PetarMalenko Posted June 2, 2014 Report Share Posted June 2, 2014 Hello, i have a project where i have connected v570 to a wavecom gsm modem. The gsm modem sends alarm messages for liquid gas levels. There is option if you send sms to the modem, it will send you feedback (status) message with all the measured parameters. After few days working the system stops sending messages. If I send sms to the modem i get the confirmation that the sms is received, but i don't get the feedback message. If I restart the PLC and the modem it will work few days and then the problem occurs again. During the problem the modem isn't busy. Link to comment Share on other sites More sharing options...
Eyal Koren Posted June 16, 2014 Report Share Posted June 16, 2014 Hi Peter, First try to mark the "Erase unidentified messages from SIM" check box. Also emptying the SIM card may help - you can do that from Visilogic-->Connection-->Modem Services-->Sms Options-->Read All Messages (and than delete messages). If the issue still occurs then reply with the error code for the SMS Send FB. Link to comment Share on other sites More sharing options...
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