Much of the information in this documentation applies to several components. To ensure that 
the products to which such information applies are clearly identifiable, we have used the 
following designations:
Designation Validity
SIMATIC PCS 7 BOX RTX The related information only applies to 
SIMATIC PCS 7 BOX RTX.
SIMATIC PCS 7 BOX with S7‑mEC The related information only applies to 
SIMATIC PCS 7 AS mEC RTX.
SIMATIC PCS 7 BOX with AS RTX The related information only applies to 
SIMATIC PCS 7 AS RTX.
SIMATIC PCS 7 BOX with S7-400  The corresponding information relates to 
SIMATIC PCS 7 BOX in combination with SIMATIC AS 41x or 
AS 41xH.
Changes compared to the previous version
Below, you can find an overview of the most important changes in the documentation compared 
to the previous version:
As of PCS 7 V8.0 SP1
● Additional BOX PCs are available.
As of PCS 7 V8.0 UPD 1
● SIMATIC PCS 7 AS mEC RTX: Distributed I/O at PROFINET IO possible.
As of PCS 7 V7.1 SP2
● In the case of configurations with integrated CPU based on WinAC RTX 2010 (V4.6), an 
integrated data record gateway enables direct access to field devices which are connected 
by means of the integrated CP 5611 .
Additional information
● You can find additional information on the engineering system in the 
Process Control 
System PCS 7; Engineering System
 function manual.
● You can find additional information on the operator station in the 
Process Control System 
PCS 7; Operator Station
 function manual.
● You will find information about time synchronization in the 
Process Control System PCS 7; 
Time Synchronization
 function manual.
● You can find additional information on the maintenance station in the 
Process Control 
System PCS 7; Maintenance Station
 function manual.
● The SIMATIC PCS 7 BOX PC supports "Routing". You can information on this in the 
SIMATIC; The Process Device Manager
 function manual.
Preface
BOX (V8.1)
Function Manual, 03/2015, A5E32711362-AC 13