ABB Relion 650 Series Technical Manual page 288

Section 9
Secondary system supervision
Timer
The binary input BLOCK can be used to block the function. The activation of the BLOCK input
deactivates the ALARM output and resets the internal timer.
9.3.7 Technical data
Table 217: TCSSCBR Technical data
Function
Operate time delay
282
To protect the trip circuit supervision circuits in the IED, the output contacts are
provided with parallel transient voltage suppressors. The breakdown voltage of
these suppressors is 400 +/– 20 V DC.
Range or value
(0.020 - 300.000) s
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1MRK 506 326-UUS B
GUID-3C50487E-47ED-4E5C-AA2E-FA0EB53376BC v1
GUID-CF26761C-55B8-41EF-B140-651F7F116003 v2
Accuracy
± 0,5% ± 110 ms
Line distance protection REL650
Technical manual