Siemens SIMATIC HMI Mobile Panel 277 RO - Changing the Touch Pen

Operator controls and displays
5.2 Changing the touch pen
Mobile Panel 277 RO
68 Operating Instructions, 10/2015, A5E36824256-AA
5.2
Changing the touch pen
Requirements
You need the following tool to replace the touch pen:
● Phillips screwdriver, size 2
Procedure
Proceed as follows to replace the touch pen:
1. Close the RemoteOperate Client software.
2. Switch off the HMI device.
3. Place the HMI device front-down on a clean, level surface.
On the back of the HMI device, you will find a screw
① in the top left and top right
corners to fasten the impact guards. These screws are identified by a tool symbol.
4. Open the screw
① on that side on which the touch pen is located that you would like to
replace.
5. Remove the impact guard
②. The pin ③ for retaining the touch pen is now freely
accessible.
6. Replace the touch pen.