6.5.9 Technical data
Table 520: MDSOPT Technical data
Description Value
Motor run-time measurement accuracy
1)
±0.5%
1) Of the reading, for a stand-alone IED, without time synchronization.
6.6 Uncorresponding position startup UPSCBR
6.6.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Uncorresponding position startup UPSCBR UPSS UPSM
6.6.2 Function block
GUID-9ECE8940-32C4-46F7-84E7-CB129B93B080-CN V2 EN
Figure 327: Function block
6.6.3 Functionality
The uncorresponding position startup function UPSCBR detects circuit breaker
openings in an unknown situation. An unexpected breaker opening can be caused
by, for example, internal mechanical malfunction.
UPSCBR can be used independently. The function output is activated when
detecting a circuit breaker opening in an unknown situation.
In most cases, the function module is used together with the AR function module.
The operate output signal can be one of the startup signals of the AR function.
6.6.4 Operation principle
The function can be enabled and disabled with the Operation setting. The
corresponding parameter values are "On" and "Off".
1YHT530004D05 D Section 6
Supervision functions
615 series 603
Technical Manual
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