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avr or 8051
hello friends.i need to design a board for industry.i am very good at 8051 but i heard that it dose not work good in industry conditions.i also heard that avr ucontrollers are better on noise imunity and work good in industry conditions(noise, humidi...
Microcontrollers :: 22 Jun 2008 7:45 :: mostafahk :: Replies: 9 :: Views: 516
hmi design?
hii need help on design hmi software,what tools is available and if i want to connect it to internet or a lan what can i do for developing it.i need helps and fully commented help on this.the hardware can be from a well known company or be custom des...
Robotics and Automatics Forum :: 20 Jun 2008 8:56 :: fakhur2000 :: Replies: 24 :: Views: 5399
contactor rating ac1 & ac3 ?
what is ac1 & ac3 rating of contactor?can anybody explain in detail?...
Hobby Circuits and Small Projects Problems :: 13 Jun 2008 5:50 :: manjul :: Replies: 2 :: Views: 2565
how send data through gprs
hi alldear i send gps data through gprs i have server ip 202,165,120,85port server 1025please send at command for send gps data...
Professional Hardware and Electronics Design :: 13 Jun 2008 5:16 :: xbeethoven :: Replies: 4 :: Views: 594
tcp/ip ic
are there any chip for converting tcp/ip to serial or any other comminication protocol(i mean single chip for converting)thx....
Professional Hardware and Electronics Design :: 13 Jun 2008 5:12 :: xbeethoven :: Replies: 5 :: Views: 321
plc simulation software?
does anyone know... is there any software that can be use to simulate the plc program without using plc(hardware).? all information regarding this topic will be highly appreciate.thx you in advance :smile: :razz:_________________theone***************...
Other Design :: 09 Jun 2008 16:48 :: bibinex :: Replies: 13 :: Views: 18555
hydraulic press plc ladder program
i need a program to run on a siemens logo plc to control a hydraulic press with all safety and if possible with redundancy.p.s. hydraulic pump motor start must be star/delta.regards,fernando...
Robotics and Automatics Forum :: 08 Jun 2008 20:18 :: fjpompeo :: Replies: 0 :: Views: 330
siemens mc35i
hello everybody,i have to connect a siemens mc35i to a system running windows ce 5.0, basically using it as gprs modem. i would like to know if there is a suitable driver (among those coming with os), or some third part driver that has been tested in...
Embedded Systems and Real-Time OS :: 06 Jun 2008 10:42 :: f.giacomelli :: Replies: 0 :: Views: 351
siemens mc55 is connected,but it cannot on line via gprs
hi,im using the siemens mc55 gsm modem to connect internet via gprs,it is connected to gprs already, but i cant on-line.can somebody tell me why?thank you!...
Network :: 06 Jun 2008 7:33 :: teesengwah :: Replies: 0 :: Views: 222
hi every bodey
this is doc. for siemens pls simatic s7...
Robotics and Automatics Forum :: 04 Jun 2008 17:39 :: abdallayad :: Replies: 0 :: Views: 204
at commands and hyperterminal
hi,i am trying to send a text message using hyperterminal and at commandsex:atokat+cmgf=1okat+cmgs=2107791679 (also tried at+cmgw)> hellowhen i enter ctrl z i get a little arrow after helloand hyperterminal just hangs there. it doesnt respond or se...
Microcontrollers :: 03 Jun 2008 12:52 :: ckshivaram :: Replies: 8 :: Views: 3168
xnets and altium
hiis it still not implemented in altium designer to do length control on extended nets, like we do it in cadence allegro? extended net, for example a signal goes through a series resistor (ddr memory data) or a coupling capacitor (pci express).when ...
PCB Routing & Schematic Layout software & Simulation :: 01 Jun 2008 23:35 :: House_Cat :: Replies: 7 :: Views: 315
read write data from siemens plc s7-200 on serial port
how to connect siemens plc s7-200 on serial port without any third party drivers or apis?please tell me about modbus protocol or profibus protocol for s7-200.regardsmayur...
PC Programming and Interfacing :: 01 Jun 2008 10:19 :: auto_mitch :: Replies: 3 :: Views: 1581
smps circuit doubt
hi,i want to make a smps circuit with mains input and 35v/2a output.i found a application note based on mc44608.the application note is and8034-dwww.onsemi.com/pub_link/collateral/and8034-d.pdf. i just want to know what the various outputs are :?:and...
Analog Circuit Design :: 26 May 2008 11:01 :: FvM :: Replies: 9 :: Views: 1872
profibus master chip?
hello!has anyone good suggestions for a reliable profibus master chip?i am currently using the spc3 from siemens in my slave designs, and i want to go to master now. the master chip shall be connected to a microcontroller (renesas).having the compani...
Robotics and Automatics Forum :: 22 May 2008 18:52 :: FvM :: Replies: 3 :: Views: 642
medical embedded systems
hi ,can anyone please help with applications of embedded systems in the medical domain. i am a recent graduate and looking to see the kind of jobs that go with this domain. if not then what is your advice and suggestion ?thanks in advance....
Embedded Systems and Real-Time OS :: 22 May 2008 15:21 :: mImoto :: Replies: 6 :: Views: 525
gsm module
can anyone give me information about gsm module, what can we do with them, do gsm module need sim card to communicate and use in projects???thanks....
Professional Hardware and Electronics Design :: 18 May 2008 11:00 :: zawmintun1 :: Replies: 8 :: Views: 822
anybody have gsm module circuit?
:cry: please help, i really need the circuit as soon as possible....
Professional Hardware and Electronics Design :: 14 May 2008 8:32 :: zawmintun1 :: Replies: 13 :: Views: 1862
gprs vehicle tracking system.
hi everyone..i m going to do project on vehicle tracking system using gprs. can any 1 tell me whot is the best methode to impliment this project . im using microcontroller on both ( base station and vehicle ) sides. and ofcoures microcont have limite...
Digital communication :: 13 May 2008 16:59 :: jumpjack :: Replies: 7 :: Views: 1068
gprs setup
i want to connect mc35i gprs modem to my linux machine. i donot know how to start communication with gprs modem. i am not getting any commuication with modem. please helpme out to resolve this....
Embedded Systems and Real-Time OS :: 13 May 2008 9:45 :: ckshivaram :: Replies: 4 :: Views: 457
i need help soon.i have a problem with gsm control
hi friends.i am trying to send sms with 8051(89c51rc2)and siemens c55.but i failed.i dont know why.when i try to send sms,cellphone turns off.my schematic and c code here.where is my mistake.i dont know.also i can send sms by hyperterminal with data ...
Microcontrollers :: 12 May 2008 6:40 :: laktronics :: Replies: 10 :: Views: 342
problem of sending sms w 8051 and siemens c55
hi friends.i am student.and i have final project that is sending sms with 8051 and siemens c55.i can sending sms with hyperterminal succusfully via data cable.i have 3 schematics and i have codes.but i failed.cellphone doesnt give me any response.my ...
Microcontrollers :: 11 May 2008 11:08 :: cllunlu :: Replies: 1 :: Views: 285
interfacing lcd with plc
i want to interface mini lcd ( 16 x 2 hitachi ) with plc ( particularly siemens s7-200 cpu 314 ifm ) & want to display counter values. i want to ask, on which port lcd is suppoed to interface i.e on digial i/o or rs232?what sort of settings/programm...
Robotics and Automatics Forum :: 10 May 2008 18:25 :: marie65 :: Replies: 1 :: Views: 366
simatic s7 yellow disk backup
anybody has any procedure to backup a simatic s7 v5.2 yellow disk? im afraid our copy would get damaged and would take time to replace from siemens....
Robotics and Automatics Forum :: 10 May 2008 12:35 :: tiwana :: Replies: 1 :: Views: 1119
problem in receiving sms
rity system containing sms sending and receiving(from the microcontroller connected to the car mobile to the user moblie)im using atmega8515 microcontroller with assembly language for programming and siemens s35 mobile(as a car mobile).in receiving m...
Microcontrollers :: 08 May 2008 9:52 :: cllunlu :: Replies: 4 :: Views: 327
how to use microcontroller to control nokia to send sms
hi everybody, i’m a college student currently working final year project but i have no idea and im looking for help !!!i’m currently working on a rfid based vehicle tracking device, and ill be using a gsm phone to send data via sms from the vehicle t...
Microcontrollers :: 06 May 2008 19:07 :: JulioSilva :: Replies: 43 :: Views: 20186
gsm module from siemens
dear allplease note i am using siemens gsm module tc35i for an sms application. this is a great device working very well.earlier i used wavecom for which price is high and simcom the firmware is a problem in field.any one using siemens module?regards...
Digital communication :: 30 Apr 2008 14:39 :: umery2k75 :: Replies: 2 :: Views: 630
sending a message with the mc35 modem using gprs
forum and in the wireless communication as well...im developing a project that i have one microcontroller connected to a source of data and also connected to a gsm/gprs modem (im planning to use the siemens mc35i), and what i want to do is get a dat...
Digital communication :: 30 Apr 2008 13:27 :: hamidrezamaddah :: Replies: 1 :: Views: 417
siemens c35 communication problem
hi everyone....im using a siemens c35 as a gsm modem to send and receive sms. i have the data cable and the phone is working properly. i have referred to previous threads but with the settings mentioned in those articles, this phone doesnt seem to be...
PC Programming and Interfacing :: 29 Apr 2008 3:06 :: thilan :: Replies: 0 :: Views: 222
siemens c35 connection problem
hi everyone....im using a siemens c35 as a gsm modem to send and receive sms. i have the data cable and the phone is working properly. i have referred to previous threads but with the settings mentioned in those articles, this phone doesnt seem to be...
Hobby Circuits and Small Projects Problems :: 29 Apr 2008 1:42 :: thilan :: Replies: 0 :: Views: 195
using gps for tracking(30 points to who helps)
hi,i have thought of an idea for tracking packages using gps.my father owns a transport company and we are thinking of implementing it for our company.here is the idea( which i also sent to nasa design contest) with the block diagram-http://www.creat...
Hobby Circuits and Small Projects Problems :: 27 Apr 2008 10:37 :: headstrong :: Replies: 23 :: Views: 2431
at command keystroke
i wanted to simulate the keystrokes of the siemens mobile using at command at+ckpd i have siemens mobiles s35, c35, c45 & sl45 all of them returns error when i request the command it seems its not supported for them.what could i do i want to simulat...
Microcontrollers :: 25 Apr 2008 18:05 :: kluivert :: Replies: 0 :: Views: 141
at command set for siemens a50 mobile
where do i find at command set for siemens mobile please? can you help...
Microcontrollers :: 23 Apr 2008 13:33 :: davemaster :: Replies: 1 :: Views: 247
mobile phone and nokia 6210
hiin the mean time, i am in the process of getting dlr-3p and nokia 6210, i need a circuit in order to allow my at89c52 to communicate with nokia 6210.i would be grateful to hear from you asapmaverickmax...
Microcontrollers :: 21 Apr 2008 12:55 :: gem1144aaa :: Replies: 34 :: Views: 6285
handshaking siemens s35
hi alli am doing a project on car security system based on gsm which is s35 siemens, finally i managed to write code on uc and send bytes by uart but the phone doesnt give any response like when connected to pc(hyperterminal)my friend told me it must...
Microcontrollers :: 18 Apr 2008 10:30 :: kluivert :: Replies: 12 :: Views: 555
sim at command
mmands can access the sim card and activate the servicealso , i want to know how can i use provide local information command from at command and if there are any restrictionsknowing that i am using siemens s35 phonethanx in advance...
Digital communication :: 18 Apr 2008 10:29 :: kluivert :: Replies: 3 :: Views: 285
sim at command
mmands can access the sim card and activate the servicealso , i want to know how can i use provide local information command from at command and if there are any restrictionsknowing that i am using siemens s35 phonethanx in advance...
Microcontrollers :: 17 Apr 2008 17:33 :: kluivert :: Replies: 0 :: Views: 108
plc supporting c programming
could somebody tell me which plc support c programming and if its not requested some expensive device for that. in fact im new in plc range, i want to buy one for learning purpose(so not so expensive) and i would like to use my c knowledge in this st...
Robotics and Automatics Forum :: 16 Apr 2008 10:50 :: sopic :: Replies: 0 :: Views: 378
email option in gprs
hai,i m working on the simcom 300s module, it has inbuild tcp/ip stack too..i want to send email thru gprs. is it possible in this modem ?please help me.thanksvijay...
Professional Hardware and Electronics Design :: 15 Apr 2008 6:43 :: vijay.mailto :: Replies: 5 :: Views: 546
udl with application port adressing in mc35
hi.i am currently trying to make a pdu string which has application port adressing set in the udh, but i am having a hard time figuring out the how to determine the udl, for use in the siemens mc35 gsm modem..anyway, here is my pdu string079158920000...
Microcontrollers :: 13 Apr 2008 20:46 :: jaydk :: Replies: 0 :: Views: 198
mitsubishi & siemens
can someone please point out to me the main differences between mitsubishi and siemens plcs.thank you...
Robotics and Automatics Forum :: 11 Apr 2008 12:37 :: xiaofan :: Replies: 1 :: Views: 453
gsm programing in microcontroller
how can i program a nokia handset/mobile phone to interface/interact to my microcontroller (atmega32l)? please send me some codes and even sample program about this topic. i have a at command for nokia handset but how can i used it. thanks for readin...
Microcontrollers :: 08 Apr 2008 14:00 :: filjoa :: Replies: 6 :: Views: 627
orcad again....
today i tried to simulate a simple circuit to get a sinusoidal out put. http://images.elektroda.net/34_1207480182.jpg the error is as belowsimulation running...reading and checking circuitsub circuit b82498-b3270-k/epc used by x_l6 is undefinedcircui...
Software Problems, Hints and Reviews :: 06 Apr 2008 13:18 :: dmk :: Replies: 3 :: Views: 345
electro motor
can someone tel me more about electro motor!why is ac motor better than dc motor?have anyone momentum caracteristic of it?.....thx. a lot...
Mathematics & Physics :: 03 Apr 2008 21:58 :: Tamasco :: Replies: 5 :: Views: 404
3 phase motor operation with only 2 phase. is any risk ?
hi, everybody.i m new here & i dont know if this is wrong place for putting my query. so sorry if this is.actualy i want to know if there is any adverse effect to three phase motor with operating in the presence of only 2 phases & 3rd one is created ...
Robotics and Automatics Forum :: 02 Apr 2008 16:47 :: muruganshanjai :: Replies: 3 :: Views: 342
siemens logosoft download
i need to donwload siemens logosoft version 5.0 or newer if possible in potuguese or english.regards,fernando...
Robotics and Automatics Forum :: 31 Mar 2008 22:47 :: fjpompeo :: Replies: 0 :: Views: 1683
want to use mosfet as switch at 600v dc/2a avg current
dear friends,i want to use mosfet/igbt as switch at 600v dc. in our current circuit, controlled ac(using triac) is switched using relay and then it is rectified to get dc. but now we are having smps with dc output, which we want to switch. but as rel...
Electronic Elementary Questions :: 29 Mar 2008 14:23 :: echo47 :: Replies: 7 :: Views: 393
embedded java in siemens tc45
hello!i have the following problem. i use the siemens tc45 gsm module with java support. but tcp/ip stack in this module is supported only by jvm, not by modules firmware. the at command set doesnt include commands regarding obtaining information abo...
PC Programming and Interfacing :: 15 Mar 2008 13:00 :: korobov_michael :: Replies: 0 :: Views: 147
rfid applications
hii need some online resources about rfid applications in industry,navigation,healthcare and ... .can you help me?...
RF, Microwave, Antennas and Optics :: 14 Mar 2008 6:40 :: streamlet :: Replies: 4 :: Views: 171
[plz]8051 + cell phone
sorry about that, i dun know where should i post this topic..i just wan do a simple thing .. connect cell phone with microcontroller 8051 to send a msg ...how can i connect it?can... anyone answer me?thanks a lot....
Microcontrollers :: 13 Mar 2008 10:26 :: leunglhz :: Replies: 66 :: Views: 6051
advice request-plc siemens s-400
i have recently faced a problem for our plc that is controlling a electro-compressor.our plc has communication wit site via two paths, one is via fiberoptics module profibus(ozd profi 12m) and the other is via et200 s(im151: 6es7 151 -1aa02-0ab0). th...
PLD, SPLD, GAL, CPLD, FPGA Design :: 12 Mar 2008 23:13 :: zare.v :: Replies: 0 :: Views: 153
at commands for those in need (for gsm & gprs projects)
here are the at commands for gsm & gprs modules or modems.these will be useful for those, programming on the keil c....
Digital communication :: 12 Mar 2008 10:58 :: rudypb :: Replies: 2 :: Views: 313
ccna,should i do it.
im electrical engineer(telecomm.) i have also done one year diploma in it.i want to join some telecommunication company,should i do ccna,and how it will help meplz send me answr as soon as possible on my mailalitareen2k@hotmail.co.uk...
Network :: 11 Mar 2008 10:40 :: alonemrt :: Replies: 6 :: Views: 386
sms based device switching
i wan interface siemens a50 mobile with 16f84a pic .the phone works at 3.6v/650ma and the pic at 2v to 5.5v(commercial and industrial) and <2ma at 5v ,4mhz and 15microa at 2v 32khz ,<0.5microa stand by current at 2v .am i free to connect the mi...
Professional Hardware and Electronics Design :: 11 Mar 2008 5:22 :: muralicrl :: Replies: 1 :: Views: 382
ADS
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sms based device switching
i have decided to use for my sms controller 16f84 pic .is it difficult to program this pic? can i connect it directly to mobile phone with out using any signal conversion ic like max 232? i will use siemens mobile....
Hobby Circuits and Small Projects Problems :: 11 Mar 2008 3:47 :: nxtech :: Replies: 1 :: Views: 344
communication between plc & scada
plz i want to know how a siemens s7-200 plc can be connected with a wincc programi heard we must use a multimaster ppi cable ive got the pc/ppi cable it connected the plc with the pc but the wincc program(scada) isnt connected to the plc so any help?...
Robotics and Automatics Forum :: 10 Mar 2008 9:33 :: auto_mitch :: Replies: 1 :: Views: 452
conection between s7-200 &wincc
i have a problem with my step7-200 siemens plc ive got microwin and wincc flexible on my pc ,the problem is that the plc recieves and sends signals with microwin but it doesnt recieve anything from the wincc flexible so i dont know where the problem ...
Robotics and Automatics Forum :: 09 Mar 2008 20:17 :: auto_mitch :: Replies: 1 :: Views: 343
any body here working for siemens??
hello everybody if any one working for siemens , pls i have some questions?...
EDA Jobs, Promotions, Advertising :: 08 Mar 2008 7:21 :: ddboy40 :: Replies: 2 :: Views: 439
another tough 'elementary' question from my tutor
consider two identical ideal capacitors: one charged to voltage v and the other discharged. find steady state after connecting in parallel the charged capacitor to the discharged one.---important conditions: there are no energy losses: no radiation, ...
Electronic Elementary Questions :: 07 Mar 2008 20:58 :: vaibhavbanga :: Replies: 111 :: Views: 3047
at command
laktronics , i think you didnt get me . i know already the site you posted.it says nothing about at command for siemens a50 mobile .what i need is at command set for this particular mobile.as you might know different models of mobiles have different...
Microcontrollers :: 05 Mar 2008 7:31 :: djzbor :: Replies: 0 :: Views: 75
at command
please help!can you provide me with at command sets of siemens a50 mobile?can i directly interface it without any level converter to 16f84 pic?...
Microcontrollers :: 04 Mar 2008 19:59 :: laktronics :: Replies: 1 :: Views: 144
plc automation
can anybody tell how to do plc automation?..what is plc?..hmi, scada..?????...
Electronic Elementary Questions :: 03 Mar 2008 16:42 :: btminzon :: Replies: 2 :: Views: 276
why 230 volts for ac
i wonder, on what factors voltage level is determined.say, 230 volts ac (50hz frequency), for house hold supply.i here in other countries use 110 v (dont know frequency) for the same house hold applications...
Electronic Elementary Questions :: 27 Feb 2008 4:45 :: shwoo :: Replies: 13 :: Views: 602
sms based device control
i am doing a project on controlling a device by sms.the procedures i need to follow are i will send sms message from my phone to the mobile connected to 8051 micro controller ,the micro controller send signals to devices connected to it to control t...
Hobby Circuits and Small Projects Problems :: 25 Feb 2008 8:00 :: H_D_R :: Replies: 1 :: Views: 360
using a camera from a mobile phone?
hello people!it is possible to desolder the tiny camera from my siemens mc60 mobile phone and use that in whatever microcontroller project i want?sorry if my english is bad. :dits not my native language....
Microcontrollers :: 18 Feb 2008 17:57 :: nuno38 :: Replies: 0 :: Views: 174
siemens plc rs-232/ppi
i would like to have the schematic & design of this cable :rs232/ppi multi-master cable that connects the siemens s7-200 to a normal pc does anyone havethnx...
PCB Routing & Schematic Layout software & Simulation :: 17 Feb 2008 18:27 :: EnBomp :: Replies: 0 :: Views: 405
controlling mobile phone using 89s51..
hi... i am doing ma b e project now.. i need to send sms using 89s51 .. siemens mobiles r economical, ma frnd suggested me... c35 is not available in market.. is it possible to do the project using c25?? or please suggest me a mobile phone w...
Microcontrollers :: 14 Feb 2008 14:23 :: nandhu015 :: Replies: 1 :: Views: 210
firmware siemens aspc2 profibus master?
hello!looking for firmware / source code for aspc2 (aka aspc 2 or aspc-2) siemens profibus master asic.anybody?cu...
Robotics and Automatics Forum :: 11 Feb 2008 13:49 :: mirhashemi :: Replies: 1 :: Views: 807
gsm courses in egypt??
dear all where in egypt? i can find a good gsm courses ?? 2g 2.5g 3g 3.5g ??thanks allbye...
Digital communication :: 10 Feb 2008 20:14 :: fm_com_28 :: Replies: 11 :: Views: 848
*new* applicom software solution for ethernet and serial com
ethernet tcp/ip protocols (can be used at the same time): alstom srtp (alspa c80-35 and c80-75) siemens industrial ethernet tcp/ip (s5, s7, ti), schneider uni-te on tcp/ip (tsx/pmx), open modbus tcp/ip, omron fins tcp/ip (seris c, cs, cv) mitsubishi ...
Robotics and Automatics Forum :: 09 Feb 2008 12:10 :: snb7aug :: Replies: 3 :: Views: 1422
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