External Linear Power Supply User's Manual ELE-C58J-501
Contents
1. 7A HAD15 0 4 A 15Va power 0 4A HAD12 4 A 24V External Fan N A 1 Note that configuration suggested here can power up I MCE If you use HB12 3 4A then you can use these supplies to drive up to 2 MCEs The 15V output is only needed for older MCE hardware i e RC Rev B AC Rev B Lower Deck of Power supply cabinet has two pre set Kepco JQE series power supplies The front panel adjustments have been locked with aluminum bars Do not remove these or unscrew the set screws Part Number Function Current output JQE6 22M 2V5d power 22A JQE15 25M 6V7a power 25A The listed current output values are from the manufacturer of the modules within the cabinet and do not take into account parasitic losses from cables and interconnects For further details on the power supply modules that make up the power supply refer to WWw power one com www kepcopower com For JQE6 22M see Kepco Instruction Manual Doc M576220 Rev 19 included For JQE15 25M see Kepco Instruction Manual Doc M607540 Rev 24 included Fuses for the Upper Shelf modules F1 10A SLO BLOW F2 1A SLO BLOW F3 0 5A SLO BLOW F4 0 5A SLO BLOW F5 0 5A SLO BLOW F6 0 5A SLO BLOW Removal of Upper Shelf Turn OFF the power supply Switch OFF ANALOG CORE LOGIC MAIN Remove All external connections to the power supply REAR Disconnect the DC power connections from the two Kepco s Unplug the AC line cords from the U2. External Linear Power Supply User s Manual Revision 2 0 Nov 24 2010 ELE C58J 501 Rev Date Author Description of change A 2010 03 30 TF formerly called SC2 ELE S58J 501 2 0 2010 11 24 MA Took 5V supply out added part number for high current 6 2V DO NOT OPEN THE CABINET or TAMPER WITH THE LOCKING BARS THAT ARE ON THE FRONT OF THE KEPCO SUPPLIES DO NOT USE ANY FRONT PANEL TIP JACKS TO SUPPLY POWER TO EXTERNAL CIRCUITRY HOOK UP THE EXTERNAL FANS CABLE PRIOR TO POWERING UP THE SUBRACK ENSURE THAT THE AC POWER CORDS FOR THE KEPCO SUPPLIES ARE BOTH PLUGGED INTO THE REAR PANEL ENSURE THAT THE DC POWER CORDS FROM THE REAR PANEL ARE FASTENED TO THE KEPCO SUPPLIES Switching sequence for ON MAIN LOGIC CORE ANALOG switch from Left to Right Switching sequence for OFF ANALOG CORE LOGIC MAIN switch from Right to Left The overall mechanical dimensions of the power supply excluding foldable handles is Height 16 0 Width 21 0 Depth 24 5 Weight 139 5lbs The schematics of the power supply unit can be found in Linear Power Supply Wiring Diagram ELE_C58J_001 The pin out of both DC output power cables is identical This means that the cables can be swapped without any concern The pin out of the Amphenol connectors on the rear panel is listed in figure 6 The output voltages are as follows 2V5d 4V5d 6V7a 6V7a 15Va Note that 15Va is only needed when usin
3. g older MCE hardware There are aluminum bars that lock the voltage and current adjustment on the Kepco supplies found on the lower portion of the 8U high cabinet Do NOT remove the bars or adjust the knobs The voltage and current levels on the Kepco supplies have been pre set There are tip jacks on the front panel that allow the user to read the output voltages and currents of the supply DO NOT USE THE TIP JACKS TO SUPPLY POWER TO EXTERNAL CIRCUITRY The 2V5d and 6V7a supplies have panel meters for current monitoring and tip jacks for voltage monitoring on the front panel The 4V5d 6V7a 15Va have jacks that the user can measure both voltage and current The COMMON labeled Black tip jacks refer to the current and voltage tip jacks above them They are not common to each other or any tip jacks in other columns Voltage measurement is done using a DVM connected to the VOLTAGE and COMMON jacks and is read directly with no conversion factor Current is measured as a voltage read across the appropriate shunt resistor for the circuit in question The 4V5d and 6V7a power supply circuits express measured current values as 1 OmV A The 15Va power supply circuits express measured current values as 100mV A The Upper removable shelf of the power supply is populated with the following linear power supplies by power one Part Number Function Current output HC5 6 OVP 4V5d power 6A HB12 1 7 A 6V7a power 1
4. pper Shelf Rear Panel Remove the INNER 4 x 10 32 PHI screws that hold the Rear Panel to the inverted U shaped Aluminum Keeper Plate FRONT Remove 4 x 10 32 PHI screws that fasten the grill to the front panel to the mounting rails Remove the Grill components Remove the OUTER 4 x 10 32 PHI screws that fasten the Front Panel to the Mounting Rails SLOWLY pull out the Upper Shelf Ensure the DC Power connectors at the rear do not snag on the perforations of the Kepcos cabinets Installation of Upper Shelf is the reverse of removal
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