Extron OCS 100C Manual

Extron Bevægelsesdetektor OCS 100C

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Side 1/6

Occupancy Sensor OCS 100C • Setup Guide

The OCS 100C is a ceiling mounted occupancy sensor that incorporates ultrasonic (US) and passive infrared (PIR) into a dual

technology sensor. The US sensor emits ultrasonic sound waves into an area and measures the speed of their return to detect

the presence of people. Frequency changes are caused by the movement of people, which is detected by the US waves. The PIR

sensor detects the presence of people based on the difference between the heat generated by moving people versus the ambient

room temperature.

The OCS 100C has a 24 VDC power input, ground/common connection, normally open/closed relay, photocell, and occupancy

output connections.

Front Panel Features

Ultrasonic

Sensors

Green LED

(status indicator)

Green LED

(status indicator)

Retainer Ring

Infrared/Photocell

Lens

Figure 1. OCS 100C Front Panel Features

Control

Blue Photocell Dial

Red Infrar

Sensitivity Dial

Black

Timer Dial

Green Ultrasonic

Range Dial

DIP Switches (B)

DIP Switches (A)

ON ON

1234

Figure 2. OCS 100C Controls

The settings for DIP Switches B3 (timer adjust) and B4

(sensitivity adjust) can be set to:

• Automatic mode — The sensors automatically adjust for

changes in usage and seasons, eliminating the need for

manual adjustments and improving system performance.

• Manual mode — The user sets the parameters of the

sensors using the following dials.

NOTE:

• The black timer dial is inactive when the B3 timer adjust DIP Switch is in Automatic mode.

• The red infrared sensitivity dial and green ultrasonic range dial are inactive when the B4 sensitivity adjust DIP Switch is

set to Automatic mode.

• Ultrasonic sensors (4) — Detect movement in the room, based

on ultrasonic sound waves.

• Green LED status indicators (2) — Flash when the ultrasonic

sensors detect occupancy.

• Infrared/Photocell lens — Diffracts the incoming light and

directs the light to the infrared/photocell sensor. The infrared/

photocell sensor, controls and DIP switches are located behind

the lens.

• Red LED status indicator — Located behind the

infrared lens, this LED ashes when the infrared sensor

detects occupancy.

• Retainer Ring — Holds the optional IR mask in place. Remove

to access all controls and DIP switches.

• DIP Switches A —

A OPERATION OFF ON

1Not used Not usedNot used*

2Threshold Auto threshold

adjustment*

High

sensitivity

(low turn on

threshold)

3LED indicators LEDs LEDs enabled*

disabled

4Automatic adjust reset Toggle to reset ( )Default: OFF

*Default

• DIP Switches B —

B OPERATION OFF ON

1Strong airow

compensator

Disabled* Enabled

2Over doorway mount EnabledDisabled*

3Timer adjust Automatic Manual*

4Sensitivity adjust Automatic Manual*

*Default

Occupancy Sensor OCS 100C • Setup Guide (Continued)

• Black Timer Dial (see on the previous page) — The occupancy sensor has a built in timer feature. When the sensor ﬁgure2

detects motion, it instantly triggers ON (high).

Once occupancy is no longer detected, the timer begins. If no motion is detected and the timer expires, then the sensor

triggers OFF (low).

Use the black timer dial to set the amount of time before the sensor triggers OFF.

NOTE: B3 DIP Switch must be set to ON for Manual mode, in order to adjust the timer manually.

• Ranges from 8 minutes to 42 minutes.

• Full counter clock wise (CCW) = 8 minutes

• Full clock wise (CW) = 42 minutes

• To enter the test mode (8 second timer) follow the steps below:

1. Open the retainer ring.

2. Rotate the black timer dial to about midway (12 o’clock).

3. Return to minimum setting (full CCW).

4. The timer will remain in the 8 second test mode for 1 hour, then automatically reset to 8 minutes.

5. To manually force the timer out of the 8 second test mode, turn the timer adjustment approximately 1/16 inch

clockwise. The setting is slightly above minimum (just above the 8 minute setting.

• Red Infrared Sensitivity Dial — Adjust this dial to increase or decrease infrared sensitivity.

• Turn clockwise (CW) to increase sensitivity.

• Turn counter clockwise (CCW) to decrease sensitivity.

• The factory default setting is at 75%.

• Green Ultrasonic Range Dial — Adjust this dial to increase or decrease ultrasonic sensitivity.

• Turn clockwise (CW) to increase sensitivity.

• Turn counter clockwise (CCW) to decrease sensitivity.

• The factory default setting is at 50%.

NOTE: B4 DIP Switch must be set to ON for Manual mode, in order to adjust the Red Infrared Sensitivity Dial Green or the

Ultrasonic Range Dial manually.

• Blue Photocell Dial — The photocell prevents the sensor from turning on when the area is adequately lit with natural light

and motion is detected. The sensor must be mounted directly over an area that is representative of the average, natural room

lighting. Before setting the photocell control, wait until the natural light is brightest (optional). Adjust this dial to increase or

decrease photocell sensitivity.

• Turn counter clockwise to decrease photocell sensitivity, causing it to activate with less light.

• Turn clockwise to increase photocell sensitivity, requiring brighter light to activate the sensor.

• Factory default is 100% (full clockwise).

• Full clockwise — Photocell sensor is disabled.

• Range — 10 to 1000 LUX

Produkt Specifikationer

Mærke:	Extron
Kategori:	Bevægelsesdetektor
Model:	OCS 100C

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