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Emerson Unidrive M201 Installation Guide

Emerson Unidrive M201
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Unidrive M / HS Frame 7 to 10 Power Installation Guide 61
Issue Number: 5
Safety information Product information Mechanical installation
Electrical installation
Technical data UL listing information
Figure 4-6 Location of the 24 Vdc power supply connection on size 8 to 10
4.5 Low voltage operation
With the addition of a 24 Vdc power supply to supply the control circuits, the drive is able to operate
from a low voltage DC supply with a range from 24 Vdc to the maximum DC volts. It is possible for
the drive to go from operating on a normal line power supply voltage to operating on a much lower
supply voltage without interruption (not available with Unidrive M200 to M400).
Going from low voltage operation to normal mains operation requires the inrush current to be
controlled. This may be provided externally. If not, the drive supply can be interrupted to utilise the
normal soft starting method in the drive.
To fully exploit the new low voltage mode of operation, the under voltage level is now user
programmable. For application data, contact the supplier of the drive.
The working voltage range of the low voltage DC power supply is as follows:
Size 9 to 10
Minimum continuous operating voltage: 26 V
Minimum start up voltage: 32 V
Maximum over voltage trip threshold: 230 V drives: 415 V
400 V drives: 830 V
575 V drives: 990 V
690 V drives: 1190 V
Unidrive M/Unidrive HS size 9E and 10E drives do not have an accessible negative DC
terminal. It is recommended that 9D and 10D drives are used as an alternative when this
is needed, please refer to the Modular Installation Guide for further details.
51 5251 52
NOTE
Unidrive M frame7 to 10 Power Installation Guide issue5.book Page 61 Tuesday, May 24, 2016 11:52 AM

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Emerson Unidrive M201 Specifications

General IconGeneral
BrandEmerson
ModelUnidrive M201
CategoryController
LanguageEnglish

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