PROFINET IO
User manual 57106_hdb_en_13 62 / 94
11.3 System access
11.3.1 Overview
In the following, we describe the access under PROFINET IO to the following
parts of the Cube20S system:
I/O range
Parameter data
Diagnostic data
Information about the ranges can be found in the description of the Cube20S
module.
NOTE
The power and terminal modules have no type identification. They are not rec-
ognized by the bus node and not considered in the list or assignment of slots.
GSDML file To configure a device-IO connection, you receive a GSDML file for each
PROFINET bus node of the CUBE20S system. The GSDML file includes all
Cube20S modules in form of XML data.
This file can be found in the download area of www.murrelektronik.de.
Installing the GSDML file
Install the GSDML file in your configuration tool.
More details on the installation of the GSDML file are given in the manual
of the configuration tool.
Correctly select the PROFINET IO devices made available within the GSDML
file.
In case of restrictions regarding the compatibility, the valid hardware version
is always included in the device name of the hardware catalog (e.g.: 57106
PROFINET Device >= HW 04).
NOTE
Structure and contents of the GSDML file are stipulated by the standard IEC
61158.
Function blocks To transfer or modify data records at runtime, function blocks for read/write
data record are required.
The following function blocks are available for CPUs that can be programmed
by means of Siemens STEP 7:
Addressing the function blocks
Address the module at the slot.
Address the associated data range using the index.
SFB 52 RDREC Read data record
SFB 53 WRREC Write data record
SFB 54 ALARM Read diagnostic data
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