Siemens SIMATIC Distributed I/O System DP/ASi Link Manuel de service télécharger pdf (Page 119)

C-3

Distributed I/O System DP/ASi Link

EWA 4NEB 710 6055-02b

Table C-1 Structure of the DP standard part in parameterization message, continued

Byte(s) MeaningValue

6 Group ID

You can place several DP slaves in one group with the

group ID.

Refer to Table C-3 for the watchdog time base

The station status defines the operating behavior of the DP/ASi link as a DP

slave. Its behavior towards other DP masters is determined; other aspects to

be determined are whether the SYNC and FREEZE modes and the watchdog

are being used.

Table C-2 Structure of station status in parameterization message

Bit(s) Value Meaning

0 to 2 000 Reserved

3 1 The watchdog for the PROFIBUS-DP is enabled in the

DP/ASi link.

4 1 The DP/ASi link can be operated in FREEZE mode.

5 1 The DP/ASi link can be operated in SYNC mode.

6, 7

00 The slave response time (T

SDR

) is modified. All other

parameters remain as they are.

01 The DP/ASi link is enabled for other PROFIBUS ma-

sters.

10 The DP/ASi link is disabled for other PROFIBUS ma-

sters. All parameters are applied; (exception:

SDR

+0).

11 The DP/ASi link is enabled for other PROFIBUS ma-

sters.

Station status

Parameterization Message

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 151 152

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Siemens SIMATIC Distributed I/O System DP/ASi Link Manuel de service Page 119