Good morining, I bought new PLC last week and i can’t conect with it. It seams to me that my pc doesn’t see that i connected the plc. I downloaded wago ethernet setting but it also can’t seem to find the plc. The plc itself shows that everytching is connected in the matter of ethernet conection. So …

Error code 4-8 indicates an interruption in the internal bus after the 8th module. Do you have an End Module (750-600) at the end of the node? This is required. [image]

No i do not have one. Do you think that this may cause all the issues with connecting plc to my computer?

Did you assign an IP address to the PFC? It needs to be on the same subnet as your laptop. You can temporarily assign the IP address 192.168.1.17 to the PFC by setting the mode switch to STOP and holding down the RST push button for more than 8 seconds. The SYS LED will flash orange when the temp…

Yes i tryed rst but the ip in the configuration doesn’t change. When i try to go to the web side it show me this site is unreachable.

[image] JohnDitter: 192.168.1.17 [image] How To: Connecting a PFC100/PFC200 to the Internet Getting Started Static IP Method: Switch the PLC to “STOP” and hold the recessed “RST” button down on the front of the PLC for 8 seconds until the system light begins to fl…

Okey thank you. It helped. My computer now sees the PLC. My problem was that I did rst in Run mode. But I have another problem, Codesys can’t find my PLC, I downloaded everything from the Wago website and selected the right model in Codesys, and when I scan, it doesn’t appear

Hello, try to type ip address directly without scan: [image]

Okey. I fixed it. It seams that I had to reinstall wago upload and add again wago Firmware PFC_V040601_28 when i did i started codesys and plc again and it connected. But anyways thank you all for help and support.

PFC 200, 750-8212 unable to connect via Ethernet to laptop (first time setup)

Hardware and Linux

antauva March 24, 2025, 10:08am 6

Topic		Replies	Views
Can’t connect to wago 750-8212 through putty Hardware and Linux pfc200 , how-to	5	369	February 26, 2025
Wago 750-8216 Web Server Problems Hardware and Linux	8	1693	September 2, 2025
How To: Connecting a PFC100/PFC200 to the Internet Getting Started pfc200 , pfc100 , mqtt , how-to , cloud	7	8175	March 18, 2025
Wago 750-8212 cannot connect with Codesys 3.5 CODESYS pfc200	5	217	October 21, 2025
PC set up for I/O check application Hardware and Linux	3	288	December 1, 2025

PFC 200, 750-8212 unable to connect via Ethernet to laptop (first time setup)

Related topics