Connecting The Plc - Siemens SIMATIC HMI Operating Instructions Manual

Restoring factory settings
Note
To update the operating system and reset to factory settings, you must connect the HMI
device to the configuring PC via the RJ45 interface.
Note
For a point-to-point connection, use a cross cable. The HMI device and the PC can also be
part of a LAN network.
CAUTION
Degree of protection IP 65 not fulfilled
If you connect the configuring PC directly to the HMI device through the RJ45 interface, you
must open the connection bay. If the connection bay is open, degree of protection IP 65 is
not fulfilled.
NOTICE
Damage to the HMI device
Pay attention to cleanliness. Foreign bodies or liquids must not come into contact with the
printed circuit board or penetrate the inside of the HMI device.
Only connect a configuring PC directly to the HMI device for a short period.
The ports are described in the specifications.
See also
Interfaces of the HMI device (Page 76)
4.7.4

Connecting the PLC

Introduction
Only use approved components to connect a SIMATIC S7 PLC. You can find more
information about this on the Internet at:http://mall.automation.siemens.com.
Note
A SIMATIC S7F is vital for fail-safe functionality. The HMI device cannot be operated without
fail-safe communication.
Mobile Panel 277F IWLAN
Operating Instructions, 12/2007, A5E01003940-01
Installation and connection
4.7 Connecting the HMI device
79