Fail-safe operation   
9.3 Safety-related dialogs 
  Mobile Panels 2nd Generation 
212  Operating Instructions, 09/2018, A5E33876626-AC 
Switching to another connection box 
KTP400F Mobile 
The following applies to the KTP400F Mobile: To change to a different connection box, 
proceed as described in the previous section "Procedure" and then connect the HMI device 
with a different connection box. 
KTP700 Mobile, KTP700F Mobile, KTP900 Mobile, KTP900F Mobile 
For all Mobile Panels 2nd Generation with the exception of the KTP400F Mobile: If you have 
unplugged the connecting cable of the Mobile Panel from the connection box, the project will 
remain active on the Mobile Panel for the duration of the bypass period.  
 
Note 
Recovery time 1 second 
After the connecting cable is unplugged from the connection box, the HMI device changes to 
standby mode in
 a defined manner. The time needed for this process is approximately 1 
second. Do not reconnect the HMI device to the connection box immediately after 
disconnecting it. Wait at least 1 second.
 
Bypass period 5 minutes 
You can reconnect the HMI device to a c
onnection box within 5 minutes and continue 
 
The HMI device switches off when the bypass period has elapsed.
 
 
Safety-related dialogs 
9.3.1
 
"End PROFIsafe communication" dialog 
The "Terminate PROFIsafe connection" dialog opens in the following situations: 
●  You have pressed an operator control to close the PROFIsafe connection. 
●  You have pressed an operator control to close the currently active project. 
 
●  To end PROFIsafe communication, press "Yes". 
Wait until the emergency stop button is no longer lit up in red. Only then has fail-safe 
communication ended. 
●  If you do not want to stop PROFIsafe communication, press "No". 
The dialog closes. Fail-safe communication remains active.