8.6.6.  Use “Live data tab” as Device monitor 
The information about  
•  Operating hours 
•  Battery state of charge 
•  CPU load 
•  Ram load 
can be obtained if the system export values are used in the tab “Live data” as shown below. 
 
 
 
 
 
 
 
 
 
Figure 8.53: System– Device monitor values 
 
The battery is mainly used when the device is off, it must be replaced when the charge drops to 
less than 20%.  
A discharged battery may, in certain circumstances, result in the loss of calculated and saved 
measurement data. The device will no longer start correctly. 
 
CAUTION — DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED.  
The replacement of battery must be carried out by Honeywell service personnel additional a 
permit from the plant operator is needed. 
ATTENTION - RISQUE D'EXPLOSION SI LA BATTERIE EST MAL REMPLACÉE. 
Le remplacement de la batterie doit être effectué par le personnel de service de 
Honeywell et doit être approuvé par l'opérateur du système.