06.03
10.5 Axes and spindles
10-313
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
10.5.3
Drive configuration
TIn order to allow the NC to communicate with the drives connected to PROFI-
BUS DP, it must know the I/O addresses of setpoint and actual value of the
axes.
The I/O addresses of the axes set in the SIMATIC S7 project are entered in
MD13050: DRIVE_LOGIC_ADDRESS[n] (logical I/O address)
For parameterizing the drives with regard to PROFIBUS DP, see
Subsection 7.3.7, page 7-231.
The default values of the machine data are dimensioned such that they leave
sufficient distance per axis with one measuring circuit each, beginning from I/O
address 272 (the I/O addresses from 256 plus 16 bytes for the PLC are re-
served for the PROFIBUS drives):
Default values
MD13050: DRIVE_LOGIC_ADDRESS[n] = 272 + n*20
Notice
Any changes in the I/O addresses must be carried out consistently:
DP slave 611U (SIMATIC S7 project, HW Config): I/O address for set-
point and actual value
NC: MD13050: DRIVE_LOGIC_ADDRESS[n]
No automatic adjustment takes place!
The message frame type describes the data volume and the data structure of
the message frames exchanged between NC and drive on PROFIBUS DP dur-
ing the cyclic communication.
For parameterizing the message frame type, see Section 7.3, page 7-211.
Note
You will find a detailed description of the message frame structure of each mes-
sage frame type in the following documents, in each case in Section: Commu-
nication on PROFIBUS DP:
SIMODRIVE 611 universal and universal E:
References:
/FBU/ SIMODRIVE 611 universal, Description of Functions
SIMODRIVE POSMO A
References:
/POS1/ User Manual SIMODRIVE POSMO A
SIMODRIVE POSMO SI/CD/CA
References:
/POS3/ User Manual SIMODRIVE POSMO SI/CD/CA
ADI4
References:
/Subsection 7.3.6; page 7-220.
I/O addresses
Default values
Message
frame type
10 NC Start-Up with HMI Advanced
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