Home Blog Page 112

Sony X900E PRO calibration/Natural Picture!

0

QuantumApotheosis.

PLC Programming Questions & Answers – 1

0

 

A PLC has been programming to manage the beginning and stopping of a three-phase electrical motor. Proven here’s a partial wiring diagram and offline PLC program show for the system:

PLC Programming Questions

Establish the issue(s) on this PLC program, and modify it so that it’ll work because it ought to.

Reply :

The OL_switch instruction within the PLC program must be modified to NO (Usually-Open). For the reason that real-world OL swap contact is meant to be within the closed state when the whole lot is okay, and this implies the third enter channel must be energized when all is nicely, a NO contact instruction is required in order that the “1” bit state will preserve that instruction within the “coloured” state and allow the coil instruction to obtain shade (digital energy) to run the motor.

The safest way to calibrate your Betaflight current sensor

0

Your current sensor is inaccurate. Your mAh is completely wrong. You need to calibrate your current sensor! You can do it with a clamp meter, spinning your motors on the bench, and risk death…

PLC Programming Questions & Answers – 2

0

 

A PLC has been programming to manage the beginning and stopping of a three-phase electrical motor. Proven here’s a partial wiring diagram and offline PLC program show for the system:

PLC Program

Establish the issue(s) on this PLC program, and modify it so that it’s going to work because it ought to.

Reply :

The PB_stop and OL_switch directions within the second rung of the PLC program have to be linked in parallel with one another relatively than in sequence. Being NC real-world switches and NC contact directions, every one will “colour” when the motor is meant to cease (i.e. the PB_stop instruction colours when anybody presses the Cease pushbutton, and the OL_switch instruction colours when the motor overheats).

Proper now, programming in collection with one another, each situations must happen with a purpose to cease the motor! To make the motor cease if both situation happens, we want these two directions to be programmed in a logical “OR” trend, and that necessitates a parallel connection between the 2 contact directions.

Setting up Reference Display and Calibration in Davinci Resolve

0

FOLLOW ME ON FACEBOOK https://www.facebook.com/officialaramk/ INSTAGRAM https://www.instagram.com/aram_k_official/ My Computer Gear: Motherboard http://amzn.to/2iYQM4O CPU http://amzn.to/2iJoQCJ…

PLC Programming Questions & Answers – 3

0

 

A PLC has been programming to manage the beginning and stopping of a three-phase electrical motor. This system is meant to require that the operator press and maintain the “Begin” pushbutton for no less than three seconds earlier than the motor begins and runs. Proven here’s a partial wiring diagram and offline PLC program show for the system:

PLC Block Diagram

PLC Program three-phase electric motor

Establish the issue(s) on this PLC program, and modify it so that it’ll work because it ought to.

Reply :

The way in which it’s programmed proper now, the “Begin” pushbutton doesn’t must be held for 3 seconds – simply urgent it momentarily is sufficient to begin the motor. The motor, nonetheless, does delay for 3 seconds earlier than beginning. In different phrases, there’s a three-second time delay in impact, but it surely’s not requiring the “Begin” swap be constantly pressed for that lengthy. On a regular basis delay is doing is delaying the start-up of the motor after the “Begin” change has been momentarily pressed.

Here’s a purposeful answer:

PLC Program three-phase motor

DJI Mavic Pro Calibrating The Vision Positioning System

0

DJI Mavic Pro Calibrating of the Vision Positioning System is very easy to do and should be on your list of calibrations to be done after firmware updates. This is a simple video showing the…

PLC Programming Questions & Answers – 4

0

 

A engineer wants to write down a PLC program to manage a water pump pushed by an electrical motor. This water pump might be manually began and stopped by pushbutton switches, and shut down robotically by any considered one of a number of “permissive” switches. The working statuses of those switches are listed right here:

  • Begin pushbutton (normally-open): open when unpressed, closed when pressed
  • Cease pushbutton (normally-closed): closed when unpressed, open when pressed
  • Low water stage (normally-closed): closed when stage is low, open when degree is sufficient
  • Low oil stress (normally-open): open when stress is low, closed when strain is sufficient
  • Excessive vibration (normally-closed): closed when nonetheless, open when vibrating
  • Water leak detector (normally-open): open when dry, closed when moist (leak detected)

The engineer’s first try is proven right here, nevertheless it accommodates a critical error. Determine and proper this error:

PLC program to control pump

Reply :

The Vib_high contact instruction needs to be drawn as normally-closed slightly than normally-open as proven within the engineer’s first draft of the PLC program. This system is designed to close down the motor if ever the Shutdown bit goes to a 1 state. This implies the motor will shut down if any of the permissive contact directions grow to be coloured (i.e. “conductive” to digital energy).

We have now been instructed that the realworld vibration swap is NC, which suggests its contact opens when vibration is extreme. This implies excessive vibration causes that bit to be zero, which necessitates an NC contact instruction so that it’ll shade underneath that situation.

Extruder calibration on geeetech i3 pro b 3D printer

0

With this simple calibration your print’s will be much better quality. i forgot mentioned, after you set the step/mm save changes in the menu. Audio: No Win 1:40 Silent Partner.

PLC Programming Questions & Answers – 5

0

 

A engineer wants to put in writing a PLC program to regulate a water pump pushed by an electrical motor. This water pump shall be manually began and stopped by pushbutton switches, and shut down routinely by any certainly one of a number of “permissive” switches. The working statuses of those switches are listed right here:

  • Begin pushbutton (normally-open): open when unpressed, closed when pressed
  • Cease pushbutton (normally-closed): closed when unpressed, open when pressed
  • Low water stage (normally-closed): closed when degree is low, open when degree is ample
  • Low oil strain (normally-open): open when strain is low, closed when stress is satisfactory
  • Excessive vibration (normally-closed): closed when nonetheless, open when vibrating
  • Water leak detector (normally-open): open when dry, closed when moist (leak detected)

The engineers’s first try is proven right here, but it surely comprises a severe error. Determine and proper this error:

PLC program to control a water pump

Reply :

The Oil_press_low contact instruction ought to be drawn as normally-open relatively than normally-closed as proven within the engineer’s first draft of the PLC program. This system is designed to close down the motor if ever the Shutdown bit goes to a zero state. This implies the motor will shut down if any of the permissive contact directions develop into uncolored (i.e. fails to “conduct” digital energy).

We’ve got been instructed that the real-world oil stress swap is NO, which implies its contact opens when oil stress turns into too low. This implies a low oil stress situation causes that bit to be zero, which necessitates an NO contact instruction so that it’s going to un-color below that situation.