Technical data

Table Of Contents
Contents
System Software for S7-300/400 System and Standard Functions - Volume 1/2
xii
A5E00709327-01
16
SFCs for Distributed I/Os or PROFINET IO 16-3
16.1
Triggering a Hardware Interrupt on the DP Master with SFC 7 "DP_PRAL" . 16-3
16.2
Synchronizing Groups of DP Slaves with SFC 11 "DPSYC_FR"................... 16-3
16.3
Deactivating and Activating DP Slaves/PROFINET IO Devices
with SFC 12 "D_ACT_DP".............................................................................. 16-3
16.4
Reading Diagnostic Data of a DP Slave with SFC 13 "DPNRM_DG"
(Slave Diagnostics)......................................................................................... 16-3
16.5
Reading Consistent Data of a DP Standard Slave//PROFINET IO Device
with SFC 14 "DPRD_DAT" ............................................................................. 16-3
16.6
Writing Consistent Data to a DP Standard Slave/PROFINET IO Device
with SFC 15 "DPWR_DAT" ............................................................................ 16-3
17
PROFInet 17-3
17.1
Background Information on SFCs 112, 113 and 114 ..................................... 17-3
17.2
Updating the Inputs of the User Program Interface for the
PROFInet Component with SFC 112 "PN_IN" ............................................... 17-3
17.3
Updating the Outputs of the PROFInet Interface for the
PROFInet Component with SFC 113 "PN_OUT" ........................................... 17-3
17.4
Updating DP Interconnections with SFC 114 "PN_DP" ................................. 17-3
18
FBs for Cyclical Access to User Data according to the PNO 18-3
18.1
Introduction to the FBs for Cyclical Access to User Data according
to the PNO ...................................................................................................... 18-3
18.2
Read All Inputs of a DP Standard Slave/PROFINET IO Device with
FB 20 "GETIO" ............................................................................................... 18-3
18.3
Write All Outputs of a DP Standard Slave/PROFINET IO Device with
FB 21 "SETIO"................................................................................................ 18-3
18.4
Read a Part of the Inputs of a DP Standard Slave/PROFINET IO Device
with FB 22 "GETIO_PART" ............................................................................ 18-3
18.5
Write a Part of the Outputs of a DP Standard Slave/PROFINET IO Device
with FB 23 "SETIO_PART"............................................................................. 18-3