YR40.245
Y-Series
12-28V,
40A,
S
INGLE
R
EDUNDANCY
M
ODULE
7.
R
EPLACING
U
NITS WHILE THE
S
YSTEM IS
R
UNNING
Fig. 7-1
Replacing the power supply or redundancy module while the system is running
L N PE
Power Supply
+ +
- -
DC 24V
Load
YR40.245
Redundancy
Module
+
-
Input
Output
+
-
I
I
L
N
PE
L N PE
Power Supply
+ +
- -
DC 24V
YR40.245
Redundancy
Module
+
-
Input
Output
+
-
1
2
3a
3b
4
Instructions:
-
Switch-off circuit breaker (3a).
-
Remove plug (4). The plug prevents the cables from shorting.
-
Change power supply (1) or/ and redundancy module (2).
-
Put the plug (4) back in.
-
Turn-on the circuit breaker (3a).
-
The circuit is redundant again.
To replace the right power supply or redundancy module, use the same procedure but turn off circuit breaker (3b).
Oct. 2013 / Rev. 1.0 DS-YR40.245-EN
All parameters are specified at 24V, 40A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted
www.pulspower.com Phone +49 89 9278 0 Germany
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