Brake Sequence; Emergency Operation - gefran ADL300 Installations

6.6 Brake Sequence

Magn. current
Menu
5.3.2
Menu
5.3.3
Menu
5.3.5
Menu
5.3.7

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
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.
Menu
4.7
ADL300 - Fast installations and commissioning
Run Cont Close delay
Brake open delay
Parameter
11062
Parameter
11064
Parameter
11068
Parameter
11072
Parameter Description
448 Emergency UV
Description
Cont close delay
Description
Brake open delay
Description
Brake close delay
Description
Contactor Open delay
Sections".
Run Cont open delay
Brake close dly
Default Value
200 ms
Default Value
0 ms
Default Value
200 ms
Default Value
200 ms
Default Value
Calculated by the drive
Set to
0 - 10000
Set to
0 - 10000
Set to
0 - 10000
Set to
0 - 10000
Set to
0 - 10000
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