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1.   3 2 35 RSRVPARM1  RSRVPARM2  RSRVPARM3  SRVPARM4    DTU additional configure four retention parameters for functional expansion and upgrading  The  RSRVPARM1 and RSRVPARM2 as string format  RSRVPARM3 and RSRVPARM4 as the data format   the range of 0   65534     3 2 36 GPS DATA REPORTING AND INQUIRY    When GPS data reporting interval is set to 0  that is not actively reporting GPS data Other value   represents the time interval in seconds    G There are five kinds of GPS data type selection  GGA  GSA  GSV  RMC  VTG   G When the power supply of the GPS is set to IDLOFF Meaning When not actively reporting GPS data   disconnect the power supply of GPS   d When the power supply of the GPS is set to IDLWAIT Meaning When not actively reporting GPS  data  keep the GPS connection data center can query through the GPS instruction  extraction of  GPS positioning information    d  GPS data reporting interval  using the default value of 0  the GPS data will not take the initiative to  report to the data center         Click on the  GPS access  to get the current GPS data   the specific steps  according to the software   operation          GPS data packet format explanation   for example    CU  GPRMC 090756 173 V 0000 0000 N 00000 0000 E   120211   N 7F    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 19 of 24       LIXiSE    SMART GENSET    LXI680 Industrial grade External GPRS Wireles
2.   Dongguan Tuancheng Automation Equipment Co    LTD   strength  can be  0 to 31   the 31 refers to the strongest signals  O refers to the weakest  but only  10 to    31  strength can be normal communication I the output signal strength for the   CSQ  99 99  no signal   3 2 29 Help   Use this command to obtain help information  serial port can be configured DTU parameters to facilitate  users without manual data and special configuration tool case    3 2 30 RSTDTU   When you activate the project  the module will perform a software reset action     3 2 31 DEFAULT    When you activate the project  the module will restore the default settings  mainly for the DTU  configuration after the restore default settings     3 2 32 SETLIST    Although the use of the read command can read any configuration items  but bulk read it to repeatedly  sending a read command  affect the operation efficiency  especially in the remote configuration mode is  not convenient  It can use this command to get all params from DTU     3 2 33 OUTSET    The user to complete all configuration  use this command can make DTU exit the configuration mode   and then use the new configuration parameters into the normal operating mode After using this  command in remote configuration mode  DTU will save the new configuration parameters to the FLASH     3 2 34 100 data acquisition channels    100 is to provide users with a data acquisition interface  User only need to collecte external data to 1OO  auxiliary port  and 
3.  Data Center    After configuring the DTU  the DTU exit the configuration mode  DTU will automatically enter the working  mode  it will automatically connect to just set the data center servers     4 1 4 DTU Connected User Devices    Put your serial devices connected to the serial port of the DTU  baud rate and data format of serial  device and DTU to match the configuration of the interface  as shown in figure 4 3     TTL level    Y TXD  RXD    GND             GPRS DTU User device  Figure 4 3 DTU and serial connections    4 1 5 User Equipment And Data Center Communication  After DTU connected to the data center  users and data center equipment can communicate the data     5 Statement    LXI690G industrial grade external GPRS wireless Data Transmission Unit  DTU  and related software  are copyright at FeiRui Electronics Co   Ltd  The property rights of LXI690G is protected by state  laws without the authorization of FeiRui Electronics Co  Ltd  any use and copy by the other companies   organizations  agencies and individuals is illegal will be severely punished by the law    If you need our company products and related information  please contact us  we will warm reception     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 24 of 24       
4.  screwdriver   press the drawer yellow dots  to make DTU shell on the SIM card drawer pop up The  specific steps are as shown in figure 2 1        Here is SIM card  Insert SIM card into DTU like this     Press the yellow button  to eject the SIM card     Figure 2 1 Remove the SIM card drawer    After take out the drawer  fix SIM card into it Then put them back to product  Detail in Figure 2 1     lt  Noteht inhibits to take out SIM card during DTU running with power During initialization  the SIM card  will be deleted all SMS text messages We apologies that your useful information is lost if you don t  backup them     2 3Power Selection And Installation    Voltage supply range of the product is  6 V   36V  power supply ripple control in less than  300mV When the product for wireless communications  instant change of current will be great  so  the external power of resistance should be as small When using a 6V power supply cables to try to  rough     2 4Terminal Signal Description     lt   Note  The interface signal level is accord with the RS 232 procotol standard   12V   It can t  directly drive the TTL device  If not the TTL device is possiable to be damaged  Next is the  typical connecting solution     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 9 of 24       Ni L       LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dong
5. 1234 is mapped to a data center server IP  address 192 168 0 20  please refer to the specific setting method using routers use      LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 23 of 24    LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     4 1 2 DTU Configuration    According to your need to set the DTU  see the section  Device Configuration  setting method    Table 4 1 lists the setting items  you need to pay attention to is the IP address of the primary data center  must be setup web server where the public IP address  114 112 59 236  port number for the data center  software working port  ie 51234     Table 4 1 Configuration parameter list                                              Local settings Target Setting Transmission Network parameters  DTUTYPE LXI690G   SVRCNT 1 SERBAUD 57600   APN CMNET  HDVER V1 00 DNS  SERDAT 8 USRNAM   SWVER V1 00 SVRIP 114 112 59 236   SERSTP 1 PWD   DTUNAM LXIDTU01   SYVRNAM  SERCHK NONE SMSNO  86 13800200500  DTUID 3000638303   SVRPORT 51234 FLOW OFF DTUMODE CLIENT  PHON 13812345678   CNTMODE TCP BEAT TIM 100 LCOPORT   MODE ONLIN SVR1IP  BEATDATA FE USERNO1    SVR1NAM  SERS 100 USERNO2   SVR1PORT  MTU 512 USERNO3   CNTMODE1  IDLETIM 30 DTUPWD 123456  TRYCNT 5 SETDAT SAVE   TRYTIM 30   TRYSPAC 20                   4 1 3 DTU Connected
6. Dat     3 2 21 SERS  MTU    There is two ways to discriminate a data frame after DTU reveives the 1st byte from user  client Firstly when the data length has reached Max Limit MTU   the current frame is finished   Secondly when the data period is reached Max Limit SERS   the current frame is finished  From next  byte it is counted for next frame  If there is no special requirement  please refer to figure 3 8             lt     Pre Data bag Next Data bag          LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 16 of 24       LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     Figure 3 5 The time interval between two bag    In GPRS networks  large data packets will increase the propagation delay  and easily lost  it can be  based on reasonable maximum length of local network setup data packet When GPRS receives the data  reaches the maximum number of data packets the module will send them as a data packet  these  actions are transparent to the user  also can be said to be hidden      NOTE  Ifthe params    SERS       Max Frame interval  and    MTU    Max Frame length  is set to not  reasonable  it will increase the GPRS data flow or the transfer delay User can set them by actual case  If  there is no specail requirement  it refer that    SERS    is 100 ms and    MTU    is 1024 Byt
7. Ni         LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     LXI690G    Industrial grade External GPRS Wireless Data  Transmission Unit  DTU     Ver1 0 Date  2010 08 23       LIxiSe    e Lab      Im    Date Collection Modue    4a Mode   LXI690G   1 Oiirtertace    O RS 232 O RS 485    OGPRS O COMA              m Res Measuring Range zum  Analog Measunieg Range O 5V  MILIND Analog Output Renge   o zy    FORM Digital VO Logie THe  Snatmng Digiial O Frequency O 100Ke    mee  ram aL  FS a    BHR  0700231627090  http  www amarigenset com  Mace in    Software Version                         Date Version   Note  2010 08 23 1 0 Original release  LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296 A  www lixise com Page 1 of 24    Kaap    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD   Contents   1 STRUCTURE AND PERFORMANCE OF THE PRODUC I vucecssesjissceineoncesassenncunnonntstion sec sdtanenvenrasphsbceenenctetestes 4  1 1 SUMMA ecserin iiteraria Eas Si 4  12 Prod  ct F CALUCS ares e E E E E EE E E E EE 5  1 3 Performance Parameters svcoccsicsecednssnvencnrinnsvesicvenosinesivastesncbovciussteos eens vnvensutinnsEeduedeitnenslesynesnemsvcioneiteesednsbuvensetiess 5  1 4 Mechanical Dimension S serie eEu 6  1 5 Networ
8. O GPS   8H  Power    7 30VDC   AmE Em Res Measuring Range  0 SKOHM  HME Analog Measuring Range  0 5V  ig SEM Analog Output Range  0 5V  WF1 0i8 4 Digital I O Logic TTL  P O Digital UO Frequency   0 100Hz    aa  Dongguan Feirui Electronics Co  Ltd    83 mm  52mm    MRS PM  0769 23162896  http   www smartgenset com  Made in china       Figure 1 2 LXI690G shell size graphics    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 6 of 24       Ni L       LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     1 5 Networking mode          DTU data center server       Mobile  device    Internet      Remote data  sampling    Vending  machine   Outdoor LED so   screen R t t Remote monitoring  PO Jenera instrumentation  control system  Figure 1 3 Schematic plan  LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636  amp   F  86 769 23166296 H  www lixise com Page 7 of 24    Ni         LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD    1 6 Typical connections    The LXI690G module allows the remote user equipment and management center computer for  transparent data communication  Transparent data communication  There is no communication  protocol 
9. and a backup center  this parameter is used to control a  number of data center  if the number of data center station is set to 1  the backup center become invalid     3 2 10 DNS    When you use a domain name connection data center  need to configure the DNS IP The use of local  mobile DNS server connection would be more quickly  such as Guangdong Mobile DNS server IP  address is  211 136 20 203  Shanghai mobile DNS server address  211 136 17 107  Beijing mobile  DNS server address  211 136 18 171 Of course  you can also search for  Chinese DNS server list  on  the  Baidu   find a local DNS server configuration In addition  this can be left blank  the use of DTU  internal curing DNS address     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 14 of 24          LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     3 2 11 SVRPWD    In order to increase the security of the data center  DTU log on the target server will send a packet  called  registered package  data  see Section 3 4  In the registration packet parameters  users find the  software login password does not match  you can refuse to log on the device  Login Password  can be  set to any 8 byte string     3 2 12 Parameters Of Main Center Server    A target server settings include the IP address and port number  if the serve
10. between the user device and DTU  If DTU transfer data to the target PC the software  running on the PC can receive what DTU sent For example  the user device sends a byte of data     0x68     then run on the PC side software will receive a byte of data    Ox68    Same if PC transfer data to    om    9    Date forward to User       Internet                   iL  See ee   3    DTU Data center server User terminal    Peay    Satellite          Can control generator by  Mobile base station wireless terminal    Remote  data  sampling    Figure 1 4 Remote monitoring program    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD       T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 8 of 24    Ni         LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     2 EQUIPMENT INSTALLATION    The product must be installed correctly  in order to achieve the desired design requirements   this section mainly explains the installation step product      2 1 Antenna Installation    The antenna interface is a 50Q SMA pedestal  And the external antenna must be compatible with  GPRS module  If not  there is a risk to damage product  and DTU also can   t work     2 2SIM Card Installed    The product is used in a mobile GPRS network  so we need to purchase the operator SIM  card Before installing the SIM card   the first to use a sharp object  such as a small  
11. cccvescnusceonpescesnserncevonspedeveapnncetoutebectherveteqensvedessanwaespvecenneerceee 23   41 2 DTU Configura oNN S  E 24   4 1 3 DTU Connected Data Center  cccsssssssssessessssesesssssesceesssaesecesesssesesseseesessesceaseeneaeeaesesees 24   4 1 4 DTU Connected User Devices             s sseseeesseeeeesssesessrsrstsesestsstterstssstsessssssesesesestesesestsesesosseses 24   4 1 5 User Equipment And Data Center Communication  24  EMA 24   LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 3 of 24    Ni        LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     1 STRUCTURE AND PERFORMANCE OF THE  PRODUCT    1 1 Summary    LXI690G is an industrial grade with GPS global satellite positioning function GPRS DTU product  The  product integrates a high performance  low power industrial grade GPS module and GPRS module  H  combin perfectly GPS global positioning technology and GPRS wireless communication technology      LXI690G platform based on ARM and embedded operating system  built in industrial grade module  it  can be used in harsh environments  working temperature range can be up to  40  C     85  C LXI690G  provide standard RS232 serial interface  can be quickly and PLC  industrial control  instruments  meters   RTU equipment is linked together  through the GPRS network wil
12. configuration tool    From the distance to points  including  local serial port configuration  and  remote GPRS wireless  configuration   they use the same command format The entire configuration process as shown in  Figure 3 1 The following contents  each operation step will introduce according to flow sequence  in  order that you can be properly configured and read these parameters Please read the contents  carefully     3 1 1 Enter The Local Configuration Mode    Open the configuration software  the DTU is connected with the computer via a RS232 cable As shown  in Figure 3 3   1  Click  Enter configuration state    2  DTU power   3  Configuration software to display  enter configuration mode of success   can be configured for DTU   4  After configuration is complete  click  Exit configuration state   DTU can enter normal working  condition                       FeiRui DIU Configuration Software Verl 8 a    x   PageLocalConfig   PageRemoteConfiz  BI LOCALSETTIEG    I  com v   Baudrate  a0 ei  DataBits be ei  DTUNAM   GC  SR StopBits  Two G    OFFLINEMODE Parity  Hone  ONLINEMODE    2  Hz DCSETTING  SYVRCHT 1  DNS  SVRPWD j   SVRIP cl    SVRNAM  SVRPORT  CNTMODE 3    SVRIIP ei ExportConfig a ImportConfig  SVRINAM  SVRIPORT  CHTMODE  T  TRYSVRTIM    TRYSVRITIN    TRYGAP    TRYPAUSEGAP    TRYINCGAP  TRYMAXGAP v  DTUTIPE  DTVTYPE_INSTRUCTION  LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www 
13. connect channel by these information But it is unstable    and easy to lose data in GPRS UDP mode  So suggest not to use UDP mode    lt   Remark  At present  DTU LXI680 only supports TCP mode     3 2 13 Standby Central Server Parameter    A target server to set the IP address and port number  if the server does not have the fixed IP address   you can use the domain name ln the server s IP address is valid  the domain name will be ignored  The  connection attempt failed many times the main center server  DTU will automatically switch to connect  the standby center server When using the standby server  if it is remote configuration connection is  suddenly disconnected  DTU will reconnect the standby server If it is in work mode suddenly  disconnected  the target server will switch back to the center server     3 2 14 Reconnect Interval Number    In the network signal is not good  or the data center server fails  connecting the target server may not  smooth  if DTU continues to try to connect  it will produce a large amount of data flow  increase the  burden on the user Through this parameter  the user can easily control the connection condition    Target reconnection interval for control of two attempts to connect time  minimum 20s  maximum of  65534 seconds For example  suppose you configure reconnect interval is 200s  connect the number is 5   the IP and port number of main center and backup center has set DTU tries to connect the main center  if  the DTU connection failed wi
14. d    When an authorized user using SMS settings DTU must send the correct DTU login password  otherwise  unable to configure the parameters must be configured for 6 bit  any character      3 2 27 Debugging Information    This parameter has four options are  AMPL  STAN  SMPL  OFF  When    OFF    option is not chosen    client can get the feedback after transfering configuration to DTU in configuration Mode         Feedback information  If config DTU by some computer s supper terminal tools  the tools can t  display what has tranfered into DTU  So the feedback informatin need to show in computer  But  when config DTU by some device  it has no any help for feedback information  Suggest s to close it    d Debugging information  n order to operation convenient staff debugging DTU  DTU will print out  information about the device to work from the local serial port  such as connecting to server  information Debugging in the system is finished  the debugging information is useless  you can shut  down the function     3 2 28 GPRS CSQ    This is a read only project  mainly used for system debugging understand the signal of DTU  locations  The information obtained using the command format  CSQ  XX   the XX refers to the signal    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 17 of 24       LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU 
15. d the period value can be  set by    IDLETIM    config param  Its range is from 30 second to 65536 second       Idle offline  This mode is similar to the work of the ldle offline   the difference is  idle power down  mode  in DTU to disconnect from the server  DTU will cut off the power supply of the GPRS module   and make the whole system to enter a power down state  to achieve low power consumption  The  system power down state  the machine consumes less than 60mA  suitable for battery powered   intermittent communication occasions    Note  In the DTU to disconnect from the server  there is only one way to re establish the connection   between the DTU module and the server  s to send data to the serial port of DTU  DTU will be awakened    and then automatically connect to the data center server  the module connected server successfully   sent the data If the user device does not take the initiative to the DTU serial port to send data  DTU will   not be able to connect to the server  please careful configuration of this    d SMS offline mode  SMS activation module  send a message  as shown in Figure 3 3  to the module   so that the module is disconnected from the server Such as  123456  LINEOFF  ON          DTU login password  6 character   LINEOFF ON  Figure 3 3 Module Offline Message Format           lt   Note  The message format in the punctuation     must be entered in the English format   LINEOFF   can be lowercase    d Ringing offline mode  Reservations    When DTU is 
16. e     3 2 22 IDLETIM  When there is no user data requests sent over this time value  GPRS module is powered down or offline     3 2 23 APN  USRNAM  PWD    These parameters are usually use the default values H you use a special VPN card  then these  parameters set according to the actual situation     3 2 24 SMSNO    Under normal circumstances  you do not need to configure the message center number  the default  configuration can use SIM card If the message center number is not configured correctly  DTU will not  send Short Message  The format of SMS number center is     861380xxxx500     note      86    is  necessary    Referto SMS carrier  Usually do not need to modify the SIM card SMS center  number As long as you keep the project is empty  not fill any characters   then the SIM card SMS center  number will not be modified When the device is set SMS function must ensure that the correct message  center number  otherwise send and receive text messages will not be carried out smoothly     3 2 25 USERNO1  USERNO2  USERNO3    The LXI690G can be set to three authorization number  mobile phone number can be authorized to DTU  configuration parameters and wake up with a text message or ringing  and when DTU configured as a  server  you can learn DTU local IP and port number    NOTE  When any one of the three authorized user number is set to  888888  any number in the  password is correct   you can carry out the message to the DTU  not including ringing     3 2 26 DTU Login Passwor
17. ent correction factor high  IOORSCALIBH   0 19000  100 Resistance measurement correction factor low  IOORSCALIBL   0 19000    Wi    Ze    Wi    Ze    Gu    Ze    Wi    Ze    100 assisted acquisition functions to achieve expansion port operations  the following list   Q  If the configuration 100 function  IOOFUNCFG  digital inputs    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 18 of 24    LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD    When IOOREPORTENSB is ON  according to the IOOREPORTIME time interval   port status is   reported on the basis of IOOSAMPLING interval basis  if meet the IOOTOUCHCFG conditions and   achieve lIOOFILTERNUM number  When the IOOMSGENB is not OFF  according to lOOMSGENB s   phone number  the contents of the IOOMSGCONTENT is reported    Note  When lIOOTOUCHCEG is low effective  high port for the trigger condition  When lOOTOUCHCFG is   high effective  low port for the trigger condition  When lOOTOUCHCFG change effectively  port level   change trigger conditions     2  If the configuration 100 function  IOOFUNCFG  digital output   When IOOREPORTENB is ON  according lOOREPORTIME time interval  it reports port status    according IOOTOUCHCFG and IOOSAMPLING to output high and low voltage    Note  When lOOTOUCHCEFG is low effective to output lo
18. er ee ae etter Nr oer at eer a 16  KEE 16   LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 2 of 24    Kaap    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     st Fo dlc     THM eege EE Ee eegene 16   92A IBEA FOVER EE 16   3 2 20 BEA TDATA rner E R E A AEE R EEEREN 16   3922 VSERS  Jee 16  HIRT AT 17   3 2 23 APN  USRNAM  JEE 17   9 2 24 SMS NO EE 17   3 2 25 USERNO1  USERNO2  VEER treier deeg deene 17   3 2 26 DTU Login Password 17   3 2 27 Debugging Ke Ta Le xcsscersete conse votenccenemmtbndarncceenssvasnstesbiclgleusncatGieienlendds ss veldcdencianssnd  daites 17   39 2 28 GPRS CS Qrin a A ST A E E AAE ENE A R 17  EE 18   a TDTO coca ence emai et he eect oie 18   CC DEFAULT ET E E A EEE EEE EEE 18  GN E E E dae E EEEE EE 18   S   Ae UE ET   E  E 18   3 2 34 100 data acquisition channels cece cccescesecsscescesecsscceeesecssscseesscsaccseceeeesecssseeseaecaeeaeenees 18   3 2 35 RSRVPARM1  RSRVPARM2   RSRVPARM3  GRVDARMA 19   3 2 36 GPS DATA REPORTING AND INQ GBR Y         5    Ne ceccscessscecsssesersersscscenssssecsecnesnesssnsecees 19   3 3 SMS Configuration              A    D wt  A xscddcadalsddhaancblabbanelialanibtadeiieiaaeecanndants 20   4 APPLICATION PP CN  WI EE ME 23  4 1 DTU and public network data Center senger 23  4 1 1 Establish Data Service CMatMe lr seccisisc
19. ge   which means that the configuration was successful     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 20 of 24    Ni         LIXiSE  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD           sf Send message to    GSM network set the IP and Port    LI  of the data center             Communication  signal tower    Remote  data  sampling    Figure 3 6 Schematic diagram of SMS configuration  Note  The message is not configured to use the AT command  but there is a specific format  as shown in    figure 3 7  The configuration message must follow the format  or they will not be correctly configured  DTU     DTU Login  Password       Command n 1                     Command 1   Parameter           Command n   Parameter n            No parameters        Parameter comman j S  arameter co and Command             Figure 3 7 SMS configuration command format    d The message and local configuration commands  parameters are the same  a message can  configure a single device parameters  we can also configure multiple parameters  but the user needs  to control the message length of not more than 140 English character      e SMS format has the following provisions  the SMS content must begin with DTU login password   SMS text must be in English  each command and parameters needed English punctua
20. guan Tuancheng Automation Equipment Co    LTD        GPRS DTU User device    Figure 2 2 DTU and user equipment interface    2 5System Connection  After the completion of the above installation  H is success of the remote communication system  As    shown in Figure 2 4     gt      p             Communication  Communication signal tower  gateway    RS232 connection    To       DTU data center  User device  Figure 2 3 System Connection  LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636  amp   F  86 769 23166296 H  www lixise com Page 10 of 24    LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     3 Device Configuration    3 1 Configuration Method Of DTU    LXI690G is powerful  It has many function configuration  If it is distinguished by the configuration  page  including  the character configuration  and  graphical configuration  the character  configuration doesn t requires any special tools  Any serial debugging tools  such as  serial  debugging assistant   can directly to config the params Graphical configuration using a special  configuration tool  supporting software and product   the software interface is easy to use Graphic  configuration is used to set the configuration commands from the DTU  but the configuration tool for  the completion of all commands issued and resolution So users can also generate their own  
21. guration does not support command are as follows   l  l  l    Print help information command  HELP     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296 A  www lixise com Page 22 of 24       Ni         LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     4 APPLICATION EXAMPLES    4 1DTU and public network data center server  This section describes the DTU group network communication process As shown in Figure 4 1    Install data center    j    configure DTU    U    DTU connects to data center  across the GPRS network         DTU connects to user  device by RS232          User device communicates       with data center     Figure 4 1 DTU application procedure    4 1 1 Establish Data Service Center    Suppose you want the company to set up the LAN IP address 192 168 0 20 data service center on the  PC  the whole LAN gateway to the internet through a router IP is 192 168 0 1 Router WAN port  address   As shown in Figure 4 2             Other PCs  IP 192 168 0 22    Be    Other PCs  IP 192 168 0 21            Router  LAN IP 192 168 0 1 Data center server    WAN IP 166 111 8 238 IP 192 168 0 20  TCP port 51234    Figure 4 2 Data center network topology    In order to make your data center server to receive the public network to the data  we have to do to  convert the network address on the router  NAT   port 5
22. is parameters control the serial character data format  the user to set according to its own serial  equipment requirements     3 2 17 SERCHK    This parameter controls the parity type serial communication  value relations as shown in table 3 3   Table 33 Serial port check and parameter  Check bit   No check   Odd check Even check    Settings NONE ODD EVEN                            3 2 18 BEATTIM    After the module is connected to the server  if long time no data flow  module connection will be the  operator Cut In order to maintain active connections  the module will send a few bytes intermittent  meaningless data to the server  the data is called a heartbeat packet  Two heartbeat packet between the  interval time can be set according to the local network situation   usually tens of seconds Users can set  the heartbeat packet interval by this parameter ranges from 30 to 65534  unit  seconds      3 2 19 BEATOVER    When the heartbeat packet is sent  if the heartbeat packet is not received within the timeout response  packet  this situation occurs three times in a row  it should appear abnormal re connection for DTU  network Users can set the heartbeat packet response timeout by this parameter ranges from 1 to 65534   unit  seconds      3 2 20 BEATDATA    The beatdata can be set to any ASCII string Users can also set their own heartbeat packets data  20  bytes in length  such as   BeatData   when using the AT commands to configure the following format        AT BEATDATA Beat
23. king mode  7  1 6 Typical Connechons cccccececssesesssecsseeeeesecssessessecesecsesessaecseesesssecseeceeseecsaesseseeseaecseseesesscseeneesaeeaaeenees 8  2 EQUIPMENT UNS Te AN EE 9  2 1 Antenna Eelere 9  2 2 SIM Card VSN EE 9  2 3 Power Selection And EE d 9  2 4 Terminal Signal Description  9  2 5 System Connection EN   H 10  3 Device Configuration  EE  ET TE 11  3 1 Configuration Method Of D TU   neun  E cece cecagllh cccsssessesecessssesceaesneseeesesseseceseaeess 11  3 1 1 Enter The Local Configuration Mode use 11  3 1 2 Remote Configuration Mode  WW    egene tenscressssssnsesssessssenssessesnsssnsnsees 12  3 1 3 Exit Configuration lode    ff  B A MMe ccssessssssscncesssssesecsscessnsersesescnsersessesnenees 12  3 2 Set Project Description  The device is equipped with AT command  ou    eee ceeteeseeteeeeeeeeeesees 12  3 2 1 DTUTY PE ia r NM WT  a aa E raa a a A EE EE A EERTE AEE 12  3 2 2 DTU ID         O    ME 12  3 2 9  HDVER  SWVER eN ee E 12  3 24 DTUNAM  i d WE 12  3 25 PHON ME 13  EENEG Eeer 13  Seil Hee 13  SEELEN 14  SSB ee ad i emer ae erate E eR Yo te nn eR aaa Tae aR 14  Sne LE 14  AE WO EE 15  3 2 12 Parameters Of Main Center Server             ccesssssssssesesssessesssscnesssseeeceesseassecnsensseseeaesnesesnensees 15  3 2 13 Standby Central Server Parameter ices   lt ccsciescatsecsnssscetenssdceveoucssecessucsetnrssestateuadeteoeasactersstectes 15  3 2 14 Reconnect Interval E 15  3 2 15 Serial Port Baud RE 16  3 2 16 SERDAT  SERS TP vere ae een terete a an e
24. l be linked to LXI690G equipment data  transmission to a host on the Internet  realize the data remote transparent transmission  at the same time  to the front end equipment of GPS location information reported to host  realize positioning of the  equipment     LXI690G has positioning  wireless data communications and data processing capabilities in a  compact Rugged  reliable  easy to install lt can be widely used in construction  transportation and  other industries  Particularly suitable for tower crane monitoring  heavy machinery management But  also can be used in the field of taxi operations management  transport vehicles  special vehicles   vehicle rental management and leasing     G       Mart ee were  rei ng undog  HUE  vm D sudd0    SgrzRD Cap OR  SOSGIX pen    PITO bauo   D    i  i    KO  ia mb mm  H       i       Figure 1 1 LXI690G product appearance    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 4 of 24    LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     1 2Product Features    Ki  Ze    Each frame can be set to 1024B length  CACHE 4 frames   suitable for continuous transmission of   large amounts of data    Use of Aweigh industrial GPRS module  embedded protocol stack    Supply voltage range  6V to 36V    Apparatus having power off function  convenient 
25. lixise com Page 11 of 24    Ni 8 Pre   LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     Figure 3 1 Configuration Software Interface    3 1 2 Remote Configuration Mode    The way for staff in the project is not convenient to on site installation of equipment debugging   schematic as shown in figure 3 4  Remote ways to make DTU enter configuration mode  you need to  meet the conditions  DTU is connected on the target server     WY    we     lt          interner   A    Communication    signal tower KM La  x y  GPRS v m   a P a  N ONY   N      Remote configuration  DTU Remote  parameters DTU       Figure 3 2 Schematic diagram of the remote configuration    3 1 3 Exit Configuration Mode    After the end of DTU configuration  if you want to enter the setup mode you need through the serial port  or remote server send control commands in the  exit configuration mode command to the DTU     3 2 Set Project Description  The device is equipped with AT command     3 2 1 DTUTYPE   Modules for the product model number from 10 byte ASCII characters  This parameter is read only  type  set by the manufacturer  users can not modify   3 2 2 DTUID    This is the only identity number module  through this number  the server can identify the connected  module The number is 15 ASCII characters  set by the manufacturer  users can not modify     3 2 3 HDVER  SWVER    They reflect the software and hard
26. munication cost of GPRS flow  but DTU from idle  state to restore communication ability with again connection server   requires a certain amount of  time  this is related to the local network  usually for several seconds to tens of seconds     Table 3 1 Comparison of various working modes                               Commun  Operating Hardware   Operating GPRS R mode ication GPS F Bed ry  Voltage status Voltage link S recovery link S  connection tine time  GPRS mode N  ON 9   GPS mode  lt 370mA   Keep Keep recove   Immediate   Keep   Immediate  Normal ON ry  mode GPRS mode N  ON 9   Discon   GPS mode  lt 370mA   Keep Keep recove Immediate nect  lt 60s  OFF y  A SMS    GPS mode  lt 70MA Open Keep Serial  lt 5S Keep   Immediate  data  ON  GPRS mode  OFF Disco Serial l   GPS mode  lt 60MA met Disconnect data  lt 30S Keep   Immediate  Idle mode ON  GPRS mode  ON Disco   Serial Discon  GPS moda  lt 60mA Mect Disconnect data  lt 30S nect  lt 60s  OFF  GPRS mode  OFF Disco e Serial Discon   GPS mode  lt 60mA on Be Disconnect data  lt 30S haat  lt 60s  OFF                               3 2 8 DTU MODE    This parameter is used to set the DTU role  when the DTU mode configuration for the  client mode     DTU initiative connections to servers in the data center When the DTU mode configuration for the  server  mode   the server waits for a connection to the client     lt   Note The current device only supports client mode    3 2 9 SVRCNT    The DTU allows you to set up a primary center 
27. nne   GE Up load channel  CS 1  CS 2  CS 3  CS 4    3V  1 8V O O  SOS E  SEET RRE  Se RSR    Serial port baud rate 300 115200bps Supports standard baud rate  Power supply DC   6V 36V ee O    Working  Max380mA  TBD    Standby   lt 80 mA  TBD    leisure   lt 80 mA  TBD  Details refer to  model description   Power down   lt 60 mA  TBD  section    25  C  70  C fe   40  C  80  C a    power dissipation       LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296 A  www lixise com Page 5 of 24       Ni         LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     Humidity range 0   95     Table 1 2 Indicator Status Description    LED Lamp State   Description      Power   Data state Light Working status  Data is being transmitted   Standby    Already connected to a wireless network  Not connected to a wireless network  Connecting to data center    To find the satellite signal  but not locate of the  Fast flash l    latitude and longitude    Light off No data is transmitted  Light Has positioned the latitude and longitude  GPS Green  Slow flash The satellite signal was not found       1 4Mechanical Dimensions    122 mm       e UIXISE    e SMART GENSET JIJE               OMIA     X1 690  Connect     Data Collection Modue     8 Model   LX1690G      0  Interface    O RS 232 O RS 485   M 4  Network  D GPRS O CDMA  ei GPS   
28. online  by phone call DTU in the SIM card  number  so that the DTU offline  This model can reduce the communication cost of GPRS  flow  Please note that the configuration of the authorized user number    d Data center command offline mode  Data center issued a disconnect from the server link to  DTU The user through the data center to realize the DTU disconnect server link  Without relying on  other offline mode     3 2 7 Online Mode      Three kinds of online   user data wakeup  SMS wakeup  ringing wakeup         User data wakeup  DTU received from serial port to user data  DTU from idle to recover the data  center communications      Ringing wakeup  SMS activation module  send a message  as shown in Figure 3 4  to the module   so that the module is disconnected from the server Such as  123456  VAKEUP ON          DTU login password  6character    WAKEUP ON          Figure 3 4 Module Wakeup Message Format      Note  The message format in the punctuation     must be entered in the English format      WAKEUP   can be lowercase     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 13 of 24       LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD   d Ringing wakeup  Through the phone call in the DTU SIM card number  use the DTU to hang up  it  has awakened  This model can reduce the com
29. r does not have the fixed IP  address  you can use the domain name In the server s IP address is valid  the domain name will be  ignored    Note   In the network communications  there are two ways to TCP and UDP communication    The TCP communication is based on communication connection mode  one for the server  the other one  for the client  in the initial state  the server in the listening state  wait for a client to connect to a server   data center applications usually server mode  while DTU usually client mode In the TCP communication  mode  any party in the received data packets must be carried out after the response  so the method has  the advantages of reliable communication  but in communication speed will be slightly slower than UDP  mode UDP is not based on the communication connection  communication both sides are equal  any  party in the received packet to each other after no response The UDP has the characteristics of  communication speed  but the stability and data reliability than TCP When TCP connection is established   the DTU logon data center server can exchange data  while UDP connection  data center hosts and DTU  to establish a UDP connection Because the DTU in the mobile operator s network  so the network   Internet  device cannot communicate directly with the DTU  In this case DTU has to connect public    Network for initiative  When DTU send data to data center by UDP mode  the data frame has IP address  and Port number  Then data center can built a 
30. s Data Transmission Unit  DTU     Dongguan Tuancheng Automation Equipment Co    LTD      2   6PRMC 090758 182 A 3958 2382 N  11621 4878 E 1 06 201 56 120211   A 6A  Table 3 4 GPS DATA REPORTING AND INQUIRY                                                    Name Example Unit Description  ID  GPRMC RMC Protocol header  UTC time 090758 182 hhmmss sss  Example is the UTC Time 9 07 58 182 s  Status A A represents valid location  V represents invalid  location    ddmm mmmm  Example represents 39 degrees  Latitude 3958 2382 58 2382 minutes  North and N N represents north latitude  S represents south latitude  south latitude  dddmm mmmm  Example represents 116 degrees  Longitude 11621 4878 21 4878 minutes  East and west E E represents east longitude  W represents west  longitude longitude  Ground 1 06 MPH   1 06 mph in sample   speed  Crowne 201 56 Degree   North as the reference standard  heading  Date 120211 ddmmyy  Example represents 2011  2   12   field direction Degree   E represents east   W represents west    Check  GA   lt CR gt  lt LF gt  News end marker       3 3SMS Configuration    In addition to the use of local and remote configuration of DTU  LXI690G also supports message  settings When the data center server failure  DTU was unable to connect to the server  you can use       mobile phone SMS to configure the DTU  which is connected with other data center or make DTU reset   as shown in figure 3 6 When the DTU configuration is complete  the phone will send a reply messa
31. set 1O0 configuration with a appropriate parameter  when DTU is in normal operation   user can remote monitoring of the external data by PC software  There are several features can be  configured     Ka 100 function configuration  IOOFUNCFG   digital input  digital output  analog input  analog  output  resistance measurements are five kinds of fixed string type       100 Polarity configuration  IOOTOUCHCFG   Low effective  high efficient  change effective    are three kinds of fixed string type    100 Analog input matching set value  IOOADCGATE   0 5000mV   100 Resistance measurements match the set value  IOORSMGATE    10 5000 Q   100 Set frequency the trigger  IOOFILTERNUM   1 99   100 Sampling period  IOOSAMPLING   50 65534mS   100 Data reporting enable control   OOREPORTENB   ON  OFF are two kinds of fixed string    Wi    Ze    Wi    Ze    Gu    Ze    Go    Ze    Gu    Ze    ate  wr Le   CH  OH    100 Data reporting time interval   OOREPORTIME   5 65534 seconds    IO0 Message  alarm enable contro   IOOMSGENB   off  phone number1  phone number 2  phone  number 3 is four kinds of fixed string type     Ka 100 Alarm message content  IOOMSGCONTENT   Limit ASCII visible characters  symbols   letters  numbers  is any character type   Ki 100 Checking  IOOCHECK   1 data center inquiries is equivalent to a reporting    process  2 SMS query    100 Analog input correction factor  IOOADCALIB   0 19000   100 Analog output correction factor   OODACALIB   0 19000   100 Resistance measurem
32. th intervals of 200s repeated attempts to connect the main center  the  opportunity to run out until 5  Then  the DTU will switch the target server  try connecting standby central  if  the connection fails  will connect the backup center in 200s  until the 5 connecting the opportunity to run  out H the system is running out of 10 connection opportunities  system will enter the waiting time System  add interrupt interval increasing function  that is to say when a number of main and standby service  center connected after the failure  connection interruption interval time will increase the number of a set   connection interruption interval increasing time  So  with the more and more number of main and  standby service failed to connect  disconnect interval is also more and more big  until the upper limit set     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 15 of 24       LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     3 2 15 Serial Port Baud Rate    The control parameters of DTU serial communication baud rate  must use standard baud rate  communication  support the baud rate as shown in table 3 24     Table 3 2 Baud Rate    Standard Baud Rate  300 600 1200 2400 4800 9600 19200   38400   57600   115200                                              3 2 16 SERDAT  SERSTP    Th
33. tion      separated the content of the message except the login password is case insensitive    For example  Configure password  123456      1 When you need to change the DTU destination IP and port number  send SMS as follows      123456 svrip 140 114 72 33  svrport 23 rstdtu on    2 When you need a DTU IP connection mode changes to the domain name connection  send text  messages as follows    LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD   T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 21 of 24       Ni 8 Pre  LIXiSe  SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU     Dongguan Tuancheng Automation Equipment Co    LTD    123456 svrip  svrnam dtu lixise com svrport 8888 rstdtu on    Note  W hen using domain name service DNS  to land the network  it has to set    svrip    to empty   3 Get CSQ by SMS    123456 CSQ  DTU response to the above message configuration  if configured correctly  SMS returns authorized users  such as   Done  SVRPORT  8888   if there is not support command error or the content of the short  message is returned  ERROR      After the completion of all the parameters configuration  H you want to save DTU parameters to FLASH   need to join  OUTSET  ON  to exit the configuration commands     All the read commands   CSQ command except    Restore default settings command DEFAULT   Get information command configuration parameters SETLIST      lt  gt  Note  the SMS confi
34. user control    Data transparent transmission  the user does not need to understand the complex TCP IP  PPP and   other protocols    Support data center dynamic domain name or IP address access    Support for alternate data center    Support APN virtual private network service    Support online forever  Idle offline  idle power down  ringing offline  SMS offline   data center   command offline and other online mode    Support for user data  SMS and telephone wake up function    Support break automatically reconnect function    There is advanced feature the flexible connecting network  It can save much GPRS network flow    Support local and remote graphical interface to configure and maintain    Support SMS configuration and maintenance    Support the virtual serial port data center functions  the seamless connection of the existing PC   software    d Supports GPS positioning data reporting and query functions  data import google map to achieve  precise positioning satellite map         Reliable design of multiple hardware and software  combined the watchdog technology  make the   safe running of the equipment     Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Ki  Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    Wi    Ze    1 3Performance Parameters  Table 1 1 The main parameters of LXI690G    Parameter   emaks      Networks GPRS mobile station type  Network type      GPRS Multisport Class type  Feens    EECH  Down load cha
35. w  When IOOTOUCHCFG is high   effective to output high  When IOOTOUCHCFG change effectively  according IOOSAMPLING   port for level adjustment     3  If the configuration 100 function   OOFUNCFG  as an analog input   When IOOREPORTENSB is ON  according to the IOOREPORTIME time interval  it reports port   status  on the basis of IOOSAMPLING time interval  if meet the IOOTOUCHCFG and   IOOADCGATE conditions  and reached the number of IOOFILTERNUM  in the IOOMSGENB is   not OFF  according to IOOMSGENB s phone number  send the contents of the   IOOMSGCONTENT     4  If the configuration 100 function   OOFUNCFG  analog output   When IOOREPORTENSB is ON  according to the IOOREPORTIME time interval  it reports port   status  according IOOADCGATE output corresponding PWM  0    gt  OmV  100    gt  5000mV      5  If the configuration 100 function  IOOFUNCFG  resistance measurement   When IOOREPORTENSB is ON  according to the IOOREPORTIME time interval  it reports port   status  on the basis of IOOSAMPLING time interval  if meet the IOOTOUCHCFG and   IOORSMGATE conditions  and reached the number of IOOFILTERNUM  in the IOOMSGENEB is   not OFF  according to IOOMSGENB s phone number  send the contents of the   IOOMSGCONTENT    Notes  when lIOOTOUCHCEG is low effective  the input resistance is higher than lOOADCGATE   as the trigger condition  when IOOTOUCHCEG is high effective  the input resistance is lower   than lOOADCGATE as the trigger condition  not to support  IODOTOUCHCFG change    
36. ware version of the module information  the parameters set by the  manufacturers  users can not modify Users to seek technical support  to provide this information can get  more specific suggestions     3 2 4 DTUNAM    When using multiple DTU  name of the user can for these DTU configuration has practical  significance  The device name is limited to 8 characters     LXI690G Product User Manual Dongguan Tuancheng Automation Equipment Co    LTD        T  T  86 769 23836636 ZS  F  86 769 23166296    www lixise com Page 12 of 24    LIXiSE    SMART GENSET LXI680 Industrial grade External GPRS Wireless Data Transmission Unit  DTU   Dongguan Tuancheng Automation Equipment Co    LTD     3 2 5 PHON    This parameter requires user configuration  but not DTU automatic generation  This parameter is not the  system running conditions  it will not affect the running module  which is used for the server to read  module of the mobile phone number    This parameter is a ASCII character  such as  13712341234      3 2 6 OFFLINE MODE      Support online forever  Idle offline  idle power down  ringing offline  SMS offline   data center  command offline and other online mode    d Always online mode  Module power active connection set a good server  and maintained an online  state  can rapid transmission of data at any time    d Offline mode  When the module is connected to the server  if there is no data transmission over a  period of time  DTU will be disconnected from the server into dormancy An
    
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