RELIANCE ELECTRIC
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Dimensions:3.3 cm x 12.5 cm x 13 cm
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Part Number: 0-60007-2
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Product Package:Original Package
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Weight: 0.3KG
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Product Description: POWER SUPPLY MODULE
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Shipping Term:TNT DHL FEDEX EMS UPS
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The Power Supply module contains 5V and +/- 18V power supplies.The +/-18V arepost-regulated to the voltages required by each module.
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When the Power Supply module powers up, it executes a "soft start," gradually increasing theoutput voltage until it reaches the voltage necessary for logic operations.The 5V and +/-18Vsupplies are monitored by the PMI Processor via the backplane.When the backplane voltages areabove specified levels (4.75V and +/-15.5V, respectively), the PMl Processor will turn on the “PWROK" LED on the faceplate of the Power Supply module.
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lf the A-C line is lost for more than 25 milliseconds, the 5V line will begin to drop. When it falls below4.75V, the PMl Processor generates a signal to shut down the rack and turns off the “PWR OK" LEDon the Power Supply module.The PMl Processor module's power supply monitor circuit is
I/O signal Input: 1 to 5 V (allowable common mode voltage ±1 V or less) Allowable input current/ voltage ±7.5 V
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0-60007-2
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Internal current-limiting circuitry prevents a short circuit on either output from damaging the supply.The input fuse is not user-serviceable. lif the fuse blows, it indicates a problem with the Power
Supply module and the module should be replaced.See figure 3.2 for a typical input power signal.The Power Supply module contains a solid-state airflow switch to monitor the airilow through therack.Bit 12 of UDC register 203/1203 will be set if airflow is not being sensed.
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