Section 2 1MRK 505 350-UEN
Signals
10 Technical Manual
Distributed busbar protection REB500
Signal Description
coincident maintenance input. Refer to the description for the
“Inspection_x-Off” signals. If the status of both inputs is identical, the
ndicates ‘MaintenanceAlarm’.
This input is excited by the maintenance function. It is used should
only one maintenance signal be available.
This signal is configured in the bay unit and together with the inpu
signal “36705_General Start DR” from the central unit triggers the
disturbance recorder in the bay unit. Without this signal, the bay unit
does not respond to a general start of the disturbance recorder.
It is only used for interlocking the general start signal for the
disturbance recorder and may not be configured onto an optocoupler
input. This is achieved by setting the mode to “No auxiliary contact”
after opening the dialog “Binary module” and clicking on the tabs
With a properly configured event configuration, the input signal can
be transmitted via LON or IEC103 and displayed on the control
system. It is also possible to display the state of the signal on the
local HMI LED’s of the bay unit.
Table 6 Signal pairs supervised for anticoincidence
Status Inspection 1 Inspection 2 Inspection 3 Inspection 4
In Table 7, some signals cannot be used to trigger a disturbance record:
• 13210_BP Block BFP
• 13610_BP Trip transfer
• 13761_BP Start BFP L1L2L3_5
• 13770...13780_BP Start BFP Lp
• 13785_BP Start BFP L1L2L3
• 13790_BP External start BFP
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