Dependencies Of Profibus Dp Communication - Siemens SINUMERIK 840DiE sl Manual
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8 PROFIBUS DP Communication
8.10 DP slave: SIMODRIVE drives
8.10.4
Dependencies of PROFIBUS DP communication
NC
I/O address, message frame type
MD13050: DRIVE_LOGIK_ADDRESS[ n ]
1st machine axis: 4100
2nd machine axis: 4140
MD 13060: DRIVE_TELEGRAM_TYP[ n ]
1st machine axis: 102
2nd machine axis: 102
Fig. 8-23
Dependencies: NC, PLC/DP master and DP slave (SIMODRIVE 611 universal)
8-236
S
Because DP slaves 611U can be assigned both to the NC and to the PLC,
check system functions SFC 14 and SFC 15 when writing data to see
whether the drive belongs to the writing component. If this is not the case,
the data access is denied.
The overview example shows the interrelations or interdependencies when con-
figuring the PROFIBUS DP communication between the components:
S
NC
S
DP master
S
DP Slave 611U
1
NC
1
The NC reads/writes the axis data in the relevant I/O area of the PLC/DP master
on the basis of the I/O address entered in
S
MD13050: DRIVE_LOGIC_ADDRESS[ n ]
S
MD13060: DRIVE_TELEGRAM_TYP[ n ]
DP master
PROFIBUS address, slot and I/O address
(message frame type)
PROFIBUS addr.: 10
Axis 1: Slot 5/6, I/O addr. 4100
Axis 2: Slot 9/10, I/O addr. 4140
(message frame type: 102)
2
PROFIBUS DP
Cyclic message frame: 102
PIV/PDA
PIV/PDA
Header
Axis 1/
Axis 2/
Drive A
Drive B
3
DP Slave 611U
PROFIBUS address, message frame type
PROFIBUS addr.: 10
Message frame type: 102
Axis 1/Drive A
Axis 2/Drive B
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
01/2007
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