Installing system components 
  3.8 Selecting the connection box 
Mobile Panels 2nd Generation 
Operating Instructions, 09/2018, A5E33876626-AC 
75 
To unplug the cable, follow these steps: 
1.  Pull the outer bushing of the connector. Make sure that you do not tilt the connector when 
you unplug it. 
2.  If you do not intend to use the HMI device with a different connection box, place the HMI 
device in its wall-mounting bracket. 
 
  Wait for about 1 second after you have unplugged the connecting cable from the 
connection box before you plug in the connecting cable again. 
  The specified degrees of protection are met at the connection socket of the connection 
box when the connecting cable or the cover of the connection socket is inserted. 
 
Selecting the connection box 
The connection box is generally removed in the reverse order used for installing and 
connecting. 
●  No Mobile Panel is connected to the connection box. 
●  The cover of the connection socket for the connecting cable is located on the connection 
box. 
 
Procedure 
Connection box compact 
1.  Switch off power supply to the connection box. 
2.  Remove all cable ties on the connection box used for strain relief of the connecting 
cables on the associated fixing element. 
3.  Disconnect the following cables from the connection box: 
–  Equipotential bonding cable at the equipotential bonding screw 
–  All cables at the port X10 
–  The Ethernet cable at the port X1 
4.  Loosen the screws of the mounting clips and remove all mounting clips. 
5.  Remove the connection box from the mounting cutout.