DURADRIVE Drive Controllers Attachment 12-7
DOK-DURADR-HDC01.1****-PR02-EN-P
Explanation of chronological sequence
"RF removed"; start "Best possible standstill"
with removal of RF signal the recommended off sequence starts and
"best possible standstill" (see firmware functional description).
"Brake contact actuated":
Brake contact in HDC actuated at X5,
Brake contact parameterizable as N/C or N/O contact (see firmware
functional description)
"Brake closed":
brake connected via brake contact is closed.
"Contactor K1 removed":
start DC bus discharge
"U
D
-Signal":
Signal output at X3
"Control voltage removed"
DC24V supply at X1
"Bb contact open":
without DC24V at X1 the Bb relay in HDC is brought into home
position (N/O opened).
Note: Removing the DC24V at X1 causes the Bb contact to open,
the removal of the U
D
signal and the loss of the diagnosis
displayed at H1 despite the existing DC bus voltage.
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