Siemens SIMATIC PC Adapter TS Adapter Uživatelský manuál stáhnout pdf (Strana 11)

Manual – MOVITOOLS® - Connection to SIMATIC S7 via MPI

Structure of the hardware data block

Configuration of SIMATIC S7

DPV1 communication also requires two instance data blocks for the S7 system function

blocks SFB52 (RDREC) and SFB53 (WRREC). You can either copy these blocks from

the SEW-EURODRIVE sample project for DPV1 or create new ones in your project.

3.3 Structure of the hardware data block

Use the hardware data block (HDB) to indicate the number of inverters from

SEW-EURODRIVE you are planning to configure via MOVITOOLS

. Following this

step, you define the logical I/O address (periphery address) for each drive as well as its

device type (access via DPV1 or the parameter channel). Use the DPV1 mechanism for

parameter setting to have access to all MOVITOOLS

applications.

Parameter name Type Description

Header STRING [98] Unique version string that must match MOVITOOLS

and is

not to be changed!

Number_of_drives INT Number of SEW-EURODRIVE drives defined below. You can

define up to 90 drives.

SEW_drive1 STRUCT You will have to define the following structure elements for each

drive from SEW-EURODRIVE.

I/O_address INT Periphery address (decimal) from hardware configuration

•For

DPV1_device = FALSE

enter the first periphery address

of the parameter channel from the hardware configuration.

Note the valid configuration of the parameter channel in the

STEP 7 hardware configuration as described in section

"Configuration of drives via MPI."

•For

DPV1_device = TRUE

enter the first periphery address

of the process data from the hardware configuration.

The input and output range of the parameter channel have

to be at the same address in the hardware configuration!

DPV1_device BOOL FALSE:

The drive does not support DPV1. Configuration takes place in

the parameter channel set in the hardware configuration. You will

not have access to all MOVITOOLS

applications in this operat-

ing mode.

TRUE (recommended):

The drive supports DPV1. Parameter setting takes place via S7

system function blocks SFB52 and SFB53.

SEW-EURODRIVE recommends this operating mode because

all MOVITOOLS

applications are accessible via DPV1 only.

END_STRUCT

SEW_drive2 ...

Make sure to enter the same information in the declaration and data view when entering

information in the hardware data block. For a simpler approach, you enter the informa-

tion into the data block in declaration view of STEP7 to then change to data view and

use the menu item [Edit] / [Initialize data block] to start data view.

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