Wireless Ceiling Mount
Occupancy Sensors

SWX-200-B SERIES
Battery Powered

Overview

The SENSORWORX® wireless ceiling mount occupancy sensor is a simple, yet reliable battery powered control solution. Preferred by contractors for their flexible mounting methods, SENSORWORX wireless sensors greatly reduce total installation time and wireless pairing fuss. Requiring just a few seconds per device, SENSORWORX wireless sensors can be linked to one or more wireless load controllers (such as the SWX-851 wireless wall switch, or a SWX-950 series wireless power pack). Additionally, these sensors can be configured to work in applications with other wireless or wired ceiling, corner, or hallway sensors to provide extended coverage in large or irregularly shaped spaces. An integrated daylight harvesting photocell is also an available option.

As with all SENSORWORX products, the latest passive infrared technology techniques are used to provide unmatched occupant detection performance and energy savings.

 

Basic Operations

Sensors detect movement in the infrared energy that radiates from occupants as they move within the device’s field-of-view. Once occupancy is detected, the sensor immediately signals a wirelessly linked load controller (e.g. power pack) to switch on or dim up the connected lighting. At regular intervals, the sensor will retransmit its latest occupancy status such that the load controller can keep lights on for occupants during brief periods of inactivity, while returning the space to an energy saving lights off (or dim) state once no longer occupied.

Applications

SMALL SPACES

For control of small spaces like a private office, a single sensor linked to a wireless wall switch controller (SWX-851) is recommended (see diagram on right). Linking additional sensors is also an option if necessary. Switching from a second location (e.g. 3-way) is achieved by linking a remote wireless wall switch to the wireless switch controller. Both occupancy (auto-on) and vacancy (manual-on) operation are achievable in order to meet energy code requirements. 

  • Small Offices
  • Copy Rooms
  • Private Restrooms

LARGE SPACES

Multiple wireless sensors can be easily linked to a wireless power pack load controller (SWX-950) to provide coverage for larger spaces (or larger loads) like an open office. Additional functionality such as switching/dimming from multiple locations (e.g. 3-way) or interfacing with wired control devices is achieved by linking to a wireless power pack with appropriate functionality.

  • Classrooms
  • Open Areas
  • Conference Rooms
  • Hallways
  • Break Rooms

OCCUPANCY W/ INTEGRATED PHOTOCELL OPTION

There are several types of photocell operational modes supported by this option. The mode is selected at the linked wireless power pack or wall switch controller that is wired to the lighting load(s).

DAYLIGHT HARVESTING

  • Recommend for spaces where it is important to not distract occupants (e.g., offices, classrooms).
  • Lights will gradually dim in order to maximize energy savings while maintaining desired overall lighting level.
  • Requires dimming power pack controller.
  • Option to dim to low trim or turn lighting off.

ON/OFF PHOTOCELL CONTROL

  • Recommended for public spaces (hallways, entryways, etc) where fully switching of lighting off and on will not cause distraction of occupants.
  • Lights are switched off if ambient light level surpasses threshold and back on if level drops.

INHIBIT ONLY PHOTOCELL CONTROL

  • Lighting is held off if sufficient ambient light level is present upon initial occupancy.
  • Lighting will turn on if light level drops below setpoint.
  • Once on, lighting will only turn off from vacancy or a manual switch, never from daylight.

Features / Ceiling Mount Sensors

  • Links in Seconds with Wireless Controllers

  • Passive Infrared (PIR) Detection

  • 360° Small Motion Coverage Pattern

  • Designed for 10 Year Battery Life

  • Compact Size and Matte Finish

  • Four Contractor Friendly Mounting Methods

  • Mounting Nipple Attachment with Integrated Hole Saw

  • Convenient Test Modes

  • Optional Daylight Harvesting & On/Off Photocell

Specifications

Physical

SIZE
4.00” Diameter x 1.25” Height
(10.16 cm x 3.17 cm)

WEIGHT
4.75 oz.

COLORS AVAILABLE
White

LED INDICATION
Motion Detection (when in Test Mode)
Wireless Linking (Pairing)

Environmental

OPERATING TEMPERATURE
32°F to 122°F
(0°C to 50°C)

RELATIVE HUMIDITY
0-95% Non-Condensing
Indoor Use Only

Electrical
& Wireless

BATTERY TYPE
Requires one CR123(A) Lithium Battery

BATTERY LIFE
Occupancy Model – Designed for 10 yr.
Occupancy and Daylight Harvesting
Model – Designed for 7 yr.
Non-Volatile Memory (saves all settings regardless of battery state)
Blink Warning @10% Life

RANGE
80’ line of sight w/o obstruction (walls)
40’ with obstruction (walls/floors)

FREQUENCY
915 MHz ISM Band

WIRELESS LINKING
Simple 3 sec. Push Button Process

SECURITY
All Wireless Data is Encrypted

Operation

OPERATING MODES
Configured at Linked Load Controller
Motion: Occupancy & Vacancy
Photocell: Daylight Harvesting & On/Off

COMPATIBLE LOAD CONTROLLERS
SWX-851 Wall SwitchSWX-950 Series Power Packs

WIRELESS TEST MODE
Button Toggles On/Off
Wirelessly Linked Loads

COVERAGE TEST MODE
White LED Illuminates Upon Detected Occupancy

TIME DELAY OPTIONS
Configured at Linked Load Controller(s)
1, 5, 10, 15, 20, 30 min

Code Compliance

These sensors can be used to meet ASHRAE 90.1, IECC, & Title 24 energy code requirements.

Coverage

  • Detection range improves when walking across beams as compared to into beams.
  • Lenses can be swapped in field if necessary, contact technical support for assistance.
  • Line of site between occupant and sensor is required for detection.
  • Sensor can not see through glass windows or doors.
  • Spaces with small temperature differential between occupants and ambient may encounter reduced sensitivity/range.

Small Motion 360°

  • Excellent detection of small motions from sitting or stationary occupants (e.g. hand motions).
  • 8 to 12 ft (2.44 to 4.57 m) mounting height recommended.
  • ~500 ft2 of coverage

 

 

 

Battery Information

  • The sensor runs on one CR123(A) Lithium Battery (included).
  • 10 year battery life design for occupancy only models. For units with enabled integrated photocells, expected battery life is 7 years.
  • Install battery prior to mounting sensor. Polarity is indicated on the battery compartment door.
  • If the sensor’s battery life reaches 10%, all wirelessly linked load controllers will blink lights on/off/on upon initial occupancy as a replacement warning.
  • Replacement batteries are available at most retailers or home centers where batteries are sold or from SENSORWORX.

Operation Notes

OCCUPANCY ONLY MODELS (SWX-201-B)
  • By default, every ~60 seconds the sensor transmits whether or not occupancy was detected during the previous period.
  • Referred to as the sensor’s “heartbeat”, this period can be reduced to ~30 seconds although this will decrease expected battery life.
  • If a sensor transmitted “unoccupied” at its last heartbeat, any new occupancy detection event will be transmitted immediately.
  • If a sensor transmitted “occupied” at its last heartbeat, new occupancy events will only be transmitted at the heartbeat interval, thus conserving battery life.
  • The wirelessly linked wall switch load controller and/or power pack maintains a master time delay that is reset every time a linked sensor reports occupancy. Lights will be switched off once all linked sensors have continuously reported unoccupied for the duration of the time delay.

    OCCUPANCY W/ INTEGRATED PHOTOCELL OPTION (SWX-211-B)
    • Sensors with the integrated photocell require auto-setpoint calibration to be initiated from the sensor in order to enable photocell operation.
    • Every ~15 seconds the photocell transmits the light level it is measuring in the space.
    • The wirelessly linked wall switch load controller and/or power pack controller compares the received light level to the setpoint and controls the connected lighting accordingly.
    • Wireless load controllers will only listen to a single wireless photocell sensor. If more than one is wirelessly linked, the unit that last ran the auto-setpoint calibration procedure will be used.
    • The photocell control algorithm compensates for the contribution of the controlled lighting to the overall light level of the space. This prevents lights from cycling back on shortly after they are switched off by the photocell operation.
    • Refer to the instruction sheets of the wirelessly linked controllers for information on their respective LED blink out behavior when controlled lights are transitioning on or off from photocell operation.
    • To accomodate multi-zone photocell applications, wireless power packs can be configured to track according to the received daylight level, but control lights a fixed percentage brighter.

    Installation Options

    Wireless Linking (Pairing)

    Linking a sensor with a wireless wall switch controller or power pack load controller is quickly done via the following procedure:

    Step 1. Enter pairing mode by holding down the wireless load controller’s button for 3 seconds until the LED starts alternating white then blue, then release.

    Step 2. At the sensor, hold down the programming button for 3 seconds until the LED starts alternating white then blue. Releasing will link the sensor with any device in pairing mode
    (see note 1 below). The lights will toggle once as confirmation.

    Step 3. Repeat step 2 to link another sensor or device.

    Step 4. When all devices have been linked, exit pairing mode on the wireless load controller by pressing the button 1 time. Pairing will also be automatically closed after 15
    minutes of no new devices being linked.

    Note 1: When in pairing mode, the alternating LED colors on the wireless load controller will periodically pause and blink out the total number of linked devices. There will be no blinks
    during the pause until the first device is linked.

    Ordering Info

    MODEL NUMBERDESCRIPTION
    SWX-201-BWireless Ceiling Mount Sensor, PIR, 360 Small Motion, Battery Powered
    SWX-211-BWireless Ceiling Mount Sensor w/ Daylight Harvesting Photocell, PIR, 360° Small Motion, Battery Powered
    SWX-299-JPAccessory Trim Ring for Mounting to Single Gang Mudring, Handy Box, or 4” Octagon Box

    Compatible Wireless Products

    Wireless Wall Switch

    This intuitive wall switch load controller requires no neutral connection or minimum load to operate.

    Wireless Power Packs

    These load controllers switch a full lighting or plug load, and are available with optional 0-10V dimming.

    Wireless Dimmer & Switch

    These stylish and intuitive wall stations are designed for a 10 year battery life.

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