GPRS Data Transmit Unit
Contents
1. Jinan USR IOT Technology Co Ltd page 10 of 34 freda usr so Cy x BARR 3 Parameter Configuration 3 1 Hardware Connection Configuration Before configuration you need to connect DTU with PC by serial cable and power on 3 2 Parameter Configuration gt Software Configuration by software in CD Easy to configurate through PC gt Command Configuration by AT command In this case users just need serial communication program gt Message configuration by sending sms 3 3 Software configuration 3 3 1 Software interface introduce DTU access into AT command mode automatically after power on within 2 40s users can set parameters by serial port If not DTU will access to working mode you need to set by sms after preparation of the GSM network 2 ee USR GPRS232 700V1 0 EXE Free setup software is supplied double click to run USR GPRS DTU V1 0 exe reference as below Jinan USR IOT Technology Co Ltd page 11 of 34 freda usr so GE BARK A U sr cn GPRS DTU User Manual www tcp232 net 2 USR GPRS232 700 1 1 0 0 f File F PI L Help H Computer Com Information Clear information KA aan com1 zl 2 Close Receive 3 BaudRate 115200 l aora 19 4 Parity data stop None 8 vifi v Peeve Bea _B01_025 DTU 01 Build DTU Parameters Config Send AT CSTT CMNET APN Name CMNET 7 5 Receive OK IP DomainN ame 1 24 128 16 120 76 Send AT 4CIPCFG2. Auto Clear Input L Send As Hex LocalHost 192 168 0 131 Port 41 23 Send Recycle Interval 11000 ms Load Clear IS Ready Send 17 Recy 10 Reset http www usr cn Send Set protocol TCP Server server port 9696 click listening There will be connection after a moment Then DTU can have two way communication with PC Jinan USR IOT Technology Co Ltd page 24 of 34 freda usr so USR TCP232 Test BAR HE A Usr cn RS232 to Ethernet Convert tester File F Options Q Help H COMSettings PortNurn COM1 vl BaudR 115200 DPaity NONE x DataB 8 bit Close Recy Options Receive to file Add line return Receive As HEX Receive Pause Save Clear Send Options Data from file Auto Checksum Auto Clear Input Send As Hex COM port data receive jhttp wew usr en GPRS DTU User Manual Network data receive PAAA ARRARAS Recy Options www tcp232 net T NetSettings 1 Protocol 2 Server IP 2 Server Port A Disconnect Receive to file Add line return Receive As HEX Receive Pause Save Clear Send Options Data from file Auto Checksum Auto Clear Input Send As Hex Send Recycle LocalHost 192 168 0 131 168 0 131 Port Send Recycle Interval 1000 1000 ms KERANA http www usr en Interval 1000 ms Send Lo
3. nun A U sr cn GPRS DTU User Manual www tcp232 net GPRS Data Transmit Unit USR GPRS232 700 USR GPRS 701 File version v1 6 Diagram 0 1 USR GPRS 700 3 i A GA A gt A 5 Diagram 0 2 USR GPRS 701 Jinan USR IOT Technology Co Ltd page 1 of 34 freda usr so D a Content GPRS Data Trans mut UNI nn ennonn En AAA EERE OED EE EA 1 TAP WOU DCSE It ON E E E A E N EA EATE 3 aE a Ea E E o a E E E E tan IE A E A E I EA AE A TAE etaneenss 3 IE a E E E E EA EI IEE en eee ee eee 4 ToP AE A E E A A A AOA A 4 De NNSA O I TA E EAE I A A E E A A AE AE A neces ON E T AE 5 APA KE A A EE E OA E EEE A 5 Ze Meats USR GPRS 22700 eT EEEE 5 2 1 2 USR GPRS232 701 ccccccceeceseeeeeeesscccccccccecceccuseuseustsusessesssssssesscssessessecusecsecascesees 5 PAPE AAEN E a A A E E E E E A EA seus 5 22A OUSR GPRS23 2700 aesir EEE AE ETA 5 2 22 WSROPRS2 32 70l ann a a Aa 6 2 3 Antenna and SIM Card InstallatiOn ee near aaa nennen naaa aaa 7 LA PON Gest 6 e A E A on ee A A ee ET 7 ZO MINCE ALOE Tee a A acento Ai A E EE A 7 FON USR OPR A A O REE EE A 8 2 5 2 USR GPRS232 701 aaa aa anna naaa nana anna nana anna aaa naaa aan 8 2O SONA PENA a ERRA A ENEE 8 ZOA R 2 PAN E AA 8 2 0 2 R5485 definitiON An ARB 9 20 AA een EEE T 9 Be Parameter Confie uroti aa E E EE ES EEE E EEN 10 JAH CHW Al CC OMNIA CCU O eson E E E E TA 10 3 2 Parameter Con Pura DOK
4. wee usr en Interval fi 000 ms Send Load Clear Load Clear a StopB Send 0 Rev 0 Reset esi I StopB meli Recv 0 Reset Click Send the server displays Jinan USR IOT Technology Co Ltd page 19 of 34 freda usr so Aa Pa Es NetSetting 1 Protocol TCP Server 2 Local host IP 180 186 12 99 Di sconnect Receive to file MV Add line return Receive As HEX Receive Pause Network data receive Hees mg 123 232 238 104 5950 LocrN 1001 Save Clear end Options Data from file Auto Checksum Auto Clear Input Send As Hex Send Recycle Interval 1000 ms Load Add line return Send 0 Recv 0 Reset Already received data from DTU click send on server side Peers f 123 232 230 104 14 http www usr en Send Clear Jinan USR IOT Technology Co Ltd page 20 of 34 freda usr so USR TCP232 Test RS232 to Ethernet Convert tester File F Options Q Help H COMSetting COM port data receve PortNum COM http www usr en BaudR 1115200 DPaity NONE M DataB 8 bit Close Recy Options Receive to file Add line return Receive As HEX Receive Pause Save Clear Send Options Data from file Auto Checksum Auto Clear Input Send As Hex Send Recycle Interval 1000 ms L
5. 6 56 56 AB 66 2B MEP RURERSOOEES D ce ce ce ce ere ce te NO LP RGRrese e a eee ee ee ee te eee ERG 52 97 See MASE o e e e ue ce re ue we P see eee Default Gateway 180 186 12 97 DNS SEPUGES s T Sea B20 C Documents and Settings Administrator gt Generally we can distinguish whether the IP is public IP through following method gt Usually the machine that Telecom and Netcom through adsl dial up obtain IP address it should be public IP Railtom broadband has NAT address translation not public IP gt Cable modems for dial up Internet IP address also public IP gt GPRS wireless card for laptop wireless Internet the IP is Mobile GPRS internal IP but because for GPRS DTU they are from the same network so they can also be used for connectivity gt If users access to Internet through a router and the router address is not the public IP through NAT translation then we can adopt router port mapping so the data can be forwarded through a router to your computer Specific application diagram reference to chapter 5 2 gt If the machines IP is dynamic public IP means the Internet IP is not fixed it requires a dynamic DNS software installed on the PC DTU support DNS so as long as users applying domain name remains the same DTU can also connect with them There are many free DNS and domain name of the companies now such as PeanutHull and Secco communication
6. no changes needed on your original system gt Use aluminum alloy case shielding external disturbance effectively gt Matched sucker antenna convenient for customers install and use inside the iron case gt Support four frequency can be used all over the world 1 3 Parameters Working Voltage 5 28v Working current max 1200mA Working temperature 20 5Celsius Storage temperature 40 85Celsius Storage humidity 5 95 RH MAX transmit consumption GSM900 class4 2W DCS1800 class1 1W Working Frequency 850 900 1800 1900MHZ VV VV V WV Yy Jinan USR IOT Technology Co Ltd page 5 of 34 freda usr so Cy x BARR 2 Install 2 1 Packing list 2 1 1 USR GPRS232 700 RS232 version 1 USR GPRS232 700 1 2 5V power adapter 1 3 RS232 serial cable 1 4 User guide CD 1 RS485 version 1 USR GPRS232 700 1 2 5V power adapter 1 3 User guide CD 1 2 1 2 USR GPRS232 701 RS232 version 1 USR GPRS232 701 1 without shell 2 5V power adapter 1 3 User guide CD 1 2 2 Size and Diagram 2 2 1 USR GPRS232 700 DTU can be used independently which packaged in metallic casing It is easy to install by the fixed position of the hole on both side Details as follows unit mm Jinan USR IOT Technology Co Ltd page 6 of 34 freda usr so IR me a Unit mm 0021 66 6S4d USII 6mm SA XL 2 2 2 UISR GPRS232 701 PCB size 80 50mm Other characteris
7. DOTU Parameters Config APN Name CMNET OMNE IP DomainN ame NetProtocol drp Si Remote Port DTU BaudRate 115200 Parity data stop NONE ig fi gt Device ID Hooi oo Heartbeat Format L0G Heartbeat Time 50 2 Wait Length lo Bytes Wait Time fo ms ZZ Wite defaut gt Read Dev Contig T Write Al Contig U sr cn GPRS DTU User Manual www tcp232 net Information Clear information Send 4T CSTT CMNET Receive K Send AT CIPCFG 1 50 0 0 0 0 Receive K Send AT CIPPACK 0 4C 4F 47 Receive K Send AT CIPPACK 1 4C4F47494E 3431303031 Receive Send AT CIPMUX 0 Receive CIPMU 0 OK Send 4T CIPMODE 1 Receive CIPMODE 1 0 OK Set destination IP to router public network IP remote port 9696 net protocol TCP Power on DTU again click Write All Config then close the software Open USR TCP232 Test as follows Jinan USR IOT Technology Co Ltd page 23 of 34 freda usr so Ae RAN Seals Network data receive NetSettings Receive from 123 232 238 104 9696 1 Protocol LOGIN 1001 TCP Clie ier if 2 Server IP 123 232 238 104 2 Server Port 9696 Disconnect Is ZA Recy Options Receive to file Add line return Receive As HEX Receive Pause Save Clear Send Options gt Data from file Auto Checksum
8. E EIT AA A N EEE N 32 Jinan USR IOT Technology Co Ltd page 3 of 34 freda usr so 1 1 1 R Product Description Instruction GPRS DTU Data Transfer unit is a wireless terminal equipment which can converter serial data to IP data or converter IP data to serial data then transmit through wireless communication network GPRS DTU is to use GPRS network to transmit data it adopts industrial grade embedded processor embedded TCP IP protocol stack To provide users with virtual private networks which is high speed stable and reliable data terminal online forever and a variety of protocol conversion At present this device have already been used widely in M2M industry such as gt gt 1 2 VV VV V Electric power industry 1 Electric remote meter reading 2 Substation monitor 3 Power line monitor 4 Switch monitoring system on distribution network column Water conservancy industry 1 Water quality monitor 2 Reservoir gate remote control system solutions 3 Water conservancy GPRS scheduling system application solutions 4 Water pipe network monitoring system 5 Reservoir automatic monitoring system Oil industry 1 Oil and gas well remote monitor 2 GPRS remote oil field automation monitoring system 3 Gas pipeline network monitoring system solutions Municipal industry 1 Street lamp remote monitoring management 2 Pipe network remote monitor 3 City energy consumption monitor Environmental protect
9. Parity 0 odd Parity 1 even parity 3 No parity Example Setting 8 data bit 1 stop bit lt format gt lt parity gt 3 3 6 4 Setting Example Power on within 2 30 seconds configure as follows AT CSTT CMNET OK AT CIPCFG 1 50 0 0 0 0 OK AT CIPPACK 0 4C4F47 OK AT CIPPACK 1 4C4F47494E3A31303031 Jinan USR IOT Technology Co Ltd page 30 of 34 freda usr so BARR U sr cn GPRS DTU User Manual www tcp232 net OK AT CIPMUX 0 CIPMUX 0 OK AT CIPMODE 1 CIPMODE 1 0 OK AT CIPSCONT 0 TCP 124 128 16 120 10000 2 OK AT ICF 3 3 OK AT CIPR 115200 OK 7 FAQ Network can not connect to the server Please follow the following steps to troubleshoot USR GPRS232 T00 1 3 0 0 1 Use this software to read DTU device configuration to check destination IP port APN account and so on 2 Check SIM card model make sure it has opened GPRS flow not owning money make sure the card is plugged in well antenna connection power indicator light 3 Use this software establish a TCP Client on a PC which can connect to Internet then connect with the server If connection is ok the Jinan USR IOT Technology Co Ltd page 31 of 34 freda usr so EJ F A 4 BARK U sr cn GPRS DTU User Manual www tcp232 net server is working well otherwise the server may have some problems If step 1 2 3 all right but DTU still can not connect pls change another S
10. address Class A From 1 0 0 0 to 127 255 255 255 assigned to large network which has a large number of hosts but with fewer LANs Class B From 128 0 0 0 to 191 255 255 255 generally used for international companies and government agencies Class C From 192 0 0 0 to 223 255 255 255 generally used for small companies campus network and research institutions etc Class D From 224 0 0 0 to 239 255 255 255 used for special purpose also called broadcast address Class E From 240 0 0 0 to 255 255 255 255 Temporary retention To judge if the computer has a public IP you can operate like this to check Start Run input CMD then Enter input ipconfig all As following picture 180 186 12 99 is belong to Class B it is an effective public IP address Jinan USR IOT Technology Co Ltd page 15 of 34 freda usr so o SARH sr cn GPRS DTU User Manual www tcp232 net cx C WIEDOTS system32 iced exe PX Microsoft Windows hA 5 2 3790 al CO RUPA 1985 2003 Microsoft Corp C Documents and Settings Administrator ipconfigzall Windows IP Configuration HOSES NAMO o o e o e e e a e e e ES oe Primary Dns Suffix Node Type a Unknown IP Routing Enabled No WINS Proxy Enabled No Ethernet adapter AN TEE Connection specific DNS Suffix Description Intel R gt PRO 1666 MT Network Connection Physical Address
11. for client only If specified need sending heartbeat packet when start the network link in links space lt interval gt seconds will automatically send heartbeat packet to server This configuration effective for client only Jinan USR IOT Technology Co Ltd page 12 of 34 freda usr so O AHH U sr cn GPRS DTU User Manual www tcp232 net 14 Device receive lt waiting data size gt bytes data immediately sent to connected server 15 When serial port receive less lt wait for data size gt bytes data and the module waiting for lt waiting data timeout gt milliseconds later still didn t receive serial data then will start sending buffer data Restore default configuration Read current configuration Save current settings Message area show configuration information 3 3 2 Software operation Configuration instruction 1 If you have already set up the IP and port number after powering on the power indicator light the network indicator starts to flash quickly when find network the network indicator flashes once per second then start mount GPRS network now The network indicator flashes quickly if you find the network in about 10 30s then the network indicator flash quickly and the DATA indicator light and start flashing It express that the device access to DTUGPRS transparent transmission mode 2 2s later after DTU powered on you can make AT command configuration within 2 30 seconds Operation Make sure serial cabl
12. lt CR gt lt LF gt For example China Unicom AT CSTT UNINET lt CR gt lt LF gt China Mobile AT CSTT CMNET lt CR gt lt LF gt Jinan USR IOT Technology Co Ltd page 26 of 34 freda usr so R A SAn 2 Set DTU automatic startup mode automatic reconnect waiting time after off line Send AT CIPCFG lt auto _start gt lt keepalive_wait gt lt hex_packet gt lt wait_time gt lt wait_data_len gt lt CR gt lt LF gt return lt CR gt lt LF gt OK lt CR gt lt LF gt Parameter instructions parameters value instructions lt auto_ start O O 1 This specifies whether the module automatic recovery to original saved network connection context including TCP UDP connections transparent transmission mode etc need AT CIPSCONT command cooperate to use lt keeplive_wait gt 50 1 86400 If specified need automatic reconnection when start the network link then after the link is accidentally disconnected waiting for lt keeplive _wait gt seconds will reestablish the server connection This configuration effective for client only If specified need sending heartbeat packet when start the network link in links space lt keeplive_wait gt seconds will automatically send heartbeat packet to server This configuration effective for client only lt hex_packet gt 0 1 Whether internal command need be sent in hexadecimal text lt wait_time gt 0 O 3600000 Unit ms effective in transparent transmission mo
13. nai ii BBA eaen anr Ean REA 10 3 3 Software CONFIZUATION cccccesscccccessssssceecceeceessseecceeeeeesseeececeeeessseeecececessueeeeceesesaaeeeeees 10 3 3 1 Software interface introdUuCe ee err reen ena aaa naaa aan 10 OZ SOl Ware apera A AA EE EE EA 12 3 4 AT Command Configuration ccccccscccccccsssssseeecccesessseeeeccecesssseeeccesesssseeeceeeesesssseeeeeeeees 12 3 5 Message CONTI SUPATION iacxcssseescacsadsarseatosbicaanensoniventandasdnnadaciiveasguvaneoicwnsandabetsaasddsbwarsteaniussetes 13 A PUDU AIPIN 0 0 a 0 lt eee renner rt nae ney wena AA AA ee rere T 13 5 Application Environment Teng nn Ai A a AAA Aa 16 5 1 Application of Public Server re erra anna ena enak ana aaaan 16 5 2 Application of Router TranSit ccccccsccccccsssssseeeecceeesssseeecceeceesseeeceeeessessseeeeeeseessseeeeeeeeeas 20 5 2 Application of Server Manik nana a i8 i enne aE E EAEE RS 24 Cr T ONN AN e E E T NE AA a 25 O T Set Key Paramete nn a aiene a E EEEE EEE SEA 25 6 2 Configure DTU business Packet ccccssccccccesssssseeccceeesssseeecceeeeesssseceeceseessseeeeceeeesaeeeeees 26 SS om 2 PEN A AN E AEA A A A E A A ee 27 0A Sane E 2 E E ae ne ene EEEE eee ane 29 FN E E E bat os Bo canara A E E E ET E E E E 30 Jinan USR IOT Technology Co Ltd page 2 of 34 freda usr so FO a 9 File history x BARR U sr cn GPRS DTU User Manual www tcp232 net Sea TE PEA A E S
14. reset Return RESET OK 7 When receive the correct return after sending messages you need to send command 5 restart module to work with new configuration then the device will work in your settings 4 Public IP Instructions Jinan USR IOT Technology Co Ltd page 14 of 34 freda usr so R A SAn DTU data can not be sent to device which has not been connected to internet or intranet So public IP must be used in DTU application Following is the description of public IP Public IP is the address that the online PC obtained from Internet PC with public IP and PC on Internet can access to each other NAT Network Address Translator realize intranet IP interconversion with public IP transform mass intranet IP to one or less public IP addresses separately to reduce the occupation of public IP address The most typical application of NAT In LAN only need one computer connected to the Internet you can use NAT to share Internet connection made other computers in LAN can also surf the Internet With NAT protocol computers in LAN can get access to the computers on Internet but computers on Internet cannot access to computers in LAN On windows operating system the software of Internet connection sharing sygate winroute unix linux natd etc all use NAT protocol to share Internet connection The intranet internet access mode provided by ISP Internet Service Provider is based on NAT protocol The classification of public IP
15. software gt If your public IP address problem has been solved so your PC will have the condition as DTU data collection center then you can test and use DTU Jinan USR IOT Technology Co Ltd page 16 of 34 freda usr so O a x BARE 5 Application Environment Testing There are three application environment testing as belows 1 The application of public network server 2 The application of router transit 3 The application of server transit 5 1 Application of Public Server RS232 RS485 N ON PLC GPRS DTU RS232 E a RS485 PLC Server Signal Application Program GPRS DTU N station RS232 _ RS 485 PLC GPRS DTU 1 Testing target Server software and local device can be in two way transmission by DTU 2 Testing request DTU serial port connected with PC serial port 3 Testing tool USR TCP 232 Test debugging tool DTU 4 Testing environment Target server IP 180 186 12 99 Listening port 9696 protocol TCP Jinan USR IOT Technology Co Ltd page 17 of 34 freda usr so A UWSE TCP232 Test ES232 to Ethernet Convert tester File F Options 0 Help H COMSetting PortNum com z Baum 360 gt DPaity NONE z DataB 8 bit 7 StopB fi bit Open BAR HK Usr cn Recy Options Receive to file Add line return V Receive As HEX Receive Pause Save Clear end Options Data from file A
16. 1 50 0 0 0 0 NetProtocol TCP vy 73 C7 Receive Remote Port 1 0000 7 8 K DTU BaudRate 115200 l 7 9 Send 47 CIPPACK 0 4C4F 47 Parity data stop NONE l E l f l 10 nenna Device ID 1001 2 11 Send AT CIPPACK 1 4C4F47494E 3431303031 Heartbeat Format LOG 7 12 Receive eceivel Heartbeat Time 50 7 13 Wait Length 0 Bytes 7 14 Send AT CIPMUX 0 Wait Time 0 ms 7 15 Receive 2 CIPMUX 0 OK 16 g Write default if Nid Read Dey Conf shy Write All Config pe Software instruction 1 Select PC serial port which connected with DTU Serial port status open closed 2 3 PC Baud rate Default 115200 is okay Will be modified according to 9 4 PC Parity bit data stop bit Default value Will be modified according to 10 5 Set DTU APN account 6 Set DTU destination IP or domain name 7 Set DTU network protocol 8 Set DTU destination port 9 Set DTU baud rate Recommend default value 115200 If it is changed the user also need to modify the above baud rate of PC 10 Set DTU parity data stop bit Recommend default value If it is changed the user also need to modify these above parameters of PC 11 Set DTU ID 12 Set DTU heartbeat format 13 If specified need automatic reconnection when start the network link then after the link is accidentally disconnected waiting for lt interval gt seconds will reestablish the server connection This configuration effective
17. IM card or check hardware connection Serial port can not connect with DTU to config 1 Confirm your interface RS232 RS485 or TTL 2 Computer com baudrate default is 115200 if you have changed this before pls use the new one as you set Computer Com ComName COM1 v fines BaudRate 15200 Parity data stop NONE JIE 1 3 For RS232 interface pls use the matched serial cable we send in your package for RS485 interface use qualified RS232 to RS485 adapter recommend HEXIN active RS232 to RS485 adapter for TTL interface need serial to TTL level conversion then connect with PC SIM Card Do not support 3G EDGE and CDMA Jinan USR IOT Technology Co Ltd page 32 of 34 freda usr so F x BAR 8 Contact Company Jinan USR IOT Technology Co Ltd Address 1 523 Huizhan Guoji Cheng Gaoxin Qu Jinan Shandong China Tel 86 531 55507297 86 531 88826739 803 Web www tcp232 net Email freda usr so Jinan USR IOT Technology Co Ltd page 33 of 34 freda usr so R D a 9 File history V1 0 file established V1 5 4 add radio consumptionand 4 fre description V1 6 add GPRS232 701 description Jinan USR IOT Technology Co Ltd page 34 of 34 freda usr so
18. Send 4T CIPCFG 1 50 0 0 0 0 Receive K Send 4T CIPPACK 0 4C4F 47 Receive K Send 4T CIPPACK 1 4C4F 47494E 3431303031 Receive K Send AT CIPMUX 0 Receive CIPMUX 0 OK x Note We use China Unicom SIM Card so it should be UNINET Jinan USR IOT Technology Co Ltd page 18 of 34 freda usr so x BARE Power on and configurate DTU to set the destination IP to server IP destination port to server port and baud rate default then close the setup software Open USR TCP232 Test start the serial port that connect with DTU Mine is Com1 USR ICP232 Test S232 to Ethernet Convert tester DER File F Options O0 Help H OMS ettings COM port data receive Network data receive NetSettings PortNum coMt 1 Protocol BaudR 115200 TCP Client x au 2 Server IP i NONE l DPaity 1180 186 12 99 8 bit DataB 2 Server Port StopB fi bit 3696 PA eae Connect Recy Options Recy Options Receive to file Receive to file Add line return Add line return Receive As HEX Receive As HEX Receive Pause Receive Pause Save Clear Save Clear Send Options Send Options Data from file Data from file Auto Checksum Auto Checksum Auto Clear Input Auto Clear Input Send As Hex Send As Hex Send Recycle Send Recycle Interval 1000 000 ms http www usr cn http
19. ad Clear Load Clear LE Ready Send 0 Recv 0 Reset LE Ready Send 0 Recy 0 Reset 5 3 Application of Server Transit gp E a 232 T Rss ee See i ee P ii Signal Station GPRS DTU ad Public IP BA Server aa Signal Station GPRS DTU In this mode DTU data will be sent to our company server and then the server forward data to destination DTU to achieve remote communication between two DTU This function need the supporting of transfer program on server We can supply a simple transfer sample testing program Picture as follows Jinan USR IOT Technology Co Ltd page 25 of 34 freda usr so AE PEE A U sr cn GPRS DTU User Manual www tcp232 net m ICP Server Listen 8899 Clients list port Send TCP Server Listen Message received V HEX Iv rete receive IM forward enable ata oprate logs 6 AT Command AT command use command line that based on ASCII code command format as follows lt CR gt lt LF gt means carriage returns line feeds lt CR gt means r decimal ASCLL code is 13 hexadecimal code is 0x0D lt LF gt means n ASCII code is 10 hexadecimal is Ox0A lt CR gt lt LF gt means Carriage return line feed Pls input carriage returns and line feed but not those characters 6 1 Set Key Parameter 1 Set DTU APN account Default Mobile CMENT Send AT CSTT lt apn gt lt CR gt lt LF gt Note lt apn gt is character string return lt CR gt lt LF gt OK
20. de only When serial port receive less lt wait_data_len gt bytes data and the module waiting for lt wait_time gt milliseconds later still didn t receive serial data then will start sending buffer data lt wait_data_len gt 0 0 65535 Unit byte effective in transparent transmission mode only Module will send to connected server immediately after receiving lt wait_time_len gt bytes data 6 2 Configure DTU business Packet With AT CIPPACK command to set data format of each DTU business packet Jinan USR IOT Technology Co Ltd page 27 of 34 freda usr so R A SAn When the module is establishing a connection which specifies send some command protocol packet such as register packet heartbeat packet Parameter definition is as belows 0 Heartbeat packet 1 Device register packet Device ID a Heartbeat packet set Send AT CIPPACK 0 lt keepalive_packet gt lt CR gt lt LF gt Return lt CR gt lt LF gt OK lt CR gt lt LF gt Note lt Keepalive_packet gt is hexadecimal character string b Device register packet Device ID set Send AT CIPPACK 1 lt register_packet gt lt CR gt lt LF gt Return lt CR gt lt LF gt OK lt CR gt lt LF gt Note lt register_packet gt is hexadecimal character string The data format definition of heartbeat packet or other data packet each byte is called Hexadecimal character string maximum support 80 bytes hexadecimal heartbeat packet Example AT CIPPACK 0 4C4F47 Confi
21. e connected with PC software running and serial port opening When DTU powered on again it will show BATS 0 Ver V01_B01_025 DTU 01 Build Time 2012 12 27 14 08 When it shows device started please finish read and configuration within 15 seconds then click configure all parameters This operation should be finished before DTU mount GPRS about 10 30 seconds During this time you can make the operation of reading configuration If overtime you will need power on and operate again 3 4 AT Command Configuration Open serial testing software and serial port corresponding with PC power on again the same steps as 3 3 2 software operation AT commands please refer to 6 AT commend instruction Jinan USR IOT Technology Co Ltd page 13 of 34 freda usr so Anu U sr cn GPRS DTU User Manual www tcp232 net 3 5 Message Configuration In the case of GPRS network have been mounted by DTU send short messages to configure steps as follows 1 Change IP Message content 111888 setip 0 lt ipaddr gt For example IP is 182 32 116 166 So message content is 111888 setip 0 182 32 116 166 Return SETIP OK 2 Change port Message content 111888 setport 0 lt port gt For example port is 7100 So message content is 111888 setport 0 710 Return SETPORT OK 3 Inquiry DTU parameter 111888 status 4 Change Bund rate 111888 setbaud 115200 5 Restart DTU to work with new configuration 111888
22. gure DTU heartbeat packet data format AT CIPPACK 1 4C4F47494E3A31303031 set module register packet LOGIN 1001 6 3 Set TCP IP 1 Link Mode Support single link mode only as this device in transparent transmission mode Configure single link mode send AT CIPMUX 0 lt CR gt lt LF gt Return lt CR gt lt LF gt CIPMUX 0 lt CR gt lt LF gt OK lt CR gt lt LF gt Configure common data mode send AT CIPMODE 1 lt CR gt lt LF gt Return Jinan USR IOT Technology Co Ltd page 28 of 34 freda usr so R A SAn lt CR gt lt LF gt CIPMODE 1 0 lt CR gt lt LF gt OK lt CR gt lt LF gt 2 Configure a TCP or UDP client link and automatic reconnection Only start one client link in single link mode All parameter will be kept in the module after running this command Note Need configure APN account of GPRS method as follows Send AT CIPSCONT lt mux gt lt net_protocol gt lt ip_address gt lt ip_port gt lt link_mode gt lt CR gt lt LF gt Return lt CR gt lt LF gt OK lt CR gt lt LF gt Note lt net_protocol gt lt ip_address gt is character string lt mux gt Single link mode default O lt net_protocol gt Network protocol type lt ip_address gt IP address lt ip_port gt Port lt link_mode gt Link mode 0 Don not need to keep long link 1 Specify whether it need reconnect to server after the link idle specified time value 2 Send customized heartbeat packet and keep long link after link in s
23. ion industry 1 Pollution source monitor 2 Atmospheric environment monitor 3 Noise monitor 4 Dust monitor Agricultural applications 1 Greenhouse remote monitor 2 Aquaculture farmers monitor 3 Water pump monitor and control Other industries 1 Warehouse monitor management 2 Elevator remote monitor 3 Remote crane management system 4 Industrial energy consumption monitoring 5 Gas station GPRS data acquisition system 6 GPRS weather information collection system Features Easy to use only configurate few parameters Use WAVECOM industrial module 701 use MD251 industrial module Support TTL RS232 RS485 interface choose before purchase Using single module embedded protocol stack no external CPU higher stability Embedded TCP IP protocol stack and GPRS technology Jinan USR IOT Technology Co Ltd page 4 of 34 freda usr so R A SAn Support remote parameters settings can change IP port ect by SMS Support GSM network four frequency for global Support public and APN network access Can configure heartbeat pack data format transmit interval and keep connection VV V V with server Can configure log pack data format and automatically establish network connection with server gt Support data length control can set the length of single sending package and data pack waiting time gt Support ALWAYS ONLINE mode and dropped reconnect gt Completely transparent transmission can take place of data transfer radio
24. is not running 64ms On 800ms Off Module does not find the network 64ms On 3000ms Off Module find the network 64ms On 300ms Off GPRS communication DATA When TCP link is established it will on 2 6 Serial Port Instruction 2 6 1 RS232 Definition RS232 port use 9 pin female hole Only three lines are defined the rest is empty Jinan USR IOT Technology Co Ltd page 9 of 34 freda usr so R A SAn Diagram 2 2 RS232 interfaces D haa Function instructo TXD Device data transmit RS232 level 5 GND Ground Communication SA a Diagram 2 3 RS232 Pin description In order to debug easily serial cable will be supplied for customer to connected with PC directly 2 6 2 RS485 definition Please inform us before order if you need RS485 version DB9 connector is the same as RS232 port on above photo As to 6 9 pin of RS485 following function I Indicia Function Instruction 6 485 A A pin of RS485 RS485 level 9 485 B B pin of RS485 RS485 level Diagram 2 4 RS485 pin description As to RS485 equipment we supply a DBY pin connector and case for users make RS485 cables by themself 2 6 3 TTL definition Please inform us before order if you need TTL version DB9 connector is the same as RS232 port on above photo use pint pin4 and ping following function D indicia Function instruton RXD Device data transmit RS232 level GND Communication common place Diagram 2 5 TTL pin description
25. oad Clear http www usr on Send The local can also receive data from server 5 2 Application of Router Transit Jinan USR IOT Technology Co Ltd page 21 of 34 GPRS DTU User Manual www tcp232 net freda usr so OT ARH A Usr cn RS232 RS485 PLC GPRS DTU RS232 lt RS485 PLC GPRS DTU RS232 RS485 GPRS DTU GPRS DTU User Manual Jf Signal Station www tcp232 net Router with public IP in J Buiddew Hod f Computer 1 Testing target DTU send data to router then router forward the data to destination PC 2 Testing request DTU serial port connected with PC serial port 3 Testing tool USR TCP 232 Test debugging tool DTU 4 Testing environment Given router public network IP 60 208 252 67 and has been set port forwarding Forward port 9696 to the destination PC Log in router page and set for example we use D LINK router steps Internet connection gt Advanced as following picture Boa DTU lt lt Reece 7 spit Jeunes Restart router after finish settings 5 Configuration 192 168 0 109 Jinan USR IOT Technology Co Ltd page 22 of 34 AH 9696 9696 Lm Ee v 9696 ru freda usr so Anu A USR GPRS232 700 V1 1 0 0 File F PIEL Help H Computer Com ComN ame COM1 x BaudRate 115200 te Parity data stop NONE l a l 1 x Close
26. pecified idle time value For example AT CIPSCONT 0 TCP 182 32 112 178 7000 2 single link mode network protocol is TCP IP is 182 32 112 178 port 7000 link mode is 2 6 4 Set Serial port parameter 1 Baud rate operation a Inquiry send AT CIPR lt CR gt lt LF gt Return lt CR gt lt LF gt CIPR lt rate gt lt CR gt lt LF gt OK lt CR gt lt LF gt b Setting send AT CIPR lt rate gt lt CR gt lt LF gt Return lt CR gt lt LF gt OK lt CR gt lt LF gt Baud rate setting successfully Then work as per new baud rate lt rate gt Range of value 110 300 600 1200 4800 9600 14400 19200 38400 56000 9 600 115200 Jinan USR IOT Technology Co Ltd page 29 of 34 freda usr so x BARE 2 Serial data bit parity bit stop bit settings a Inquiry send AT ICF lt CR gt lt LF gt return lt CR gt lt LF gt ICF lt format gt lt parity gt lt CR gt lt LF gt OK lt CR gt lt LF gt b Setting send AT ICF lt format gt lt parity gt lt CR gt lt LF gt Return lt CR gt lt LF gt OK lt CR gt lt LF gt Setting successfully Then work as per new data bit parity bit stop bit With this command can set start stop asynchronous frame format of the local serial port When DCE receive DIE command and sending message text and result code lt format gt lt parity gt format as follows Format 1 8 data bit 2 stop bit 3 8 data bit 1 stop bit 4 7 data bit 2 stop bit 5 7 data bit 1 parity bit 1 stop bit
27. tic is same as 00 including drill hole Jinan USR IOT Technology Co Ltd page 7 of 34 freda usr so AB AR sr cn GPRS DTU User Manual www tcp232 net Diagram 2 1 USR GPRS232 701 without shell 2 3 Antenna and SIM Card Installation The antenna use SMA female base Revolve the SMA male head to DTU antenna base and ensure it is tightened not to affect the signal quality When install or take out SIM card firstly use a spike to insert the little yellow point on the right side of SIM base then SIM cutting ferrule is open SIM card should be put into cutting ferrule in first while installing ensure metal face outside 2 4 Power Supply DTU is widely used in complex external environment To adapt to its application and improve working stability of system it use advanced power technologies users can use our 5V 1A power adapter directly 700 power supply ranges DC5 50V 701 power supply ranges DC5 28V 2 5 Indicator Lamps There are 3 indicators on DTU NET POW DATA Jinan USR IOT Technology Co Ltd page 8 of 34 freda usr so x BARE 2 5 1 USR GPRS232 700 Always Search network Quick flash AN Off Slow flash when Search establish Quick flash when connected connected off when connection Slow flash when disconnected disconnected GPRS connection Always quick flash Slow flash established 2 5 2 USR GPRS232 701 index name description 2 NET State Module function Off Module
28. uto Checksum Auto Clear Input Send As Hex Send Recycle Interval 1000 ms Load Clear L Ready Send 0 Recv 0 Reset I amp Ready GPRS DTU User Manual COM port data receive Network data receiv www tcp232 net 180 186 12 99 Disconnect Recy Options Receive to file IV Add line return Receive As HEX Receive Pause Save Clear end Options Data from file Auto Checksum Auto Clear Input Send As Hex Peers al Connections poe Send Recycle Interval 1000 ms Load Clear Send 0 Recy 0 Reset Note Here we use USR TCP232 Test to simulative network server 5 Configuration 2 USR GPRS232 700 V1 1 0 0 File F PKL Help Computer Com ComN ame COM1 BaudRate 115200 v Parity data stop NONE l lg 1 DTU Parameters Config APN Name EMNET A IP DomainN ame TCP vit 2 DTU BaudRate 115200 0 Parity data stop NONE 8 1 0 Device ID hon o Heartbeat Format LOG Heartbeat Time 0 Wait Length 0 Bytes 7 WaitTime 0 ms NetProtocol Remote Port J a Write default P Read Dev Config R2 write All Config Information Seed Clear information Receive BATS 0 Receive VerV01_B01_025 DTU 01 Build Time 2012 12 27 14 08 5 end AT CS T T CM N E T Receive
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