Lenze Drive Server Bus server S7 getting started Bedienungsanleitung PDF herunterladen (Seite 56)

Busserv er S7

117Busserver S7 DE/EN 1.0

6.6.2 Program blocks used

The project folder Blocks contains the following program blocks:

Block Function

OB1 Organisation block (program cycle); used to call FC1

FC1 Siemens FC block DP_SEND

FC2 Siemens FC block DP_RECV

FC3 Function 3; used to call all other blocks

FB91 Function block FB DRIVE CPenables parameter access via OPC and from the PLC

FC90 Function FC Parameter for parameter data jobs from the PLC

FC93/FC94 Function for DP Proces s Data (3 words/2 words)

DB80 Data block DB OPC for data exchange between OPC and FB90

DB81 Data block DB S7PAR for data exchange between FC90 and FB90

DB30/31 Data blocks for data exchange between CPU and external communication processor (based on

UDT93)

DB90/100 Instance data blocks for FB91

SFC57/SFC58 System blocks for communication via PROFIBUS-DP

UDT90 -

UDT93

Universal data types for parameter data access to Lenze drive controllers

VAT4 Variables table for changing the example parameters

6.6.3 Symbolic variable names

The same symbolic variable names are used as in the previously described example project ”S7-400”.

(^ 111)

We recommend the use of symbolic variable names for clarity. However, they are not compulsory.

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Lenze Drive Server Bus server S7 getting started Bedienungsanleitung Seite 56