3
03/2006
3.1 MPI network rules for SINUMERIK 840D
3-23
© Siemens AG 2006 All Rights Reserved
SINUMERIK 840D/810D Start-Up Guide (IADC) – 03/2006 Edition
Each client component requires the following communication links for communi-
cation with the NCK and PLC servers:
Component Number
HMI Advanced or HMI Embedded
To NCK 1
To PLC 1
Shopmill/Shopturn on HMI Advanced or HMI Embedded
To NCK
1)
+1
To PLC
1)
+1
STEP 7 on HMI
To PLC
1)
+1
1) In addition to the HMI communication link
Note
A Protool configuration does not need an additional communication link for
ProtoolPro with the “SINUMERIK” option.
The following tables illustrate the communication equipment required for the
individual components: NCK, PLC and COM
Table 3-1 NCK equipment required
Resource unit Machine data
Max. number of HMI resource units
1)
10 $MN_MM_NUM_MMC_UNITS
1) HMI Embedded and HMI Advanced require 2 resource units per communication link.
Table 3-2 PLC equipment required
PLC 314
PLC 315-2AF00
PLC 315-2AF01
PLC 315-2AF03
PLC 314C-2DP
PLC 317-2DP
Communication links
max. possible number 4 4 4 4 12 32
Reserved for programming device 1 1 1 1 1 1
Available for HMI components 3 3 3 3 11 31
Table 3-3 COM equipment required
PLC
NCK
Links
1)
BTSS bus: max. possible number 3 3
MPI bus: max. possible number
1)
3
1) Note: The MPI links are not routed via the COM module. They go directly to the PLC.
Equipment
required
3 Settin
s, MPI/BTSS