Operation
6.2 Typical applications
Fail-safe operation of the Mobile Panel 277F IWLAN
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Function Manual, 08/2008, 6AV6691-1FQ01-2AB0
Note
Only for effective ranges which belong to an override switch
If the operator has logged off from an effective range which belongs to an override switch,
the "Effective range name" object is displayed in gray in the following case: The operator has
left the effective range without pressing the override switch.
6.2.5
Behavior in the effective rage
6.2.5.1
Exiting the effective range without log off
Starting situation
The operator with his HMI device is located at the limit of the effective range.
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Action
The operator exits the WLAN area with the HMI device.
After 5 seconds the following occurs:
•
The enabling buttons are deactivated.
•
The "Effective range exited without logoff" dialog box opens.
•
Depending on the setting of the HMI device, the vibration alarm is triggered.
The operator now has 25 seconds time to enter the effective range again or log off from the effective
range via the "Effective range exited without logoff" dialog box.
Case 1:
The operator enters the effective range again
within 25 seconds.
Case 2:
The operator remains outside of the effective
range for longer than 25 seconds
Result case 1: return to the effective range on time
The HMI device is fully functional again.
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51*
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