Questions tagged [solenoid-valve]
A solenoid valve is an electromechanically operated valve, which is controlled by an electric current through a solenoid.
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Why do I have a sudden current peak when PWMing a valve?
I am driving a proportional solenoid valve with PWM from an MCU as follows:
The voltage of the MCU is 3.3 V. The gain of the amplifier is set to 20 V/V. Because the valve consumes 170 mA when fully ...
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2answers
73 views
How to avoid noise when controlling a proportional solenoid valve with PWM?
I need to control 3 different proportional solenoid valves. The manufacturer advises to use a PWM frequency between 600 and 1000 Hz. I have tried it at around 800 Hz and it works. The problem is that ...
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1answer
39 views
Can I control a solenoid valve below its nominal voltage?
I need to control the following 2 ways direct solenoid valve ("Series 252 D01") :
https://www.emerson.com/documents/automation/catalog-series-252-dental-manifolds-asco-en-6779448.pdf
It is ...
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1answer
36 views
Time relay and solenoid valve
For a project, I need to control a normally closed solenoid valve and be able to apply a current on the valve only for a set amount of time before closing it again, and only once (so no cycle).
I ...
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1answer
69 views
How are proportional solenoid valves generally controlled?
I am working on a project in which I have to control 3 different proportional solenoid valves. I have never worked with solenoid valves before, at first I thought proportional valves could be ...
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1answer
57 views
Can anyone identify this component? B08 55L
This is on a gas solenoid control circuit. Glorified on and off switch, the only significant other bit in the circuit is a NAND switch dual Schmidt trigger IC.
The right leg is connected to ground, ...
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2answers
104 views
Can I power a 12V solenoid valve with a 24V supply [closed]
I am trying to control a 12V solenoid valve with a 24V supply. Will it work and what are the potential dangers?
Here is the part: https://www.amazon.de/-/en/solenoid-variants-pneumatic-electric-...
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2answers
83 views
Controlling a FESTO solenoid valve with Raspberry Pi - Trigger Issues
I'm currently working on a project for university, where I want to control a Festo solenoid valve (MHJ10, https://www.festo.com/cat/en-us_us/data/doc_enus/PDF/US/MHJ_ENUS.PDF) via a Raspberry Pi GPIO. ...
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2answers
81 views
How to test a pressure control solenoid valve?
I have tested the resistance of the solenoid valve (variable force solenoid) and it was 3.6 ohm, however, when I connected it to a square 9V battery, the plunger didn't move. Does that mean it's ...
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1answer
72 views
How do I prevent all valves to activate when a single curcuit activates?
I'm setting up a watering system in my greenhouse. This is a 12v DC system.
I have three timers, each controling its own solenoid valve + a shared water pump.
How do I prevent current from going to ...
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1answer
69 views
SSR with AC valve doesn't turn off
I don't have much experience with solid state relays. I am going to describe my problem.
I have a SMC AC valve that I want to control with a Crydom SSR and an Arduino UNO.
When I send the signal to ...
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1answer
87 views
Solenoid driver schematic
Here is a circuit I'm working on. Its purpose is to accept a PWM signal (PID control) and drive a small solenoid valve that consumes ~200 mA at 12V. I have some questions I would love to get a second ...
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1answer
299 views
Solenoid valve on 24V powered with 12V?
I am having the follow solenoid valves : 2W-320-32, which is marked to work on 24V, but seems like they open on 12V as well, so I am wondering :
What would happen in long terms if I am powering ...
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2answers
328 views
Simple ESP32 driver for solenoid valve rated 24V/2A?
( As an extension to the question asked here ESP32 driving Solenoid requiring 2A/24V DC with IRF520? , I am adding this question with the idea to help more peoples with the results, since seems like ...
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1answer
133 views
ESP32 driving Solenoid requiring 2A/24V DC with IRF520?
I am trying to design a circuit, which will drive my home valves which is on 24V and by specifications must supply 2A ( but this is quite suspicious, and probably it is requiring much lower current, ...
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41 views
Replacing fried relay for solenoid valve
I have a sink faucet that operates with a capacitive sensor, if I touch anywhere on the sink it turns the water on, or off. After around a minute it automatically turns off if left on.
The sensor ...
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2answers
135 views
Flyback diode placement for solenoid valve simulation circuit
I am working on a project where I want to fake the presence of a solenoid valve in a control unit on a car so that the control unit does not give an error message.
The output of the control unit is a ...
0
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2answers
68 views
Controlling 32 solenoid valves from a single BeagleBone Black
I am trying to control 32 solenoid valves from a single BeagleBone Black. My EE skills are not up to par for this task, but I am learning.
In this system, at most one solenoid will be active at any ...
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2answers
2k views
How close should the diode be to a solenoid?
When using a diode to deal with the back EMF from a solenoid, common advice is to put the diode as close to the solenoid as possible. Indeed, in pinball machines, I've seen diodes soldered directly ...
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1answer
78 views
is a water inlet valve water resistive by design? [closed]
I cleaned a leaky washing machine water inlet valve with wd-40, pressurized water, pressrized air, drain opener(caustic soda+ sodium chloride), vinegar and alcohol and gave it a massage gun session ...
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1answer
58 views
How to select the right details for activating solenoid valve
I'm working on a smart watering system as a home project. I have a water output in my balcony (a tap) and I want to control the water flow using an Arduino Uno and a solenoid valve. I still don't have ...
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4answers
157 views
How to design a solenoid.?
I want to design a DC solenoid valve that could compress a spring under 5 kg of load. All I know is the voltage (12V), load (5kg), the current range (15-20), and the cross-sectional area of the ...
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4answers
105 views
What device can I use to parallel 4 dry contact signals from 4 timer relays
What device can I use to multiplex 4 dry contact signals from 4 timer relays to actuate an isolation valve? In other words, any of the signals from the timer relay should be able to actuate the ...
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0answers
39 views
Acoustic noise from EMI filter
I am using this proportional valve driving circuit:
The valve is 24V, 2W, driven with a 2kHz PWM. I hear an acoustic noise coming from the EMI-Filters L49, L77. I know that the noise is coming from ...
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1answer
99 views
Controlling Valve Actuators with PWM signal
I want to control ME-4340 Syncube Non Spring Return Modulating Valve Actuator - 0/2-10Vdc ME-4340 with an STM32.
The Timer configurated as PWM generator of the STM32L073RZTx gives 3.3V at 100% So I ...
0
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2answers
47 views
Lowest power circuit to control low current 240v circuit
I'm trying to control 6 normally-closed 230v valves using a raspberry pi. These valves draw little current when energised (1W) but do have a maximum inrush current of 550mA. Normally this would be ...
0
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1answer
57 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, ...
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0answers
41 views
Control flow rate of a solenoid valve using PWM
I'm hoping to control the flow of chemical by shutting a solenoid valve periodically over short intervals, similar to this video: https://youtu.be/O49mqn33vBI?t=6
Does anyone know if conventional ...
0
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1answer
93 views
Appropriate solenoid valve flyback diode
I control a 24V solenoid valve via PWM controlled MOSFET. I have a 1N4007 diode parallel to the solenoid. If I put a 2.2uF electrolytic capacitor directly next to the solenoid it works properly, ...
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1answer
181 views
Is a flyback diode necessary with a relay module for operating a Solenoid valve?
Assuming I have a relay module (I'm not sure about its features) that is connected to a 12 V DC solenoid valve and should be operated by a microcontroller.
Do I need a flyback diode connected with ...
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1answer
249 views
Converting an electrical schematic into a physical panel layout
I'm an undergrad researching physics, my job has been to make this electrical schematic, can I get some help figuring out the physical layout?
I've basically self-taught myself enough of solidworks ...
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28 views
Valve driver specifications
I need to control a NSF/ODE JM R1 2/2 valve. Here the datasheet (Gofile link).
I cannot understand the electrical requirements. It says:
Power: 5W DC
Running power: 10 VA AC
Startup power: 15 VA AC
...
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3answers
113 views
Selfmade hand sanitizer? [closed]
I want to build a hand sanitizer on my own. Like these, you can buy for enormous prices.
I need a proximity sensor (like the ones, which use infrared to check if someone is there).
And I need a small (...
0
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2answers
628 views
What battery do I use to power solenoid?
Hello I’m quite new to electrical work and I’m trying to open and close a solenoid valve with a battery. I have bought these tiny 23a 12v battery. The solenoid says it needs 12v dc. I have no idea why ...
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1answer
2k views
How to power solenoid valve?
I'm pretty new to electrical work in general and was wondering how I would open and close a solenoid valve. It says on the specifications that it needs 12 VDC. Do I just take a 12 volt battery and put ...
0
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3answers
224 views
Relays turning on randomly when 24VAC sprinkler solenoid valve is shut off
tl;dr: I'm having a problem with 8-relay module boards that control sprinkler solenoid valves. When 24VAC is present, sometimes turning a relay off causes other relays to randomly turn on.
Long ...
0
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1answer
302 views
Controlling a AC valve solenoid using a SSR relay
I have a micro controller based irrigation controller which should control solenoid valves.
The solenoid is 24V AC type, with 25 Ohm resistance.
I am considering to use some triac based SSR to switch ...
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2answers
35 views
Normally Closed, 24V DC, 1/4 NPT Female, 1.4 Cv solenoid valve power supply
I have a solenoid valve of Normally Closed, 24V DC, 1/4 NPT Female, 1.4 Cv, 500mA max current drawn.
Can somebody verify the power supply requirement.
would this be an ideal power supply unit for the ...
0
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2answers
439 views
Can I extend the life of a solenoid by reducing its supply voltage?
Say that I have a 12VDC 2A rated solenoid, but I test the lowest voltage that my solenoid operates reliably for my specific application. Could I just operate the solenoid at this lower voltage to ...
0
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1answer
47 views
Raspberry Pi, SSR, Solenoid Valve Power (Multiplexing?)
Background
I have a RaspberryPi-controlled irrigation sprinkler system that I am working on. I would like the RaspberryPi and the Solenoid Valve (when the Solid State Relay is closed) to pull power ...
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0answers
183 views
How do I prevent my BMS from tripping when solenoid is connected?
I am working on a project that is effectively just a battery powered reticulation system. It is charged through a solar array and cheap MPPT charger, which connects into the battery via the BMS. The ...
0
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1answer
160 views
How to control proportional valve (pvq13-5l-03-m5-a) with arduino
I would like to know how to control this specific proportional valve with arduino.
The valve operates with a constant 12V and driven by current of a range of 0-170mA.
Could you help me with what ...
0
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0answers
174 views
How much current can a tin solder track handle?
I'm working on a DIY project where I need to control some 9V solenoid valves with an Arduino.
I don't have the tools to make a PCB myself, so I chose to work on perfboards.
Now, I have to connect ...
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1answer
185 views
How does a washing machine intake solenoid valve control flow rate? [closed]
Our washing machine, an AEG L69480VFL ( seen here ) has a pair of solenoid valves on its water intake looking like this:
(One controls the flow to a tube running to a detergent compartment, the ...
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2answers
471 views
How does my breadboard circuit diagram look? Is my circuit going to explode?
I'm working on my first Arduino project and I thought I picked something simple enough. But before I set my breadboard on fire or ruin any of my components, I wanted to make sure my plan made since ...
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1answer
163 views
Connecting Solenoid valve in the emitter of the transistor
We are working on a circuit in which we are controlling two way solenoid valve (24V, 10W). We are using 3.3V based controller. The solenoid valve is connected to the controller via TIP 122 (NPN ...
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1answer
213 views
How to use a sprinkler valve in multiple zones?
I am currently setting up an outside irrigation system. When I built the system, I thought the irrigation controller would allow me to power multiple zones at the same time, and that each valve - ...
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3answers
197 views
How to reduce 46v to 24v for a solenoid valve
I seem to have bought the wrong solenoid valve. It takes 24v (I assume AC), and I just tested the supply and it is 46vac. The valve obviously works at that voltage, but it sometimes makes a loud ...
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1answer
680 views
Circuit to control 24VAC OR 24VDC solenoids
Is there a circuit out there that could control both 24VDC or 24VAC solenoids from a 24VDC power supply? I am working on a sprinkler control board that I would like to be able to use both on. The ...
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1answer
122 views
What size capacitor do I need to reliably close a 1" US Solid motorized ball valve?
I am making a water feature that will involve a stream fed by the basin of a fountain with a pump at the end sending water back into the fountain. To control the water flow rate through the stream and ...
