Mobile Panels 2nd Generation 
Operating Instructions, 09/2018, A5E33876626-AC 
209 
 
The content of this section applies only to fail-safe Mobile Panels in a hardwired or 
PROFIsafe-based F-system. 
 
Connecting the connecting cable 
 
The status of keyswitch and illuminated pushbuttons is evaluated immediately after 
connection. 
When you connect an HMI device to the connection box and evaluate operator controls 
over PROFINET IO as direct buttons: 
The status of the keyswitch, the illuminated pushbuttons and the corresponding LEDs is 
evaluated immediately. This can cause unintentional responses. 
Check the position of the keyswitch and do not activate the illuminated pushbutton before 
or during connection. 
●  The Mobile Panel is ready for operation. 
●  There is a project on the Mobile Panel. 
Procedure 
Connecting to a connection box without an assigned operating mode 
 
Note 
If the connection box has not yet been assigned an operating mode, the emergency stop / 
stop button does not light
 up when the connecting cable is plugged in. 
1.  Plug the connecting cable into a connection box. 
The "Safety operation" dialog is displayed.  
2.  Select the required operating mode as described in  
"Assigning a safety-related operating mode (Page 142)". 
3.  Start the project. 
The emergency stop / stop button does or does not light up depending on the selected 
operating mode, see the following sections.