YRM2.DIODE
Y-Series
24-60V, 20A, D
UAL
R
EDUNDANCY
M
ODULE
Nov 2006 / Rev. 1.0 DS-YRM2.DIODE-EN
All parameters are specified at 24V, 20A 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
15/17
23.5. B
ATTERY
B
ACK
-
UP
A battery back-up with 10A requires one 10A power supply and one YRM2.DIODE redundancy module.
Please note:
Set output voltage of power supply to 26.5Vdc minimum to avoid that the charger current flows to the load instead of
charging the battery. Use a fuse between battery and YRM2.DIODE!
Fig. 23-4
Wiring diagram, 10A Battery back-up
Failure
Monitor
10A
Load
optional
L
N
PE
24V Battery
I
Battery
Charger
+
-
L N PE
Power Supply
+ +
- -
24V, 10A
YRM2.DIODE
+
-
OUT
+
-
IN 1
+
-
IN 2
IN 1 IN 2
23.6. R
EDUNDANCY FOR
S
ENSITIVE
L
OADS
Cost effective solution to get redundant power for a PLC or controller system.
Standard
design:
Load
PS1
PLC
PS2
Improved
approach:
Load
PLC
PS1
PS2
YR2
Fig. 23-5
Wiring diagram,
Redundancy for Sensitive Loads
Failure
Monitor
Sensitive
Load
e.g.
Controller
opt
ional
I
I
I
L1
L2
PE
L3
I
N
Heavy
Loads
e.g. Motors
L1 L2 L3 PE
Power Supply
+ +
- -
24V, 20A
YRM2.DIODE
+
-
OUT
+
-
IN 1
+
-
IN 2
IN 1 IN 2
L N PE
Power
Supply
+ +
- -
24V, 5A
