Installation and connection
4.3 Connecting the HMI device
TP 270, OP 270, MP 270B (WinCC flexible)
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
4-7
Notice
Connecting a USB distributor (USB hub) to the HMI device's USB interface can cause a
restriction in the functionality of the connected USB devices and the HMI device.
Therefore, the simultaneous or alternating operation of USB devices connected via a USB
hub on the HMI device's USB interface is not approved.
This applies to USB hubs both with and without an internal power supply.
Notice
The connection and operation of USB memory media (e.g. USB stick) on the HMI device's
USB interface has not been approved.
Communication options
The table indicates the periphery units with which the HMI device can communicate.
Device Interconnection Interface
SIMATIC S5 AS511 (only via converter
cable)
PROFIBUS DP
IF1A
IF1B
SIMATIC S7 MPI
PROFIBUS DP
Industrial Ethernet
IF1B
IF1B
Ethernet
1)
SIMATIC 505 RS 232
RS 422/RS485
IF1A
IF1B
Further support RS 232
RS 422/RS485
IF1A
IF1B
Configuration computer RS 232 IF2
Printer
Local printer
Network printer
RS 232 / USB
Network
IF2 / USB
Ethernet
1)
External keyboard/mouse USB
1) The OP 270 and TP 270 require a CF card for an Ethernet connection.
See also
Connecting the power supply (Page 4-17)
Interfaces (Page 12-9)
Backup battery (Page 1-12)
Connecting the PLC (Page 4-13)
Technical data (Page 12-5)
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