ABB Advant Controller 450 - Number of Power Supply Units

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3BSE 002 415R701 Rev A 3-5
– the need for current is small
– there is idle capacity in the available power supply units (see &XUUHQW
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– the transducer is grounded directly in the control system chassis.
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In Table 3-2, you can find six alternatives for equipment configuration. Power supply needs are
divided up into available power supply units rated 25 A and 10 A.
Up to fully equipped subracks is assumed.
Current at nominal 24 V is given, for example, 25 A.
For special utilization of the power supply units, you are advised to calculate the current
consumption.
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Controller subrack 25 A
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Controller subrack
I/O 1 subrack
25 A
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Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack 10 A
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Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack
I/O 3 subrack
25 A
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Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack
I/O 3 subrack
25 A
I/O 4 subrack 10 A
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