USR-GPRS232-730 User Manual h.usriot.com
Jinan USR IOT Technology Limited / 45 www.usriot.com
string “7777772E7573722E636E”.
AT+HEARTDT=”7777772E7573722E636E”
4) Set sending period, for instance, 30 seconds.
AT+HEARTTM=30
Besides, customers need to configure socket A or socket B for network connection, refer to chapter 4.1.
After setting successful, restart USR-GPRS232-730. When connection is establishing, If device is idle for 30
seconds, USR-GPRS232-730 will send string “www.usr.cn” to server via socket A and socket B.
USR CLOUD is a platform for communication between machine-to-machine, machine-to-upper computer
(including Android, IOS, PC). It is used for data transparent transmission, device can realize remote
communication with little settings. USR CLOUD application field: remote monitor and control, internet of things,
smart home and so on. USR-GPRS232-730 can also join in USR CLOUD.
1) Enable USR CLOUD function
AT+CLOUDEN=”ON”
2) Set 20 bits device ID and 8 bit password.
AT+CLOUDID=”10011111100000111111”
AT+CLOUDPA=”0000test”
3) Set USR CLOUD server address and enable. Now our address is cloud.usr.cn, port 15000
AT+SOCKAEN=”on”
AT+SOCKA=”TCP”,”cloud.usr.cn”,15000
4) Click to save all parameters. After restart, module will connect the network and reply
usr_cloud_code_0, then connect USR CLOUD succeed.
USR-GPRS232-730 module supports RS485 interface.
When use RS485 interface, firstly user need to connect module with RS232 interface for setting. Refer to
command AT+UART. When RS485 enabled, user can use RS485 interface.
<Note>
Module support RS232 and RS485, but they can not work at the same time. Choose one of them to work.
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