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OR6
B1
B2
B3
B4
B5
B6
O
CBXCBR1_BLK_CLOSE
T1PTTR1_BLK_CLOSE
GUID-C8D94DD3-DB60-4456-B663-A45877AE2D18 V1 EN
Figure 259:
Circuit breaker 1 close blocking logic
The configuration includes the logic for generating the circuit breaker external closing
and opening command with the IED in local or remote mode.
Check the logic for the external circuit breaker closing command and
modify it according to the application.
Connect additional signals for opening and closing of circuit breaker
in local or remote mode, if applicable for the configuration.
AND
B1
B2
O
AND
B1
B2
O
OR
B1
B2
O
FALSE
FALSE
CBXCBR1_AU_CLOSE
CONTROL_LOCAL
CONTROL_REMOTE
GUID-7ACFCF02-3DAC-4D9F-94AA-641453214106 V1 EN
Figure 260:
External closing command for circuit breaker 1
AND
B1
B2
O
AND
B1
B2
O
OR
B1
B2
O
FALSE
FALSE
CBXBCR1_AU_OPEN
CONTROL_LOCAL
CONTROL_REMOTE
GUID-D12A66F5-D434-4C12-93C8-6C855C32EBC6 V1 EN
Figure 261:
External opening command for circuit breaker 1
3.8.3.5
Functional diagrams for measurement functions
The phase current inputs to the IED are measured by the three-phase current
measurement function CMMXU1. The current input is connected to the X120 card in
the back panel. The sequence current measurement CSMSQI1 measures the sequence
current and the residual current measurement RESCMMXU1 measures the residual
current.
The three-phase bus side phase voltage inputs to the IED are measured by three-phase
voltage measurement VMMXU1. The voltage input is connected to the X130 card in
the back panel. The sequence voltage measurement VSMSQI1 measures the sequence
Section 3
1MRS756378 S
REF615 standard configurations
190
REF615
Application Manual
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