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Minimum output levels


"qui que ?"

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Does anyone know the minimum outputs of my chilli dimmers ?

 

 

1% ?

 

Manual here

 

Quick read of a spec sheet gave me a figure of 0.1A. not necessarily the model you've got though. Read the links on the website.

 

what do you actually mean? Minimum current output, minimum voltage output, smallest wattage bulb you can plug in and not light up on residual current? Or do you want to know what residual current it kicks out?

 

Touch more clarification please.

 

Neil

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hello. great to hear from you.

 

I'm looking for minimum V & W ..

 

this device for example ...

 

Operating Range 1.5V-5.5V

Nominal 4.0 V

Current (A) 0.035 A

 

 

Typical Load Characterisitcs

Current(A) 0.12 A

Output (W) 0.197

 

Stall Condition

Current (A) 0.34

 

 

thanks again

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I'm looking for minimum V & W ..

 

this device for example ...

 

Operating Range 1.5V-5.5V

Nominal 4.0 V

Current (A) 0.035 A

 

Typical Load Characterisitcs

Current(A) 0.12 A

Output (W) 0.197

 

Stall Condition

Current (A) 0.34

 

What worries me is the use of the word 'device'. What are you thinking of plugging into a dimmer output? Dimmers are 230/240v in this country, and designed to dim tungsten filament lamps.

 

The 'device' you describe above looks like it requires a transformer. If it is a 'device' that will dim in the first place, then you will need a transformer that is also able to dim. Again, what are you trying to plug in?

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Do remember that a dimmer is NOT a variable voltage power supply, it's a (usually) phase angle chopped mains sine wave. If your "device" has a stall current, it's a motor, why are you trying to run a 4v motor off a 240 dimmer? Something(s) may go bang and it might be a whole dimmer pack. :rolleyes:
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Brutalise a cheap LED Par, guessing its a D.C. motor so a PWM drive is what your after, coincidentally similar to LED drive, might need to beef up the output devices and seperate supply to get output down to 6V or so for motor, sart and on load current might be bit higher than nominal, relay with pull in close to DMX255 for reverse.
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couldn't go far wrong with a doo-daa

 

 

Brutalise a cheap LED Par, guessing its a D.C. motor so a PWM drive is what your after, coincidentally similar to LED drive, might need to beef up the output devices and seperate supply to get output down to 6V or so for motor, sart and on load current might be bit higher than nominal, relay with pull in close to DMX255 for reverse.

 

With a couple of doo-daa's, wink-wonks, thingamebobs and some electronics tinkering it should be possible to control near enough anything with DMX, with the exception of safety critical applications such as flame devices, as discussed elsewhere in the forum.

Personally I wouldn't suggest butchering a cheap fixture as suggested for what the OP seems to be trying to achieve. It would be better to start with a kit such as the Milford range and adding to that, it will be easier and all the information you require regarding outputs, voltages, currents, control protocol and so on are included with the kit. Much of it would be pure guess work with an existing device.

 

And yes, it is quite possible to interface a DMX desk with midi, not uncommon either B-) The data can go in either direction too :D

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