Siemens NCM S7 Manual De Usuario

149

SIMATIC NET NCM S7 for Industrial Ethernet
Release 6/2003

C79000–G8976–C129–07

The configuration data block (CONF_DB) contains all the connection data for an
Ethernet CP. The configuration data block is transferred to the CP with function
block FB55.

The graphic below shows the following:

S

Structure resulting from parameter fields and subfields

– The connections and specific system data are is described by an identically

structured parameter field.

– Individual parameters are characterized by subfields.

S

Offset range

The CONF_DB can start at any point within a data block as specified by an
offset range.

Configuration data
block

Connection 1

Connection n *)

Connection 2

System data for CP

DB identifier

Parameter field for system data (CP
networking) and connections

Subfield 1

Subfield n

Subfield 2

ID (for system data = 0)

Type

Number of subfields

Individual
parameters

Subfield

Offset range 0..n

CONF_DB

Subfield types are 
described below in 
Section 5.6

Parameter fields are
described below in
Sections 5.4 and 5.5