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AS7221

Smart Lighting Command Interface

Datasheet

• PUBLIC

DS000479

• v4-00 • 2019-Jun-28

│ 32

Smart Lighting Command Interface

The Smart Lighting Manager supports a high-level, driverless text control interface using its Smart

Lighting Command Set (SLCS) communicated through the UART interface. The SLCS provides a rich

configuration and control interface to speed the time-to-design and time-to-market for luminaire,

replacement lamp and driver manufacturers. The Smart Lighting Manager uses

a variation of an “AT

com

mand model” as popularized by early Hayes modems. The SLCS is integrated into the required

binary operating image that is included on the USB memory stick provided with an AS722x/1x Smart

Lighting Demo Kit. Updates or the latest version of the SLCS can be downloaded via

https://download.ams.com. Login is required and a login can be obtained through the email address

provided on the download site.

A configuration tool is available from ams to allow the luminaire, lamp or driver manufacturer to create

their own “factory default” conditions that will be integrated with the ams -supplied initial binary image

to create a ready-to-program default Flash image. The configuration tool is also available from

https://download.ams.com.

Write commands are constructed in the format “ATcmd=xxx” with the SLM returning the requested

data value followed by the “OK” text reply. Commands that are unsuccessfully interpreted or are

otherwise invali

d will return an “ERROR” text reply.

For example:

●

Set the desired daylight LUX level target:

ATLUXT=500

<OK>

●

Read current lux target set point:

ATLUXT

<500 OK>

●

Read current calibrated lux level as observed by the sensor:

ATLUXC

<497 OK>

The “Smart Lighting Command Interface”, shown below between the network interface and the core of

the system, provides access to the Smart Lighting Manager’s lighting control and configuration

functions.

AS7221 Datasheet(PDF) 33 Page - OSRAM GmbH

AS7221 Datasheet(HTML) 33 Page - OSRAM GmbH

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