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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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H-Bridge with inductive load default state

I am developing a circuit for controlling solenoid valves and i am using H-Bridges (composed of PMOS and NMOS transistors). My question is whether it is important, when the H-Bridge is in its default ...
irag10's user avatar
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4 answers
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Controlling multiple solenoids simultaneously with no microcontroller

I have a project that requires simultaneous functioning of four solenoid valves. Ideally, these should be controlled using push button switches, and I would like to be able to control them together ...
Anders Vangsgaard's user avatar
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ESP32 rebooting on gpio LOW

I am using esp32-wroom-32 module to turn on/off the 24v electronic solenoid valve using 5v relay. Detailed circuit is shown in the image below. However according to my observation whenever the ...
java bee's user avatar
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Wiring of buttons in solenoid and PIR sensor

Folks, have been working on the project and I'd appreciate any help with checking if everything wired correctly and if there's anything needs to be added or is redundant. Project is straightforward: ...
Okini's user avatar
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2 answers
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How can I prevent a 120VAC solenoid valve from resetting my ATMEGA328?

I'm using an ATMEGA328 running Arduino code to control a relay which uses a 5V signal to switch a 120 VAC solenoid. I added a flyback diode to the relay which fixed an earlier reset problem, but I'm ...
Jake Nixon's user avatar
13 votes
6 answers
3k views

I keep blowing up irrigation solenoids

I built my own Wi-Fi connected irrigation controller using an Arduino Nano and some mechanical relays. The Arduino is opto-isolated from the business end of the relays which switch 24 V AC on/off to ...
Jim M's user avatar
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2 votes
2 answers
182 views

H-bridge with two logic-level GPIOs drawing high current

I am working on controlling a bi-stable latching solenoid with an H-bridge. The microcontroller that I am using for my project doesn't have enough GPIOs for me to use four pins for the H-bridge, so I ...
sdolan's user avatar
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2 answers
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12 V direct acting solenoid valve doesn't open when connected to water line

I have a 12 V DC solenoid valve that works fine when not connected to water line. But it fails to open when it is connected to water line. It's a direct acting solenoid valve so should work without ...
Bappy's user avatar
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1 answer
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Arduino Bi-stable solenoid valve

I'm making a bi-stable solenoid valve with the help of an Arduino and a motor controller module (MX1508/MX1616). I saw many instructions about motor controller with PWM speed etc, but didn't see any ...
Kokachi's user avatar
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Schematic of proportional valve driver

I am not the most competent person in electronics, so I am faced with a question. in my project I need to control a proportional valve asco202. NXPERIA in its article gives the following scheme: The ...
Kopylov's user avatar
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Current driven proportional solenoid EMC

I'm looking to control a solenoid like this one through up to 60 feet of cable. (PV3P12032A0) One chip I've looked at is the infineon TLE82453, although there are quite a few of this type from ...
Erik Friesen's user avatar
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Could I use a DC motor in place of a solenoid valve in a simulator?

I'm doing a project and using Proteus for simulation. I wanted to use a solenoid valve but couldn't find the component in Proteus. Could I use a DC motor instead?
dkbs__'s user avatar
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1 vote
1 answer
208 views

How can I implement current control for proportional valves?

I am currently working on operating a proportional valve for airflow, but I am facing some challenges. Initially, I attempted to control it using a DRV8871 motor driver with PWM frequencies of 500 Hz, ...
Nav's user avatar
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4 votes
1 answer
198 views

Eliminating a weird pulse when switching a valve actuator using a low-side MOSFET

The circuit is connected as drawn below: MOSFET IC = MAX14919A Valve actuator = MHE2-MS1H-3/2G-M7-K Schottky Diode = SS16HL-TP The pulse happens when the low-side MOSFET opens (disconnecting the ...
KevinZ's user avatar
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How to vary output current by maintaining constant output voltage? [closed]

I want to control a proportional valve by keeping its voltage constant while varying its output current. Is there any way to achieve this
Nav's user avatar
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Guide in designing circuit with Solenoid Valve 12VDC interfaced with Arduino Nano

I am not of an expert and just beginning in electronics, I have tried to design this circuit. The schematic is for the 12VDC-4.5W solenoid valve to act like a gate valve to pass and stop the flow of ...
Bravo's user avatar
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1 answer
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Guide in explaining the circuit design with Solenoid Valve 24VDC interfaced with Arduino Nano

I am not of an expert and just beginning in electronics, I have tried to design this circuit. The schematic is for the 24VDC-3W solenoid valve which I'll use to control a pneumatic cylinder (required ...
Bravo's user avatar
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3 answers
245 views

Why continuous solenoid buzz?

I'd like to drive a 24 VAC solenoid (an Irritrol series 700 sprinkler valve solenoid) with the secondary voltage from a plugin transformer (a Vitek model VT-24VAC/20). Checking this on the bench, I ...
Cord's user avatar
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0 votes
1 answer
199 views

Diode in parallel with AC solenoid valve

I have a circuit I'm trying to design to fire both 120VAC and 24VDC solenoid valves. We have relays that work on 12vdc for the coil, and can switch AC or DC. the valves are normally around 30W. I ...
Austin Fox's user avatar
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1 answer
72 views

What kind of solenoid is this?

My electrical water timer broke, and interested to see its inside I opened up and found this (image) solenoid. I'm not sure what type it is. The whole thing runs on 2xAA (2x1.5V) batteries, but it ...
u314's user avatar
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1 vote
1 answer
71 views

Using Arduino to gate +5 and -5 supplies, simultaneously

I have some valves (Walfront36atn8w5ph) I need to control. They use pulses of +5V and -5V, with up to 1A current (specified, not personally measured), to change state (no holding current/voltage, it's ...
EE_Questions's user avatar
0 votes
2 answers
182 views

Driving a solenoid via a digital output

What are the effects of the pull-down resistor (33K) when the solenoid-valve enters its turn-off phase? Will it prevent the solenoid-valve from ever discharging because current would flow from ground ...
user2063586's user avatar
3 votes
1 answer
585 views

How can the magnetic field produced by the shading ring of a solenoid valve be 90° out of phase compared to the coil magnetic field?

I am trying to understand how the shading ring in solenoid valves is able to produce a 90° out phase magnetic field compared to the coil's magnetic field. The logic seems different from a shaded pole ...
Bim's user avatar
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1 vote
2 answers
513 views

Reducing a constant voltage source from 24 V to 12 V [closed]

I currently have a constant voltage source powering a PLC which outputs 24 V DC. I need to drop the voltage from 24 V to 12 V. Is there a way to do this without buying a $100+ DC-DC converter? The ...
Michael Chaput's user avatar
1 vote
1 answer
267 views

Solenoid valve drivers

I'm developing a driver with a NMOS to control the solenoide valve. The power supply V_uC is the signal from the board STM32. As yoz can see from the schematic, I placed R2 to protect the STM32 pin. ...
stefyanna's user avatar
0 votes
1 answer
186 views

Controlling a solenoid valve with a relay and a 18650 battery

I have a 12 V 18 W (1.5 A) solenoid valve that I want to control valve with an RF relay. I use a Sony 18650 li-on battery to power this system. A 1S 10 A BMS unit is protecting the battery. Even ...
A.O.92's user avatar
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2 votes
2 answers
148 views

Diode failure for bistable valve

I have a refrigeration system where the flow of refrigerant is controlled by a bistable valve. If the voltage for the coil is positive the valve is in position 1 and if the voltage to the coil is ...
Jeppe's user avatar
  • 21
2 votes
1 answer
270 views

Can we use a 230 V/50 Hz solenoid on a 240 V/60 Hz supply?

My question is the inverse of this one: Can we use 220V/60Hz Solenoid on 220V/50Hz supply? The thing is that I bought a European espresso machine rated 1450-1600 W, 220-240V, 50/60 Hz and I am ...
Jean-François Beauchamp's user avatar
2 votes
2 answers
569 views

Can regular ON/OFF solenoid valves be turned into a proportional valve just by changing the control electronics?

I was wondering whether it was possible to make a proportional valve out of a regular ON/OFF solenoid valve by characterizing the current vs the flow rate and then driving the solenoid using a ...
user42875's user avatar
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1 answer
125 views

NodeMCU v3 with TIP120 and DC booster

I have already been through plenty of topics to try to integrate three TIP120s with a DC booster in order to operate two solenoids valves (non-latching NC ones). I think I am getting close but there ...
wr0ng.name's user avatar
-1 votes
1 answer
96 views

How is this solenoid going to last for months? [closed]

After buying a water control unit for my garden I got curious of how it worked, so I picked it apart and had a look before assembling it again :-). It uses 2x1.5V AA Alkaline batteries to output 3V (...
fk69's user avatar
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-1 votes
2 answers
1k views

Controlling a 12V solenoid lock with 3.3V - IRLZ44N

I would like to drive a solenoid lock from a 3.3 V MCU with a N-channel IRLZ44N MOSFET. Here are the specs and diagram: Solenoid Lock: 12 V – 2 A (K02-12V DC 2A Electric Magnetic) Below is the diagram ...
pmundt's user avatar
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0 votes
1 answer
3k views

Current consumption by a solenoid valve

I want to calculate the voltage drop in a circuit loop consisting of a solenoid valve. The valve power consumption is 16W. The valve datasheet mentions minimum voltage to operate as 18V. I have a 24V ...
Falcon98's user avatar
0 votes
4 answers
218 views

How to connect a bistable valve?

I need to control a bi-stable valve: Here is the typical wiring provided for such 3 wires type valve: But I don't want to continue to feed it when actually closed or opened which is normaly ...
lalebarde's user avatar
  • 103
1 vote
1 answer
501 views

Can I use a 50m network cable to power two 24VAC solenoid valves?

I have purchased two 24V AC solenoid valves to control the irrigation in my greenhouse. The plan is to install the two valves inside the greenhouse and power them using relays in the garage which is ...
Filip's user avatar
  • 13
-2 votes
1 answer
85 views

Solenoid valve triggering [closed]

Will a solenoid valve if kept in on condition (triggered) all day long cause it to burn itself, due to the heat it produces or for any other reason? Rating - (24V DC, 2A, normally closed, 1 inch, ...
Meet_1605's user avatar
3 votes
2 answers
239 views

Drain current spikes when switching on MOSFET with LT1160 driver

I'm designing a control circuit meant to drive a proportional valve. I'm trying to simulate the driver and mosfet side of things in LTspice using the LT1160 half bridge driver and two readily ...
Ismail Assaidi's user avatar
0 votes
2 answers
697 views

Is it a good idea to drive 24VAC solenoid valves with triacs?

I want to build irrigation system for my garden. Most solenoid valves for that purpose work at 24VAC. I'm wondering if I could use triacs to drive them. They are cheap and small (in comparison with ...
Kamil's user avatar
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0 votes
3 answers
273 views

Adding nFET-driven reverse polarity protection to a switching regulator input

I'd like to protect my board mounted switching regulator's input from reverse polarity events without having to modify the existing run of boards we had created and populated. The primary regulator ...
Big Owls's user avatar
1 vote
4 answers
338 views

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 ...
JackOfHearts's user avatar
2 votes
2 answers
774 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 ...
JackOfHearts's user avatar
1 vote
1 answer
412 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 ...
JackOfHearts's user avatar
1 vote
1 answer
95 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 ...
Dan B.'s user avatar
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1 vote
1 answer
1k 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 ...
JackOfHearts's user avatar
0 votes
1 answer
77 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, ...
Gilligan's user avatar
1 vote
2 answers
3k 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-...
be-ee's user avatar
  • 405
1 vote
2 answers
477 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. ...
Nina X's user avatar
  • 23
-1 votes
2 answers
2k 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 ...
John Sall's user avatar
  • 251
2 votes
1 answer
97 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 ...
sbrattla's user avatar
  • 646
1 vote
1 answer
362 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 ...
Bercebus's user avatar

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