Datasheet

YR20.242
Y-Series
12-28V, 20A, DUAL REDUNDANCY MODULE
18.5. 1+1 REDUNDANCY UP TO 10A
1+1 Redundancy up to 10A requires two 10A power supplies and one YR20.242 redundancy module.
Fig. 18-5 Wiring diagram, 1+1 Redundancy, 10A output current
L1
L2
PE
L3
10A
Load
Failure
Monitor
I I I I I I
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
YR20.242
Redundancy
Module
Output
Input
1
Input
2
+
-
+
-
+
-
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
optional
Note: Use separate mains systems for each power supply whenever it is possible
18.6. N+1 REDUNDANCY, EXAMPLE WITH 30A
N+1 Redundancy up to 30A requires four 10A power supplies and two YR20.242 redundancy modules.
Fig. 18-6 Wiring diagram, n+1 Redundancy, 30A output current
L1
L2
PE
L3
30A
Load
Failure
Monitor
I I I
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
YR20.242
Redundancy
Module
Output
Input
1
Input
2
+
-
+
-
+
-
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
optional
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
YR20.242
Redundancy
Module
Output
Input
1
Input
2
+
-
+
-
+
-
L1 L2 L3 PE
+ +
- -
Power
Supply
24V,10A
DC-
OK
I I I I I I
optional
I I I
Note: Use separate mains systems for each power supply whenever it is possible
Jul. 2017 / Rev. 1.3 DS-YR20.242-EN All parameters are typical values specified at 24V, 20A output current, 25°C ambient and
after a 5 minutes run-in time unless otherwise noted.
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