Power Draw Units (PDUs) on the QS Link

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John Summers
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1 System Power Draw Units () Link Power Draw Units () on the Link o.28.7 Lutron has created an easy-to-use method for standardizing power requirements when designing systems known as the Power Draw Unit or PDU. The PDU is a pre-calculated value assigned to every device, exhibiting the power prerequisites of each power group, and allows for quick layouts of complicated systems to be determined without the need for lengthy calculations. PDU Power Draw Unit: a value assigned to each device specifying power that is either supplied or consumed. A device with a positive (+) PDU value supplies power on the Link while a device with a negative ( ) PDU value consumes power. Devices with a zero PDU value neither supply nor consume power on the link. Power Group A collection of wired devices, where one device supplies power and the other devices consume power. The power supplied must sufficiently power all devices that consume power to ensure proper function. When the PDU values are added together, the count must be zero (0) or greater One power-supplying device per power group Connections Within power groups, connect all four terminals of the Link Between power groups, connect only terminals, 3 and 4 ( terminal 2) Link Features Wiring can be T-tapped or Daisy-chained Link has a limit of 00 total devices For device and system limits: see system or product specifications at Wire Sizes (check compatibility in your area) Link Wiring Length Wire Gauge Lutron Cable Part Number Less than 500 ft (53 m) Power (terminals and 2) pair 8 AWG (.0 mm 2 ) GRX-CBL46S (non-plenum) GRX-PCBL46S (plenum) Data (terminals 3 and 4) twisted, shielded pair 22 AWG (0.5 mm 2 ) Up to 2000 ft (60 m) Power (terminals and 2) pair 2 AWG (4.0 mm 2 ) GRX-CBL-46L (non-plenum) GRX-PCBL-46L (plenum) Data (terminals 3 and 4) twisted, shielded pair 22 AWG (0.5 mm 2 ) Notes: For more information regarding Lutron cable specifications, please see Lutron P/N and P/N at For wire runs over 2000 ft (60 m), please contact Lutron Technical Support

System Power Draw Units () Link PDU Calculation Example 369405o 2.28.

2 System Power Draw Units () Link PDU Calculation Example o Between Power Groups Only terminals, 3, and 4 between devices that supply Within Power Groups All four terminals to link devices that consume V+ Link Wiring Rules between devices that supply. Devices that Supply Devices that Consume Power Group Remaining : Link Power Supply Daisy-chain wiring T-Tap wiring Contact Closure Interface Power Group 2 Remaining : + GRAFIK Eye Control Unit +3 Daisy-chain wiring Power Group 3 Remaining : Sensor Module (M) sensor wiring 0 Radio Powr Savr Occupancy/Vacancy Sensor Energi Savr Node with EcoSystem -0.5 Daylight Sensor -2 LOS- Series Occupancy Sensor

N myroom TM L - + L(+) N(-) 20-277 V Input / Entrada / Entrée PS-DH-75 2 2 3 3 4 4 20 V IR Photo Occ Com 20 V IR Photo Occ Com L Hi Temp Test Power N 0,5 N m 8 mm Prog.

3 N myroom TM L - + L(+) N(-) V Input / Entrada / Entrée PS-DH V IR Photo Occ Com 20 V IR Photo Occ Com L Hi Temp Test Power N 0,5 N m 8 mm Prog. Zone Zone 2 Zone 3 Zone 4 QP3PL Input: A V~ 50/60 Hz Output: Entree: A V~ 50/60 Hz Sortie: Entrada: A V~ 50/60 Hz Salida: Output / Salida / Sortie V Type Enclosure CCI Ethernet DALI DALI 2 Z096 N77 Switching Power Module ME-4S-D V~ 50/60 Hz 4 ma (0) ,5 N m Mains Only H H N N N N N N Outputs V~ AX each V D E Up System Power Draw Units () Link Devices that Supply o Device PDU Value Smart Panel 2 Smart Enclosure 2 +8 per Output myroom Link Power Supply +30 Link Power Supply +75 Plug-in Power Supply +8 J-box Power Supply +8 Energi Savr Node with EcoSystem Energi Savr Node with DALIR Energi Savr Node for 0 0 V- Energi Savr Node with Softswitch Energi Savr NodeTM NE-2DAL-D 230 V~ 50/60 Hz 00 ma (0) Energi Savr Node for DALIR International Energi Savr Node with EcoSystem International +3 Energi Savr Node for 0 0 V- International Energi Savr Node for Switching International +4 Energi Savr Node Phase Adaptive International +4 GRAFIK Eye (all models except GRAFIK Eye DALIR with KNXR) +3 GRAFIK Eye DALIR with KNXR +2 GRAFIK Eye Timeclock GR-TC5-WH-CPN QP2 Quantum Lighting Hub Link A : 0 Links B, C, D : +33 each QP3 Quantum Lighting Hub Links A, B : +33 each Motor Group Controller International 0 (neither supplies nor consumes ) CCO N.O. CCO N.C. myroom Switching Module myroom Phase Adaptive Module +4 2 For -NPM (No Power Modules), installation of WIN-PS-5CC-R is required. Refer to P/N on for installation instructions. DALI is a registered trademark of ZVEI - Zentralverband Elektrotechnikund Elektronikindustrie e.v. KNX is a registered trademark of the KNX Association, Brussels, Belgium.

4 E-CI-WCI INPUTS ENTRADA ENTRÉES Wallbox in-lbs (0,5 N m) Rev. A Programming Interface Energi E-CI-AP-D 40 ma /8 in (8,5 mm) myroomtm GCU-HOSP V- IEC PELV / SELV / NECR Class 2 lutron.com L V+ D (0) FD/Col PWR ERR L L L L TX / RX ON 2 RJ45 Con/Act System Power Draw Units () Link Devices that Consume o Device PDU Value (seetouch, Architrave and Signature Series) GRAFIK T Slider Keyswitch International Contact Closure Interface Input Closure Interface Network Interface -2 DMX Interface -2 Sensor Module (M), not including attached wired sensors (see Sensors and Control Devices that Consume on the following page for more information) Savr Node Programming Interface -2 Infrared (IR) Eye Sivoia Shade/Drapery (wired and wireless) Refer to Lutron Spec Submittal (P/N ) Privacy Pico Corridor Pico Palladiom Thermostat Palladiom s (per column) Link Control Unit / Processor (myroom or HomeWorks ) -8

5 System Power Draw Units () Link Sensors and Control Devices that Consume o A M consumes 3. The sensors and devices listed below may consume additional when to a M. Please refer to the table below for consumed by each device when to a M. PDU Values When Attached To: Sensors and Control Devices M Control Unit (GRAFIK Eye, Energi Savr Node, etc) EcoSystem 0 Pico Wired Controller LOS- Series Occupancy Sensor -2 0 High Bay Occupancy Sensor -2 0 Lutron Daylight Sensor Lutron Infrared (IR) Receiver Radio Powr Savr Occupancy/Vacancy Sensor 0 0 Radio Powr Savr Wireless Daylight Sensor 0 0 Pico Wireless Control 0 0 Radio Window Sensor (window and mullion mount) 0 0 Note: All wireless battery operated devices consume 0. )Lutron, Lutron, seetouch, GRAFIK Eye, EcoSystem, Softswitch, Quantum, Sivoia, Pico, Palladiom, and HomeWorks are registered trademarks of Lutron Electronics Co., Inc. registered in the U.S. and other countries. Energi Savr Node, Radio Powr Savr, GRAFIK T, myroom, Architrave, and Signature Series are trademarks of Lutron Electronics Co., Inc.

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