Setting Intensity With the Fluence LED Dimmer Controller A dimmer is the part of a Fluence room that most growers bolt on after the fixtures are already hanging. This one is a single-channel wall unit outputting either a 0-10V analog signal or a PWM signal, set by a switch on the housing. It leaves the factory pre-set to the analog signal, so a room running Fluence drivers works on first power-up without anyone touching that switch. Intensity covers the full 0 to 100% range and the digital readout shows the number rather than a vague dial position. Source and sink current is rated at 40 mA DC, and that current is what caps the chain. Fluence now puts the recommended ceiling at 25 fixtures, or 32 mA of loading, across no more than 200 feet of signal wire. Run the wire longer than that and signal strength falls off, which quietly reduces how many fixtures actually track the dimmer. The unit takes 120V AC and runs on 12 VDC at 0.5 A through a barrel connector. Two 2-position terminal connectors land the dimming signal wires, and one of them is a spare. Mounting the Grow Light Dimmer and What Ships With It Mount it on a wall near the fixtures rather than out by the door, because the signal-wire budget gets spent fast in a long room. Screws and drywall anchors come in the box. Keep it clear of the wet zone and anything that gets splashed during irrigation, and dry your hands before touching the buttons. Fluence rates it for spaces under eighty percent relative humidity, which rules out a lot of flower rooms at lights-out. A wall in a dry corridor outside the canopy is the usual answer. The LiPo backup battery holds the intensity setting through a short outage, so the room comes back where you left it instead of at full. This unit ships with its power cord, and Fluence has confirmed that the AC wall adapter is sold separately. That adapter is Fluence part DM2AA-DPA1BCMTAP, and without it the dimmer has no wall power. Growers running a combined power and dimming whip can skip it, since the fixture feeds the dimmer down the same cable. It is not a timer, so photoperiod still belongs to a contactor or an AC timer upstream. The dimming signal cable is a separate item too, and which one depends on whether the fixture takes M12 or M16. Key Features Dual Signal Output: Pushes either a 0-10V analog or a PWM signal, chosen with a switch on the housing. Digital Intensity Readout: Shows the exact set point instead of leaving you guessing at a dial position. Battery-Backed Setting: A LiPo cell holds your intensity level through a brief outage so nothing resets to full. Chain Capacity: Fluence rates a recommended 25 fixtures at 32 mA of loading over 200 feet of signal wire. Wall-Mount Hardware Included: Screws, drywall anchors and two terminal connectors ship in the box, one of them a spare. Fluence Fixture Compatibility: Works with SPYDR 1 and 2, VYPR 3, RAY, RAZRm, RAZRx and RAZR 2 through 4. Technical Specifications Specification Value Model Fluence Whisper 2.0 Dimmer (AC/DC) Dimming Signals 0-10V ±0.1V or PWM 0-100% ±1% Dimming Range 0-100% light intensity Source / Sink Current 40 mA DC Recommended Fixture Count 25 units (32 mA, 80% max loading) Max Signal Wire Run 200 ft (61 m) Input Power 120V AC, 60 Hz DC Supply 12 VDC at 0.5 A (barrel connector) Backup Battery LiPo, 600 mAh Dimensions 3.92 in L x 3.43 in W x 1.35 in H Weight 5 oz (142 g) Operating Humidity Below 80% RH Fixture Compatibility SPYDR 1, SPYDR 2, VYPR 3, RAY, RAZRm, RAZRx, RAZR 2/3/4 In The Box Dimmer, power cord, two 2-position terminal connectors, mounting hardware Sold Separately AC wall adapter (DM2AA-DPA1BCMTAP), dimming signal cable Warranty 1 year
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