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Showing results for tags 'GSM Communication'.
Hi, In a project I have SMS alarms being sent to a number that is defined by a vector. Doe's anyone have experience with different lengths? The GSM number length can vary from 11 to 14 numbers including the "+" sign. I have devided the number that is 13 digits long into three MI:s (3*4+"+") and that works. But now I need to expand the range. How does the function read the vector? does it read it from left to right and is the maximum value of a vector set to 9999 and not 32767. / does it only read four digits from the MI in the vector, and starting from left or counting from the right. Thanks in advance Ari
Hi I am using a Vision 130-33-TR6 and a GSM KIT 41J and I wish to allow remote access to the PLC using this kit. However there is no phone signal at the PLC location so I was considering running a cable to another location with signal and placing the modem here. The location with phone signal is 400m away from the PLC location. I have been told that at high baud rates I cannot transfer data that distance but at a baud rate of 2400 I would be able to go up to 900m. Is this correct and if so would I still be able to access the PLC remotely at this baud rate? I assuming if so the project scan time would have an impact on this? Are there any other ways I could solve this problem? Thanks Adam