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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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Standards/Insight into Transient Protection of Industrial/Construction Equipment

I am designing a device that will be connected to the 12 or 24V battery of certain construction and industrial equipment. I'm aware that because these are industrial vehicles/equipment we will need ...
Andy M's user avatar
  • 43
1 vote
0 answers
26 views

Arrangement of isolated variable DC input

I design isolated DC input for industrial applications that can possibly work from 12 to 24 V. I add a 5.1 V Zener for over-voltage protection, a capacitor for filtering, and TVS for surge production. ...
Hamid s k's user avatar
  • 333
-1 votes
4 answers
56 views

Relation between power, voltage and current [closed]

I just started work in an industrial food manufacturing company, and they ask me what will happen to current if voltage increases in an industrial setting. I answer with OHM's law which state that ...
Carlo S's user avatar
  • 31
1 vote
0 answers
14 views

Data availability on a HART device network configured for multi-drop mode

We have 2 flow meters on an equipment installation that are HART-capable. As they are installed today, configuring these devices in multi-drop mode would be much easier than running additional wire ...
Big Owls's user avatar
0 votes
0 answers
32 views

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 ...
Gurul_01's user avatar
3 votes
5 answers
652 views

What does (DW) mean in the TI equivalent of SOIC (16) package?

TI datasheet says: SOIC-16 Wide Body (DW) and Extra-Wide Body (DWW) Package Options It doesn't mention what DW stands for. I am annoyed when manufacturers come up with their own naming conventions ...
Dynamic_equilibrium's user avatar
0 votes
3 answers
111 views

DIN rail terminal block resistor

Is there a reliable solution for placing my own through hole resistor into a DIN rail mountable terminal block? Or is there any off the shelf solution the use a resistor to convert my 4-20mA current ...
Gurul_01's user avatar
0 votes
1 answer
114 views

Arduino 0-10V input

I have read Arduino Mega 0 - 10V analog input? for Arduino analog inputs, but I want to make the circuit for industrial use. I have read that an analog opto isolator should be good. Can I get any ...
Ádám Werner's user avatar
0 votes
7 answers
3k views

Can I utilize 3 phase power in a single phase appliance by connecting all 3 lines in parallel?

I can't seem to find an answer to this. Assume we have a 400V three phase power source. Connecting phase-to-neutral will give 240V. If you connect them in parallel you should still end up with 240V AC....
Nederealm's user avatar
  • 167
1 vote
1 answer
109 views

How to convert 12~24Vdc range input to steady 12V, 5V and 3,3V for beginners

This is my first try in the power management world - I always used ready to run power supplies to my devices, so here is my current chalenge: I have a prototype for an industrial device that is ...
Mendes's user avatar
  • 111
2 votes
2 answers
711 views

How reliable are screw terminal blocks when the connected cables are allowed to sway a little bit?

2.54 Screw terminal blocks are a really convenient way to wire up devices without the need to solder a port or a jack connector. However, with all their convenience, how reliable are screw terminal ...
Noideas's user avatar
  • 109
0 votes
2 answers
74 views

High reliability, automatic reset, enable switch

I am currently facing the issue that I am currently working on a subsystem for a high power industrial automation system. The panel of this subsystem consists of a lot of components, however here only ...
user338269's user avatar
2 votes
1 answer
531 views

Going from PD3 (pollution degree 3) to PD2 using IP54 (ingress protection 54)?

I wonder what is needed to reduce a PD3 (pollution degree 3) environment to PD2? It seems that IP54 housing could do it, but I have not found this clearly written in text (there is some vague ...
warpi's user avatar
  • 61
0 votes
1 answer
198 views

How can I connect a CP35MHT80 laser distance sensor to a Raspberry Pi?

I am currently working on a project where I have to use an industrial laser distance sensor. My boss asked me to control it with a Raspberry Pi. I have no clue wahtsoever where to start. The sensor ...
AZ87's user avatar
  • 1
13 votes
4 answers
3k views

Is there a technical reason why sensors goes from 0.5 to 4.5V volts?

Is there a technical reason why sensors output goes from 0.5 to 4.5V (analog) or 10% - 90% (digital)? I understand that for diagnostic purpose one doesn't normally want to use the full range ...
user217354's user avatar
1 vote
3 answers
56 views

Attaching terminal lugs to conductive case

I am wondering if there is a standard way to attach terminal lugs to a case that is conductive. I want to create an electrical connection that is mechanically connected with a screw. The issues with ...
mm3psych0sis's user avatar
20 votes
7 answers
4k views

Are there still practical modern uses for large through-hole resistors?

When teaching electronics to college students, we often use these large 1 W cylindrical resistors - not because we need the wattage rating, but because they are easy to handle and read the color code ...
user1247's user avatar
  • 383
2 votes
1 answer
2k views

ANSI color standard for panels

Enclosures for Electrical Equipment & Panels at Electrical Rooms, Substations and other facilities are typically "industrial grey" colored. From questions like in mikeholt.com, se.com, ...
Brethlosze's user avatar
  • 1,429
2 votes
0 answers
74 views

Protecting PCBs from dust with Polyimid (Kapton) tape

Servers in a data center will run all day and night for three to eight years. Fans will blow an enormous amount of air into the electronic parts. Datacenters are not always dust-free, also small "...
Tintenfisch's user avatar
3 votes
1 answer
51 views

Experimental determination of motor properties

There's a motor that I need to seek a replacement for but unfortunately the nameplate is no longer on it and it's been rewound already. While I can spec a new motor for the application, I'd consider ...
SRR's user avatar
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1 vote
0 answers
79 views

Power Industry - How to determine if a transformer is sufficient for the use

If I have a customer who provides me with their peak kW demand (say, 1000 kW) and wants to know if it is sufficient for them to downgrade from a 2500 kVA unit to a 2250 kVA unit. Is this determination ...
MoreThanMeetstheEye's user avatar
0 votes
1 answer
140 views

Measure current and voltage with same ADC input without switch

I am looking to design a device that measures signals from industrial transmitters with values of ±20mA and ±10V. I want to use the ADS8674 from TI as the ADC but i want to use the same inputs to ...
Luis Alvarado's user avatar
-1 votes
1 answer
89 views

High-reliability transformer selection [closed]

Our company has an emergency diesel generator as backup in case of electrical failure. This generator is powered by batteries to start up the genset. In order to charge those batteries, we need a ...
Moto's user avatar
  • 3
0 votes
0 answers
38 views

Uninterrupted single cell li-ion power supply design for always on IOT device

I am desigining an IoT vehicle tracker for industrial use. We have 2 stages of buck-LDO to get 48V to 3.3V. My aim is to build a UPS circuit so that a single cell Lipo can power the whole board when ...
Shivanshu Mahim's user avatar
2 votes
2 answers
386 views

What is exactly meant by "hardware/software design productivity gap"?

I am new to this forum and I hope that this is the right one for my question. I cross-read some electrical engineering papers and often stumbled across the terms "Hardware Design Productivity ...
c0mr4t's user avatar
  • 123
0 votes
1 answer
155 views

Do I need a current limiting resistor with an industrial rail DIN optocoupler?

I'm going to use this industrial opto-coupler: Optocoupleur RS PRO, montage Rail DIN, 6 mA In its specs document they don't mention the need of a current limiting resistor. I always add a current ...
Pedro NF's user avatar
  • 265
0 votes
2 answers
190 views

DC Vacuum Contactor Coil - Failed Close

I am using a 350A DC, normally open vacuum contactor that experiences a failure while the contactor is closed (coil energized by 24VDC) for an industrial 1000VDC application. The manifests as the ...
rbarb88's user avatar
0 votes
0 answers
128 views

24V input shutdown-latch - is it a good idea?

I want to protect my circuit by adding the ability to the MCU, to turn-off the power supply (and by this also turn itself off), in case of certain failure conditions are met. One of it would be ...
KarlKarlsom's user avatar
  • 1,812
0 votes
1 answer
342 views

Can inductive sensors work on anodized aluminum?

I was wondering if an industrial-grade inductive sensor can detect an anodized aluminum plate. From what I know, based on the working principle of these sensors (basically the metal is detected by its ...
Pedro Germán's user avatar
1 vote
4 answers
933 views

Microcontroller 24V digital output

For a microcontroller generating a 20mA industrial digital output. What kind of setup is best? I'm considering: Microcontroller pin driving a low current N-FET to pull a 24V signal to ground. But ...
mosfeta's user avatar
  • 25
0 votes
1 answer
189 views

Pulse duration detection evaluation (opto) LT-22222 from dragino

My question seems simple but i can't find the answer on documentation. (or I don’t have enough skillz) I have this energy meter with pulse output: https://cdn.store-factory.com/www.compteur-energie....
user3178486's user avatar
0 votes
4 answers
564 views

200Hz electrical noise on an industrial machine

The problem I've got an industrial controller that takes an N-type thermocouple and scales its range (0-1300°C) to a 0-10V DC output signal. (For reference, the module is this: https://www.status.co....
CT123's user avatar
  • 55
0 votes
1 answer
181 views

ESP8266 GPIO pin improvement

Is it possible to make this connection to an ESP8266 pin? I saw this at Ruggeduino and tried to implement it for the ESP8266. Below is the schematic: Here's my reference: This type of diode: Here's ...
Rizkis Walker's user avatar
1 vote
0 answers
91 views

What do you do with 5 VDC at 150 amps? [closed]

I recently picked up a switching power supply that is rated for 5 VDC at 150 A wondering in industry where you might find that being used. I was told possibly older industrial computers still running ...
Timothy Szymanski's user avatar
0 votes
1 answer
489 views

PNP high-side switching with logic reverse

I am trying to design a High side switch(24V,10A) using a PNP Transistor, the switch control signal is PNP or NPN from the PLC output. How to select the control signal type (NPN or PNP) using a ...
user31562's user avatar
4 votes
1 answer
161 views

I need help with SCCR

I work as and E/E intern for a industrial panel company. A customer wants a 30kA SCCR panel. The input power is 3 phase 460V, an unknown distance from the main panel in the customer factory. Inside ...
Jeff A's user avatar
  • 73
0 votes
0 answers
306 views

0-10V control signal for valve actuator from -10/10V DAC

I'm trying to control a valve actuator (24VAC power) that uses a 0-10V voltage input signal which only uses one wire, with a USB multifunction board which has a +-10V DAC control output which uses two ...
Andrew Caspary's user avatar
0 votes
1 answer
74 views

Industrial IO board ST X-NUCLEO-PLC01A1 - design features

For a project I want to buy an X-NUCLEO-PLC01A1. So I studied the schematic and datasheets (CLT01-38SQ7)(VNI8200XP), but there are still some points that confuse me. What is the purpose of D20 - is ...
KarlKarlsom's user avatar
  • 1,812
0 votes
3 answers
175 views

What replaces SD card in industrial applications

I am using a SOM (something with Zynq 7000) that boots from an SD. While SD provides a lot of storage, i can't use it in industrial applications in a long term- it is not rated for temperature range ...
user avatar
0 votes
2 answers
149 views

Contact deterioration, arc forming on high power DC switcher

I have a problem on a switch contactor on high power load control. It is expected because the load is up to 200 amperes at 48V DC, resistive load. How do I protect the contacts from a full load turn ...
Marcos Vinicius's user avatar
0 votes
2 answers
302 views

PCB Review - LM5164

What you guys think about my LM5164 power board? Tried to copy the demo board version, 15-100Vin - 12Vout@1A.
Marcos Vinicius's user avatar
0 votes
1 answer
73 views

Looking for layout advice for industrial environment using ATMEGA328P

I need some advice on the layout of my board. I'm using Atmega328P and intend to use it in industrial environments. The purpose is to take a 30Vdc max input and step down to 5V with LM317 to power the ...
Marcos Vinicius's user avatar
0 votes
1 answer
70 views

Looking for all-encompassing website to download standards (UL, NEC, ISO, etc) [closed]

TLDR : Frustrated with the way standards are handled in my industry bc they are important, looking for one website that does it all. I am a controls engineer and have been in this industry for about 7 ...
necroncryptek's user avatar
0 votes
1 answer
354 views

No change in output signal from SICK encoder

I have a SICK DFS20A-A2PBD065536 incremental encoder and I am powering it with 24V DC. When I rotate the shaft, I do not get any change in either A or B output signals (Its a quadrature encoder). We ...
Eric Ashworth's user avatar
1 vote
3 answers
408 views

Dimmer for electric underfloor heating element [closed]

I'm new here and a mechanical engineer who knows just a little about electronics, so please excuse any ignorance. We have electric underfloor heating in our kitchen. It seems the thermostatic probe ...
Markymark's user avatar
0 votes
2 answers
220 views

Writing code for new microcontroller/module without examples [closed]

I started learning embedded systems programming(after a long time when I stopped) and I see that most microcontroller boards/modules come with some set of example codes which can be used a base to ...
Anudocs's user avatar
  • 123
-1 votes
2 answers
283 views

What standard must a component/ device comply with to be industrial grade?

I am looking at an iot device that claims to be industrial grade. It meets standards such as UL60950-1 and has an operating temperature -40 --> 85C so looks good but is that enough? Exactly what ...
SeanJ's user avatar
  • 919
0 votes
1 answer
89 views

Wiring 24V Soleniod valve

I'm having an issue with connecting the industrial pneumatic valve with 2 coils to relays. EDIT: I have connected it like this in the scheme below. Coils are connected to NO port on the relay, ...
Jernej Janc's user avatar
1 vote
1 answer
134 views

I need to understand the circuit diagram of a Klöckner Moeller relay output unit

I am working on the automation of an old servo driven feed system for a mechanical power press. I have come across these relay output units from Klöckner Moeller (machine make year 1980`s) pictures ...
Adnan Baig's user avatar
0 votes
1 answer
52 views

How does industrial application interface a switch that is several meters away

I am wondering on how the industrial section deal with situations where a button is several meters away from the controller. Is there a device that specifically handle the debouncing/filtering/...
DrakeJest's user avatar
  • 897