SECTION TWO – WIRING AND INSTALLATION
DS2000 USER’S MANUAL (rev.C)
2.38
2.15 POWER OFF
It is necessary to follow the power-off sequence times.
• t
1
after 100 ms (this time can be increased in case load inertia is much bigger than motor
inertia) the DRIVE ENABLE can be removed
• t
2
Three-phase input voltage release delayed time in order to avoid the undervoltage
FAULT.
• t
3
DC BUS discharge time
t
1
= 100 ms, t
2
= 15 ms, t
3
= 6 min. (to access the drive).
230/460
V
ac
Three-phase
t
1
t
2
t
3
REFERENCE
ENABLE
DRIVE
ENABLE
Fig. 2.17 – Power-off sequence times