AS7211 datasheet(16/37 Pages) OSRAM

Nome de Peças	AS7211

Descrição Electrónicos	Smart Daylighting Manager with Fully Integrated Daylight Sensor, Control and Network Interfaces

PDF	37 Pages

Scroll/Zoom	100%

Fabricante Electrônico	OSRAM [OSRAM GmbH]

Página de início	http://www.osram.com

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16 / 37 page

ams Datasheet

Page 15

[v1-00] 2016-Dec-23

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AS7211 − Detailed Description

Figure 17:

0-10V Dimming Pin Input

The auxiliary sensor input (AUX) can be configured for 0-10V

analog sensing using a 5:1 resistor divider or can be configured

for digital sensing. Both types are common for external

occupancy sensors. If the AUX pin is not used, an external

resistor pull-up connecting it to VDD is recommended. Refer to

AS7211 User Guide as well as the ams Smart Lighting Command

document for additional usage and setup information.

External sensors with native support by the AS7211 can be

added via the I²C master interface for temperature, humidity,

ambient light and other types of sensing.

Synchronization and Reset

Figure 18:

Synchronization and Reset Circuit

Synchronization and Reset Circuit: This figure shows the basic diagram when using reset and synchronization

function together.

0_10V_DIM

0-10V Analog Input

AS7211

CLE

10V

ADC

VDD

VDDHV

3.3V

12V

0_10V

0-10V Analog Input

AS7211

CLE

10V

ADC

VDD

VDDHV

3.3V

5:1

Rin=200k typ.

0_10V_DIM

MODE

RMODE

SYNC and Reset

CLE

SYNC/

RESN

Opto Coupler

AC Main

Push > 100ms

10k

optional

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