Table 8- 2 System And Standard Functions Of Profibus Dp That Can Be Emulated In Profinet Io; Table 8- 3 Obs In Profinet Io And Profibus Dp - Siemens SIMATIC S7-400H System Manual

PROFINET
8.3 Blocks in PROFINET IO
Blocks
SFC 49 "LGC_GADR"
Determining the slot that
belongs to a logical address
SFC 71 "LOG_GEO"
Determining the slot that
belongs to a logical address
The following table provides an overview of the system and standard functions for SIMATIC,
whose functionality must be implemented by other functions when converting from
PROFIBUS DP to PROFINET IO.
Table 8- 2
Blocks
SFC 54 "RD_DPARM"
Reading predefined parameters
SFC 55 "WR_PARM"
Writing dynamic parameters
SFC 56 "WR_DPARM"
Writing predefined parameters
SFC 57 "PARM_MOD"
Assigning module parameters
The following SIMATIC system function is not supported for PROFINET IO:
● SFC 103 "DP_TOPOL" Determine the bus typology in a DP master
Comparison of the Organization Blocks of PROFINET IO and PROFIBUS DP
The following table lists the changes to OBs 83 und OB 86:
Table 8- 3
Blocks
OB 70
I/O redundancy error, for fault-
tolerant systems only
OB 83
Removing and inserting
modules at runtime
OB 86 Rack failure
Detailed information
For more information about the blocks, refer to the manual
System and Standard Functions
100
PROFINET IO
No
Replacement: SFC 71
Yes
System and standard functions of PROFIBUS DP that can be emulated in PROFINET IO
PROFINET IO
No
Replacement: SFB 81
"RD_DPAR"
No
Emulation by means of SFB 53
No
Emulation by means of SFB 81
and SFB 53
No
Emulation by means of SFB 81
and SFB 53
OBs in PROFINET IO and PROFIBUS DP
PROFINET IO
New
New error information
New error information
.
PROFIBUS DP
Yes
Yes
PROFIBUS DP
Yes
Yes
Yes
Yes
PROFIBUS DP
Unchanged
Unchanged
Unchanged
System Software for S7-300/400
System Manual, 03/2012, A5E00267695-11
S7-400H