Mounting and connecting the HMI device
3.3 Connecting the device
Comfort Panels
54 Operating Instructions, 07/2017, A5E36770603-AB
Note
Use approved cables only
If you do not use approved cables to connect a SIMATIC S7 controller, you may experience
malfunctions.
Use only approved cables to connect a SIMATIC
S7 controller.
Use only straight connectors
Use only straight cables whenever possible to connect a controller. Bent connectors can
cover adjacent interfaces.
For KP700 and TP900 Comfort, use only a straight co
nnector at interface X2 PROFIBUS.
Standard cables are available for the connection. Additional information is available on the
Internet at Industry Mall (https://mall.industry.siemens.com
).
Note
PROFINET IO communication
For instructions regarding the installation of PROFINET networks, refer to the "PROFINET
System Description" manual.
The following applies to devices with displays 7" or larger: The HMI device has an internal
switch. This enables you to set up a ring topology, for example, with the HMI device without
an external switch. Use the X1 interface to set up a ring topology for devices with a 15"
display or larger.
Communication with controllers (Page 226)
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