y ar in im Pr el DRP20 SERIES 20A DIN RAIL MOUNTABLE REDUNDANT MODULE FEATURES SUITABLE FOR REDUNDANT OPERATION OF 24V SYSTEM MAX 20A READY RELAY CONTACTS DECOUPLING DIODES LED INDICATOR FOR INPUT FAILURE ALARM. SPECIFICATION GENERAL Characteristics Conditions min. Isolation voltage Input / Relay contact 100 Isolation resistance Input / Relay contact, @ 100VDC 100 Ambient temperature Operating at Vi nom -25 Storage temperature Non operational -25 Relative humidity Vi nom, Io nom 20 Dimension L90 x W54 x D113.5 Cooling Free air convection Case material Plastic typ. max. unit VDC M + 71 o + 85 o C C % RH 95 mm INPUT SPECIFICATIONS Characteristics Rated input voltage Conditions min. typ. 21 Io nom max. unit 28 VDC 20 A 2 Number of inputs Input current (max) OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage drop Vi n - Vout Output current Vi nom min. typ. unit V 0.5 Reverse voltage (max) DC ON indicator max. Two LEDs indicating each input is "ok or fail" 20 A 30 V Green LED CONTROL FUNCTION Characteristics Power Rdy Conditions 2009.01.23 typ. max. unit When input is>20V( 5%) or <30V( 5%) Fail When input is<20V( 5%) or >30V( 5%) Contact rating at 30VDC www.chinfa.com min. OK 1.0 A [email protected] DRP20 SERIES MECHANISM & PIN CONFIGURATION mm [inch] CONSTRUCTION Easy snap-on mounting onto the DIN-Rail (TS35/7.5 or TS35/15), unit sits safely and firmly on the rail; no tools required even to remove 54.00 [2.12] LED A INSTALLATION 113.50 [4.47] 1 2 3 4 5 6 Ventilation / Cooling Normal convection All sides 25mm free space For cooling recommended Connector size range Solid:0.2-2.0mm2(AWG24-14) (use copper conductors only) LED B OK FAIL OK 90.0 [3.54] FAIL DRP20 7 8 9 10 11 12 APPROVALS AND STANDARDS UL508 Listed UL60950-I Recognized EN60950-I UL/cUL TUV CE EN61000-6-3, EN55022 class B EN61000-6-2, En55024 EN61204-3 PIN ASSIGNMENT PIN NO. Designation 1 2 RDY B 3 4 5 RDY A 6 7 Description FAIL COM B O.K FAIL COM A A normal open relay contact for DC ON level control O.K 8 + + 9 - 10 11 - 12 + A+ B+ Input terminal Negative output terminal / input terminal - Positive output terminal PHYSICAL CHARACTERISTICS CASE SIZE SCREW TERMINAL TYPE 90 x 54 x 113.5 mm (3.54 x 2.12 x 4.47 inches) CASE MATERIAL Plastic WEIGHT 210g www.chinfa.com 2009.01.23 [email protected] 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 Vout PS#1 Vin A DRP20 Vout PS#2 Vin B DRP20 Vout Load CIRCUIT SCHEMATIC + Vin A+ RELAY A RDY A Vin B+ + Vin/Vout- RELAY B RDY B Vout+ www.chinfa.com 2009.01.23 [email protected]