Datasheet
CD5.241-S1
CD-Series 
DC/DC Converter 24V, 5A 
8.  FUNCTIONAL DIAGRAM 
Fig. 8-1 Functional diagram 
+
+
-
-
V
OUT
Input Fuse
&
Input Filter
Output
Voltage
Regulator
Power
Converter
Output
Filter
DC
ok
Output
Over-
Voltage
Protection
Reverse
Polarity
Protection
&
Inrush
Limiter
Chassis
Ground
+
-
Over-
Temperature
Protection
DC-ok
Relay
Output
Voltage
Monitor
13
14
Input
low
Relay
11
12
Input
Voltage
Monitor
Inpu
t
low
9.  FRONT SIDE AND USER ELEMENTS 
Fig. 9-1 Front side 
A
  Input terminals 
  Screw terminals 
  + Positive input 
  - Negative (return) input 
  Chassis ground: can be used to bond the housing to PE 
  Ground this terminal to minimize high-frequency emissions. 
B
 Output terminals 
  Screw terminals, dual terminals per pole, both pins are equal 
  + Positive output 
  - Negative (return) output  Screw terminals 
C
  Output voltage potentiometer 
  Open the flap to set the output voltage. Factory set: 24.1V 
D
  DC-OK LED (green) 
Monitors the output voltage, which is produced by 
  the DC/DC converter itself and is on when the voltage is higher 
  than 90% of the adjusted output voltage. 
  DC-OK lamp and DC-OK contact functions are synchronized 
E
 Signal terminals 
Plug Connector for DC-OK and Input-low relay contact 
F
  Input-low LED (yellow) see also chapter 13. 
On when the input voltage is between 4Vdc and 20Vdc.. 
  Input-low LED and Input-low contact functions are synchronized 
Oct 2009 / Rev. 1.3 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 +49 89 9278 0 Germany 
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