TJ McDermott; Yes, too many alarm messages can also be a problem. The ABB IRB 6400 S4c controller had several message lists, and a general list. And some alarms would generate a secondary message, or even a tertiary message; e.g. on a servo fault, each of the 6 axes would reply with a shutdown message. It took some time to sort through the alarms to get to the primary error.
GlennA, I was working for a company that made simulators at one time. I was involved in a R&D project to track errors and predict faults. It was very interesting and an early application of AI in a real-time system. We acutally logged every fault, even intermittent ones. I learned about this working on satellites, actually. Having an indicator that just blinked is not really useful, you need to keep that information.
Intermittent or momentary faults can be very hard to find. On some machines, where possible, I added a latch to the alarm. Other times, you just had to watch for the error. One of the machines that I worked on had an air blow for spindle cleaning during tool change. If the air pressure dropped below the switch setting the machine Emergency-Stopped on low air. As soon as it stopped and shut off the air blow, the pressure built back up above the switch setting, and the error automatically reset . Machine operators were notorious for not paying attention, so the complaint was usually "the machine just stopped". Often the fix was just replacing the air supply hose with a shorter, larger diameter hose.
The company says it anticipates high-definition video for home security and other uses will be the next mature technology integrated into the IoT domain, hence the introduction of its MatrixCam devkit.
Siemens and Georgia Institute of Technology are partnering to address limitations in the current additive manufacturing design-to-production chain in an applied research project as part of the federally backed America Makes program.
Most of the new 3D printers and 3D printing technologies in this crop are breaking some boundaries, whether it's build volume-per-dollar ratios, multimaterials printing techniques, or new materials types.
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