Siemens SIMATIC Distributed I/O System DP/ASi Link Instrukcja Obsługi Pobierz pdf (Strona 20)

2-2

Distributed I/O System DP/ASi Link

EWA 4NEB 710 6055-02b

2.1 Structure of ASi

You can install the ASi as branched with a single 2-wire cable. You connect

the DP/ASi link, the different ASi slaves and the ASi power supply unit to

any point on the ASi cable.

Fig. 2-1 shows an example installation of an ASi.

DP/ASi link

ASi power

supply unit

ASi slave

ASi distribu-

tion unit

Ext. power

supply unit

ASi slave

ASi distribu-

tion unit

ASi slave ASi slave

ASi slave

ASi slave

To PROFIBUS-DP

a

b

ASi slave ASi slave

ASi slave

c

a

Connection of DP/ASi link by means

of ASi cable

b

Remote ASi slave with external power

supply unit

c

ASi with star termination

d

You can also connect the ASi power

supply unit directly to an ASi slave.

d

Figure 2-1 Example installation of an ASi

Structure

Example installa-

tion

ASi Basics

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