1-24 Installation/Wiring
For Lifting/Torque Proving details, refer to page C-2
.
The following notes must be read and understood. Also refer to pages
1-8
through 1-11 for additional common bus information.
Important Application Notes
1. If drives without internal precharge are used (Frames 5 & 6 only),
then:
a) precharge capability must be provided in the system to guard
against possible damage, and
b) disconnect switches Must
Not be used between the input of the
drive and a common DC bus without the use of an external
precharge device.
2. If drives with internal precharge (Frames 0-6) are used with a
disconnect switch to the common bus, then:
a) an auxiliary contact on the disconnect must be connected to a
digital input of the drive. The corresponding input (parameter
361-366) must be set to option 30, “Precharge Enable.” This
provides the proper precharge interlock, guarding against
possible damage to the drive when connected to a common DC
bus.
b) the drive must have firmware version 2.002 or above (Standard &
Vector Control).
Lifting/Torque Proving
Common Bus/Precharge Notes
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