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Operation and application – Siemens SIMATIC TIWAY 1 User Manual

Page 12

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OPERATION AND APPLICATION

UNILINK HOST ADAPTER

2–2

USER MANUAL

Performance
and
Applications
Flexibility

Basic HIU
Commands

Mode Independent
Commands

Configure Adapter
Commands

Extended HIU
Commands

Network
Manager
Commands

10

20

30

40

NUMBER OF COMMANDS

Figure 2–2

Performance vs Commands

Communications between the host computer and the UNILINK Host Adapter
are a series of commands and responses as illustrated in Figure 2–3. For every
command sent, there will be a response. The response will be one of the
following.

D An acknowledgment that the command was received

D A command response

D The ERROR RESPONSE