Siemens SIMATIC HMI Mobile Panel 277 RO - Page 55

Mounting and connecting
4.5 Connecting the Mobile Panel 277 RO
Mobile Panel 277 RO
Operating Instructions, 10/2015, A5E36824256-AA
55
USB socket
The USB socket is built as a sealing plug. You can deploy the USB socket in either of the
two cable inlets.
①
USB socket
②
Cap
③
Cable inlet
NOTICE
Degree of protection not fulfilled
Degree of protection IP65 is only ensured if the cap on the USB socket is plugged and
sealed tight.
Connection sequence
Connect the connecting cable's connector in the following sequence:
1. Place the USB socket in the other cable inlet if necessary.
2. Plug in the connecting cable.
3. Connect the connector for the power supply.
4. Connect the connector for the data communication.