Siemens Panel PC 677 Operating Instructions Manual page 15

Connection components of the control unit
USB connection control unit
Notice
Guarantee for the IP 65 Degree of Protection
When the sealed cover over the USB port is removed in order to connect a USB component,
the IP 65 degree of protection for the device is no longer guaranteed.
Note
Use of USB Devices
• Wait at least 10 seconds between the unplugging and replugging of USB devices. This
• When using standard USB peripherals, bear in mind that their EMC immunity level is
• Peripherals are developed and marketed by individual vendors. The respective
SIMATIC Panel PC 677
Operating Instructions (Compact), Edition 07/2006, A5E00877730-01
Pos
(1)
also applies in particular to touch control in control units with touch screen panels.
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.
manufacturers offer support for the peripherals. Moreover, the terms of liability of the
individual vendors or suppliers apply here.
Designation Description
USB 1 connection USB 2.0 high current (500 mA)
under sealed cover (not available with every
product variant)
Operating instructions (compact)
1.5 Connecting
1-13