CP20.241-R1, CP20.241-R2, CP20.241-R3,

CP20.242-R2, CP20.242-R2-C1

CP-Series

Jan. 2018 / Rev. 0.2 DS-CP20.241-R2-EN - All parameters are typical values specified at 230Vac, 50Hz input voltage, 24V, 20A output

load, 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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P R E L I M I N A R Y

This feature is available only for the CP20.241-R2, CP20.242-R2 and CP20.242-R2-C1 units, which are equipped with

hot-swappable plug connectors.

Fig. 14-1 Replacing the power supply or redundancy module while the system is running

Load

I

I

L

N

PE

1a

L

N

PE

+

-

CP20.241-R2

Power Supply

DC-OK

DC-

OK

Output 24V 20A

Input

L

N

PE

+

-

CP20.241-R2

Power Supply

DC-OK

DC-

OK

Output 24V 20A

Input

1b

2a

3a

3b

2b

Replacement instructions (Example for left power supply):

-

Switch-off circuit breaker (1a).

-

Remove plug (2a).

-

Remove plug (3a). The plug prevents the cables from shorting.

-

Change power supply.

-

Put the plug (3a) back in.

-

Put the plug (2a) back in.

-

Turn-on the circuit breaker (1a).

-

The circuit is redundant again.

To replace the right power supply, repeat the process above using (1b), (2b) and (3b).