Recently we had a customer who had a number of ports go offline on their CIMCO DNC Max system. After doing some troubleshooting it was determined that all of the Moxa devices in question had been reset to the factory default IP Address of 192.168.127.254. This indicates that the reset button had been triggered. Once you've configured a Moxa NPort device for a critical DNC, bar … [Read more...]
Making Informed Decisions about Wireless DNC
Wireless DNC, MDC and other shop floor devices have some great benefits. When you are considering the question of wired vs wireless, there are some potential issues that you will want to consider. The intention of this article is to help you make an informed decision on whether or not wireless has a role to play in your DNC, MDC or other similar solution. Wireless shop floor … [Read more...]
How to Isolate your CNC Network by Dual Homing DNC Max
Before reading this article I strongly recommend you review "CNC Machine Security: The Dangers and Management of USB Devices" and "Introducing OT-Max: A Game-Changer for Secure CNC Machine Connectivity". Often with CNC communication products including CIMCO DNC-Max server, the server hosting the software resides on a single network. Some companies and government agencies … [Read more...]
Vulnerability in SIEMENS Simatic S7-1200
It is certainly not typical for CNC Controls or Industrial Automation Systems to be accessible to exploit without a network first being compromised, but the ramifications can be very significant. For that reason we keep an eye on the security updates related to Industrial Automation Systems. If you do not have any of these systems in your facility this can still serve as a … [Read more...]