Prosoft-technology MVI69-PDPMV1 Instrukcja Użytkownika Pobierz pdf (Strona 114)

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User Manual PROFIBUS DPV1 Master

Page 114 of 225 ProSoft Technology, Inc.

July 8, 2011

D_Type

This parameter indicates the presence of the optional Network/MAC address of

the destination.

bit 0: 1 = A Network/MAC address is present in

D_Address.

0 = The destination (in this case the module) is the

endpoint of the connection.

bits 1 through 7: (reserved for future use)

Default value is 00h.

D_Length

This value specifies the length of the D_Address parameter (see table below).

Default value is 02h.

S_Address

This field holds additional address information about the source. It’s structure

depends on the settings in S_Type.

S_Type Type Sub–parameter Description

00h

Unsigned8 API

Identifies the application process

instance of the source.

Unsigned8 SCL

Identifies the access level of the

source (0 = not used)

Unsigned8

API

Identifies the application process

instance of the source.

Unsigned8

SCL

Identifies the access level of the

source.

01h

Octet-string[6] Network Address

Identifies the network address of

the source according to ISO/ OSI-

Network addresses.

Octet-string

[S_Length - 8]

MAC Address

Identifies the MAC address of the

source

1 2 ... 109 110 111 112 113 114 115 116 117 118 119 ... 224 225

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