Connecting Usb Devices - Siemens SIMATIC HMI Operating Instructions Manual

Hmi device mobile panel 277f iwlan
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4.7.6

Connecting USB devices

The following devices can be connected to the USB port of the HMI device:
● External mouse
● External keyboard
● USB memory stick
Note when connecting
NOTICE
Devices with a separate power supply
Except for the configuring PC or PC, do not connect any device with a separate power
supply to the USB interface. You can connect the configuring PC or PC to the USB
interface for transferring, saving and restoring data.
NOTICE
Additional load for battery
Devices without a separate power supply cause additional load on the battery when they
are connected to the USB interface. This will reduce the battery's operation time.
Mobile Panel 277F IWLAN
Operating Instructions, 12/2007, A5E01003940-01
Installation and connection
4.7 Connecting the HMI device
81

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