Siemens SIMATIC HMI Mobile Panel 277 RO Operating Instructions Manual page 40

Mounting and connecting
4.2 Mounting the connection box and wall-mounting bracket
Note
Positioning
A position at eye level is recommended. This enables the Mobile Panel 277 RO to be
operated when it is hooked into the wall-mounting bracket.
Proceed as follows:
1. Select a position for the wall-mounting bracket that is easy and safe to reach.
2. Place the wall-mounting bracket from the front onto the mounting surface.
3. Mark the mounting holes with a marking tool.
4. Drill three through holes or three threaded holes M5.
5. Attach the wall-mounting bracket.
Procedure for mounting the connection box
Note
Length of the connecting cable
Allow for the maximum length of the connecting cable when selecting the position for the
connection box.
Proceed as follows:
1. Select a position for the connection box that is easy and safe to reach.
2. Place the connection box from the front onto the mounting surface.
3. Mark the mounting holes with a marking tool.
4. Drill four through holes or four threaded holes M4.
5. Attach the connection box.
40
NOTICE
Permissible torque
The connection box housing is made of plastic. Therefore, the mounting hole threads
cannot handle the same amount of stress as a comparable metallic housing. Do not
exceed 0.4 to 0.5 Nm of torque when tightening the screws.
If the screws are tightened more than 20 times, there is risk of damage to the threads.
Operating Instructions, 10/2015, A5E36824256-AA
Mobile Panel 277 RO