Emerson E300 Series User Manual

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E300 Design Guide 85
Issue Number: 1
Figure 4-20 Location of the 24 Vdc power supply connection on size 6
Figure 4-21 Location of the 24 Vdc power supply connection on size 7
4.10 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 of
voltages from 24 Vdc to the maximum DC voltage for the given drive. The working voltage ranges for the low voltage DC power supply are as follows:
Size 3 to 7
Minimum continuous operating voltage: 26 V
Minimum start up voltage: 32 V
Maximum over voltage trip threshold: 200 V drives = 415 V, 400 V drives = 830 V, 575 V drives = 990 V, 690 V drives = 1190 V
Figure 4-22 Low voltage operation
51 5251 52
51 5251 52
51 5251 52
Under Voltage
Active
Under Voltage System
Contactor Output
L19
J65
Under voltage control logic
O15
Under Voltage System
Contactor Closed
O16
DC Link
Voltage
O14
Low Under
Voltage
Threshold
O13
Low Under Voltage
Threshold Select
O11
Standard Under
Voltage Threshold
O12
Low Voltage Supply
Mode Enable
-
+
Active Supply
O09
User Supply
Select
O10
Drive enable

Emerson E300 Series Specifications

General

Brand	Emerson
Model	E300 Series
Category	DC Drives
Language	English