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Questions tagged [hmi]

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What kind of IC is this - damaged in the TQFN10 housing, marking WEA

I have a problem with HMI Allen Bradley, The ETHERNET port does not work, I found out that this area is powered by an IC in the TQFN10 housing with the code WEA. What kind of arrangement is this?
wojtiqs's user avatar
1 vote
1 answer
72 views

Runtime display for last 24 hours

I'm working on a BRX PLC connected to a C-More HMI. I'm using Do-More Designer to write ladder code. I'm looking for ladder logic that will give me the runtime of a circulating pump in the last 24 ...
Geo's user avatar
  • 45
1 vote
1 answer
73 views

What is this component from a SCADA?

I decided to join here as I can't find this specific component on the web and I might as well ask here. So I have a broken HMI/Scada screen and on the motherboard I found a burnt component, but I don'...
obebodd's user avatar
  • 11
-1 votes
1 answer
1k views

Serial2.write not working on ESP32

well I using topway brand HMI display it is very easy to use with Arduino nano or UNO with rs232 converter. this my converter: . for example this code is writing "63" number on display. it ...
mehmet's user avatar
  • 1,139
0 votes
1 answer
391 views

Arduino NANO heating issue

I am trying use a HMI display with arduino NANO. I am powering arduino and hmi display ( topway 5 inch smart display ) with 9 volt adaptor. everyting works fine. but if I plugin the Tx, Rx pins which ...
mehmet's user avatar
  • 1,139
-2 votes
2 answers
168 views

Hmi normally open or normally closed

Currently i am working on a new project for which im using Unitronics vision oplc ide .This is my first time using unitronics plc . I have a doubt , while i'm using invertbit,would the object be a NC ...
Muskan's user avatar
  • 1
0 votes
0 answers
58 views

24 Volt system with 2 outputs. Convert to 12 Volt Outputs

What would I need to add to set up to get 2 outputs at 12 volts. Outputs are 0 and 1. I would assume relays. Signal Outputs. For a 3 Position 12V Solinoid. Micro 820 2080-LC20-20QWB
John S's user avatar
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0 votes
1 answer
77 views

Removing STM32F4xxx based HMI from CANBUS puts the network in BUSHEAVY state

I have a CANBUS with 3 devices on it. A PLC (CAN IO 14+, HAWE), a HMI (Barth DMA-20) and a 6 button CAN enabled button panel (Greyhill). The issue is, when I remove the display from the network (...
Aman Kejriwal's user avatar
0 votes
2 answers
13k views

TIA portal - failed to establish a connection

I'm using TIA portal siemens v15.1 for my project when i tried to upload the code to the plc this error pops up. Appreciate anyone can help me in this issue
Aisha's user avatar
  • 11
0 votes
0 answers
107 views

HMI lost connectivity to TCP ip network

I need help with an ASEM HMI130TF with a SCADA program on it works on Windows 7. it is connected with LAN network TCP/ip with a PLC and another HMI, and it has a static ip. the problem is it ...
mr.Arrow's user avatar
0 votes
2 answers
153 views

Digital control of contactors

We are trying to control a bunch of 3 phase contactors using an HMI. The contactors' coils are activated by two lines of the 240V 3 phase source (L1 and L2). We are trying to figure out if the ...
Ivan Leon's user avatar
-3 votes
1 answer
69 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 ...
Hasan alattar's user avatar
4 votes
3 answers
4k views

Which color puts the least "strain" on an LCD pixel to avoid burn-in/ghosting?

I am developing a user interface on a cheap Kinco color LCD HMI unit. After leaving a test UI on the screen for about 3 days, there was a very decided "ghosting" effect. I was able to eliminate the ...
Ryan Griggs's user avatar
  • 2,696