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Manual – MOVITOOLS® - Connection to SIMATIC S7 via MPI

FC_MoviTools function

Configuration of SIMATIC S7

3.4 FC_MoviTools function

The

FC_MoviTools

proxy function is necessary for operation of MOVITOOLS

via MPI.

Depending on the type of CPU and firmware status, you may be able to copy this func-

tion from one of the STEP7 projects supplied by SEW-EURODRIVE. If your CPU sup-

ports DPV1, copy the function in the DPV1 project because all MOVITOOLS

applica-

tions are available with DPV1 only.

FC100 is the

FC_MoviTools

number in the sample project. You can use any other FC

number.

The function should be requested once in each program cycle (OB1). Its transfer param-

eter is the DB number of the CDB and (in the version for DPV1 only) the two program

invocation data blocks for the system functions SFB52 (RDREC) and SFB53 (WRREC).

Request struc-

ture

Request structure of the

FC_MoviTools

function for DP CPUs in OB1:

Request structure of the

FC_MoviTools

function for DPV1 CPUs in OB1:

CALL FC100

CommunicationDB := DB10

busy := M1.0

version_error := M1.1

CALL FC100

CommunicationDB := DB10

InstDB_SFB52 := DB52

InstDB_SFB53 := DB53

busy := M1.0

version_error := M1.1

Parameter name Type Interface Description

CommunicationDB BLOCK_DB IN CommunicationDB (CDB) for local function data

InstDB_SFB52 BLOCK_DB IN Instance data blocks for SFB52 (RDREC) in DPV1 communication. Copy this

data block from the SEW sample project or save it in your project as new

instance data block for SFB52.

InstDB_SFB53 BLOCK_DB IN Instance data blocks for SFB53 (WRREC) in DPV1 communication. Copy this

data block from the SEW sample project or save it in your project as new

instance data block for SFB52.

busy BOOL OUT TRUE:

Parameter exchange between MOVITOOLS

and SEW-EURODRIVE inverter

active. There may be no other parameter access taking place between the

S7 application program and an SEW-EURODRIVE inverter during this time

period!

FALSE:

No parameter exchange between MOVITOOLS

and SEW-EURODRIVE

inverter.

version_error BOOL OUT TRUE:

There is a version conflict between

FC_MoviTools

;, HDB and CDB, i. e. the com-

ponents do not have the same version number. Remedy: Load the blocks with

the same version number into the PLC.

FALSE:

There is no version conflict.

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