Application Planning
2.7 Maximum configuration
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
41
2.7
Maximum configuration
Mechanical maximum configuration
The maximum configuration of an ET 200pro is reached when one of the rules outlined
below applies:
Table 2- 9
Mechanical maximum configuration
Properties
Rule
Number of modules
max. 16 electronic modules
Width of ET 200pro
max. 1 m mounting width (without rack)
Electrical maximum configuration
●
1L+ electronics/encoder supply:
–
supplies power to the internal electronic circuit of the modules and to external
encoders
–
electrically isolated to the backplane bus of ET 200pro, to 2L+ and to
PROFIBUS DP/PROFINET IO
●
2L+ load voltage supply:
–
supplies power to the external actuators
–
electrically isolated to the backplane bus, to 1L+ and to PROFIBUS DP/
PROFINET IO
Table 2- 10 Electrical maximum configuration
Properties
Rule
1L+ electronics/encoder supply
max. 5 A per ET 200pro station
2L+ load voltage supply
max. 10 A per potential group
2.8
TIA Selection Tool
TIA Selection Tool
The TIA Selection Tool supports you in configuring your ET 200pro stations. You can
download the tool from the Internet for free: TIA Selection Tool
https://eb.automation.siemens.com/mall/en/DE/Catalog/Products/10007261?tree=CatalogTr
The tool is located in the "Configurators" tab. Select the TIA Selection Tool in the drop-down
list.