CD5.241-S1 Datasheet, PDF (11/23 Pages) PULS GmbH – DC/DC Converter

CD-Series
CD5.241-S1
DC/DC Converter 24V, 5A
12. DC-OK RELAY CONTACT
This feature is only available on the model CD5.241-S1 and monitors the output voltage, which is produced by the
DC/DC converter itself. It is independent of a back-fed voltage from a unit which is connected in parallel to the DC/DC
converter output. It is a “Normally Open” contact.
Contact closes
Contact opens
Contact re-closes
Contact ratings
Isolation voltage
As soon as the output voltage reaches the adjusted output voltage.
As soon as the output voltage dips more than 10% below the adjusted output voltage.
Short dips will be extended to a signal length of 250ms. Dips shorter than 1ms will be ignored.
As soon as the output voltage exceeds 90% of the adjusted voltage.
max 60Vdc 0.3A, 30Vdc 1A, 30Vac 0.5A, resistive load
min 1mA at 5Vdc (minimum permissible load)
See dielectric strength table in section 18.
Note:
The DC-ok feature requires that the output voltage reaches the nominal (=adjusted) level after turn-on in order to
function according to specification. If this level cannot be achieved, the overload lamp will be on and the DC-ok
contact will be open. The overload signal will only shut off as soon as the adjusted voltage is reached. This is an
important condition to consider particularly, if the load is a battery, the DC/DC converter is used in parallel or the
DC/DC converter is used for N+1 redundant systems.
Fig. 12-1 DC-ok relay contact behavior
V_OUT= V_ADJ
90%
V_ADJ
10%
<
>
1ms
1ms
250ms
open
closed
open
closed
13. INPUT-LOW RELAY CONTACT
This feature monitors the input voltage of the DC/DC converter. It is a “Normally Closed” contact. It can be used to get
an alarm signal when the supplying battery becomes flat (under-voltage logout)
Contact is closed
Contact opens
Contact ratings
Isolation voltage
When the input voltage falls below 19.5Vdc (typ.)
As soon as the input voltage reaches 20.5 Vdc (typ.)
max 60Vdc 0.3A, 30Vdc 1A, 30Vac 0.5A, resistive load
min 1mA at 5Vdc (minimum permissible load)
See dielectric strength table in section 18.
Mar. 2016 / Rev. 1.5 DS-CD5.241-S1-EN
All parameters are specified at 24V, 5A, 24Vdc input voltage, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone [phone] Germany
11/23