Ac - d c, Dnr05-60, 60 w models – Watlow Power Supply for MLS300 User Manual
Page 4: Standby versions, Dc ok
09-Oct-07
A
C
-
D
C
Standby Versions
DNR05-60
Notes
‘*’ at the end of the part number denotes DC standby system.
+
-
-
DC OK
Relay
Control
Relay
Coil
Battery
Fuse
D1
LOAD
DC Output
ON
12
3
Maximum current drain from
battery by PSU when inactive
22 mA.
+
1
2
3
4
5
Output Set Voltages For Standby Versions
Model
Voltage
Current
Efficiency
DNR30US12*
13.6 V
2.20 A
84%
DNR30US24*
27.2 V
1.10 A
86%
DNR30US48*
54.5 V
0.55 A
86%
DNR60US12*
13.6 V
4.40 A
86%
DNR60US24*
27.2 V
2.20 A
89%
DNR60US48*
54.5 V
1.10 A
89%
DCOK
DCOK
D
DCOK
22K
0.5W
5.1K
0.3W
R
L
> 700ohm
a) Relay Example
b) 5 V Signal Example
-Vout
-Vout
DCOK
DCOK
D
DCOK
22K
0.5W
5.1K
0.3W
R
L
> 700ohm
a) Relay Example
b) 5 V Signal Example
-Vout
-Vout
DC OK
Standard on 24 V models, 30-60 W only.
Example using external relay
to create volt-free contact
Example using external components
to create TTL signal
Output good = 24 V
Output not good = 0 V
DNR30/60 connection for DC standby system applications
30-60 W Models
DNR30/60 Connections
Conn
Pin
Designation
AC
Input
1
Ground
2
Neutral
3
Line
DC
Output
1
DC OK*
2
Positive
3
Positive
4
Negative
5
Negative
* 24 V & standby models only.