ADL300 - Fast installations and commissioning Pag. 34 of 52
6.6 Brake Sequence
6.7 Emergency Operation
The emergency operation happens when there is a failure at main power supply . The drive can be feed by external
modules.
Two different modes are possible:
• Operation by Emergency Power Supply (EMS)
• Operation by Single Phase Uninterruptible Power Supply (UPS)
The emergency operation condition must be noticed to the drive by a dedicated Digital Input as reported in the schematic
below (Default is Digital Input 3).
See diagram on chapter 4.1 “ADL300 Typical Installation and Main Sections”.
During the emergency operation the under-voltage alarm is disabled. It is possible to configure the minimum allowed
value of the DC bus voltage that assure the operation of the drive. Below the configured value at parameter 448 the drive
stop any operation. The default value is automatically calculated by the drive, it is possible to set a value lower than the
default.
Brake open delay
Run Cont Close delay
Brake close dly
Magn. current
Run Cont open delay
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