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Hello all, What's your understanding about UL vs UR motors ? I believe UL motors are tested by UL and went through extensive test. UR, on the other hand, is "recognized", not tested. And some motors don't get UL tested and labeled because they are "general purpose" motor types. Regards, Stan

Hi all, Is there any regulation or requirement to test the protection circuits on a regular basis, say every 6 months for HPA or welding cabinets...? Thanks, Stan

Hi all, Is there any regulation or requirement to test the protection circuits on a regular basis, say every 6 months for HPA or welding cabinets...? Thanks, Stan

I don't have the details yet, so I don't know the amplitude. The main concern I have since these signals (from simple tools) are short, the master PLC far away would not be able capture those. So I'm thinking we can use ET200M, ET200S or ET200Pro PLC to capture and set these signals, then use...

Hi all, I need to capture some very short signal length IO, like clicker wrenches, and such...in the past I've seen AB has some signal stretcher that holds the signal on for 10-100ms. What are some options that Siemens offering, hardware and software. Thanks in advance