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Summary of Contents for USR IOT USR-GPRS232-730
- Page 1 USR-GPRS232-730-User-Manual Technical Support: h.usriot.com USR-GPRS232-730 User Manual File Version: V1.0.14.01 Jinan USR IOT Technology Limited www.usriot.com...
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Page 2: Table Of Contents
2.4.5. LED Indicator..........................10 2.4.6.Reload by Hardware........................10 3. Parameter Setting..............................11 3.1. AT Command............................. 11 3.1.1. Serial AT Command........................11 3.1.2. Transparent AT Command......................11 3.1.3. SMS AT Command......................... 11 4. Contact Us................................12 5. Disclaimer................................12 6. Update History..............................12 Jinan USR IOT Technology Limited www.usriot.com... - Page 3 USR-GPRS232-730-User-Manual Technical Support: h.usriot.com Brief Introduction USR-GPRS232-730 is a GPRS DTU. User can realize the two-way data transparent transmission from the serial port to the network by simply setting it. USR-GPRS232-730 supports identity packages, heartbeat package, two Socket connections. Features Supports GSM850/900, DCS1800/1900 Supports GSM/GPRS/EDGE;...
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Page 4: Usr-Gprs232-730 User Manual
USR-GPRS232-730-User-Manual Technical Support: h.usriot.com 1. Get Start Product link: USR-GPRS232-730 setting software, download address: http://www.usriot.com/p/rs232-rs485-gsm-modems/ http://www.usriot.com/usr-gm3-setup-software/ If you have any question, please submit it back to customer center: Picture 1 Download Page http://h.usriot.com 1.1. DTU Application 1.1.1. Application Diagram Data transmission diagram as follows:... -
Page 5: Hardware Connection Diagram
GPRS Terminal Device Class Class B Wireless Parameters GPRS Class 10 GPRS Coding Schemes CS1 ~ CS4 GPRS Multi-slot Class Antenna SMA Interface Data Interface UART：2400bps - 921600bps Working Voltage DC 9V~24V Hardware Parameters Jinan USR IOT Technology Limited www.usriot.com / 13... -
Page 6: Brief Introduction
Identity Package Support user-defined, ICCID,IMEI, ID Figure 4 Basic parameters 1.4. Hardware Introductions Below is the hardware interface schematic diagram of USR-GPRS232-730: Note: Two power interface can’t be used simultaneously. Figure 5 hardware interface schematic diagram 1.5. Dimensions Below is the dimension figure of USR-GPRS232-730: Jinan USR IOT Technology Limited www.usriot.com... - Page 7 USR-GPRS232-730-User-Manual Technical Support: h.usriot.com Figure 6 Dimension Jinan USR IOT Technology Limited www.usriot.com / 13...
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Page 8: Product Functions
USR-GPRS232-730-User-Manual Technical Support: 2. Product Functions This chapter introduces the functions of USR-GPRS232-730, as the following diagram shown, you can get an overall knowledge of it. Figure 7 function diagram 2.1. APN Different operator has different APN(access point name), If you use the SIM card from the operator. You must know the APN. -
Page 9: Httpd Client Mode
Figure 8 Transparent mode diagram <Illustration>: USR-GPRS232-730 supports 2 socket connections simultaneously: socket A and socket B, they are independent. This DTU only support working as TCP Client and UDP Client. 2.2.2. HTTPD Client Mode HTTPD Client Mode: DTU will add the HTTP Header for every data from serial and transfer HTTP format data to Network. -
Page 10: Sms Mode
Technical Support: h.usriot.com Figure 9 HTTPD Client Mode Diagram <Note>: DTU can’t work as HTTP server. 2.2.3. SMS Mode SMS Mode: Send serial data to mobile as SMS. Figure 10 SMS Mode Diagram Jinan USR IOT Technology Limited www.usriot.com / 13... -
Page 11: Serial Port
485: When you use RS485, please choose this function Flow Control/485 Figure 11 Serial parameters 2.3.2. Serial Package Methods USR-GPRS232-730 adopts fixed Packaging time-200ms. 2.3.3. RS485 RS485 transfer time: For RS485 is half-duplex. It needs time to switch the status between sending & receiving. Switching period instructions:... -
Page 12: Features
Serial heartbeat data can be used for polling Modbus data. Network heartbeat data can be used for showing connection status and keep the connection. Heartbeat Package is only in transparent mode. Jinan USR IOT Technology Limited www.usriot.com / 13... -
Page 13: Sleep Mode
LBS function: User can acquire approximate location of module through operator ' s network. Accuracy error is about 100 meters and user can acquire LBS information by AT commands. 2.4.5. LED Indicator LED Indicators of USR-GPRS232-730 are POWER,WORK,GPRS,LINKA,LINKB. LED NAME LED Status... -
Page 14: Parameter Setting
You can configure module or query status by SMS AT command to remotely control your module in fields. Note: SMS AT command can achieve sending more than one AT command by only one message after firmware version V3.0. User can achieve it by add “;” after each AT command. Jinan USR IOT Technology Limited www.usriot.com / 13... -
Page 15: Contact Us
Tel: 86-531-88826739/86-531-55507297 5. Disclaimer This document provide the information of USR-GPRS232-730 products, it hasn’t been granted any intellectual property license by forbidding speak or other ways either explicitly or implicitly. Except the duty declared in sales terms and conditions, we don’t take any other responsibilities. We don’t warrant the products sales and use explicitly or implicitly, including particular purpose merchant-ability and marketability, the tort liability of any other patent right, copyright, intellectual property right.
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