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Diagnostics Optimization CT MODBUS RTU Technical Data
Installation and System Design Guide 105
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
Figure 4-22 Location of the 24 Vdc power supply connection on size 8 to 11
4.11 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.
The working voltage range of the low voltage DC power supply is as follows:
Size 3 to 11
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
For further information, refer to the ‘Low Voltage DC Operation User Guide.
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