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Thanks for your reply. It is verry helpfull that I now know the ports used by ModBus. I will test it end of the week. You example for a 1 second pulse matches my code. What I don not know yet is where to put the code to conduct the CIE H12 by internet (is not a code to put in HTML or in EZmanager). How can I send the code to the CIE H12 or whitch program can I use to send the code ? Thanks for your help and time Regards, Gerrit > Sollae Systems wrote: > ------------------------------------ > Hello. > > This is a technical support team of Sollae Systems. > > First of all, port will be forwared to use the Internet. > > If you didn'st change the defalt port numbers, > please confirm it below to forward. > > 1. TCP 502 (for Modbus/TCP) > 2. UDP 50005 (for searching) > 3. TCP 80 (for HTTP) > > And p.26 of a document for Modbus/TCP protocol shows about Pulse function. > > Here is a example of pulse (1 second). > > [0x00 0x00 0x00 0x00 0x00 0x07 0x01 0x69 0x00 0x08 0x03 0xe8 0xff] > > 0x03 0xe8 means 1 second. > > Thank you. > > Have a nice day. > > > > > > geve wrote: > > ------------------------------------ > > Good afternoon, > > > > In Modmap I can only see a CIE H12 in the same LAN. When entering the IP & port number from the CIE H12 in internet (by internet browser I can see and switch the output)the CIE H12 can not be found. In the routers (my LAN and the client LAN the CIE H12 port is forwarded (checked with a browser and a port check) > > Is there a extra port that needs to be forwarded to use Modmap ? > > > > I have read the Modbus TCP document but someware miss the way to send this code to the CIE H12. (do I need to make a magic package to send to the CIE H12 in the internet like I use to wake PC'ss on LAN, and where can I find information to make and send this package ?) If this is not the right way, where can I find the information to use Modbus/TCP to send a pulse to the CIE H12 ? > > > > Stan, are you willing to share your JAVA code ? > > > > Thank you for your attention and tips, regards, Gerrit
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