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Installing and connecting the device
3.3 Connecting the device
3.3.6

Connecting a USB device

Below are examples of devices you can connect to the USB interfaces of the device:
● External mouse
● External keyboard
● USB memory stick
Note when connecting
Note
Use of USB devices
• The cable length of USB peripherals cannot exceed 3 m.
• Wait at least ten seconds between removal and reconnection of USB devices.
• When using standard USB peripherals, bear in mind that their EMC immunity level is
frequently designed for office applications only. These devices may be used for
commissioning and servicing. However, only industry-standard devices are allowed for
industrial operation.
• Peripherals are developed and marketed by individual vendors. The respective supplier
offers support for the I/O devices. Moreover, the terms of liability of the individual vendors
or suppliers apply here.
Note
Functional problem with USB port
If you connect an external device with a 230 V power supply to the USB port without using a
non-insulated installation, you may experience functional problems.
Use a non-insulated system design.
Excessive rated load on port
A USB device with too high a power load may possibly cause functional problems.
Observe the values for the maximum load of the USB interface. You will find the values in
the section "Technical specifications" (Page 84)".
Front USB of the Touch/Key version
Note
Ensuring degree of protection IP65
When you loosen the sealing cover above the USB port to connect a USB component, the
degree of protection IP65 is no longer guaranteed for the device.
46
Industrial Flat Panel IFP1500, IFP1900, IFP2200
Operating Instructions, 06/2014, A5E31298376-AB

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