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  1. mvpieper

    DC Power & Interference of Ethernet Signal

    I am planning the installation of DC power distribution and Ethernet in an industrial facility. I intended to place both 24VDC power (up to 10 amps) and Cat6 cable in the same conduit; however, the building owner has requested that they be placed in separate conduit. All conduit is 'rigid'...
  2. mvpieper

    Sizing of Control Transformers with DC Power Supplies

    In our typical motor control panel, we have 480Vac 3ph power into the panel. We transform 480Vac to 120Vac (1ph) and then convert this to 24Vdc for various instrumentation. When sizing the control transformer, I know (per literature of several manufacturers) that I need to use the inrush VA as...
  3. mvpieper

    Operation of pneumatic 5/3 valve with double solenoids?

    Thank you Bud & gerhardl. Bud, I appreciate... I always draw the schematic so S12 makes a Cylinder extend or a Rotary Actuator turn Clockwise and S14 to make a Cylinder retract or make a Rotary Actuator turn Counter Clockwise. Gerhadl, My application uses the "center position open", which...
  4. mvpieper

    Operation of pneumatic 5/3 valve with double solenoids?

    I will be implementing a pneumatic 5/3 valve to control a double-acting cylinder. The valve has two solenoids(for this post I will designate them as S1&S2). I assume that when.. S1=ON & S2=OFF, this will be Position1 S1=OFF & S2=OFF, this will be Position2 (center) S1=OFF & S2=ON, this will...
  5. mvpieper

    Single Loop Controller with Off/Force/PID control

    I am in need of a panel-mount single loop controller (SLC) that can have its "mode" set by 2 digital inputs (DI1 & DI2). For example... When DI1 AND DI2 are true, then output = FORCE to ##ma. When DI1 true AND DI2 false, then output = PID control. When DI1 AND DI2 are false, then...
  6. mvpieper

    Freewheel Clutch for Bi-Directional Conveyor

    EdDanzer, thank you. I checked out Torrington, which is now Timken. Timken's RC series is a mechanical 'overrun' clutch that I was ideally looking for, but it does not have the necessary torque rating. Nonetheless, I have another vendor that is sending me info on their solenoid-operated...
  7. mvpieper

    Freewheel Clutch for Bi-Directional Conveyor

    EdDanzer, I will direct couple a 1:40 speed reducer, which will reduce the motors output shaft speed from 1750rpm to 44rpm. The max output torque rating is ~1000 in-lbs.
  8. mvpieper

    Freewheel Clutch for Bi-Directional Conveyor

    The highest shaft speed would be at the motor, therefore 1725rpm (perhaps 1140rpm). Belt speed is 50fpm. Originally, I was hoping for a purely mechanical disengagement, meaning that the clutch would simply slip in one direction, but perhaps this is subject to wear, noise, etc? Nonetheless...
  9. mvpieper

    Freewheel Clutch for Bi-Directional Conveyor

    I am designing a bi-directional conveyor and need to let a 0.75hp motor slip when the other motor is running in the opposite direction. Am I looking for a 'freewheel' or a 'clutch'? Can anyone recommend a product, manufacturer, or a selection guide?

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