Questions tagged [plc]

A programmable logic controller (PLC), or programmable controller is an industrial digital computer which has been ruggedised and adapted for the control of manufacturing processes, such as assembly lines, or robotic devices, or any activity that requires high reliability control and ease of programming and process fault diagnosis.

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OPC-UA in ROS 2 to communicate with PLC

I would like to establish a communication between my PLC (RevPi) which runs Codesys and a Jetson Nano (or Rasperry Pi) which will be running ROS2. The latter will be connected to a Router (for ...
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Controlling Integrated Servo motors with PLC for 5 DOFIndustrial Robotic arm

I am working on developing a 5 DOF robotic arm having 50 kg Payload using PLC, we are willing to source the integrated servo all in one (servo drives, encoder, and servo motor) with no breaks and ...
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How do "process gain" and "proportional gain" affect the Steady State Error in a PID Controlled machine?

I came across this doubt while reading the Wikipedia page on PID Control. The section on Steady-state error states: Steady-state error (SSE) is proportional to the process gain and inversely ...
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Hardware for Industrial-Grade CNC

I have developed a prototype of a CNC Machine with Arduino and Raspberry Pi for my first client, I now need to use industrial grade components, but I struggle with the hardware, I am confused. I just ...
2 votes
2 answers

Robotic cell simulation software, PLC [closed]

I need to simulate robotic cell where cartesian robot trims a PCB arriving on conveyor, picks it up with vacuum cup and and places in another device. After receiving signal from device the robot would ...
1 vote
1 answer

How to use registration inputs on a Kinetix servo?

I am working with a Kinetix 5500 servo drive with a rotational actuator to locate a keyway on a shaft. The shaft will rotate, and a laser sensor will detect the height difference when the keyway ...
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Changing the logic on a PLC while it is running - exact timings

Following my last question which confirmed that you can change the logic on a PLC while it is running, I'm now trying to understand the timings with which this happens. Say that a PLC is sent a ...
1 vote
2 answers

Do you have to stop a programmable logic controller to update its logic?

Must the operation of a PLC (programmable logic controller) be halted while its logic is being changed or can new logic be downloaded to it during runtime, without memory loss, giving a seamless ...