Connecting Modbus and LonWorks Networks - FieldServer ...
Connecting Modbus and LonWorks Networks - FieldServer ...
Connecting Modbus and LonWorks Networks - FieldServer ...
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<strong>Modbus</strong> TCP –Troubleshooting onEthernet‣ Use a good Ethernet capture tool such as Ethereal(free at www.ethereal.com)‣ For testing, , Modscan32 or similar is recommended(www.win-tech.com). Use to emulate a Client on thenetwork <strong>and</strong> test communications.‣ Know the network layout, , including all subnets,<strong>Modbus</strong> TCP devices, routers, <strong>and</strong> firewalls whichcan influence communications. A detailed networklayout diagram is essential.‣ IP Addressing – does your device‣ Support IP addressing in conjunction with variable Unitidentifier (Node_ID(Node_ID)?‣ Fix the unit identifier <strong>and</strong> work with IP addressing only?‣ Know which variant involved - <strong>FieldServer</strong> will need to fix itsNode_ID to the correct address if the latter is in use.