Siemens SIMATIC TIWAY 1 Manual de usuario descargar pdf (Pagina 145)

HOST COMMAND SET REFERENCE

UNILINK HOST

ADAPTER 5–60

USER MANUAL

5.6.4 Switch

Channel — 33

The SWITCH CHANNEL command explicitly specifies the channel to be used

for communicating with each secondary when redundant media is used. One,

several, or all secondaries may be switched to the alternate media channel at

any time. This command can be used even when the auto redundant media

option is enabled; however, the Network Manager may change this user

specification without notice if a failure is detected. All secondary device

communications

will take place on Channel A at initialization.

Command:

33 cc [aa]

Response:

33 cc

Usage: OPERATION

Modes: NM

Parameters:

The channel to switch to.

00 = Channel A

01 = Channel B

The secondary addresses to be switched. Special cases are:

00 = all secondaries, including the broadcast message channel

will

be switched to the channel specified by ‘cc’.

FF = The channel specified by ‘cc’ will be used to send broadcast

messages.

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Siemens SIMATIC TIWAY 1 Manual de usuario Pagina 145