot.com/products/super-port-serial-ttl-uart-to-ethernet-module.html
Related software:
M4 setting software: https://www.usriot.com/support/downloads/usr-m4-setup-software-v234102.html
(also, it can be used in the industrial serial to Ethernet Converter:USR-N668,USR-N510, USR-N520, USR-N540,
USR-TCP232-410S, USR-TCP232-419 and industrial ethernet modules: USR-TCP232-E2, USR-TCP232-ED2.)
Testing software: https://www.usriot.com/support/downloads/usr-tcp-test-testing-software.html

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 7 / 120 [email protected]
Diagram 1-1 Download Page
1.1. Hardware Testing Environment
1.1.1. Hardware Preparing
USR-K7*1
USR-Kx-EVK*1
Cable*1
PC *1
Power adapter (DC5V 1A)*1
Serial port cable *1

USR-K7 User Manual www.usriot.com
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Diagram 1.1.1-1 hardware prepare tools
1.Testing purpose:
Have a complete understand for K7
Testing the function.
2.Data direction
Diagram 1.1.1-2 Data Direction

USR-K7 User Manual www.usriot.com
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1.1.2. Hardware Connection
To test the communication converse from serial port to net, connect the USR-K7 with evaluation board, and
connected with the PC using serial cable, then connect the net port of K7 and PC. Power on the it. The diagram is as
fellow:
Diagram 1.1.2-1 Hardware Connection
Note: the power adapter and cable are from USR.
1.2. Net Testing Environment
To prevent from searching nothing, not ping and not opening the webpage, you should testing the below contents
before using.
1) Shut down firewall and antivirus software.
2) Shut down net card none-related and reserve only one local connection.
3) For the direct connection between PC and server, please provide a static IP in the same LAN with the IP of K7,
e.g.192.168.0.201.

USR-K7 User Manual www.usriot.com
Jinan USR IOT Technology Limited 10 / 120 [email protected]
Diagram 1.2-1 Local Connection of the PC
Item
Content
Username
admin
Password
admin
IP address of K7
192.168.0.7
Subnet masks of K7
255.255.255.0
Default gateway of K7
192.168.0.1
Default mode of the port1 k7
TCP Server
Default local port of the port1 K7
23
Serial port baud rate
115200