Pepperl+Fuchs FieldConnex Segment Coupler 3 Manual page 42

PROFIBUS Power Hub Segment Coupler 3 (SK3)
Operation
Performing a Restart
In order to reboot the gateway, proceed as follows:
1. Right-click on HD2-GTR-4PA.
2. Select Additional Functions > Restart.
After you confirmed the restart, the gateway is rebooted.
Performing a Restart with Default Values
Restarting the gateway with the default values function reboots the HD2-GTR-4PA with its
default values. All manually configured data such as device tags, watchdog times, and retry
limits are lost! 
In order to restart the gateway with default values, proceed as follows:
1. Right-click in the project tree on HD2-GTR-4PA.
2. Select Additional Functions > Restart with Default Values.
After you confirmed the restart, the gateway is rebooted.
Redundancy Switchover
Loss of communication 
If redundancy is not available, all coupled PA slaves drop out of data exchange, i.e.
communication is lost. Before trying to switch over from one device to the next, ensure that
redundancy is available. The primary and secondary device exchange roles. The active built-in
slave drops out of communication. All coupled PA slaves remain in the data exchange.
Redundancy Behavior
When coupled redundantly, the freshly rebooted device takes over all configurations from the
other device that is still active. In order to reset to default values in a redundant system, the
rebooted gateway must be mounted alone on the motherboard.
Performing a Redundancy Switchover
In order to perform redundancy switching, proceed as follows:
1. Right-click in the project tree on HD2-GTR-4PA.
2. Select Additional Functions > Force Redundancy Switchover.
After you confirmed the setting, the function is performed.
Firmware Update Behavior
During the process of a firmware update, In the case of simplex coupling or if redundancy is
unavailable, all coupled PA slaves leave cyclic communication, i.e. communication is lost.
Updating the Firmware
In order to perform redundancy switching, proceed as follows:
1. Right-click in the project tree on HD2-GTR-4PA.
2. Select Additional Functions > Firmware Download.
3. Device identitfy appears, press Next.
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