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communication between CP 343-1 & CP 443-1 via Router (Microwave link)

4/22/2013 7:37 PM	Rate (0)
AS_OS Posts: 20 Rating: (0)	Hi All, I have a requirement of establishing communication between CP 343-1 & CP 443-1 communication processors. I.P. addresses of these processors are XX.YYY.230.11 & XX.YYY.232.100 respectively. On site we have router at both ends whoes I.P. addresses, i have mentioned in properties of communication processor ( under Gateway user router). There is a microwave link between these to router. I have configured unspecified - TCP connection between these 2 communication processors, howeveri am unable to establish the connection. It's comming as "Active connection establishment in progress in" on S7-300 PLC where active connection is configured. & "Passive connection establishment in progress in" on S7-400 PLC wherepassive connection is configured. am i missing something in configuration? Please advise how to get this connection working. Regards, Anil
AS_OS Posts: 20 Rating: (0)
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4/23/2013 2:40 PM	Rate (0)
Rated X Posts: 1547 Rating: (129)	Hello, first of ALL you should test if your port configuration is correct and your program is correct. Connect both station to a LOCAL network using one switch and use IP Addresses of same band. If this works, then change IP Address of one station to the right IP settings and connect the router between. Check that the router settings is correct done on both PLC. Check the connection and TCP routes via ping the stations from both sides. If Router address and IP Settings are wrong also ping will not work correct. Please observe that you must use TCPnative (using own TCP Ports which are released for use within the routers) connection. If you use ISOonTCP or S7 connection on the whole way TCP Port102 must be released in router settings, this port is regular blocked! Check also IP Address and sub net mask settings. What is the connection between subnet masks and IP addresses with regard to subnetting and supernetting (Classless Inter Domain Routing CIDR)?
Rated X Posts: 1547 Rating: (129)
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