Siemens Second Wind Function Manual page 135

Fail-safe operation of the mobile panel 277f iwlan
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Automatic transfer
WARNING
Do not use automatic transfer
The automatic transfer (Control Panel, option "Remote Control") for the HMI device must not be used.
Use the manual transfer.
Configuration
NOTICE
HSP Mobile Panel 277 Wireless V1.1 required
For configuration of the HMI device use the "HSP Mobile Panel 277 Wireless V1.1" software only.
Bridging battery
Note
The HMI device will be supplied in delivery stage 1 without a bridging battery.
If you want to replace the main battery, exit the running project and turn off the HMI device.
Ambient temperature
The HMI device has been designed for use with ambient temperatures ranging from 0°C to +40 °C.
Note
Charging the batteries
If the HMI device is in productive operation, the batteries will be fully charged in the charging station, as long as the ambient
temperature 40 °C is not exceeded.
When the HMI device is turned on and resting in the docking station, the following applies:
● The batteries in the HMI device remain charged, as long as the ambient temperature 40 °C is not exceeded.
● The batteries in the docking station will be fully charged, as long as the ambient temperature 35 °C is not exceeded.
LEDs
Note
The "BAT" LED will start flashing as soon as the HMI device is placed in the docking station and charging begins. Make sure
that the HMI device is correctly positioned in the docking station for charging of batteries.
Specification of the USB interface
Note
Use the USB interface for commissioning and maintenance only.
The line length of the connected USB devices may not exceed 3 m.
Mobile Panel 277F IWLAN
A5E01005059-01, 09/2008
5

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