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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22
votes
4answers
10k views

Why did my fuse blow after 3+ years of no problems?

For several years, I've had a solenoid wired to the 24VDC output of a PLC (Rockewell Automation 1769-OB16). To protect the PLC output card, a fast-acting 500mA fuse was installed between the PLC and ...
16
votes
3answers
12k views

Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again?

As you probably know, in the applications that the turn off speed of the solenoid valves are crucial, the simple flyback diode is not effective. Some people put a resistor in series with the flyback ...
10
votes
5answers
8k views

Does a solenoid valve allow continuous run-time for very long durations?

I have a bunch of A4F010-06-BS-DC24V solenoid relays. Can I use them on a continuous duty-cycle like certain relays or are they meant to be used only for certain duration at a time? I'm worried ...
10
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6answers
17k views

Small cheap electronic solenoid valve?

I want to make a device that can control a small solenoid valve for dispensing fluids. Basically a circuit which powers on and off the solenoid at different times to allow the fluid to flow. The ...
8
votes
6answers
24k views

DIY small solenoid water valve

I’m developing a huge project, very cool but very complex, is a “water printer” based on the work of a Japanese artist. I’m an electrical engineer so I’m very good at electronics and software dev, so ...
6
votes
2answers
1k 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 ...
5
votes
1answer
3k views

AC solenoid valve with DC

I have a 24VAC/60Hz solenoid. I used 12VDC just to try, and it worked good (well needless to say it worked as expected with 24VAC/60Hz). What are the effects of a solenoid that's designed for AC ...
5
votes
1answer
2k views

Circuit to control a impulse solenoid valve from a movement detector

I have a movement detector sensor that generate a pulse (3.3V TTL) for 60 seconds when something moves in front of it. On the other hand, I have a impulse solenoid valve that close on a negative ...
5
votes
6answers
1k views

Contact sparking even with flyback diode

I'm building a circuit to measure both voltage and current given to a solenoid valve 24V DC 15W. In parallel to the valve is a voltage divider with 470k + 100k Ohm resistors. In series with the valve ...
4
votes
1answer
586 views

Check for if I've picked the correct flyback and zener diodes for a solenoid valve driver

I want to use an arduino power driver shield which contains the RFP30N06LE MOSFET to drive the 12V version of a solenoid valve which has a power consumption of 2.0 Watts (so 167 mA current draw I ...
4
votes
2answers
1k views

High side regulation of current for proportional valve

I'm working with a circuit which is regulating the current over a generic, proportional solenoid valve (L1 in the schematic below). The characteristics of the valve coil is unknown/will vary and the ...
4
votes
1answer
237 views

LowPro proportional valve drive circuit clarification

Am new with amplifiers when trying to use them as a current controller so is just after some help in understanding the circuit. I am designing a circuit that will use a LowPro Proportional Valve ...
3
votes
1answer
197 views

Power loss in an equally distributed parallel solenoid circuit

I have 12 solenoids (12v rated) connected in parallel to two Darlington arrays (ULN2803A). Each solenoid has 88-ohm impedance. The power supply can provide a stable 12V with up to 2A current draw. (...
3
votes
1answer
334 views

Modulating a (diaphragm/direct lift) solenoid valve for proportional output

I am attempting to build a water control system which allows proportional control of the water output flow. I had initially thought of using servo-controlled ball valves, but it was suggested that ...
3
votes
2answers
13k views

Using a relay switch to switch power to solenoid

I'm fairly new to electronics, so I'm hoping I'm not so misguided that I am wasting all of your time. Basically I need to power a solenoid which in turn controls a gate valve, and the solenoid ...
3
votes
1answer
93 views

How to use sensor to measure amount of ink used for each print job?

Problem: I have done a bit of research and noticed a lack of this feature in the official software by the major inkjet printer manufacturers to measure and record the amount of ink used in each print ...
2
votes
3answers
1k views

In which way proportional valves are controlled solely by current?

Proportional valves are drived by current because we need a steady force and since resistance changes with temperature if they were driven by voltage this force wouldn't be steady. Ok, this is what I ...
2
votes
3answers
981 views

Controlling Solenoid Valves with ULN2003A, Inrush Current, Arduino

I want to control a total of five solenoid valves with my Arduino. The solenoid walves operate at 12 volts and have a power consumption of 5 watts per solenoid valve, which equals a current of roughly ...
2
votes
1answer
70 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 ...
2
votes
2answers
386 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 ...
2
votes
2answers
947 views

Choosing proper size of solenoid valve

This is my first question so please let me know what improvements can be made, if I need to edit things, etc. I've recently salvaged a heating element from an old single cup coffee machine that I ...
2
votes
2answers
662 views

Solenoid Operation for Hours

My boiler is connected to a sun-water-heating system. After the sun goes down this system start to draw heat from my boiler. Today I'm manually closing the valve connecting my boiler to the system. ...
2
votes
2answers
492 views

Solenoid valve - air popping sound

I am designing an automatically played air instrument which consists of an air compressor, solenoid valves, a variety of pipes through which air flows and makes sounds, as well as an Arduino connected ...
2
votes
1answer
1k views

Solenoid Valve blowing power LED - how can i protect the LED?

I have this simple circuit setup and working well to turn a solenoid valve on (close it) and off (open it again) for a watering system I use. missing is an on/off switch before the VCC. However, I ...
2
votes
4answers
1k views

24 VAC Irrigation Valve Oscillation?

Is there an oscillation happening when powering a 24 VAC irrigation valve? Since the solenoid is being driven by an alternating current (AC), does that mean it goes "on" and "off" at some points of ...
2
votes
3answers
3k views

Can we use 220V/60Hz Solenoid on 220V/50Hz supply?

Does anyone have experience of using 50Hz 220VAC for solenoid valve specified for 220VAC/60Hz ? It definetely will work, however is it safe/reliable in the long term? The model of solenoid is ASCO 307 ...
2
votes
2answers
3k views

Controlling Solenoids using Relay vs Transistor

In several examples, relays were used to control solenoids, others use the transistor. In my question, I'm looking at controlling 24VDC solenoid pneumatic valves. What are the advantages and ...
2
votes
1answer
67 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, ...
2
votes
1answer
177 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 ...
2
votes
1answer
160 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 ...
2
votes
1answer
1k views

adapter between thicker and thinner AWG wires [closed]

I'd like to connect two different AWG wires, sizes 18 and 24. Preferably made specifically for outdoors underground usage. More to the facts, the 24 AWG is part of a 8-wire CAT 5E cable that I need ...
2
votes
1answer
3k views

What component should I use to represent a solenoid valve in multisim

I'm trying to model a 12V 500 mA pilot assisted solenoid valve in NI Multisim, but it doesn't have any solenoid components that I see. I thought I could just model it with an inductor or relay, but I ...
2
votes
1answer
273 views

Control latching pulse-solenoid-valve with MOSFET Array

I have a setup where I need to control a solenoid-valve via a microcontroller. The solenoid-valve needs a 50ms \$\pm\$6V with around 250mA to OPEN and another 50ms pulse of now inverted \$\mp\$6V to ...
2
votes
1answer
836 views

Why my solenoid valves open only if power is turned on at last?

I have a set of eight 48Vcc solenoid valves that I'm controlling using an Arduino. The open and close signals are sent using the Arduino's SPI lines, which are connected to a circuit composed by a ...
2
votes
3answers
240 views

Arduino nano resetting after solenoid valve fires

I'm trying to control small, plastic 12V solenoid valves with an Arduino nano. I have an Arduino nano hooked up to a Sainsmart 4-Channel 5V Relay Module, and finally connected to the solenoid valves, ...
2
votes
1answer
302 views

Can we apply a longer pulse to latching solenoid than its rating?

I've a 6-12V dc latching solenoid, which needs 60ms of pulse to set it to on/off. I'll be using a microcontroller to generate the pulse. I've following questions. What if the generated pulse is ...
2
votes
0answers
80 views

Questions about a remote relay control application with a MOSFET

I need to control eight solenoid-valves for water drainage outdoors, remotely and simultaneously. The valves are normally closed (NC) type which I guess, in that context, means they open and let the ...
1
vote
4answers
315 views

Dosage control through flow meter and valve

I am trying to make a drinks machine that when a button is pressed, a predetermined amount of liquid (not determined by time) is allowed through a solenoid or other valve, and measured by a flow meter....
1
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4answers
3k views

Could someone explain dither signal?

I know that regarding proportional valves the dither signal is a signal superimposed on PWM command that actually moves the valve. It improves the response of the valve because the coefficient of ...
1
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3answers
82 views

Running 100 24v 1 amp solenoids with low amperage power supply

I am trying to run around 100 24v solenoids with a low amperage power supply. I originally thought when I began trying to run the solenoids I would go with a 100 amp power supply as each solenoid is ...
1
vote
4answers
106 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 ...
1
vote
3answers
135 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 ...
1
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3answers
2k views

The role of solenoid's wire diameter?

I'm not an expert in the electromagnetic field and need to design a solenoid actuator with 1 kg force approx. I am wondering if I change the wire diameter of the coil, what happens in solenoid's ...
1
vote
1answer
2k views

d Solid state relay minimum load current?

I am looking at using a solid state relay to drive a tiny pneumatic valve. The SSR spec has a load current range of 0.02 to 3.5A. Most SSRs specify a maximum load current, which is obvious as to why. ...
1
vote
2answers
88 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 ...
1
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2answers
2k views

How to trigger a latch solenoid valve from an Arduino?

I received a sample latching solenoid valve: https://www.alibaba.com/product-detail/Top-Quality-Dc-5V-Latching-Solenoid_60415603817.html I want to control it using an Arduino Pro Mini, running a 5V. ...
1
vote
1answer
63 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 ...
1
vote
1answer
69 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 ...
1
vote
1answer
135 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 ...
1
vote
2answers
519 views

Driving solenoid valve using LM358 as comparator and ULN2003

I'm trying to drive a 12V DC solenoid Valve with following diagram. In 1st block the PC input is compared with 2.2V and its output goes to block2 and ULN2003 for driving the valve. The 2nd block is a ...