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INSYS GPRS 5.1 serial 

Connection 

 

 

37 

that it can not be determined if the remote terminal has disappeared without 
properly terminating the connection (e.g. due to a failure of the radio network or a 
failure of the remote terminal). 
It can also occur that GPRS network providers terminate connections themselves 
to be able to offer the resources to other participants, if there is no data transfer 
for an extended period of time. 

For these cases, TCP offers a suitable accessory by sending Keep Alive messages. 
The period between two monitoring packets can be set to 1 minute steps (or be 
turned off completely).  

 

If three successive monitoring packets are not responded to, the connection is re-
garded as terminated, and the INSYS GPRS 5.1 serial returns to offline mode. If the 
device is configured as a leased line device, the connection will then be re-
established. 
Keep Alive will mostly be used for leased lines, because the application on location 
is usually not able to assume the connection control and monitoring. 

Alternatively, the settings can be entered or modified using the terminal pro-
gram. 

TCP Keep Alive Timer is set to 10 minutes 

AT**KEEP=10

 

Save changes 

AT**SAVE

 

Changes take effect with a restart of the de-
vice 

AT**RESET

 

 

 

Note 

 
Keep Alive creates traffic, as each Keep Alive packet is in principle 
an empty TCP/IP message which must be confirmed by the remote 
terminal. For a Keep Alive, two empty TCP/IP messages with 40 byte 
each are sent.  
When selection the TCP aggregation timeouts, the rate and the bill-
ing type in your GPRS agreement must be considered as well. 
See also Chapter 8.8 

5.2.8.2

 

Forming data packets 

For a TCP/IP-based transmission such as the 
“TCP transparent” connection, the transmit-
ted amount of data consists not only of the 
sum of all user data of the application and 
the required TCP/IP headers. 

 

Each TCP/IP message has a protocol over-
head of 40 bytes. For each message there is 
also a confirmation message from the re-
mote terminal with 40 bytes as well. 

 

 

Содержание GPRS 5.1

Страница 1: ...INSYS GPRS 5 1 serial Manual...

Страница 2: ......

Страница 3: ...m Inc IBM PC AT XT are registered trademarks of International Business Machine Cor poration INSYS e Mobility LSG and e Mobility PLC are registered trademarks of INSYS MICROELECTRONICS GmbH Windows is...

Страница 4: ...s 23 4 6 1 Command Mode 23 4 6 2 Connection Mode 23 5 Connection 24 5 1 Logging into the GSM Network 24 5 2 TCP Transparent GPRS Modem Emulation 28 5 2 2 Defaults 28 5 2 3 Settings for the leased line...

Страница 5: ...gital Inputs and Potential Free Outputs 59 6 7 1 Automatic SMS Dispatch Via Switch Input 59 6 7 2 Connection Setup via Switch Input 62 6 7 3 Transmitting Input States to Another INSYS GPRS 5 1 serial...

Страница 6: ...12 1 General 94 12 2 Mechanical Features 94 12 3 Power Supply 95 13 Connections Display and Control Elements 96 13 1 Serial Interface 97 13 2 SIM Card 97 13 3 Internal Design 98 14 Declaration of Conf...

Страница 7: ...pin RS232 cable User Guide Please contact your supplier if the content is not complete Please also check the modem for shipping damage Please also refer to your supplier if anything is dam aged Please...

Страница 8: ...ections TCP Listen Dedicated line function leased line design as CSD or TCP IP possible intelli gent re dialing time outs for TCP IP cost cutting configurable substitute ac cess for redundant paths Ca...

Страница 9: ...d remote Integrated SIM reader and external SIM interface for 3V 1 8 V SIM cards Hardware watchdog Extended data formats for the serial interface Hardware and software handshake at the serial interfac...

Страница 10: ...tions Connection setup and SMS dispatch triggered via second switch input PPP user name extended to 38 characters New baud rate 28800 2 200 Enhancement Baud rate 14400 configurable Effect of ATV and A...

Страница 11: ...T and end with a Return Carriage Re turn CR AT commands can be entered in capital or small letters The command is processed after the modem received a CR input In the following the used syntax is expl...

Страница 12: ...e available Status Yellow GSM engine not logged into network TCP connection to the remote ter minal has been established Initialization phase Slow flashing 100 ms on 1900 ms off INSYS GPRS 5 1 serial...

Страница 13: ...3 GND GND X1 GND Reset GND Input 1 Input 2 GND 10 60 VDC 1 2 4 5 6 7 8 9 10 3 Power supply IN 1 IN 2 Ext Reset Terminal Meaning 1 GND Ground 2 X1 Reserved 3 10 60V DC Power supply 10V 60V DC 4 GND Gr...

Страница 14: ...tem Terminal In Chapter 5 Connections and Chapter 6 Functions the HSComm GPRS or an other terminal program can be used for the configuration The AT commands can be directly entered into the HSComm GPR...

Страница 15: ...ly 10 60V DC Note The minimum supply voltage value is 10V DC The maxi mum supply voltage value is 60V DC 5 Connect the antenna Use a suitable GSM antenna You can obtain suitable GSM antennas as access...

Страница 16: ...p bit data rate 19 200 Bits s To synchronize the interfaces in the Software HSComm GPRS use the button Synchronise RS232 For the configuration the settings of the serial interface of the PC and the IN...

Страница 17: ...g 17 4 5 3 Entering the SIM PIN into the Device 1 Start the program HSComm GPRS 2 Read out the settings 3 Enter the PIN of the SIM card you are using 4 Transmit the value to the INSYS GPRS 5 1 serial...

Страница 18: ...ken button see image above the SIM card holder using a pointed object and remove the card holder Caution Danger of short circuit for your SIM card A short circuit may occur due to sliding contacts whe...

Страница 19: ...power supply on The device will boot the power LED will light up continuously and the status LED will blink 6 Wait until the boot process is completed The Status LED goes out which indicates that the...

Страница 20: ...of the GSM Signal 2 Read out the GSM field strength Use the button GSM signal in HSComm GPRS The field strength is displayed The response should be a field strength of at least 12 other wise the ante...

Страница 21: ...ial in Parameters 2 Enter the GPRS Access Point Name in the software HSComm GPRS or se lect it from the list Your mobile network provider will inform you about the name of your APN Please find an over...

Страница 22: ...ial Use the button Send settings in the program HSComm GPRS 4 Perform a restart Use the reset key at the front of the device or disconnect the de vice from the power supply for a short time 4 5 8 Conn...

Страница 23: ...nsparent After switching from data mode to online command mode the connection will remain established but no data is transmitted to the remote terminal The online command mode is also entered by DTR d...

Страница 24: ...SDN GSM GSM AT command SMS Callback Leased Line Incoming call GPRS direct via PPP 5 4 TCP IP GPRS EDGE AT command 5 1 Logging into the GSM Network To enable the device to log into the GSM network the...

Страница 25: ...is not always suc cessful Manually selecting the exclusively preferred network will correct this problem In the first step the display of all available network providers would be a plus Click on the d...

Страница 26: ...erial Afterwards the device must be reset After the current settings have been read out the INSYS GPRS 5 1 serial is registered If the device is preconfigured for another country a search for the desi...

Страница 27: ...rge from INSYS In our example the German network T Mobile with the identification number 26201 is used Network provider selection for T Mobile in Germany AT PROVIDER 1 2 26201 Perform a RESET to use t...

Страница 28: ...he remote terminal either directly via the IP address e g 212 77 161 1 or via the domain name e g www insys icom de 5 2 1 2 Incoming TCP connections The INSYS GPRS 5 1 serial is addressed via its IP a...

Страница 29: ...FIX IP solutions authentification must in general al ways be used On the basis of the entered APNs you can determine if a user name or a password is required user username or pw password PAP authenti...

Страница 30: ...ack AT PPPAUTH auth Save settings AT SAVE Perform RESET accept all parameters AT RESET 5 2 3 Settings for the leased line The INSYS GPRS 5 1 serial will automatically establish a leased line after the...

Страница 31: ...r 20 seconds If the connection setup fails the device will attempt to dial the AutoDial alternative destination If the connection setup to the AutoDial alternative destination fails as well or if no A...

Страница 32: ...ative access Setting for leased line function AT LL2 6 Remote terminal domain name AT AUTOURL2 url Remote terminal TCP port AT AUTOPORTURL2 port Save settings AT SAVE Perform RESET accept all paramete...

Страница 33: ...SETUP the INSYS GPRS 5 1 serial can now be reached via its IP address If the connection can not be established network failure etc or if the connection is terminated the INSYS GPRS 5 1 serial will au...

Страница 34: ...the transfer of data can begin 5 2 6 Automatic connection setup leased line With the leased line function a preset destination is automatically dialed The connection setup and the connection itself ar...

Страница 35: ...cept incoming TCP connections Alternatively the settings can be entered or modified using the terminal pro gram Incoming connections are indicated in the terminal program RING The connection acceptanc...

Страница 36: ...re started with AT TCPLISTENWAITRST 3 after the third dialing attempt 20s 80s 320s This will restart the dialing cycle The default value for this set ting is 255 Note This setting increases the avail...

Страница 37: ...or leased lines because the application on location is usually not able to assume the connection control and monitoring Alternatively the settings can be entered or modified using the terminal pro gra...

Страница 38: ...ation using the ATH command in online command mode By DTR drop for the setting AT D2 If the remote terminal hangs up After switching from data mode to online mode the connection will remain estab lish...

Страница 39: ...connections The connection acceptance takes place either automatically or after a set number of ring signals or manually with ATA To accept a call manually with ATA 0 must be set for Ring tones until...

Страница 40: ...mmand mode By DTR drop for the setting AT D2 If the remote terminal hangs up After switching from data mode to online mode the connection will remain estab lished However data is no longer transmit te...

Страница 41: ...SYS GPRS 5 1 serial provides only raw PPP da ta In this case the application must perform the required protocol stacks PPP TCP IP for the application In this mode the TCP IP stack of the INSYS GPRS 5...

Страница 42: ...d will be ATD 99 1 The successfully established connection is indicated by the control signal DCD and the message CONNECT After the GPRS connection has been successfully established the protocol stack...

Страница 43: ...ts of a maximum of 16 characters and pro tects switching into remote configuration during a data connec tion CSD or TCP transparent accepting SMS for activated automatic SMS processing Click on the GS...

Страница 44: ...ion is activated only connections which originate from the released phone numbers 1 to 3 are accepted To use this func tion the caller himself has to activate the calling line identification presentat...

Страница 45: ...the signalling They can neither be accepted manually The caller receives the signal BUSY For each incoming call the phone number is displayed as well ATA BUSY RING CLIP 49941586920 1 45 0 The released...

Страница 46: ...s domain name or phone number in the configuration In connection with the function CSDPRIO see Chapter 4 3 it is also possible to trigger a callback if the called INSYS GPRS 5 1 serial has a TCP conne...

Страница 47: ...ection destinations IP address and port Domain name and port GSM data connection CSD Store the callback connection type IP domain name CSD for the three phone numbers AT AUTOIP ip AT AUTOPORTIP port A...

Страница 48: ...e center should be made available for this call For a call from the Clip number 2 mobile phone a TCP transparent connection to the service center must be established The service center has a normal mo...

Страница 49: ...P 1 AT CLIP1 494989949494 AT CLIP2 491711253456 Store destination IP for callback Store destination TCP port for callback AT AUTOIP 200 12 0 120 AT AUTOPORTIP 10000 Store callback settings AT CALLBACK...

Страница 50: ...e call acceptance AT CLIP 1 Two modes are available In the first mode AT CSDPRIO 1 only authorized calls may trigger this function and terminate the connection In the second mode AT CSDPRIO 2 any call...

Страница 51: ...wo ring tones in general actually 5 to 6 ring tones RINGs are re quired Please set the number of rings to a minimum of three rings to ensure full func tionality if you want to use automatic call answe...

Страница 52: ...ill not be rated Alternatively the function can be set using the terminal program In general activate selective call acceptance To activate the call signals or enable them to be processed by the INSYS...

Страница 53: ...GPRS 5 1 serial will login to the strongest available GSM network If required a preferred network can be pre selected with the command AT PROVIDER if necessary AT PROVIDER mode form at oper 6 4 2 Per...

Страница 54: ...any case Examples In our example 1 the INSYS GPRS 5 1 serial will be logged out and back in every 3 hours Alternatively the scheduled logout login can be set changed or deleted using the terminal prog...

Страница 55: ...ocessing of SMS messages can be set using the HSComm Click on the GSM GPRS tab 6 5 1 Activation Activation in HSComm is done by clicking the automatic SMS pro cessing Each incoming SMS is deleted afte...

Страница 56: ...o 60 seconds Alternatively the GSM reading interval can be changed using the terminal program AT GSMREQ n Note Due to different GSM GPRS network structures it may occur that the provider cannot delive...

Страница 57: ...ssword and a confirmation is desired Note Between CN phonenumber a space must be entered If no phone number is entered after CN the response returns automatically to the sender password command CN pho...

Страница 58: ...ary The INSYS GPRS 5 1 serial evaluates all SMS storage locations made available by the GSM GPRS engine storage locations of the SIM card and storage locations in the engine itself The SMS settings fo...

Страница 59: ...is triggered through a change of the input from HIGH inactive to LOW GND active The level change is accepted after 0 3 sec onds i e the input is debounced In addition there is the possibility for IO t...

Страница 60: ...Functions INSYS GPRS 5 1 serial 60 changes at the other input while a state change at one input is being processed the event is stored and processed later...

Страница 61: ...ocation if you want to trigger an SMS via the second input AT CMGD 1 AT CMGD 2 The SMS service center number of the network provider may be omitted if the number is stored on the SIM card AT CSCA SCNR...

Страница 62: ...to the predefined AutoDial destinations automatically The inputs are debounced At the time of events at the switching inputs existing connections are terminated In TCP Listen mode the TCP Listener is...

Страница 63: ...nnection The second INSYS GPRS 5 1 serial can output the transmitted states at the outputs The second device can output the states of its in puts at the outputs of the first device as well The Leased...

Страница 64: ...Functions INSYS GPRS 5 1 serial 64 Configuration of the first device...

Страница 65: ...INSYS GPRS 5 1 serial Functions 65 Configuration of the second device...

Страница 66: ...tivate the change transmission for input 2 Set the transmission behaviour for the transmission when the level is changed for the transmission after a certain time in minutes Values for n 1 255 minutes...

Страница 67: ...ion behaviour for the transmission when the level is changed for the transmission after a certain time in minutes Values for n 1 255 minutes The option AT INPUTTIMEOUT Option can be used sim ultaneous...

Страница 68: ...password is queried be fore the switching to the remote command mode occurs Note See also Chapter 6 1 1 Password Protection After the escape sequence is detected the prompt for entering the password a...

Страница 69: ...e with the ending hex is sent as a text file After the file has been received the device needs up to 60 seconds to complete the upload Afterwards the INSYS GPRS 5 1 serial will automatically perform a...

Страница 70: ...t the beginning of a TCP connection 6 10 1 2Information about New IP Address This setting will only apply to the operating mode TCP Listen It is used to communicate the just allocated IP address toget...

Страница 71: ...ORTURL AutoDial destination port for domain name X X X X X AT BAUD Baud rate of the serial interface X X X AT CALLBACK AutoDial function callback X X X X X AT CLIP Selective call answer X X X X X AT C...

Страница 72: ...X X X X X AT LLWAIT Incrementation of the waiting period between leased line dial up attempts X X X X X AT LOGOUT Timer controlled log out login X X X X X AT OUT Set reset the switch outputs X X X X...

Страница 73: ...sten X X X X X AT TCPLISTENWAITRST Number of failed dialup attempts until reset in TCP Listen mode X X X X X AT VCOM Support of the INSYS virtual COM port driver X X X X X AT VCOMPORT UDP destination...

Страница 74: ...saved immediately after they are entered without AT SAVE but become only effective after a restart AT PROVIDER AT PIN AT GPRSAPN AT PPPAUTH The following settings are immediately saved and become effe...

Страница 75: ...ed CSD call call at data phone number required SMS Voice connection call at voice phone number required 8 1 2 GPRS and EDGE When using data services via GPRS EDGE provider offer various contract optio...

Страница 76: ...and download are possible Price struc tures which are not time based make this technology suitable for regular re quests of plant data as well as transmission of large data amounts e g video im ages 8...

Страница 77: ...application server TCP IP GPRS Net radio components and internal GPRS net IP INSYS GPRS device Application remote site Controller GSM GPRS Engine Note The integrated TCP IP stack will establish a new...

Страница 78: ...or its IP address from being accessed by so called scanners As GPRS is billed by the amount of data this prevents un wanted and costly data traffic This also means that the following functions may no...

Страница 79: ...o communicate with each other as well as with computers in the Internet via a VPN connection 8 5 Data Rates The INSYS GPRS 5 1 serial has the following characteristics GPRS Multislot class 12 Coding S...

Страница 80: ...ser The network providers use different coding schemes according to the reception situation 1 TS 2 TS 3 TS 4 TS CS1 9 05 18 1 27 15 36 2 CS2 13 4 26 8 40 2 53 6 CS3 15 6 31 2 46 8 62 4 CS4 21 4 42 8 6...

Страница 81: ...mes are among others a part of the Quality of Services Theoretically there is a possibility for requesting a certain QoS profile from the provider during the connection setup via AT commands AT CGQREQ...

Страница 82: ...computer will either communicate directly with the data logger via the RS232 interface or via leased line modems for remote applications To save investment and maintenance costs rent when using leased...

Страница 83: ...er user data acknowledge is sent Set up Command e g ACK 1 byte Checksum 1 byte Total 2 byte 8 8 2 General data amount For GPRS such as for all IP based transmission methods the user data of the ap pli...

Страница 84: ...for example terminates the connection after approximately 30 minutes without data transfers For this reason applications that exchange data in larger intervals should consider a Keep Alive timer The...

Страница 85: ...pure data transmission When a TCP IP connection is established via the INSYS GPRS 5 1 serial data is also generated 128 byte The INSYS GPRS 5 1 serial will not terminate a once established con nection...

Страница 86: ...contract M2M Connect with M2M Data 1 is sufficient at all events there is enough reserve available The monthly costs would be 3 95 2 95 6 90 Euro With user data acknowledge 177 byte 15 min 708 byte 1...

Страница 87: ...is is a test E Plus E1 D 49 177 061 0000 151 dialing code Phone number 1510941586920 This is a test T Mobile A 6762 dialing code Phone number 67620941586920 This is a test Swisscom CH 41 79 499 9000 D...

Страница 88: ...many Internet t mobile not required not required D2 Vodafone Germany web vodafone de not required not required E Plus E1 Germany internet eplus de eplus gprs O2 E2 Germany internet not required not re...

Страница 89: ...ust be entered to enable the card Switch to the terminal program to enter the PUK and enter the following command AT CPIN PUK new PIN The SIM card is not ena bled Please contact the contact center of...

Страница 90: ...at the application are not identical The INSYS GPRS 5 1 serial and the applica tion configuration PC or controller must be operated at the serial interface with the same settings for baud rate and dat...

Страница 91: ...nsparent check the selection of the network provider For some network providers PAP authen tication is required Please find a selection of network provid ers for German speaking countries Ger many Aus...

Страница 92: ...stered in the GPRS network CGATT 0 the device could not be registered in the GPRS network Please contact the customer care center of your provider The remote terminal IP address or URL can not be reac...

Страница 93: ...RST and AT TCPLISTENWAITRST By de fault the counters are set to 255 and mirror the currently known behavior With each failure only the redialing time period is extended 20s 80s 320s 640s 1280s 3600s 3...

Страница 94: ...tomatic dispatch of a predefined SMS when the switch input is activated Baud rates 300 600 1 200 2 400 4 800 9 600 19 200 28 800 38 400 57 600 115 200 Data formats 8N1 8E1 8O1 8N2 7E1 7O1 7N2 7E2 7O2...

Страница 95: ...parts An easily accessible isolation device that disconnects all lines must be installed prior to commissioning of the device to be able to isolate it completely from pow er supply A suitable external...

Страница 96: ...play and Control Elements Position Description 1 Antenna connection 2 RS232 interface connection 3 LEDs 4 SIM card slot 5 SIM card eject button 6 not used 7 Reset key The screen of the antenna system...

Страница 97: ...it Data 103 BA D1 I 4 DTR Data Terminal Ready 108 CD S1 I 5 GND Ground 102 AB E2 6 DSR Data set ready 107 CC M1 O 7 RTS Request to send 105 CA S2 I 8 CTS Clear To Send 106 CB M2 O 9 RI Ring Indication...

Страница 98: ...ion by the controller the response to the application e g OK is created directly by the controller If the GSM GPRS engine is activated while commands are entered the response to the application is det...

Страница 99: ...o Low Voltage 2006 95 EC as well as the Council Directive R TTE 1999 5 EC The equipment is in conformity with Directive 2011 65 EU of the European Parliament and of the Council of 8 June 2011 on the r...

Страница 100: ...acturer of the device to verify that the equipment is properly shielded Pace maker patients are advised to keep their hand held mobile away from the pacemak er while it is on Switch off the cellular t...

Страница 101: ...unications for example emergency calls Remember in order to make or receive calls the cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength Some...

Страница 102: ......

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