|Italian to English translations [PRO]|
|Italian term or phrase: pulsante fungo ad impulso|
|Could this be a plunger type button? I found "pulsante fungo" as "mushroom button" on the manufacturer's site (no, really!), but the buttons "ad impulso" are differentiated from the other mushroom buttons. Any ideas?|
|English translation:on/off mushroom head pushbutton switch|
Mushroom head does seem to be the best answer with regard to shape. (try a google search with (mushroom head as opposed to mushroom shape).
Their function is a bit more difficult. I think that mushroom shaped buttons are almost always act as emergency circuit breakers and start stop switches and they are usually red. I think their use is regulated in an ISO standard. (I myself had to do a translation on them and I remeber that they were in compliance with some ISO standard).
McGraw hill gives a definition for push button switch below.
[ELETTR] interruttore a pulsante
A master switch that is operated by finger pressure on the end of an operating button.
I think the "ad impulso" here may is referreing to the very short reaction time. If you push it in, I think it trips a switch and immeadiatly pops out agian as opposed to "ad aggancio" that stays put upon being pressed".
But then again "ad impulso" may refer to the control signal the button generates as Cathy has proffered above.
I would ask the client specific questions on how it functions and ask them "Why is it called ad impulso". "How does it work", What does it do".
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|Jerold- Thanks for all your help. I ended up sending a few options to the client, who wanted to choose for himself. I appreciate you clearing up the 'ad aggancio' thing as well, because there were indeed a few of these too! Thanks to everyone for getting in on the game - esp. Angela!!|
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mushroom-shaped surge button
I think it is a mushroom-shaped button that is external to the plane as opposed to a button type, which must be pushed in(for example, "Pulsante a fungo spegnimento d'emergenza"). "Ad impulso" could also mean "surge" rather than just pulsating so I guess that it might mean a type of surge protection button....but it is a guess.
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These buttons evidently operate with a pulse control (for the mushroom part, squeeze that in as you like -- mushroom pulse pusbutton; mushroom-shaped pulse pushbutton).
See the following:
Pulse Signal Or Manual Pushbuttons
Pulse control was developed to operate gearmotor actuators (MOV). In its classic form, a low voltage relay would power a contactor to turn a 440 vac motor in the appropriate direction. When the relay was activated, the motor would turn. With the relay off, all power to the unit was cut and the gearmotor would remain in place. Crude positioning was caused by low duty cycle, motor run on, relay cycle time and gear wear. Resolution in excess of 2% could be expected.
As modern electronic controllers were developed, provisions to continue with pulse control were included. Innovative methods to turn pulses into true control signals by varying the frequency and duration were tried. Although potentially effective, the real stumbling block, the gearmotor actuator, remained in the control loop. Increased pulses of short duration only served to exacerbate the low duty cycle and to compound the maintenance problems.
Pushbuttons are a manual pulse signal. These applications will position the valve anywhere within its stroke. Smaller gearmotors can be powered directly through the buttons or larger units may require the intercession of a contactor. In many cases, the actuators are upgrades from a manual handwheel operator.
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ACI - 202 - Safety Switches - Emergency Stop Mushroom Head ...
You are currently viewing: Select a Catalog Section ...
22mm Family (C2000)
... LIGHT. P9XU----, ROUND INDICATING LIGHT - UNIBLOC.
P9-EM3-N, ROUND MUSHROOM-HEAD PUSHBUTTON (28 MM).
30mm Family (104P)
... PUSHBUTTON. PBK-1, CYLINDER KEY LOCK PUSHBUTTON. PBK-5,
CYLINDER KEY LOCK MUSHROOM HEAD PUSHBUTTON. PBK ...
... XAW-B. Terminals blocks. XAW-C. Pushbutton EEx "e", pring
return, Ø40 mushroom head, with black plastic bezels. ...
Decker Engineering, Inc.
... Legend plates $1.80; Pushbutton guard (1/2" recessed) $6.00; Mushroom head guard (1-5/8" only) $24.00; Colored insert for long/short lever $0.40;. ...
pushbuttons & pilot lights - Klockner Moeller... Mushroom-Head Pushbuttons. Color/Legend, Catalog ... Selector Switches with Rotary Head.
specify front disc for ... the back of any pushbutton or selector operator shown ...
... 800T-B***, Extended Head Pushbutton, 800T-N229, 800T-N293, 800T-N292, 800T-N19.
800T-D***, Mushroom Head Pushbutton, 800T-N229, 800T-N293, 800T-N292, 800T-N19. ...
MSU Pushbutton Control Units
... The latching device where fitted holds the stop pushbutton in the depressed position
until the latch is released by clockwise rotation of the mushroom head. ...
APEM | A02 series, mushroom head pushbuttons... Momentary and maintained function mushroom head pushbutton actuators. Momentary
function version is unmarked (Mushroom head pushbuttons share the same ...
File Format: PDF/Adobe Acrobat - View as Text... foot operation. Oversized "mushroom head pushbutton" Actuating path to the plunger
and design is highly visible and easily Charging the spring. accessible ...
I've been translating manuals for machines with mushroom-head pushbuttons for a lot of years. On these machines use these extra-large red and green pushbuttons as emergency stops and cycle starts, as they are bigger and more robust.
The expression mushroom pushbutton is also used but it is less precise.
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