Campbell Siemens TC35T GSM User Manual Download

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Siemens TC35T GSM

Digital Transceiver

Instructions for Use

With Campbell Scientific

Dataloggers

Issued 11.12.03



2003 Campbell Scientific Ltd.

Summary of Contents for Siemens TC35T GSM

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Page 3: ...lieu of all other guarantees expressed or implied including those of suitability and fitness for a particular purpose Campbell Scientific is not liable for consequential damage Please inform us befor...

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Page 5: ...odem as a Base Station 11 6 3 2 Configuring the TC35T as a Base Station using PC208W 11 6 3 3 Extending the Default Time Outs 11 6 4 Ending a Call 12 7 Datalogger Programming Hints 14 7 1 Controlling...

Page 6: ...PIN configuration 4 Appendix D Using the TC35T with Storage Modules D 1 D 1 Introduction 1 D 2 The Problem Explained 1 D 3 Solutions 1 Figures 1 Connection of SC932C to TC35T 4 2 Connecting the TC35T...

Page 7: ...to allow data devices to be connected It has the following features Standard RS232 serial port Relatively low power consumption Wide operating temperature range 20 C to 55 C Can be used to collect dat...

Page 8: ...1 2 Network Coverage One of the main advantages of using a cellphone network is being able to set up a communications link to a datalogger virtually anywhere without installing land or telephone lines...

Page 9: ...ll normally apply to such calls too Where many calls have to be made in quick succession ISDN digital landlines can be used with a digital terminal adaptor in the calling PC If correctly supported and...

Page 10: ...modules connected to the datalogger please see Appendix D for advice on possible problems you might encounter 3 1 SC932C Interface This is the preferred interface because If the TC35T is programmed to...

Page 11: ...as shown in Figure 3 Fit the SC32A s internal jumper so that synchronous data such as data intended for a Storage Module will not be sent to the TC35T Configure the TC35T see Configuration for the GSM...

Page 12: ...y be necessary to move this wire to the 12V supply to ensure that the module is powered continuously The TC35T may not power up correctly if its power cable is removed and re inserted while 12V power...

Page 13: ...radiator is positioned away from other vertical metal structures It should also be at a distance from any sensors so that it does not either physically or electrically interfere with the sensor readi...

Page 14: ...ured using a crimping tool or pliers The connector is only suitable for use in dry environments and so must be protected from direct exposure to water and precipitation Figure 4 Low cost dual band ant...

Page 15: ...tion package to communicate at 9600 baud 8 bits 1 stop bit 1 start bit and no parity The terminal type emulation is not important 4 To check communications with the TC35T type AT F and press ENTER The...

Page 16: ...a null modem cable or older dataloggers such as the CR7 and 21X ATS0 1 Set the TC35T to auto answer incoming calls ATV0 Numeric result codes the TC35T will not respond with OK to this or following co...

Page 17: ...se also contact your cellular network support team for advice on any problems that you might encounter 6 3 2 Configuring the TC35T as a Base Station using PC208W The TC35T should first be set up as if...

Page 18: ...3000 or even 4000 may be required to allow the error correction process to function Where a TC35T is used as the base station modem it is advisable to increase these delays even more by perhaps anoth...

Page 19: ...for further details To allow the TC35T to receive calls program the datalogger to set the relevant control port high to turn the TC35T on The TC35T will not answer an incoming call when the power cont...

Page 20: ...r is limited and the turn on time has to be kept very short it is critical to ensure that the PC and datalogger clocks are not allowed to drift apart otherwise the PC may try to call when the TC35T is...

Page 21: ...phone modules can also be deregistered from the cellphone network This means that they are effectively logged off the network preventing new incoming calls The reasons this can happen are that the ne...

Page 22: ...s While the chances of getting bad data stored to disk are very small because of the error checking protocols used the speed at which data is collected can fall markedly if the link is very noisy This...

Page 23: ...ather than modem negotiation tones beep and whistles the SIM is configured to accept incoming digital UDI calls only contact the SIM supplier 8 3 I get Errors when using the TC35T with Storage Modules...

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Page 25: ...1 10 and later respectively If you have one of these dataloggers with an older operating system you should contact Campbell Scientific to arrange an upgrade Users of other dataloggers e g the 21X CR1...

Page 26: ...send the PIN 3 Do P86 1 21 Set Flag 1 Low 4 End P95 Now immediately call P97 to send the PIN unlock sequence This needs to start straight away after the TC35 is turned on so that it does not get locke...

Page 27: ...response 9 Extended Parameters 4 Digit P68 1 2 Option 2 characters 2 48 Option 0 3 13 Option CR 4 0000 Option 5 0000 Option 6 0000 Option 7 0000 Option 8 0000 Option Now the instructions to turn it o...

Page 28: ...0 0 13 _________ 0 0 0 14 _________ 0 0 0 15 _________ 0 0 0 16 _________ 0 0 0 17 _________ 0 0 0 18 _________ 0 0 0 19 _________ 0 0 0 20 _________ 0 0 0 21 _________ 0 0 0 22 _________ 0 0 0 23 ___...

Page 29: ...Scientific if further advice on these techniques is needed If a TC35T with the PIN feature enabled is to be used with a PC as the base station the CPIN nnnnnn command can be included at the end of th...

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Page 31: ...A higher when communicating via this port compared to using an SC932C connected to the CS I O port However the quiescent current is lower by a few hundred microamps If using this port and Instruction...

Page 32: ...o so in the UK If you are sure that your network provides this facility called V42bis compression please contact Campbell Scientific for details of how to use higher baud rates and how to enable data...

Page 33: ...s industry can be found at the European Telecommunications Standards Institute ETSI web site at www etsi org C 1 Signal Quality Checks AT CSQ Signal Quality Test command AT CSQ Response CSQ list of su...

Page 34: ...err Parameter See set command Set command AT COPS mode format oper Response TA forces an attempt to select and register the GSM network operator If the selected operator is not available no other ope...

Page 35: ...CREG stat lac ci when n 2 and there is a change of network cell OK Parameter n 0 disable network registration unsolicited result code 1 enable network registration unsolicited result code CREG stat 2...

Page 36: ...eceding command was acknowledged with error CME ERROR 18 Set command AT CPIN pin newpin Response TA stores a password which is necessary before it can be operated SIM PIN SIM PUK PH SIM PIN etc If the...

Page 37: ...collected correctly However because of the original failure there will be an extra delay of around 20 seconds before the data starts to be collected If the extra delay time is set to more than 2000ms...

Page 38: ...on the delays in the network and the amount of data transferred However with this method you can set the extra response delay to a higher value if needed Use a separate setup when the TC35T is commun...

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