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Schlage - Z-Wave Plugin Dimmer Module - 50% off = $19.99

davey4davey 10 31 April 26, 2016 at 10:04 PM in Home & Home Improvement More Amazon Deals
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Last Edited by BostonGirl April 27, 2016 at 05:26 AM
Amazon deal: http://www.amazon.com/Schlage-RP2...7D5UJY7IVU

$19.99 - Free Shipping with Prime and No tax.
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#2
Unfortunately, this doesn't work with LEDs, but it could be used simply as a signal repeater. Good price. Haven't seen them this low in a long time,
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#3
Quote from godealsgo View Post :
Unfortunately, this doesn't work with LEDs, but it could be used simply as a signal repeater. Good price. Haven't seen them this low in a long time,
I am not sure about that since a Google search shows this is a verizon rebranded RP200. Amazon reviews of RP200 shows that they work with led as well. Check here for RP200 reviews. http://www.amazon.com/gp/aw/d/B00...op?ie=UTF8
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#4
I have one controlling a 30ft led strip with no issues.
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#5
oos that was fast. Hopefully they will come back.
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#6
Quote from Scatpack View Post :
I have one controlling a 30ft led strip with no issues.
Led strip are usually resistor based (though not always) and those will typically work just fine with dimmers. Led lights driven by constant current drivers is where the triac dimming problems come in.
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#7
Can these be put into an on/off mode that doesn't dim?
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#8
Quote from NogginBoink View Post :
Can these be put into an on/off mode that doesn't dim?
No. There is another model that offers on/off. While you could force your automation system to go to 100% or 0%, it will not go there immediately, it will dim up and dim down to those levels. The dimming action will wear and reduce the life of lamps that are not made for dimming (like high power halogens and old flourescent tubes). Appliances should also not be used with these as they aren't designed to withstand loads with significant resistance (Fans, heaters, or anything with a heating element, etc.) and doing so creates a risk of fire.
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#9
Quote from doczaius View Post :
No. There is another model that offers on/off. While you could force your automation system to go to 100% or 0%, it will not go there immediately, it will dim up and dim down to those levels. The dimming action will wear and reduce the life of lamps that are not made for dimming (like high power halogens and old flourescent tubes). Appliances should also not be used with these as they aren't designed to withstand loads with significant resistance (Fans, heaters, or anything with a heating element, etc.) and doing so creates a risk of fire.
Yes you can, I got 4 of these on this deal and set them up to turn off and on.
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#10
Quote from davey4davey View Post :
Yes you can, I got 4 of these on this deal and set them up to turn off and on.
Let me try to clarify what I said before:

Quote :
While you could force your automation system to go to 100% or 0%, it will not go there immediately, it will dim up and dim down to those levels.
Unlike manual dimmer switches you can buy for cheap, there are no Z-wave switches with hybrid dimmer/relay functionality. That is because these are two completely separate types of circuits. One uses resistance to limit the amount of power being output and the other physically disconnects/reconnects the connection. Z-wave dimmer switches are never truly "OFF" (unless they have a physical switch you can manipulate). So NO there is no "mode" that would to turn these into ON/OFF devices remotely*. Some controllers can fake it by allowing you to remove dimming controls. But the controller is simply issuing a "dim to level 255" command when you hit ON and a "dim to level 0" command when you hit off. The circuit does not/can not/will not reach either of those levels immediately.

Per the Amazon Listing:

Quote :
Works with incandescent table and floor lamps, use the Schlage Home Appliance Module for lamps with CFL bulbs.
Per the Manual:

Quote :
DO NOT use with non-resistive loads, such as fluorescent lighting, CFL bulbs or motors... Any modification or use other than described may damage the unit and will void the warranty.
Per the Schlage RP200 Z-Wave Certification:

Quote :
Z-Wave Technical Information
Z-Wave Frequency: U.S./Canada/Mexico
Z-Wave Device Class: SWITCH_MULTILEVEL / POWER_SWITCH_MULTILEVEL
Supported Command Classes (8):
Basic
Version
Manufacturer Specific
Node Naming and Location
Switch Multilevel Configuration
All Switch Powerlevel
All Switch
*The RP200 (of which there were several models before it was discontinued), may have the ability to have its DIM Step and/or DIM Rate modified by a controller like the Nexia controller it was made for. Advanced controller software may allow you to manually adjust these parameters as well, though you would need to know the parameter index and the allowed range of values. This would be another way of "faking" on/off. For example, change the dim step to 99 and the time time to 10 milliseconds. This doesn't though make this device safe to use with appliances, or anything else not in its specifications.

Why is any of this important?

As I noted before, a dimmer uses resistance to limit the power that is output by the switch thereby manipulating the brightness of the lamp. When the manual says "Do not use with non-resistive loads" it does so because the circuit of the dimmer module was engineered with an incandescent bulb as the load in mind. The resistance of the tungsten filament in an incandescent bulb not only completes the circuit but as designed, regulates the amount of current being drawn through the dimmer. So what about appliances or motors, they have resistance don't they? Yes they do, but appliances vary in their power requirements, but most expect consistent and constant power from on to off. Other appliances like heaters may have power requirements that are too high, and motors like ceiling fans may have temporary startup loads that exceed the recommended amperage/wattage of the dimmer.

When you introduce a non-resistive load, this regulation does not occur as expected and what can happen as a result is anyone's guess. Best case scenario everything works fine for a time and eventually the dimmer burns out and stops dimming or turning on all together. Worst case scenario the dimmer overheats and catches fire.

TL;DR

If you just want your incandescent lights to come on and go off as quickly as possible, by all means, fake it till you make it baby. Otherwise, get the right device for on/off functionality, if you don't you will likely void any warranty, experience reduced life of both your Halogen/LED/CFL Bulb as well as the switch itself and possibly create a hazard that your insurance company might not take kindly to.
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Last edited by doczaius May 3, 2016 at 06:13 PM
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