Hello, I am seeking advice on the required open ports for remote connectivity to a control system consisting of a 1756-L72 Controllogix PLC, 1756-EN2T network card, and PanelView Plus 7 HMI. The software being utilized includes RSLogix V20.05.00 and FactoryTalk View ME 11.00.00. I have reviewed the list of recommended ports from Rockwell, but I am unsure which specific ports are essential for establishing this remote connection and enabling remote upload/download capabilities using the Transfer Utility. Any guidance on how to configure the necessary ports for both the PLC and HMI would be greatly appreciated. Thank you in advance for your assistance!
For seamless connectivity between the development PC, controller, and HMI, ensure that TCP Port 44818 is open. A useful method to confirm this is by utilizing the "tnc" function in Windows PowerShell with the "-p 44818" port number parameter. Additionally, it is essential to configure the Default Gateway address on the controller Ethernet interface and HMI to match the network gateway or router's IP address. In the absence of a well-configured VPN, traditional broadcast-based browsing drivers in RSLinx Classic and FactoryTalk Linx may not automatically detect the controller. To address this, configure your drivers to manually input the destination device's IP address. In RSLinx Classic, opt for the "Ethernet Devices" driver over the "EtherNet/IP" driver. In FactoryTalk Linx, manually add a device to the network schema by right-clicking. It is crucial to avoid using port forwarding to expose the controller to the Internet, as this poses a significant security risk. While it may offer temporary convenience, the controller becomes vulnerable to cyber threats within moments of exposure. Prioritize security measures to protect your installation.
In order to establish a connection to the PLC, you will need to configure the EN2T gateway using the IP address of the network gateway or router. Next, switch RSLinx Classic to utilize Ethernet devices instead of the EtherNet/IP Driver and adjust your IP address to match the EN2T's existing IP. Do you also need to input their static IP address in RSLinx Classic for the connection? Thank you!
kloc5 inquired about the necessary ports to be opened for remote connectivity to a 1756-L72 Controllogix PLC, 1756-EN2T network card, and PanelView Plus 7 HMI setup. Using RSLogix V20.05.00 and FactoryTalk View ME 11.00.00, the question arises about the specific ports required for remote PLC access and HMI upload/download using the Transfer Utility. While Rockwell provides a list of ports, clarity is needed on which ports are essential for this connection setup. Assistance in configuring the PLC and HMI for remote access would be highly appreciated. When referencing "remotely," clarification is requested on whether this involves Internet access or being on the same network. In my experience with remote connections to various clients, I often find it convenient to remotely connect via Internet/VPN and to simply use Remote Desktop Protocol (RDP) to access a local PC with the necessary software for the PLC and HMI.
Is it possible to access it online from a different location? It seems unlikely that they will allow us to utilize a remote desktop configuration. Additionally, it appears we are currently utilizing RSLinx Classic Lite. Will we require the standard version of RSLinx Classic to make this work? Any assistance on this matter would be highly valued. Thank you!
Inquiring about accessing PLCs remotely from a different state via the internet. Is it necessary to upgrade from RSLinx Classic Lite to standard RSLinx Classic for this task? It seems RSLinx Enterprise/FactoryTalk Linx is more suitable for communication with PanelView Plus. When using a VPN, manual creation of the communication path is required as devices are not automatically discovered. It is crucial to keep the PanelView secure from internet exposure, as shown by "PanelView Plus" search on Shodan. E W O N's VPN is commonly used to securely connect to the same network as the PanelView for easy upload/download operations.
Hey there! You're looking at mainly opening ports 44818 (EtherNet/IP Port) and 2222 (used by PanelView Plus 7) to establish a connection. Regarding the Transfer Utility, you might need to open additional ports. I think TCP port 80 and 443 are considered as well. Please remember that open ports can become security vulnerabilities, therefore following best practices for securing them is paramount. I'd strongly recommend that you do this in a demilitarized zone (DMZ) setup or through a VPN for an added layer of security; preferably, in coordination with your IT department or any network security professional. Hope this helps!
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Answer: 1. What are the essential open ports required for remote connectivity to a control system with a Controllogix PLC and PanelView Plus HMI? - Essential open ports for remote access to a control system typically include TCP port 44818 for EtherNet/IP communication and TCP port 2222 for FactoryTalk View ME runtime communication.
Answer: - To configure the necessary ports, you may need to open TCP port 44818 for the Controllogix PLC and TCP port 2222 for the PanelView Plus HMI in your network firewall settings. Additionally, ensure that these ports are allowed through any routers or switches between your remote device and the control system.
Answer: - Rockwell Automation provides a list of recommended ports for their control systems in the documentation for specific software versions. You can refer to the official Rockwell Automation website or contact their technical support for the most up-to-date information on recommended ports for remote connectivity.
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