Hoang Nguyen An Binh Posted July 3 Share Posted July 3 I'm using UMAC system with Turbo Pmac2 CPU, 1 servo ICs ACC24EA, they're all put into ACC-U10 UBUS Backplane. One day, I tried to registered a PComm32.dll into my laptop with connected with the UMAC by ethernet, suddenly, the servo ICs is disconnected from the system. I checked and found that the 2 PWR led were off and 4 ENC led were amber instead of green. What should I do to make the ACC-24E2A be recognized in the system again ? Quote Link to comment Share on other sites More sharing options...
steve.milici Posted July 5 Share Posted July 5 If this were previously working the PMAC configuration may have been compromised causing a watchdog or corruption of the clocks. This would de-assert the CPUs “Power Good” signal and cause the ACC-24E2x to disable its power system. If a power cycle does not clear the issue, then execute a factory reset on the CPU (E3 jumper). You will need to reload a known-good configuration. It is also possible the hardware was compromised and will require a repair on the CPU or axis card or both. Quote Link to comment Share on other sites More sharing options...
Faraday MC - Tony Posted July 6 Share Posted July 6 Check that the 5V power supply is delivering 5V. If if drops to about 4.7V or less you will see problems. If the 5V is low the cause could be external wiring or possibly a problem on the UMAC power supply. Quote Link to comment Share on other sites More sharing options...
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