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The SD811 (24V d.c. @ 2.5A) and the SD812 (24V d.c. @ 5.0A) can be used alone
or together for redundancy (
Figure 3-10
). The supplies can operate in a parallel
configuration which can be used to increase the total output current capacity.
The DCOK signal of the supplies can be connected to the supply monitoring inputs
(SA, SB) of the FCI in the case of redundant supplies.
The SD811 provides enough power to support a fully loaded I/O Station.
The SD812 is mainly used when field devices need to be powered.
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L1
L2 (N)
PE
DCOK
DC Adj.
+24V
0V
DCOK
5A
a.c. 110-240V
207VA
SD812
L1
L2 (N)
PE
DCOK
DC Adj.
+24V
0V
DCOK
SD811
2.5A
a.c. 110-240V
104VA
Содержание S800 I/O
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