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10.5.2 Device Identification and Configuration
There are several identification
and configuration items available
for setting various characteristics
of the PROFINET device. These
items are shown in Figure 18 and
are explained in further detail
below.
A PROFINET device’s name
(station name) must be unique
across the entire PROFINET network because it is used by controllers to uniquely
identify PROFINET devices. The Device Name text entry box is used to configure
this unique device identifier on every drive.
The Update Time field is a configuration item which changes the frequency with
which command and status data updates take place internally in the device. This
setting is not related to the frequency with which data communications take place on
the Ethernet network. This time setting is a 32-bit value adjustable in 1ms
increments. Typically, this value should not need to be changed from its default
value of 10ms. Please note that this setting is not related and should not be confused
with the I/O Cycle Update Time (in Step 7 or an equivalent hardware configuration
tool).
10.5.3 I/O Data Configuration Arrays
The interface card supports two
different types of PROFINET data
transfer. One type is included with
the implementation of the
PROFIdrive profile, and requires no
user configuration (refer to section
13.5 for more information). The
other type, however, is entirely user-
configurable, and is utilized when a
standard “IN: XX, OUT:YY” I/O
module is chosen during network
configuration.
The I/O data configuration arrays
consist of two separate elements (refer to Figure 19.) The command register
configuration defines the structure of the command data sent from the PROFINET
controller to the drive, and the status register configuration defines the structure of
the status data sent from the drive back to the controller. These arrays allow the
creation of custom-built I/O data. Up to 8 command registers can be sent to the
drive, and up to 32 status registers can be sent back to the controller. Each box in
an array is capable of containing a register number. Because all drive registers are
Figure 18: PROFINET Device Identification
and Configuration
Figure 19: I/O Data Configuration