Operating Instructions (compact)
1.8 Connecting
SIMATIC HMI IPC577C
18
Operating Instructions (Compact), 05/2009, A5E02368077-01
Connection components of the control unit
①
1 connection USB 2.0 high current / 500 mA under sealed cover
(not available with every product variant).
NOTICE
Ensuring degree of protection P65
When the sealed cover over the USB port is removed in order to connect a USB
component, the IP65 degree of protection for the device is no longer guaranteed.
Note
Use of USB devices
•
Wait at least ten seconds between removal and reconnection of USB devices. This also
applies to control units with touch screen panels, especially for touch operation.
•
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
manufacturers offer support for the peripherals. Moreover, the terms of liability of the
individual vendors or suppliers apply here.