Siemens SIMATIC TIWAY 1 Bedienungsanleitung PDF herunterladen (Seite 13)

OPERATION

AND

APPLICATION

UNILINK HOST

ADAPTER2–3

USER MANUAL

Host

Computer

UNILINK

Host Adapter

Commands

Responses

Secondary

Figure 2–3 Host Computer To UNILINK Host Adapter

Communications

Commands are checked for errors before they are executed. The ERROR

RESPONSE is a special response that returns a code indicating the type of

error. If an error is found, the command will not be executed and the ERROR

RESPONSE

will

be returned. The ERROR RESPONSE will also be returned if a

network request does not complete within the host command timeout. The

possible error codes that may be returned in the ERROR RESPONSE and

corrective

actions to take are listed in Chapter 6.

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Siemens SIMATIC TIWAY 1 Bedienungsanleitung Seite 13