Saia-Burgess Controls AG
User Manual Standby System │ Document 27-645 │ Edition ENG 02 │ 2017-04-26
Programming
Diagnostic
2-31
2
If the Online Settings are incorrect, it may be possible to physically connect
both channels to the same PCD. For example, if PGU mode or Auto Station is
not ‘No’. Normally there will be other errors if the online settings are not valid.
Warning: Both devices are in STANDBY mode
Warning: Neither device is in STANDBY mode
Warning: Both devices are in ACTIVE mode (broken sync connection?)
Warning: Neither device is in ACTIVE mode
The redundancy control has failed. It could be caused by:
- A failed data synchronization connection between the Primary CPU 1 and the
Secondary CPU 1, via the Ethernet connector ETH 2.2. Ensure it is correctly
Check for another error message, such as “Invalid Primary CPU 1 IP address”.
Wrong PCD type
The connected PCD is not a PCD3.M6880 or PCD3.M6880-CPU1. Standby
only works with these PCD models.
Wrong S-Bus station number
The connected PCD’s S-Bus station number is not the same as the station
is wrong, or you are connected to the wrong PCD. This cannot occur if S-Bus is
being used for the communications channel, and PGU mode and Auto Station
are both ‘No’ . Check the Online Settings.
Wrong Serial Number
Number in the Downloader Options dialog box does not match the connected
PCD’s serial number.
Wrong IP address
The connected PCD’s IP address does not match the IP address in the Device
wrong PCD.
Primary and Secondary CPU x are the same device, check the Online Set-
tings
Primary CPU 0 and Primary CPU 1 are the same device, check the Online
Settings
If the Online Settings or communications wiring is incorrect, it is sometimes pos-
sible to physically connect both channels to the same PCD. For example, if PGU
mode or Auto Station is not ‘No’.
Normally there will be other error messages in the Messages window if the online
settings are invalid
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