Siemens SIMATIC TIWAY 1 Manual de usuario descargar pdf (Pagina 17)

OPERATION

AND

APPLICATION

UNILINK HOST

ADAPTER2–7

USER MANUAL

The following operational modes include the NM function. However, the

MHIU/EHA

mode does not provide access to the NM command set.



Master Host Interface Unit (MHIU)



Network Manager (NM)



Standalone Network Manager (SANM)



Master Host Interface Unit/Emulate Host Adapter (MHIU/EHA)

2.3.3

The Master Host Inter

face Unit Mode

The Master Host Interface Unit (MHIU) is a combination of the HIU and NM

functions

as shown in Figure 2–6. A host computer connected to an MHIU

can

communicate with secondary devices through the HIU function and control

network

performance

through the NM function. Remember

, only one adapter in

TIW

Y I network may have the NM function.

HIU NM

MHIU

Figure 2–6 Master Host Interface Unit Diagram

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 207 208

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Siemens SIMATIC TIWAY 1 Manual de usuario Pagina 17