$GYDQW
&RQWUROOHU8VHU¶V*XLGH
6HFWLRQ 3RZHU6XSSO\
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
&RQVXPSWLRQ)
– the transducer is grounded directly in the control system chassis.
1XPEHURI3RZHU6XSSO\8QLWV
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.
7DEOH 5XOHVIRUWKH&DOFXODWLRQRI1XPEHURI3RZHU6XSSO\8QLWV
$OWHUQDWLYH
6WDQGDUG&RQILJXUDWLRQ
0D[3RZHU6XSSO\
5HTXLUHPHQW
$OWHUQDWLYH
Controller subrack 25 A
$OWHUQDWLYH
Controller subrack
I/O 1 subrack
25 A
$OWHUQDWLYH
Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack 10 A
$OWHUQDWLYH
Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack
I/O 3 subrack
25 A
$OWHUQDWLYH
Controller subrack
I/O 1 subrack
25 A
I/O 2 subrack
I/O 3 subrack
25 A
I/O 4 subrack 10 A
$OWHUQDWLYH