MP 277 - Service, Support Download

Transcript
Installing and connecting the device
4.3 Connecting the HMI device
Below are examples of devices you can connect to the USB port of the HMI device:
● Mouse
● Keyboard
● Printer
● Industrial USB Hub 4
● USB memory devices
● Barcode reader
Note
USB mouse and USB keyboard for commissioning only
Connect a USB mouse or USB keyboard only for commissioning and servicing purposes to
the USB port.
Functional problem with USB port
If you connect an external device with a 230 V power supply to the USB port without using
an non-insulated installation, you may experience functional problems.
Use a non-insulated system design.
Rated load of the interface
Malfunctions may occur on a USB device that presents an electrical overload on the port.
Adhere to the values for the maximum load on the USB port.
See also
Connecting the Power Supply (Page 48)
X20, X21 (USB) (Page 192)
MP 277
56
Operating Instructions, 07/2014, A5E02479740-02
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