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7

UK

6.2  Data bits AC2489

Data bit

D0

D1

D2

D3

Input

1

2

3

4

Socket

I-1

I-2

I-3

I-4

Pin

4

4

4

4

7  Operating and display elements

M12x1

M8x1

LEDs I-x

LED

PWR

LED

FAULT

8  Operation

LED I-x yellow:

Input switched

LED PWR green:

AS-i voltage supply OK

LED FAULT red lights:

AS-i communication error, slave does not participate 
in the "normal" exchange of data, e.g. slave address 
0

LED FAULT red flashes:

Periphery fault, e.g. sensor supply overloaded or 
shorted, is signalled to the AS-i master (version 2.1 
or higher).

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