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FG-200 HSE/FF Modbus - User Manual
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Version EN-112021-1.30.3
Secondary device clears configuration.
Repair measure
Repair Ethernet connection.
Secondary device may reboot in some cases depending on prior state and will
receive configuration data from primary device.
1)
If the secondary device reboots cyclically in this state, set the TCP acknowledge timeout (object 22223) to a smaller value.
9.2.1.8 Redundancy link broken or removed (8)
Redundancy link broken or removed between primary device and secondary device (8)
Fault detection
Loss of serial communication. Detection time less than 800 ms.
Fault treatment
Secondary device assumes and indicates non operational state.
Effect
System degrades to non-redundant system.
Repair measure
Repair or reconnect redundancy link.
Secondary device will reboot and receive configuration data from primary device.
9.2.1.9 State indication associated
The following table shows the state indications associated with the fault states described above. The
numbers in the first column refer to the previous table. Line 0 describes the faultless state. "primary
device" and "secondary device" denote the role after redundancy switching.
Primary device Secondary device
R-LED H1-LED Web-Info R-LED H1-LEDs Web-Info
0 On fast on
configured
links
Off on
unconfigured
links.
Ok
Primary Flashing Slow on
configured links
Off on not
configured links
Ok
Secondary
1 On fast on
configured
links
Off on not
configured links
Failure no
serial
communicati
on
Primary, no
backup
off off (no connection
to web server)
2 On fast on
configured
links
Off on non
configured links
Failure TCP
link to
redundant
device is lost
Primary, no
backup
Flashing Slow on
configured links
Off on non
configured links
(no connection
to web server)
3 On fast on
configured
links
Ok
Primary Flashing fast on missing
links
Ok
Secondary