ABB REB500 - Binary Outputs on Central Unit

1MRK 505 350-UEN Section 2
Signals
Technical Manual 17
Distributed busbar protection REB500
2.5 Binary outputs on central unit
Table 18 CU general output signals
Signal Description
41305_Trip BB zone (busbar
designation)
Signals which busbar s
ections have been tripped. An output can be
configured for each busbar section, which is then correspondingly
designated. There are as many output relays as there are busbar
zones and where the number of busbar zones is high, a second
BIO module is needed.
41
6
10_Trip
redirect
ed
Tripping has been redirected by the input
"
13605_Trip redirection
_1" or "13606_Trip redirection_2"
on a bay unit.
41405_SP blocked
All the station protection functions including “External TRIP”,
“External TRIP BB zone” and inter-tripping are blocked throughout
the system.
41410_Output relays blocked
All the output contacts that are configured are blocked.
41505_Isolator alarm
At least one isolator or circuit
-
breaker is not reporting a defined
position (neither CLOSED nor OPEN). It is issued at the end of the
set time delay and is reset by the input “Acknowledge isolator
alarm”, respectively set again by the next isolator alarm.
41805_Alarm
Set in the following cases:
· Supply failure
· Failure or disturbance of a central unit module
· Failure of the communication with a bay unit
· Failure of a bay unit
· Failure of a bay unit function
· Error when refreshing the data in the protection system
· Communication error in the central unit
· “Ext. supervision in service_1/2” inputs not set
· An ABB reference (bay) was deactivated under the
HMI500 menu “Settings Activate/ deactivate device” first
and activated with the limitation “no objects” afterwards.
Due to this setting the single line diagram shows an
active bay node (bay name), but a deactivated bay figure.
If no bay unit is connected for this bay, the alarm signal is
set.
41810_In service
Signal set by the diagnostic function that shows that the central unit
is operational or stand-by.
41815_Diff. current alarm
The differential current of a
protection zone exceeded the set alarm
level during the preset interval.
41820_Loss of supply voltage
Signals the failure of the isolator auxiliary supply on a bay unit
(“Supervision aux. voltage_x”). It is used in conjunction with “Not
OPEN = CLOSED”.
41825_Inspection/maintenance
Signals that an inspection or maintenance input is set on one of the
protection units.
41830_Switch inhibit
This signal appears together with “Isolator alarm”. No switching of
the primary system may take place as long as this signal is active,
because the image of the primary system in the protection would
not then correspond to the actual situation.
41835_Test generator active
The test generator is in
active within
the busbar protection system.
41840_PRP LineA ready
Signal
the status of the IEC 61850 redundant lines A and B,