Configuring
4-16 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
The procedure is precisely described in the Manual “Configuring
hardware and configuring connections with STEP 7 V5.2” in Chapter 3,
“Configuring the distributed I/O (DP)” and Chapter 8, “Networking
Stations”.
This is the reason that in the following, only the special features of the
FM 458-1 DP will be discussed.
4.4.2.2 Configuring the communications in CFC
The following function blocks must be configured for a PROFIBUS DP
coupling:
A central coupling block @PRODP
A maximum of one transmitter- and receiver function block per slave
station
Maximum of one synchronizing function block SYNPRO can be
configured
Maximum of one DPDIAG diagnostics function block and one
DPSLDG slave diagnostics block per slave may be configured
The following communication utilities are permitted:
Process data
Parameter processing of variable-speed drives
Permitted data transfer mode:
Refresh
For receivers, optionally also multiple
Image (“I”), can be practically used for equidistance
The central coupling block @PRODP initializes and monitors the
PROFIBUS DP coupling via connector X3 of the FM 458-1 DP.
Function blocks
Communications
utility
Data transfer mode
Central coupling
block
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