Category: Industrial Networks
You Can Ping the PLC, but Modbus TCP Still Fails—Here\’s Why
A successful ping only proves that an IP endpoint answered an ICMP request.
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PLC Network Drops Randomly? A Duplicate IP Can Look Like Bad Hardware
Intermittent access after adding or replacing a device should put duplicate addressing on the investigation list.
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New PROFINET Device, Same IP, Still Offline? Check the Device Name
Matching an old device\’s IP address may not be enough to commission its PROFINET replacement.
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EtherNet/IP I/O Faults? A Faster RPI Can Make the Problem Worse
Reducing the requested packet interval is not a universal fix for slow or unreliable I/O.
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EtherCAT Stuck in SAFEOP? Don\’t Confuse It With a Safety Approval
An EtherCAT device can update inputs while remaining outside normal operational output exchange.
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OPC UA Worked Yesterday but Fails Today? Check Certificates and the Clock
An OPC UA connection can stop after a certificate renewal, hostname change, restore, or clock error even when the network is reachable.
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Edge vs Cloud in Automation: Which Architecture Is Best for Modern Industrial Systems?
Edge vs Cloud in Automation: Which One Should You Choose? As industrial automation systems become more connected and data-driven, one question appears in almost every modernization project: Should we process data at the edge, in the cloud, or both? Understanding the difference between edge computing and cloud computing—and when to use each—is critical for designing…
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How to Choose the Right Industrial Protocol for Your Automation System
Choosing the Right Industrial Protocol: A Practical Guide for Modern Automation Selecting the correct industrial protocol is one of the most important decisions in automation design. The protocol you choose directly affects system performance, data speed, interoperability, scalability, and long-term reliability.Whether you’re designing a new line, upgrading old controllers, or integrating multiple vendors, this guide…
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