Questions tagged [automation]
Automation or automatic control, is the use of various control systems for operating equipment such as machinery, processes in factories, boilers and heat treating ovens, switching in telephone networks, steering and stabilization of ships or aircraft and other applications with minimal or reduced human intervention
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Controlling button press on key fob using microcontroller
I have a battery-powered fob remote, and I want to convert it from being operated via a manual button press to being controlled by a microcontroller.
The fob looks like this:
After making some ...
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Control cabinet rules
I am building an electrical enclosure box equipped with a smart relay (PLC) and containing a 60W 24VDC power supply which is supplied from 230V AC. The PLC controlles a small 15W DC motor and ...
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Difference between interlock and permissive
There seems to be somewhat differing and sometimes overlapping definitions of these terms. Below are definitions found in The Automation, Systems, and Instrumentation Dictionary, Fourth Edition by ISA....
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Circuit for auto power off
I am looking for a circuit that can power off automatically after some time (i.e., ten minutes, but accuracy is not important here).
When the circuit cuts the power, the power consumption should be as ...
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How does deceleration work on a servo drive?
I'm confused by the fact that PLCopen MC-blocks used to control servo drives from a PLC have separate acceleration and deceleration parameter. For instance, MC_MoveAbsolute.
I don't understand what ...
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How to tune PID (KP, KI, KD) for an actuator attached to a butterfly valve
I'm currently tuning an actuator that was unstable. The person before me set the values to: KP = 0.04, KI = 0.07 and KD = 0. The system would oscillate between 90% open and 10% open and never reach ...
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Conditionally switching 3-phase motor direction using only one contactor
I am creating a schematic for my machine which is supposed to do the following with the push of a button. All motors are three-phase AC motors.
Run Motor 1 CW until it hits its right limit switch.
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Microcontroller Automated Heating Process
I am working on a project that requires precise temperature control of a heating pad. Currently, the heating pad is directly connected to a power supply and I used thermo coupler chips with a Arduino ...
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PI integral anti-windup with dynamic saturation limit
I have a controller to control the power output of a solar inverter and I'm not sure how to implement the integral anti-windup. The problem I'm facing is the actual output power is dependent on the ...
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Inductive proximity sensors: size vs. sensitivity
My target is a 20mm long, stainless steel, socket head, M3 screw with head facing the sensor. How will sensor sensitivity, i.e. maximum sensing distance, change with different sensor size? I'm looking ...
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Bad GSM network automated testing
We are using a 2G modem controlled by an MCU in our device and we want to do an automated test routine that tests our firmware for bad mobile network scenario. How can we create a system where a ...
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What is the maximum data rate of AS-Interface?
After online search, I could not find exact information except some marketing words. It is said that it supports up to 100m and can be extended up to 600m but there is no information of maximum data ...
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Circuit design help for automating fan from another device
I'm trying to design an automation for the status/current setting of my one electrical motor (1-6 variable settings) to drive a few behaviors to another motor or possibly two.
The electronic devices ...
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SCPI for SIGLENT SDG2042X
I have been writing python automating scripts for an O-scope and an AWG. I am having issues sending Arbitrary waveforms to the AWG, the model is Siglent SDG2042X. I have the manual and it has an ...
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Is there any ethernet and 4G gateway for PLC? [closed]
I'm new in PLC programming and used only Siemens Logo. The problem I'm facing is that I can not find any gateway device that can directly send the data to server. I want to avoid using PC for simply ...
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