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tia v16 to cpu 1211c: LAN cable connection - no accessible devices

Created by: hosam101 at: 5/22/2023 5:13 PM (5 Replies)

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6 Entries

5/22/2023 5:13 PM	Rate (0)
hosam101 Posts: 7 Rating: (0)	hi, I made a connection between Tia portal V16 to cpu 1211C with a direct LAN cable, but when I push accessible devices there are no devices discovered. I assigned the IP address of the CPU correctly. and I tested the connection with Ping through Windows cmd it is ok, what can be the reason?
hosam101 Posts: 7 Rating: (0)	Last edited by: Jen_Moderator at: 05/23/2023 07:56:47 Headline optimized.
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5/22/2023 5:27 PM	Rate (1)
Hazard_7 Bronze Member Joined: 5/30/2022 Last visit: 1/7/2026 Posts: 634 Rating: (103)	Hi hosam101, Do you have the PG/PC interface configured as TCPIP.1? Attach screenshot
	If this information really helps, you could use the Rate function. Best Regards.
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This contribution was helpful to 1 thankful Users hosam101

5/23/2023 5:11 AM	Rate (1)
sancruz Gold Expert Joined: 3/11/2019 Last visit: 1/7/2026 Posts: 1653 Rating: (322)	Hi hosam101, in addition to that, please check if any firewalls/security settings/managed switches are used and if DCP protocol and MAC address broadcasts are blocked somewhere. DCP protocol / MAC address broadcasts must be allowed. regards sancruz
	Feedback appreciated, please rate
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This contribution was helpful to 2 thankful Users qwazee hosam101

5/23/2023 5:44 AM	Rate (1)
qwazee Platinum Member Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1083)	Additionally.. hosam101 hi, I made a connection between Tia portal V16 to cpu 1211C with a direct LAN cable, but when I push accessible devices there are no devices discovered. I assigned the IP address of the CPU correctly. and I tested the connection with Ping through Windows cmd it is ok, what can be the reason? What is the IP of the PLC (including subnet)? Does the PC have a fixed IP address? What is the IP of the PC (including subnet)?
	Last edited by: qwazee at: 05/23/2023 05:45:27 Activities of this user is voluntary. There is no obligation or liability placed on this user. Though optional, your 'please' and 'thank you' is highly valued.
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This contribution was helpful to 2 thankful Users sancruz hosam101

5/23/2023 6:14 AM	Rate (0)
hosam101 Posts: 7 Rating: (0)	Hi Hazard, yes it is defined as tcp/ip1 , and tried also with tcpip auto 1, but both of them didn't work. as in attached image. thanks for your support. Attachment set.png (387 Downloads)
hosam101 Posts: 7 Rating: (0)
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5/23/2023 6:26 AM	Rate (0)
hosam101 Posts: 7 Rating: (0)	thanks soo much for every one . I disabled symantic end point and this solved the issue
hosam101 Posts: 7 Rating: (0)
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This contribution was helpful to 3 thankful Users sancruz Hazard_7 qwazee

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