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12 Hardware description
Layout
BSFC-02C
X4
Switch status monitoring (Q10 and Q11).
X5
Power supply input for BSFC and operating voltage output for DC switch-disconnector locking
solenoid.
V1...V6
Fiber optic links to inverters 1, 2 and 3.
S1...S3
Enable switches for charging circuit monitoring (inverters 1, 2 and 3).
Note: The BSFC unit does not allow the closing of the DC switch-disconnector unless monitoring
is enabled for at least one inverter module.
STAT
Inverter charging status LEDs (3 pcs).
1...3
U
1...3
Inverter "ready for start" LEDs (3 pcs).
DC
PWR
BSFC power on LED.
70
BSFC-12C
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