Rockwell-automation SB3000 Configuration and Programming Uživatelský manuál stáhnout pdf (Strana 108)

E-4

SB3000 Drive Configuration and Programming

Figure E.2 – Pre-Charge Sequencing State Diagram

Control Power On

Pre-charge Contactor is Open

Pre-charge contactor is closed

Report fault (FLT_CHG)

Wait for Pre-charge to Close

Pre-charge times out

Report fault (FLT_CHG)

Pre-charge is closed

& Vdc > Vdiode

Pre-charge Closed - RUN Pre-charge Closed - TEST

Pre-charge opens

Report fault (FLT_CHG)

Wait to Open

Vdc < Power Loss Threshold

Disable gate

Report fault (FLT_CHG)

Command pre-charge

to open

Pre-charge does not open

Report fault (FLT_CHG)

No charge faults & Vdc > Vdiode

Test mode active & Vdc < 5V

Command pre-charge to close

Pre-charge is closed

& Vdc < 5V

& in test mode

Pre-charge opens

Report fault (FLT_CHG)

Bridge test command is set false

Command pre-charge to open

Pre-charge does not open

Report fault (FLT_CHG)

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Rockwell-automation SB3000 Configuration and Programming Uživatelský manuál Strana 108