Questions tagged [industrial]

Questions related to electronic circuit design in industrial environments where environmental conditions such as temperature, humidity, vibration, noise are significant and require careful consideration above what would be needed in commercial settings. Includes questions on Industrial Grade parts.

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17 views

How to proceed with designing process of Jetson Xavier AGX? [closed]

I need to customise the NVIDIA Jetson Xavier AGX and make a carrier board for it. I have simple requirements. I plan to have a carrier board quite similar to the Development kit, with the ...
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63 views

Methods to ruggedise a USB3.0 type A port

I am developing a carrier board for a autonomous navigation robot. I need to change the USB 3.0 type A ports to ensure a reliable connection in a rough terrain. I am familiar with some methods as: ...
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40 views

Ways to ruggedize 40 pin header for Rugged environment

What are the options for operating a 40 pin header (usually for UART, SPI, CAN, I2C, I2C, DMIC, GPIOs) in a rugged environment? So that the connections stay put and wires can be handled easily.
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44 views

Wiring for industrial applications

If I am buying wire to be used in a damp environment, and I need a ground wire for an AC device, can an insulated third core act as a ground wire? I don't know what effect having no insulation has on ...
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1answer
87 views

How can I use 24V DC input for Arduino digital pins?

In this circuit, switches should be connected to 24V DC and arduino pins should check whether switches are on or off to control led behaviour. I don't know how to use 24VDC for this situation. I would ...
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1answer
67 views

Is it safe to bundle together 380V cable + 24V signal cable + network cable?

I have the following cables between two machines: 380V 3-phase power cable 24V signal cable EtherCAT cable I would like to create an interface using a modular connector such as the one in the ...
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1answer
44 views

Choosing industrial grade components after a consumer grade proof of concept

I assembled a basic prototype with an ATSAMD21G18 based microcontroller and what I believe are consumer grade sensors (LSM6DSOX, LIS3MDL) to test out a proof of concept for product that would need to ...
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1answer
50 views

What is the purpose of these coils in contactor auxiliary contacts?

Can someone please tell me what the function of this module, and more specifically, the curley wires on top of this contactor? It looks like the wires go to the same terminals as the main contactor ...
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1answer
67 views

Control Board with simple logic

We are using an old electrical system in industry. My task is to digitalise it. As i saw, PLC is too expensive and large scale for our operation. Also, microcontroller needs programming which makes ...
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32 views

Single Pair Ethernet PHY

I have been working on a project of industrial device and I'm considering use of industrial interface. I would like to use an SPE interface. I've found a PHY layer DP83TC811R-Q1. Does that module ...
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0answers
72 views

Is this an elegant approach for a simple, debounced tank level controller?

I am interfacing some industrial (24v) process control equipment to some new projects in the embedded realm of electronics (3.3/5V small signal) and am coming up with some simple solutions for ...
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0answers
47 views

Small connector alternative for 10/100base Ethernet [duplicate]

I have been looking for a small connector that I can use for Ethernet 10/100 base communication. There were some similar discussions here about the same topic, but I couldn't find a solid answer. In ...
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1answer
83 views

What is the purpose of this PLC circuit?

I am reverse engineering the PLC I/O module. One output consists of a Smart Switch with 3 additional components. Obviously, this is some kind of protection. But how does it work? Updated: PCB ...
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0answers
34 views

What display interfaces do automotive screens use?

For example the screens inside tesla cars, I first think of HDMI, many high end embedded processor boards come with HDMI outputs, but is this connector found in actual mass production or industrial ...
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1answer
39 views

suggestions for how to implement a weird VFD jog mode?

I'm a total noob at electronics, but my employer has asked me to try to program a replacement VFD on our industrial stone-cutting saw. Everything works on it now, but I need to figure out how to ...
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2answers
71 views

Do these fluorescents contain ballast and starters?

I will probably buy some used fluorescent lamps to grow vegetables indoors for my project. As I am aware fluorescent lamps need ballast and starter. I don't have experience with fluoresent lamps and ...
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2answers
28 views

Is a Synchronous Step-Down Converter powered from industrial 24v a good choice to power a 3.3 volt MCU and sensor ic?

I am building a sensor that will be powered from a 24v industrial power supply. The board will contain a 3.3 Volt MCU and sensor IC. Is it a good idea to use a synchronous step-down converter and just ...
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36 views

Improve protection of device that got damaged by a primary side short

Today I swapped one of our devices that got damaged by the customer during installation. The device consists of a base board with several modules (power supply, IO cards, processor board, display+USB, ...
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1answer
123 views

What is the intended use of the 400 Hz-rated power supply on osciloscopes?

The power supply of many oscilloscopes and other test equipment from different manufactures are commonly rated for 400 Hz operation. For example, Tektronics MDO3000 is rated to work at 400 Hz at 115 ...
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1answer
109 views

Fuel Level Sensor Safety

I'm looking up fuel level sensor manufacturers (Omnicomm, Technoton etc) and noticed that a lot of them offer capacitive fuel sensors for all types of fuel. However, based on my understanding, ...
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1answer
263 views

Why do vibration sensors use a negative voltage?

I've started looking at some industrial vibration monitoring sensors for a project and it seems like there's a number of brands that use negative outputs voltages. Many are eddy current sensors with ...
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1answer
146 views

Legal for trade weighing using a PLC

We have a project where we need to weigh product material for selling to customers. This is a project installed in Europe. This is an industrial product line performing material manufacturing, ...
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3answers
218 views

RMS power and phase angle control

We have a piece of industrial equipment using a phase angle controller (PAC), and are having some issues calculating the RMS power used by the load. Personally I am of the opinion that you measure ...
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3answers
78 views

Battery systems for 440v industrial motors

Are there systems utilizing batteries to start large (25hp - 50hp) 440v 3-phase electric motors, thereby eliminating spikes to the supply grid?
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1answer
67 views

different types of smps [closed]

I need a 12v 5A power supply for a heating element. I found out there are two main types of smps: first one is mounted in a metallic case and usually cooled by fan (in some websites it is called "...
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1answer
85 views

Is there a SSR like device that can switch at kHz frequencies?

I'm designing an industrial control system that incorporates several peltier devices. As I understand it, these devices are more efficient when driven with a constant voltage, vs being cycled every ...
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3answers
126 views

What could be the reason for chip capacitor failure due to silicone potting?

Is silicone potting of PCB board beneficial or risky? What could be the best material for encapsulating a power supply board? I used 2 part mixed silicone potting compound for encapsulating a ...
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1answer
39 views

Fusing on dual voltage industrial device

Please forgive me if this question has been asked before. I am designing a heating device that will be sold to industrial consumers. In our past designs we have had multiple versions of the same ...
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1answer
334 views

Interpretation of EN 61000-4-5 Surge requirement on a DC Power Port

I am trying to understand how to treat the DC power port on my industrial device (read: will be used in CNC machine shops and industrial processing plants and the like) should be tested according to ...
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2answers
96 views

Are transmitters always required for industrial sensors (4mA-20mA)?

I am designing a device that takes in various types of industrial sensors. Initially, I had a transmitter to take the PWM signal and convert it to 4mA-20mA. After reading lots of articles about the ...
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1answer
91 views

480v motor, running like a bat out of hell.

I have a 480v motor that is connected to an auger. When the auger fills up, the torque from the motor continues to drive it and then just snaps the shaft clean in half. I am looking to build ...
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2answers
264 views

Raspberry pi for extreme outside using [closed]

I want to use raspberry pi for a vehicle park project. The Raspberry will stay in a metal box and it will never power off. The metal box is waterproof but its in middle of a empty area so it will get ...
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1answer
61 views

HMI design industerial [closed]

I'm planning to design HMI for a product that i want to design. but, I've questions that I couldn't find answers to: 1- TFT or OLED screens, are they reliable? do they last for > 10 years? (ok, yes ...
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1answer
367 views

EMI/Y-capacitor in inverter phase outputs?

Is it good or even used practice to filter out common-mode EMI in 3-phase industrial inverter (IGBT) phase outputs using phase-to-earth Y-capacitors? High du/dt might limit the lifetime of such ...
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1answer
5k views

How are terminal blocks depicted in a wiring diagram?

I have started to document the electrical system in a custom machine that we own. I'm using TinyCad for the schematic and that's working OK. I also want to create wiring diagrams to represent the ...
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2answers
137 views

What is a “current load” on a 24 V input used for?

The MAX14821 (datasheet) is a 24 V IO device that features selectable current loads for use in actuators on the inputs. What would this be used for? It's not just ...
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2answers
347 views

Can you use a LED driver (WS2801) for a 4-20mA control loop

I am trying to make a 4-20mA control loop on a home made sensor that will connect to a PLC. I was using Texas Instruments XTR111AIDGQR, but it is too expensive, costing $1.72. so want to try switching ...
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344 views

Reading industrial magnetic length sensor (DRO)

My brother broke his LCD display on his saw, it is a simple display put on conductive silicon strip showing numbers and some status icons. They priced the replacement for about 500$, which is kind of ...
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1answer
483 views

How to use DIN rail jumpers

I just discovered DIN rails for industrial kinds of loads (10's of amps). I'm using these parts, and am wondering whether I should jump on both sides. It seems like more connections would mean lower ...
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4answers
8k views

ESP8266 - is it used in real industry? [closed]

I wonder if ESP8266 or similiar (ESP32 for example) modules are used often in real mass production in medical/automotive/military/households industries. I see many DIY projects with it, but there is ...
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1answer
219 views

Industrial level input protection

Take for example a Siemens S7 24V digital input. I read a couple of articles and also questions on SE and it seems there should be (maybe integrated, maybe as a discrete part): optocoupler to ...
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1answer
125 views

What Resources To Learn About AT89S52 [closed]

Can anyone tell me about some books or sites for video tutorial which are specific to Atmel 89S52 because I googled and I am not getting any video tutorial,books or ppt except datasheet to learn about ...
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1answer
1k views

Wire sizing when connecting multiple motors

I'm connecting two electric motors and an electric heater in parallel together in a circuit, all three phase. Electric motor 1 has a rated current of 20A, motor 2 is rated 2.5A, and the heater is ...
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0answers
996 views

Low-pass digital filter for 0-10 V, 4-20 mA input

I'm looking for a little direction or recommendations in how to select and implement a low-pass filter in software as my background in signals and systems is quite weak. In particular, I'm interfacing ...
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6answers
4k views

Why is zero represented by 4mA in 4 - 20 mA industrial control systems?

Ideally, to drive a controller the required current must be just above 0 mA. However, practically we consider readings only taken from 4 mA as the valid data sets. Now, my question is why do we take 4 ...
37
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10answers
17k views

Why is the temperature range of industrial and military products so high?

From Wikipedia the common temperature range for electrical components is: Commercial: 0 to 70 °C Industrial: -40 to 85 °C Military: -55 to 125 °C I can understand the lower part (-40°C and -55°C) ...
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2answers
4k views

What is a corner-grounded power system?

Another translation, another question. Original German: Antriebssysteme dürfen nicht direkt an TT-, IT- und an TN-S Netzen mit geerdetem Außenleiter betrieben werden! Rough translation: Drive ...
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1answer
582 views

connector recommendations for CAN bus and power supply to distributed PLCs

I'm looking to build a distributed PLC system with up to 20 devices spread throughout a building, controlling lights, HVAC, irrigation, security, etc, and want recommendations on what connector to use ...
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1answer
4k views

Waterproofing electronics by dipping into polyurethane or lacquer

I've been looking at and thinking about a few related topics... https://arduino.stackexchange.com/questions/9163/using-arduino-for-industrial-process Reliability of the Arduino platform for ...
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1answer
1k views

How can computer replace PLC in industrial machines? [closed]

I am having internship in a semiconductor manufacturing company and learning about machines in front-end section. Technicians say that the machines all use computers as they process multiple complex ...