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  1. General Electrical Discussion
    Hey guys this is my first post here, thank you for having me! I need advice for a power supply unit. It will be plugged into a 120v receptacle. I need it to power 11 motorized roller shades. Each motor is 12v, 1.2amp what kind of power supply will i need?
  2. NEC Code Forum
    Does the NEC allow Powering Lights and miscellaneous instruments loads from Motor Starter CPT (Control Power Transformer) of a starter circuit?
  3. PLCs, VFDs, Motors and Controls
    Hi everyone, Just stumbled upon this forum today and it looks amazing. I have a question for a project that I'm on. There's currently a system with a VFD and a Motor but the client wants to isolate the Motor from the VFD for when maintenance personnel want to work on the motor and safely lock...
  4. PLCs, VFDs, Motors and Controls
    Hey guys, Just started my motor term for local 48 apprenticeship. Got an assignment to try our hand at making a logic diagram as a "see what you know" type situation. I'm hoping if I could see this drawn out, it might make some sense to me and it could help me figure the rest out. The lab is as...
  5. PLCs, VFDs, Motors and Controls
    Hey I am using 3 Phase motor for water pump motor (Description : Crompton Greaves MI-D Series MIP52D 5HP Monoblock Pump - MIP52D), I am curious to monitor the Vibration of this motor for which I have bought new Wireless Vibration sensor But I am not aware of how to use it and in what way I...
  6. General Electrical Discussion
    Hey all, Does anyone have any experience working for USS-POSCO in Pittsburg CA? They have been recruiting at our school (LA Trade-Tech) and I've been told they are interested in me though I have not completed any interviews or practicals. I passed the pre-employment test last semester. Job is...
  7. General Electrical Discussion
    I am new to the Forum, I hope I am in the right place for technical questions. Troubleshooting question: On a 950' start/stop control circuit I collected this info with all wire connections isolated except the power source. Ohming out wires while isolated shows all open circuits (no direct...
  8. PLCs, VFDs, Motors and Controls
    I have an AC servo motor which will is attached to a handwheel to produce force-feedback to the driver. The torque reaction will be produced proportional to the steering wheel angle. There is no torque sensor in the system but an encoder. Instead of deriving the mathematical of the motor and...
  9. PLCs, VFDs, Motors and Controls
    Good day! Where I can find Simutech Software troubleshooting electrical and industrial control circuits simutech for free download. Thanks for sharing..
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