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sim300 transparent mode
Thank a lot for the help, but I got other solution for the whole problem :).
I'm about to buy a GPRS router :) and all my problem will be sloved :)
simcom at commands
Hi there,
I'm pasting the AT commands that I use:
AT
OK
AT+CGDCONT?
+CGDCONT: 1,"IP","[apn]","",0,0
OK
AT+CSTT="[APN]","[username]","[password]"
OK
AT+CGATT?
+CGATT: 1
OK
AT+CIICR
OK
AT+CIFSR
***.***.***.***
AT+CLPORT?
TCP: 2020
UDP: 3030...
display rs485
Hi,
So, if this works fine in your desk, and it do not work on the place where it has to be, try finding the cable routes. Are they close to some high voltage cables, that may cause noises trough the communication. That happens very often to me. :)
Best regards,
Julian Dimitrov
sim300 gprs connection
Thanks for your answer,
We've been able to establish TCP and UDP connection between the two modems (from the figure in my first post). We are able to send data (the problem was as you say - the server, client thing), but when the connection is established I want to be in...
sim300 gprs
Dear Sirs/Madams,
We are a company that is fond of proces automation. One of our tasks is:
We have a GPRS modem with Simcom Sim300 and we have to connect it with programmable logic controller (PLC), with that device we can send AT commands to the GPRS modem. We have software that...
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