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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20
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3answers
12k views

How to water-protect my Arduino?

I am building a watering system with an Arduino. Basically it runs on a track with a hose that drips water down on plants a couple of times every day. Its outside, and water might sometimes get from ...
9
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5answers
2k views

Are there any commercially available PLC's that can compile/ download programs through an API?

My team has decided to use a PLC for controlling an industrial process that requires simple, real-time IO to external devices with minimal processing. However, we expect the exact outputs needed to ...
8
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1answer
349 views

Command line interface for KiCAD

Is there a way to produce Gerber files from command line in KiCAD (Linux/Unix) or a tool which can do it for me? The same question for SPICE netlist and BOM xml? I need it to automate this process ...
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0answers
4k views

Automate LT-SPICE? [duplicate]

I'm running a lot of simulations in LT-Spice, and I need someway to run them all either sequentially or at the same time. I was going to use Python, but I'm not entirely clear on how I would get ...
6
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5answers
1k views

Automated test for pushing a pcb mounted mini push button

We have a test that checks whether or a push button works or not, and as of now the test is done manually by hand. My question is how to do this automatically? We have considered using a solenoid to ...
6
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2answers
1k views

What stages do PCB mass-assembly techniques come in?

There's a spectrum of how you get PCBs assembled. 1) Have a human pick out all the parts, solder them all on by hand, and check them all by eye. Low cost of entry. Good for low-volume high-mix work. ...
5
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2answers
415 views

Do Pick and Place machines check their work?

For example, if a Pick and Place machine accidentally drops a component, will it realize this and grab an identical replacement? The only reason I can think of as to why it wouldn't do this is to ...
4
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1answer
321 views

Programmable power supply

I have been assigned to design a kind of programmable power supply. Can't decide on a way to make it. Need help with this. This is a high level block diagram of the required system: ...
4
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2answers
275 views

Is There An Automatic Precision Screwdriver For Small Works? [closed]

I need automatic tool to work with small electronical things but don't know of any good one. I am looking for something like this but of better quality and switch but push forward/reverse button: ...
4
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1answer
513 views

Android Home Automation

I'm trying to do home automation using android app and arduino teleduino. Basically, I'll be doing lights and power plugs. I still cant post images so here' the link to the diagram I saw and will be ...
4
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1answer
1k views

SSI to RS485 communication protocol

How do I interface a positioning sensor with SSI interface with an OMRON safety PLC with only RS485 interface? I understand both are serial, but would I loose resolution if I interface it?
3
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5answers
5k views

Remote Controlled Water Valve

I have been planning on building a rain water collection system for my parents to be used for watering their dogs outside. I thought it would be a cool project to automate the watering process. ...
3
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1answer
86 views

Are the PIR sensor modules motion sensors or proximity sensors?

I wanted to make a small project in which the lights of a room can only be turned on when there is someone in the room and it will turn off in absence of any person. I thought of using PIR sensors but ...
2
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4answers
2k views

Automation schematic software for linux

Is anyone aware of a good linux program for drawing automation schematics? Not PCB design, circuit simulation and fine electronics. Industrial automation. Example: I looked at a couple of different ...
2
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2answers
2k views

start a LTSpice simulation using code in MacOS

Help me please, I'm looking for the solution how to automate spice simulation with python on MacOS, currently, I'm thinking to use LTspice. However, I'm open to any proposal. I want to make ...
2
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1answer
511 views

Please rip apart my circuit design

I am making an opensource automated wireless window blind controller. It uses a motor to open and close standard metal blinds. Below are links to the project documentation: Full project page ...
2
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2answers
571 views

Can I hook up a water pump directly to DC-DC converter after solar panel?

I have a 20W/24V solar panel, a module like this: http://www.ebay.com/itm/DC-DC-Converter-Automatic-Step-Up-Step-Down-Module-3-5V-28V-to-1-25V-26V/361283328807 (step up/down module) and a 5W/12V water ...
2
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2answers
9k views

Can a home security system be built with an arduino? (40 sensors maximum, usb interface to pc)

Considering these requirements: 40 modules or sensors (one movement/presence sensor or one windows/door open/closed sensor) read state (boolean, or 0/1) of all modules as fast as possible (once per ...
2
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3answers
2k views

Does LTSpice support a “Remainder” or “Modulus” function?

I am trying to change a parameter in LT Spice with if statements and make it change on whether a different value is even or odd. Mathematically, this would be easy with a remainder or modulous ...
2
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0answers
1k views

ASDA-A2 RS-485 Communication Configuration

First of all, I know that my question is very specific for those who have hands on experience with the ASDA-A2 Servo Drive from Delta-Electronics. But I hope that someone will guide me through the ...
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3answers
3k views

RPM counter using 8051 microcontroller

I am building a RPM measurement unit using 8051 micro controller. I want to measure RPM of AC motor. I have connected proximity sensor to get the pulse for each turn. I have connected the proximity ...
1
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2answers
229 views

Chip Design Computer Generated Files for Fabrication Process

Could someone provide an overview of how the chip design files are used by the fabrication process? What I mean is once the design engineer(s) have completed the computer generated design blue print ...
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2answers
162 views

KiCAD - Automating schematic creation

I started a project in EAGLE, however found that the free version limits were too restricting. I then moved to KiCAD. I am trying to create a 144 pin chip as a library component for use in Eeschema. ...
1
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1answer
201 views

LabVIEW Calibration Routine

I have a hardware setup where I am trying to null the input offset voltage of an op-amp using an I2C digital potentiometer. The op-amp inputs are shorted and I am measuring the output using an NI Data ...
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3answers
2k views

Control a water pump with a relay board

I have a water pump rated 650 W and the attached relay board. Is it ok to modify a power socket to use one relay to control the phase and one to control the neutral wire? Thank you!
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2answers
1k views

Four quadrant description

I am developing applications for energy automation for power generation and distribution utilities but i dont have much electrical engineering background. I always have confusion when it comes to ...
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2answers
333 views

For SCPI programming in python, Is it necessary to install a NI-VISA back-end if you are trying to iterface with a non-National Instruments device? [closed]

[background/context] hello, I am trying to learn to automate measurement devices using SCPI commands, but instead of using Labview I decided to go with python. I have played around with SCPI commands ...
1
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1answer
76 views

designing a circuit to energize a 5hp motor when current is sensed to include a time delay (delay on release)

I am designing a circuit that would energize a 5hp motor(dust collector) when any of several woodworking machines are energized and would include a time delay(delay on release). I would like to use a ...
1
vote
1answer
615 views

How do external circuits in light switching units (such as Lightwave RF) use the mains wiring for power?

LightwaveRF is a simple switching unit that contains additional circuitry to enable automatic wireless switching. The additional circuit is powered by the mains light switching circuit. This is my ...
1
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1answer
84 views

AGC which tells you what gain its at?

I am looking for an AGC (Automatic Gain Control) which outputs not only the normal output but also another output which tells you what gain it is using. I need this for an automatic voltage meter I am ...
1
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1answer
65 views

250Voltage discharging turnoff circuit

I'm reconditioning my hybrid battery. To do so requires multiple complete discharges which I do not have time to be around for. To avoid damaging my battery I've been attampting to design a circuit ...
1
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2answers
2k views

315 MHz Reciever/Transmitter Raspberry Pi

I bought a receiver and transmitter (I can't find the link, but it says FS1000A and LR1 315.00 on it). I also have a set of remote controlled wall outlets that operate on 315MHz according to the FCC ...
1
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1answer
546 views

RS-232 control for Advance Energy Pinnacle power supply

I am inspired to post this question and answer by this meta post. This problem caused me a lot of problems and took a while to figure out. I have a partial answer. Perhaps others can elaborate ...
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0answers
141 views

Setup of motor control with remote and limit switches

I have a need to setup a rig that will raise and lower at the press of a button. I have two 12v motors which run the two ends of a gantry (i am not worried about speed control - since I will add that) ...
1
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1answer
738 views

Understanding DIN terminal block current ratings

I am making a control box for 12V 5 DC motors (~1.5 A total) and LED panels (~30 A). The system will pull ~30-35 A when it is running. Upon hearing of my project, a friend gave me some Allen Bradley ...
1
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0answers
155 views

LQR for inverted pendulum

I'm studying an optimal control for the inverted pendulum in the following figure the state and the output of the system are defined as $$x=\begin{bmatrix}r & \theta & \dot{r} & \dot{\...
1
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1answer
475 views

position control mode of industrial servo motor

I have searched alot about industrial servo motors and their application but the problem is about the pulse command used in position control mode, can I use a 555 timer for the generation of such ...
0
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2answers
703 views

Automating the measurement of current consumption of an embedded system

I have two circuit board. 1.PCB for battery pack 2.Embedded PC with various modules. I was wondering if there could be an automated way of measuring current consumption by the embedded module during ...
0
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2answers
32 views

How to connect a device to ground using negative signal with high impedance

simulate this circuit – Schematic created using CircuitLab I have a device that enables a ground connection when I press a key on a remote control. This negative signal used to control other ...
0
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2answers
179 views

What is the recommended way for starting an ac induction motor with a VFD?

I am designing a control strategy for an AC(induction) 3-phase motor fan in an HVAC air handling unit for pressure control inside the ductwork. The plan is to use a PID algorithm for the pressure ...
0
votes
1answer
53 views

Turn off automatically - timer [closed]

I'm creating a simple circuit and I need it to turn on when I press a button and stay on for the time that I choose on the timer (choose the time on a potentiometer, and it needs to go from like a few ...
0
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3answers
269 views

Controlling hardware with serial port [closed]

I initially posted this in SuperUser SE Site, but it was recommended that I bring it here instead. So, here we go :) We have a 'dated' security system at the office. It is a model that was made (or ...
0
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2answers
1k views

PID parameters are given in percentage

I have a question about setting the parameters of PID controller if they are given in range between 0.1% and 100%. I have a device with the PID controller and P, I and D shares can be set separately ...
0
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2answers
104 views

What are automatable rheostats called?

I need to find something like this but that is automatable, over I2C or GPIB or something. Is there a name for this? I am having problems finding something. Worst case I can buy this and hook up a ...
0
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1answer
207 views

Current limits and sensors power consumption

I have example sensors datasheets: 1sensor 2sensor 3sensor And I have supply current limited to 0.5 A. Which current from datasheets should I take for calculations if my supply is sufficient? ...
0
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4answers
501 views

Light sensor to sense light level

I have an application where I am trying to monitor a defect in a web based manufacturing process. This defect can be seen if one side of the substrate is lighted and the transmitted light is viewed ...
0
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1answer
106 views

Reading digital wafevorms via VXI11 from the LeCroy wavesurfer 510/MS-500

I automating a test with an osciloscope via VXI11 with python's vxi11 package. I am using the remote control manual given by LeCroy. I am trying now to extract the raw Waveformdata according to page ...
0
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1answer
41 views

How do you set up a VFD to run a motor at 2 different speeds?

I'm already familiar with the concept of altering the frequency to change the speed of the motor. So in this scenario, I'm looking into running a pump at 40Hz (high speed) and 23Hz (low speed). This ...
0
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1answer
42 views

Light Barrier Sensor - clocked or non-clocked light?

I was looking for a sensor, then I caught this: https://www.di-soric.com/pt/OGU-031-P3K-TSSL-44413.html In the specs - emitted light section, it says the emitted light is "Red, Clocked", with a ...
0
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1answer
60 views

Measuring sensor with two PLCs

Can I measure one sensor with two PLCs? I have a PLC that's part of a machine manufacturing stuff. Another PLC is part of a robotic arm that needs to grab the piece. It would be intresting to be ...