Configuring and installing   
4.2 Configuring an installation using SIMOTION C modules 
  SIMOTION C 
82  Operating Instructions, 02/2012 
4.2.5  Layout of modules on several racks 
Overview 
With the SIMOTION C, a 2-tier layout is possible.    
Interface modules 
Interface modules are required for the 2-tier layout which route the backplane bus from one 
rack to the other. The SIMOTION C is always located on rack 0.  
Table 4- 3  Interface modules 
Interface module  Usable for ...  Order number 
IM 365 SEND  Rack 0  6ES7 365-0BA01-0AA0 
IM 365 RECEIVE  Rack 1   
IM 365 interface modules 
The two IM 365 interface modules have a fixed connection via a 1-meter long connecting 
cable.    
The total power consumption of the inserted I/O modules of both racks must not exceed 1.2 
A; the power consumption from rack 1 is limited to 800 mA. 
Rules 
The following rules apply with respect to the layout of the modules on two racks: 
●  The interface module always occupies Slot 3 and is always left of the first signal module. 
●  No more than eight modules may be inserted per rack. These modules are always to the 
right of the interface modules. 
●  The number of inserted modules is limited by the permissible power consumption from 
the backplane bus. Total power consumption must not exceed 1.2 A (see Technical data 
table for each module in the manual 
S7-300 Automation System, M7-300 Module Data
).