DRP20 SERIES

DRP20 SERIES
20A REDUNDANT MODULE
FEATURES
‧SUITABLE FOR REDUNDANT OPERATION
OF 24V SYSTEM MAX 20A
‧READY RELAY CONTACTS
‧DECOUPLING DIODES
‧LED INDICATOR FOR INPUT FAILURE ALARM
‧3 YEARS WARRANTY
R
H
a
UL 60950-1
IND. CONT. EQ.
UL 508
EN 60950-1
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Conditions
min.
Isolation voltage
Input / Relay contact
100
Isolation resistance
Input / Relay contact, @ 100VDC
100
Ambient temperature
Operating at Vi nom
-40
Storage temperature
Non operational
Relative humidity
Vi nom, Io nom
MTBF
Bellcore Issue 6 @40 oC, GB
Altitude during operation
IEC 60068-2-13
typ.
max.
VDC
MΩ
+ 71
o
C
-40
+ 85
o
C
20
95
% RH
Hours
792,000
m
4,850
Dimension
mm
L90 x W54 x D114
Cooling
Free air convection
Installation position
Vertical ( other direction may derating using )
unit
Pollution degree
2
INPUT SPECIFICATIONS
Characteristics
Rated input voltage
Conditions
Io nom
min.
max.
unit
28
VDC
20
A
max.
unit
A
21
Number of inputs
Rated input current
typ.
2
Each channel
OUTPUT SPECIFICATIONS
Characteristics
Conditions
min.
typ.
Output voltage drop
Vin - Vout
Output current
Vi nom
20
Maximum output current
Vi nom
30A for 300 sec.
0.5
V
Reverse voltage (max)
DC ON indicator
Two LEDs indicating each input is ok
30
V
max.
unit
Green LED
CONTROL FUNCTION
Characteristics
Power Rdy
Conditions
2015.05.12
typ.
OK
When input is>20V(±5%) or <30V(±5%)
Fail
When input is<20V(±5%) or >30V(±5%)
Contact rating at 30VDC
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min.
1.0
A
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DRP20 SERIES
SPECIFICATION
APPROVALS AND STANDARDS
UL / cUL
UL 508 Listed
UL 60950-1 Recognized
TUV
EN 60950-1
CE
EN 55022 Class B, EN 55024
EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8
ENV 50204, EN 61204-3
Vibration resistance
meet IEC 60068-2-6 (Mounting on rail : 10-500 Hz, 2G, along X, Y, Z each Axis, 60 min for each Axis )
Shock resistance
meet IEC 60068-2-27 (15G, 11ms, 3 Axis, 6 Faces, 3 times for each Face)
PHYSICAL CHARACTERISTICS
Screw terminal type
90 x 54 x 114 mm (3.6 x 2.13 x 4.49 inches)
Case material
Plastic
Weight
210g
Packing
0.28kg ; 32
/ 10kg / 1.85CUFT
MECHANISM & PIN CONFIGURATION
mm [inch]
CONSTRUCTION
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safeIy and
firmly on the rail.
54.0 0 [2.1 3]
INSTALLATION
114.0 0 [4.4 9]
1 2 3 4 5 6
LED A
LED B
OK
FAIL
OK
90.00 [3.60]
FAIL
DRP20
A+
B+
Ventilation / Cooling
Normal convection
All sides 25mm free space
For cooling recommended
Connector size range
IN / OUT : AWG24-10 (0.2~4mm2 ) flexible / solid
cable, connector can withstand torque at maximum
5.5 pound-inches.
Relay : AWG24-12 (0.2~2.5mm2 ) flexible / solid
cable, connector can withstand torque at maximum
6 pound-inches.
7~8 m/m stripping at cable end recommends
Use copper conductors only, 60 / 75oC
+
GENERAL TOLERANCE
7 8 9 10 11 12
0.00[0.00] - 30.00[1.18]
±0.30[0.01]
30.00[1.18] - 120.00[4.72]
±0.50[0.02]
PIN ASSIGNMENT
Designation
PIN NO.
1
RDY A
4
9
10
IN
OUT
8
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2015.05.12
OUT
11
12
COM B
O.K
6
7
A normal open relay contact for DC ON level control
FAIL
RDY B
5
COM A
O.K
OUT
2
3
Description
FAIL
+
A+
+
-
B+
-
Input terminal
Negative output terminal / input terminal
+
Positive output terminal
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DRP20 SERIES
TYPICAL APPLICATION NOTES
1.) 1+1 Redundancy : Using 1 more PS as the redundant unit.
PS#1
PS#2
DRP20
Vout
Load
2.) Single Use : Connecting only one PS to one DRP20 to reduce the stress of the diodes and
hence increase the reliability.
PS#1
Vin A
PS#1
Vin B
Vin A
Vin B
DRP20
DRP20
Vout
Vout
Load
3.) 1+N Redundancy : Using 1 more PS as the redundant units to increase the reliability.
PS#1
Vin A
PS#2
PS#1
Vin B
PS#2
Vin A
Vin B
DRP20
PS#1
Vin A
DRP20
Vout
Vout
PS#2
Vin B
DRP20
Vout
Load
CIRCUIT SCHEMATIC
Vin A+
OK
RELAY
A
Vin B+
RDY A
FAIL
OK
Vin - / Vout-
RELAY
B
RDY B
FAIL
Vout+
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2015.05.12
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