Siemens Sm@rt DAS Manuel de l'utilisateur - Page 9

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Chapter 3

System Interfaces

One Switch for System, One Light per Breaker

The second architecture is a single switch that is toggled to

turn all breakers into maintenance mode. The output

indicators will turn on sequentially once maintenance mode

has been verified on each breaker.

Single

Switch

Input

Power

Supply

(120VAC

or 24VDC)

Ethernet

MODBUS

TCP/IP

Output

LEDs

Figure 3.2: Sm@rt DAS Controller with single switch and one light per breaker

24VDC

I.0

I.1

I.2

I.3

O.0

O.1

O.2

O.3

Figure 3.2 illustrates the single switch concept. A single

switch turning on will then connect all of the inputs high,

turning on maintenance mode for all breakers. Upon

confirming maintenance mode output, LEDs will turn on for

each breaker.

I.4

I.5

I.6

I.7

O.4

O.5

O.6

O.7

I.8

I.9

O.8

O.9