WA1 (A)
WA2 (B)
QB1
QC1
QA1
QC2
QC9
QB61
QB9
QB2
QC4
QA2
QC5
QC3
QB62
DB_BUS_B
DB_LINE
DB_BUS_A
en04000518.vsd
IEC04000518 V1 EN-US
Figure 148: Switchyard layout double circuit breaker
M13584-4 v4
For a double circuit-breaker bay, the modules DB_BUS_A, DB_LINE and DB_BUS_B must be
used.
13.4.8.2 Configuration setting
M13584-6 v5
For application without QB9 and QC9, just set the appropriate inputs to open state and
disregard the outputs. In the functional block diagram, 0 and 1 are designated 0=FALSE and
1=TRUE:
• QB9_OP = 1
• QB9_CL = 0
• QC9_OP = 1
• QC9_CL = 0
If, in this case, line voltage supervision is added, then rather than setting QB9 to open state,
specify the state of the voltage supervision:
• QB9_OP = VOLT_OFF
• QB9_CL = VOLT_ON
If there is no voltage supervision, then set the corresponding inputs as follows:
• VOLT_OFF = 1
• VOLT_ON = 0
13.4.9 Interlocking for 1 1/2 CB BH
IP14173-1 v3
1MRK 511 358-UEN A Section 13
Control
295
Application manual
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