Siemens Sm@rt DAS Manuale d'uso - Pagina 8

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Chapter 3

System Interfaces

Introduction

There are three different ways to activate the Sm@rt DAS

system:

 Switch & Lights

 HMI

 MODBUS communication

This section will deal with the different schemes and

implementations available and how they function.

Switch

Inputs

Power

Supply

(120VAC

or 24VDC)

Ethernet

MODBUS

TCP/IP

Output

LEDs

Figure 3.1: Sm@rt DAS Controller with one switch and one light per breaker

24VDC

I.0

I.1

I.2

I.3

O.0

O.1

O.2

O.3

One Switch and Light per Breaker

This is the default configuration. Each input activates

maintenance mode for one breaker. There is also a dedicated

output for each breaker that confirms when the breaker has

entered maintenance mode. Figure 3.1 highlights the

configuration. For example, Input 0 (I.0) and Output 0 (O.0)

will be the input and output controlling maintenance mode

on breaker one.

I.4

I.5

I.6

I.7

O.4

O.5

O.6

O.7

I.8

I.9

O.8

O.9