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 7 
 

 

 

Chapter 5 

Installation and Maintenance 

 

5.1 Installation  

 
OPR300-05S and OPR300-05R may be installed in a fixed, semi-fixed and mobile environments 
that meet the environmental characteristics specified in Chapter 2. These models are designed to 
be mounted in a standard 19” equipment rack utilizing the mounting holes provided on the front 
of each unit. 

It is recommended that at least 1 rack unit (1U = 1.75”) gap be provided above 

or below the OPR power supply unit for proper air flow.

  

 
Once these power supplies are mounted in the rack, they should be connected to the system (that 
only requires 5VDC power) with the DC output connector located at the rear of the OPR unit.  
 
 
 
 

¾

 

Next, ensure that the front panel power switch(es) are in "OFF" position.  

¾

 

Connect the AC power cord to the unit by plugging the free end of the power cord into a 
standard three prong AC outlet. 

¾

 

Ensure that the AC power plug(s) located at the rear end of the power supply are 
connected to a clean and well-grounded Universal AC source.  

 

OPR300-05S Setup 

Once all the wires are connected properly as described in the above installation paragraph: 

 
(1) Turn "ON" the front panel switch. 
(2) The "Power" LEDs, should light up.   

 
Now the system is ready to operate to its required purpose.  
 

OPR300-05R Setup 

Once all the wires are connected properly as described in the above installation paragraph: 
 

 

 

(1) Turn "ON" the front panel switch for Power supply 1  
 
The "Power 1" green LED, and "PS 2 Alarm" red LED should light up. Indicating Power 
supply 1 is "ON" and Power supply 2 is "OFF" 
   

 

(2) Turn "ON" the front panel switch for Power supply 2 

 

 
This should clear the "PS 2 Alarm" red LED and cause the "Power 2" green LED to 
illuminate.  

 
Now the system is ready to operate to its required purpose.  

WARNING:  Observe polarity when making connection to the rear of model 
 

 

OPR300-05S / OPR300-05R

Summary of Contents for OPR Power Series

Page 1: ...i OPR Power Series AC to DC POWER SUPPLY SERIES WITH REMOTE MANAGEMENT AND ALARM SYSTEMS Model Nos OPR300 05S OPR300 05R Manual Revision E April 2008 Optimal Power Supplies LLC www optimal power com ...

Page 2: ...liability Optimal Power Supplies LLC reserves the right to make changes to the products described in this document without notice WARRANTY Optimal Power warrants all of its products against defects in materials and workmanship for one year from date of delivery We will repair or replace parts which prove to be defective during the warranty period provided that 1 A Return Maintenance Authorization ...

Page 3: ... 3 2 Front Panel Status Indicators 5 3 3 Remote Management DB 25 Connector Pin Out for OPR300 05S 5 3 4 Remote Management DB 25 Connector Pin Out for OPR300 05R 5 4 Alarm Systems 6 4 1 Alarm Monitoring System 6 5 Installation and Maintenance 7 5 1 Installation 7 5 2 Maintenance 7 5 3 Warnings 8 5 4 Design Block Diagram 9 6 Images 10 6 1 OPR300 05S Single Power Supply 10 6 2 OPR300 05R Redundant Po...

Page 4: ...tions and Fiber Optic Network Voice Data and Analog Communications Universities and Educational Facilities Instrumentation and Electronics Utility and Power Industries Data Acquisition Medical Military OPR Power Series is a reliable efficient and inexpensive solution for all kind of AC to DC power supply applications 1 2 Main Features Compact Rack Mount Size 1 75 H x 19 W x 12 12 D Universal AC Al...

Page 5: ...emperature 20 C to 85 C Cooling Cool Air Flow Overload Protection Auto Recovery Efficiency 80 90 Typical DC OK DB25 Interface and Status LEDs 1 4 Typical Safety Rating for Internal Power Modules Designed in full compliance with UL60950 CSA 22 2 No 234 EN60950 EMI EN55022 Class B EMS EN61000 4 2 3 4 5 6 8 11 Harmonics EN61000 3 2 Class D Redundant Power Supply ...

Page 6: ...o built in alarm circuits with red LEDs for low DC power monitoring and for remote power management In addition Models OPR300 05S and OPR300 05R have DB25 interface for remote power supply alarm monitoring 2 2 Specifications Electrical Output Voltage 5V DC Output Ripple Typical 50 mV Output Current 55A Typical 60A maximum Output Power 600W for OPR300 05R 300W for OPR300 05S Input Voltage Universal...

Page 7: ... Auto recovery Functional Temperature 0 to 70 C Storage Temperature 20 to 85 C Over voltage Type Latch off Efficiency 80 90 Typical Physical Dimensions 1U 1 75 H x 19 W x 12 12 D Weight Approx 13 25 lb 6 01 kg 212 oz Single Power Supply ...

Page 8: ...Alarm RS485 Output Alarm NO Alarm Pin 16 Power Supply 1Alarm RS485 Output NO Alarm Alarm Pin 9 Power Supply 2Alarm RS485 Output NO Alarm Alarm Pin 17 Power Supply 2Alarm RS485 Output Alarm NO Alarm Pin 1 Frame Ground Output NA NA Pin 7 Signal Ground2 Output NA NA LED Description When Lit Labeled Indicators Solid Green Power Supply 1 Activated Power 1 Solid Red Power Supply Failure PS 1 Alarm Solid...

Page 9: ...igh 1 Logic Low 0 Pin 3 Power Supply Alarm Logic Low 0 Logic Low 1 OPR300 05R Alarm Indications If for some reason the voltages of power supply 1 in the Model OPR300 05R drop below the threshold limit due to overload for example the DB25 interface pins 3 will go logic HIGH and pin 16 will have logic LOW indicating power supply 1 failure DB25 Pin Out Normal Condition Power Supply Failure Pin 3 Powe...

Page 10: ... of the power cord into a standard three prong AC outlet Ensure that the AC power plug s located at the rear end of the power supply are connected to a clean and well grounded Universal AC source OPR300 05S Setup Once all the wires are connected properly as described in the above installation paragraph 1 Turn ON the front panel switch 2 The Power LEDs should light up Now the system is ready to ope...

Page 11: ...bject the unit to sudden or severe shocks Never operate the Model OPR300 05S OPR300 05R with any of the covers removed 5 3 Warnings To reduce the risk of fire electric shock or product damage DO NOT expose the OPR300 05S OPR300 05R unit s to direct heat rain moisture dripping or splashing DO NOT place any object filled with any kinds of liquids on the unit s To prevent damage to LEDs and switches ...

Page 12: ...9 5 4 Design Block Diagram OPR300 05R Power Module 1 Power Module 2 AC INPUT AC INPUT DC OUPUT OPR300 05S Power Module 1 AC INPUT DC OUPUT ...

Page 13: ...10 Chapter 6 Images 6 1 OPR300 05S Single Power Supply 6 2 OPR300 05R Redundant Power Supply ...

Page 14: ...11 19 Power 1 PS 1 Alarm 6 4 OPR300 05S Front View 19 Power 1 PS 1 Alarm Power 2 PS 2 Alarm 6 3 OPR300 05R Front View ...

Page 15: ...r 1 Alarm Pin 17 RS485 Power 2 Alarm Pin 9 RS485 Power 2 Alarm Pin 7 Signal Ground Ground 5V AC Input Volt Power Supply 2 6 6 OPR300 05R Rear View 6 5 OPR300 05S Rear View Three Cooling Fans DB 25 Interface Remote Management Pin 1 Frame Ground Pin 3 RS485 Power Alarm Pin 7 Signal Ground Pin 9 RS485 Power Alarm Ground 5V AC Input Volt Power Supply ...

Page 16: ...low make sure to connect all the specified power terminals WARNING Observe polarity when making connection to the rear of Model OPR300 05S Model OPR300 05R Indicates 5V DC Indicates Ground Line Red Positive Lead 5V Black Negative Lead 0V 14 AWG Wire Required ...

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