Fail-safe operation of the Mobile Panel 277F IWLAN
Function Manual, 08/2008, 6AV6691-1FQ01-2AB0
105
Maintenance
8
8.1
Function tests
Check list
Execute the tests cited in the following check list, in the specified intervals. If the intervals are
not maintained function of the HMI device is not ensured.
Requirements
The HMI device must be switched on and integrated in the safety program of the F-CPU.
Test
Test cycle
Check
Press the emergency stop button.
At least once a year
Fully press both enabling buttons.
At each project start
8.2
Maintenance cycles
Check list
Execute the maintenance steps cited in the following check list, in the specified intervals. If
the intervals are not maintained function of the HMI device is not ensured.
Component
Maintenance cycle
Check
Transponder battery
Replace every four years
Bridging battery
Replace every five years
Further information
A detailed description of how to change a battery can be found in the operating instructions
of the HMI device in the relevant chapters "Setting transponder IDs and inserting the battery"
and "Changing a bridging battery".