DeltaPSU E-News CliQ II Redundancy Solutions
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DeltaPSU E-News CliQ II Redundancy Solutions

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Delta Electronics adds two Redundancy Modules, DRR-20A and DRR-40A to its...

Delta Electronics adds two Redundancy Modules, DRR-20A and DRR-40A to its
CliQ II series of DIN Rail power management products. They are compatible with
both 24Vdc and 48Vdc power supplies, offering redundancy functionality. These
modules can also be used for Parallel operation.

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  • 1. DeltaPSU NewsThe World’s No. 1 Provider of Switching Power SuppliesIssue Date: November 30, 2011 Did You Know? ■ CliQ II Redundancy Module 20A & 40A supports: - Back up power (Redundancy Mode) - Increasing power (Parallel Mode) ■ CliQ II Redundancy Module 20A supports output 24-48Vdc and current up to 12.5A ■ CliQ II Redundancy Module 40A supports output 24-48Vdc and current up to 25.0A ■ Worldwide safety marks in USA, Canada, Europe and Asia For more information, visit www.deltapsu.comCliQ II Redundancy Solutions Upcoming EventsDelta Electronics adds two Redundancy Modules, DRR-20A and DRR-40A to itsCliQ II series of DIN Rail power management products. They are compatible withboth 24Vdc and 48Vdc power supplies, offering redundancy functionality. These Hannover Automation 2011 Location: Bangalore, Indiamodules can also be used for Parallel operation. Dates: 6 – 9 December 2011The Redundancy function ensures zero system down time for the customer when India Packaging Show 2011one of the power supply fails or is being disconnected unexpectedly. Under normal Location: New Delhi, Indiacircumstances, both power supplies are each operating at approximately 50% load. Dates: 7 – 10 December 2011When one fails, the other automatically takes over, thus providing 100% load, andensures that the system continues running. Elecrama 2012 Location: Mumbai, IndiaThe fault relay function alerts the user of any failure through potential free contacts. Dates: 18 – 22 January 2012The LED lights on the Redundancy Modules also indicate the health of eachindividual power supply. IMTEX 2012 Location: Bangalore, India SPECIFICATIONS DRR-20A DRR-40A Dates: 19 – 24 January 2012 Nominal Input Voltage 24 - 48Vdc 24 - 48Vdc Nominal Current 20A 40A FREE NAME CARD HOLDER 24V System: Both Vin 1 & Vin 2 > 18V ± 5% or For our valued distributors. Input Voltage Alarm / < 30V relay contacts While stocks last. Relay Contacts 48V System: Both Vin 1 & Vin 2 > 36V ± 5% or < 60V relay contacts Nominal Output Voltage UN Vin -0.65V (typ.) Vin -0.65V (typ.) Efficiency > 97% typ. > 97% typ.Copyright © 2011 Delta Electronics, Inc | www.deltapsu.com
  • 2. Issue Date: November 30, 2011 Typical Redundancy Application LOAD Com Terminal PSU 1 PSU 2 DRR-20A/40A KEY + Output - Common Signal DC OK Signal L (L1) Terminal L (L2) PEHow to Install CliQ II 24Vdc Redundancy Module:Step 1. measuring 24.15Vdc and PSU 2 is connected to load. If not, adjust themMeasure the output voltages at no measuring 24.25Vdc, adjust the as described in Step 2. A difference ofload from Vin 1 to Com i.e. Voltage output voltage of one to be the same both PSU ± 25mV is acceptable.Vin 1 to Com and Voltage Vin 2 to as the other.Com of Redundancy module. If thevoltages are not the same, follow Step 3. *The Redundancy Modules can be Connect the PSU to the end system used for all PMC 24V, CliQ 24V, CliQStep 2. If same, skip to Step 3. load and measure the output voltages II 24V and 48V models.Step 2. from Vin 1 to Com i.e. Voltage Vin 1 toAdjust the output voltages, with the Com and Voltage Vin 2 to Com of For further enquiries, please visithelp of VR on the Power Supply front Redundancy module. Ensure that the www.deltapsu.com or emailpanel marked as ADJUST, to the output voltages are the same even vl@delta.co.th.same level. For example, if PSU 1 is after the 2 Power Supplies are Alternative Applications Fig.1: Single Use Fig.2: N+1 Redundancy PSU PSU PSU PSU PSU PSU PSU PSU Vin Vin Vin Vin Vin Vin Vin Vin Vin Vin Vout Vout Vout Vout Vout Load LoadCopyright © 2011 Delta Electronics, Inc | www.deltapsu.com