PROFIBUS DP Communication
8.10 DP slave SIMODRIVE drives
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
301
I/O addresses
Communication between the NC and the individual axes of the DP slaves 611U in the
SINUMERIK 840Di sl can only take place if the I/O addresses for the setpoint and actual
value of an axis are the same.
This prerequisite is taken into account by SlaveOM automatically when inserting a DP slave
611U into a configuration.
NOTICE
The I/O addresses for set and actual values of an axis must be the same.
I/O address actual value = = I/O address setpoint
If a DP slave 611U is inserted into an S7 project due to a copying process (e.g. from
another S7 project), the I/O addresses are assigned exclusively under the control of "HW
Config".
This may have the consequence that an axis is assigned different I/O addresses for set and
actual values. In this case, the I/O addresses must be corrected manually.
NOTICE
The I/O address set by the SlaveOM for an axis must match the I/O address set in the NC.
There is no automatic adjustment!
The following data must agree:
1.
SIMATIC configuration of 611U DP slave
I/O address
2.
SINUMERIK 840Di sl NC
MD13050 $MN_DRIVE_LOGIC_ADDRESS[n], (logical drive address)
Note
To prevent subsequent changes to the I/O addresses in the NC machine data MD13050
$MN_DRIVE-LOGIC_ADDRESS[n], we recommend using the default machine data values
within the configuration when assigning I/O addresses:
1. Axis: Default I/O address = 4100
mth axis: Default I/O address = 4100 + (m-1)*40
The default setting for the machine data is described in Subsection "Axis
Configuration" (Page 385).
Содержание SINUMERIK 840Di sl
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