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UG:119 

Page 15

Interface Connections

Chassis Input Power Terminals (J9) 

Input AC power is applied to terminal block J9 using a pressure screw terminal that accepts a maximum 
wire size of 14AWG. The insulation should be stripped 0.35in and the maximum torque applied to the 
screws should not exceed 4.4lb.in. 
The connector manufacturer recommends the wires not be tinned. A ferrule (Phoenix P/N 32-00-58-0, 
purchased from other sources) can be used to prevent fraying. J9-1 (GND) is Earth Ground for safety; 
J9-2 (L2) and J9-3 (L1) are the other Hot connections. For Input DC power, L2 is (+) and L1 is (–). 

A fault clearing device, such as a fuse or circuit breaker with a maximum 15A rating at the power supply 
input is required for safety agency compliance. It should be sized to handle the start-up inrush current of 
25A

PK

 at 115V

RMS

 and 230V

RMS

.

Output Power Connections (+P, –P for Single Output, or J1A/J1B for Dual Outputs)

For single output ConverterPACs, these terminals are two 1/4-20 plated steel studs. The upper stud 
is positive with respect to the lower stud. For dual output ConverterPACs, there is a six-pin Molex 
connector for each output. J1A (M2) pins 1 and 4 are the +Output, and J1A pins 2 and 5 are the 
–Output. Pins 3 and 6 are duplicates of the Remote Sense terminals present on J2A and J2B. Use 
appropriate wire size rated to handle the full output current, including short-circuit levels. Avoid large 
current loops in output cables; run power and return cables next to one another to minimize inductive 
effects. All outputs are isolated and can provide positive or negative outputs.

/–Sense Connections –J2 for Single Output, or J1A/J1B for Dual Outputs  

Newer power supplies may have some outputs configured with the Autosense feature that automatically 
locally senses the output if remote sense is not used. To check if an output has the Autosense feature, 
measure the impedance from the + Out to +Sense and –Out to –Sense pins. If the impedance is 5

Ω

then the output has Autosense and does not require local-sense jumpers.

If units do not have Autosense, sense connections must be made. When making sense connections, 
keep in mind that although all outputs are open-Sense protected, the +/–Sense terminals MUST 
be connected to their respective outputs before the PFC MegaPAC-EL™ and PFC MegaPAC-HPEL™ 
are powered up. (NEVER disconnect the +Out and –Out load wires while the supply is operating as 
disconnecting WILL cause damage to the power supply). Regardless of the output polarity configured, 
the +Sense should always connect to the +Power output. The –Sense connects to the –Power output. 
Sense connections are not required on booster ConverterPACs™ or if the Local Sense option is specified 
(old units). Local Sense mode means that the Remote Sense lines are not connected. Sense pins can be 
accessed on J1A/J1B or J2A/J2B on dual output units. 

 INPUTS

DO NOT 

WITHOUT 

EARTH

GROUND

L2

115/230V

AC

300V

DC

INPUT CONNECTIONS

J9-1 EARTH GROUND

J9-2 L2-NEUTRAL

J9-3 L1

L1

47 – 500 Hz

OPERATE

47 – 500Hz

300V

DC

115/230V

AC

L2

 INPUTS

L1

OPERATE

GROUND

EARTH

WITHOUT 

DO NOT 

NOTE: SET SCREW MAXIMUM

TORQUE = 4.4IN.LBS

TORQUE = 4.4IN.LBS

NOTE: SET SCREW MAXIMUM

LABEL NO: 94-00046 REV B

LABEL NO: 94-00046 REV B

J10

Figure 3

 

Input panel connectors

Содержание PFC MegaPAC-EL

Страница 1: ...t voltage is needed upgrading is easy simply unlock a single screw and replace the slide in ConverterPAC assembly with one that is of the same length and has the desired voltage power rating For additional flexibility ConverterPACs can be connected in parallel to increase output power booster ConverterPACs or in series for higher voltages total output voltage should not exceed 400V The driver is t...

Страница 2: ...tions meet Class B Contact factory n n Harmonic Distortion to EN61000 3 2 n n RoHS compliant available n n Output Sequencing and General Shutdown General Shutdown refer to Page 17 Output sequencing refer to Page 28 Consult Applications Engineering for automatic sequencing circuitry n n Overcurrent protection on all outputs n n Overvoltage protection on all ConverterPAC outputs not applicable with ...

Страница 3: ...nged nuts is 45lb in Never loosen the inner nut on a ConverterPAC This nut supports the hardware inside the ConverterPAC and is factory torqued Avoid applications in which the unit is exposed to excessive shock or vibration levels In such applications a shock absorption mounting design is required MegaPAC Dos and Don ts n n For units without Autosense do not leave ConverterPAC Sense lines open Alw...

Страница 4: ...rrent is passed through an EMI filter designed to meet conducted noise limit A specifications of FCC Part 15 VDE 0871 and EN55022 Class A At start up inrush current is limited by a PTC thermistor The PTC is shunted out shortly after initial power up by a DC bus voltage Sense circuit driving a relay After rectification the input voltage is put through a boost converter that keeps the AC input curre...

Страница 5: ...sliding the assemblies in or out of a MegaPAC chassis For outputs greater than 200W a driver QPAC and one or more booster ConverterPACs will be used For outputs greater than 600W a driver FinQPAC and one or more booster ConverterPACs will be used Arrays of drivers and boosters should be configured so all boosters are placed in the slots to the immediate right of the driver when looking at the outp...

Страница 6: ...ediate right of the driver as viewed from the output end of the MegaPAC Figure 2 shows a driver placed in slots 1 and 3 boosters placed in slots 2 4 After inserting the driver and boosters they are paralleled using bus bars across the positive and negative output studs Drivers should not be paralleled with each other Bus bars between a driver and booster s should never be disconnected For help in ...

Страница 7: ...PAC output assembly consists of two VI J00 DC DC converters that provide two isolated output voltages DualQPACs can provide up to 100W of output power from each output The DualQPACs are fused with a PC Tron DC rated fast acting fuse An active preload ensures the DC DC converter operates in its highest noise performance range OVP and OTL is not available Please note that for the QPAC L the output v...

Страница 8: ...i OTL is non latching a See Pages 11 and 12 for more information on Autosense Note All ConverterPACs mentioned above can be paralleled EXCEPT the DualQPAC and JuniorQPAC Part Numbering PFC MegaPAC EL MPxA 7xBxxxx xC xD eg MP5 782560 G EL PFC MegaPAC HPEL MXxA 7xBxxxx xC xD eg MX4 742543 2 EL MP MegaPAC prefix xA number of outputs 7 power factor corrected xC optional code ex G RoHS MX PFC MegaPAC H...

Страница 9: ...t adjustment F6 70 110 output adjustment T5 98 105 output adjustment F7 80 110 output adjustment T6 100 110 output adjustment F8 90 110 output adjustment V1 VXI low noise 150mV 15V VOUT 24V outputs e F9 100 110 output adjustment V2 VXI low noise 50mV VOUT 15VDC I Industrial Grade module V3 VXI low noise 1 ripple VOUT 24V K Custom SRF module used P Preload b D option Optional for all ConverterPACs ...

Страница 10: ...OOD INVERTED N C VCC IN 5 3 2 4 6 7 J2 PIN1 OUTPUT CONNECTORS J1 B J1 B PIN1 M1 3 R SENSE 6 R SENSE 3 R SENSE 6 R SENSE J1 A 5 6 J1 A PIN1 M2 4 2 AND 5 VOUT 2 3 1 AND 4 VOUT OUTPUT CONNECTORS 1 6 4 5 3 1 AND 4 VOUT 2 AND 5 VOUT 1 2 CRIMP TOOL MOLEX P N 11 01 0197 HOUSING MOLEX P N 39 01 2060 TERMINALS MOLEX P N 39 00 0039 MATING HDWR HOUSING MOLEX P N 39 01 2060 CRIMP TOOL MOLEX P N 11 01 0197 TER...

Страница 11: ... nuts are properly installed before turning on supply Installing power connectors on DualQPACs J1A M2 and J1B M1 n n Use Molex mating receptacle 39 01 2060 with 39 00 0039 terminals provided n n Pins 1 and 4 are Positive while pins 2 and 5 are the Return n n Attach terminals to 18 24AWG stranded wire using Molex tool 11 01 0197 Sense Connections Newer power supplies have the Autosense feature For ...

Страница 12: ...nse lines are not cross connected before applying input power Trim Pin Connection J2 for QPACs and P2 for FinQPAC n n The Trim J2 connection should only be made if the Trim option has not been installed A T or an F in the ConverterPAC part number means the Trim option is installed eg M5V 40AT n n For the QPAC refer to J2 Connector J2 5 provides Trim Access n n For the FinQPAC refer to P2 Connector...

Страница 13: ...lex mating receptacle 39 01 2120 with 39 00 0039 terminals n n J10 1 through 8 are Enable Disable for slots 1 8 n n J10 9 is VCC J10 10 is Signal Ground J10 11 is AC Power OK and J10 12 is General Shutdown n n Attach terminals to 18 24AWG stranded wire using Molex tool 11 01 0122 SENSE POWER GOOD SIGNAL GROUND POWER GOOD INVERTED VCC IN 2 1 3 TRIM 4 5 SENSE 7 6 DC OK Power Good Connection on the J...

Страница 14: ...AND PANEL FAN DIRECTION OF AIR FLOW OPTIONAL 6 04 153 42 3 37 85 60 5 100 129 54 470 11 94 21 5 33 2 92 74 17 10 01 254 25 21 5 33 2 92 74 17 25 6 35 10 01 254 25 15 62 396 81 15 50 393 63 2 75 69 85 10 01 254 25 15 18 385 69 53 13 39 41 10 35 NOTE SET SCREW MAXIMUM TORQUE 4 4IN LBS TORQUE 4 4 INCH POUNDS NOTE SET SCREW MAXIMUM LABEL NO 94 00046 REV B LABEL NO 94 00046 REV B 3 28 83 19 1 40 35 56 ...

Страница 15: ...ts All outputs are isolated and can provide positive or negative outputs Output Sense Connections J2 for Single Output or J1A J1B for Dual Outputs Newer power supplies may have some outputs configured with the Autosense feature that automatically locally senses the output if remote sense is not used To check if an output has the Autosense feature measure the impedance from the Out to Sense and Out...

Страница 16: ...be controlled The Enable Disable pins must be pulled low to less than 0 7V with respect to Signal Ground to disable the outputs They will sink 10mA maximum These pins should be open circuited or allowed to exceed 4 5V when enabled Do not apply more than 6V to these inputs at any time If driven from an electromechanical switch or relay a capacitor should be connected to eliminate the effects of swi...

Страница 17: ...n 0 7V and will sink 13mA maximum to shut down all outputs The GSD pin should be open circuited or allowed to exceed 4 5V when not in use or when the outputs are to be enabled Do not apply more than 6V to this input at any time Normal open circuit voltage is 1 5 3V with respect to Signal Ground If driven from an electromechanical switch or relay a capacitor should be connected to eliminate the eff...

Страница 18: ...o the J3 1 Signal Ground pin of the ConverterPAC Power Good J2 3 P2 3 The optional Power Good signal on J2 3 P2 3 is referenced to Signal Ground on J2 1 P2 1 and indicates the status of the output voltage This signal is asserted a TTL 1 when the output voltage is above 95 of nominal It is a TTL 0 when the output voltage is below 85 of nominal If the Trim option is also used the Power Good trip poi...

Страница 19: ... case the power supply will provide regulation at the output terminals The voltage appearing at the load may drop slightly due to voltage drop in the power cables If it is necessary to compensate for voltage drop along the output power cables this termination should be made close to the output load Compensation of up to 0 5V 0 25V per lead can be obtained Use twisted pair 22 24AWG wire for this pu...

Страница 20: ...rol the output voltage It is referenced to the Sense pin on J2 and can be controlled by either a resistor network or an external voltage source To increase an output voltage above its nominal it is necessary to increase the voltage at the Trim pin above the internal reference voltage VREF The reverse is true to decrease an output voltage Note Converters are sometimes pretrimmed at the factory if a...

Страница 21: ...5V And since IR5 IR6 25mA R6 VR6 IR6 2 25V 25mA 90kW V2 V1 VR6 2 75V 2 25V 5V IR7 V2 R7 5V 10kW 500mA IR8 IR7 IR6 525mA VR8 VNOM 10 V2 13 2V 5V 8 2V Given VNOM 12V R8 VR8 IR8 8 2V 525mA 15 62kW Using the above resistor combination a 12V output can be trimmed externally up to 13 2V and down to 10 8V For further information on external trimming refer to Chapter 5 of the VI 200 VI J00 Design Guide an...

Страница 22: ... Line Regulation f Maxi 0 20 max to 0 3 max LL to HL Full Load Load Regulation f Maxi 0 1 No load to full load VI 200 VI J00 Set Point Accuracy f 1 for standard voltages 2 for special or adjustable voltages Maxi Setpoint Accuracy 1 for standard voltages 2 for special adjustable voltages and 48VDC outputs Ripple and Noise 0 15 or 10mVP P whichever is greater 75 min load Output Trim Range 10 110 of ...

Страница 23: ...normal output voltage g The maximum operating temperature is 40 C If using a VI 200 with output voltage less than 12V and more than 150W the operating temperature decreases to 35 C This also applies when using a FinQPAC with output voltage less than 24V and more than 500W Output Studs New more robust output studs with a 3 1 safety margin at 45lbs in were installed in ConverterPACs the slide in ass...

Страница 24: ... 0073 4 8 HOUSING 4 POS 098 CTR L PROFILE MOLEX 39 01 0043 5 94 TERMINAL FEM CRIMP 22 18AWG PH BRNZ MOLEX 39 01 0031 CRIMP TOOL FOR ITEMS 3 4 MOLEX 00 01 0197 6 8 HOUSING 3 POS 1 CTRS W LATCH MOLEX 50 57 9403 7 27 TERMINAL FEM CRIMP 22 24AWG SEL GLD MOLEX 16 02 0103 CRIMP TOOL FOR ITEM 7 MOLEX 11 01 0118 ITEMS FOR REFERENCE ONLY NOT INCLUDED IN KIT Connector Kit for Dual Outputs only MegaPAC Famil...

Страница 25: ...ive Output power rails This accuracy translates to a 1 current sharing if there is a total of 100mV conductional voltage drop in the negative return path Constructed as a current source to drive the Trim pin of a Vicor module the design uses an accurate comparator circuit to monitor the power returns In addition the circuit is unidirectional and can only trim an output voltage up The benefit is th...

Страница 26: ...or proper operation 50 100mV of drop will provide from 5 to 1 accuracy 3 V1 and V2 for all box to box circuits must be connected directly at the negative output power studs or terminals to achieve accurate current sharing 4 D can be added if redundancy is needed If redundancy is not required D can be replaced with direct wire connections 5 When using D the Power input should be connected on the ca...

Страница 27: ...our non plated through holes with standoffs for mounting 5 CSB01 MUST be used for current sharing VI 200 VI J00 converters VI 200 J00 6 CSB02 MUST be used for current sharing Maxi converters Maxi Mini and Micros PLEASE NOTE THE CSB IS NOT INTENDED FOR HOTSWAP APPLICATIONS Contact your Regional Applications Engineer a apps vicorpower com for additional information P1 24 0 1 0 Power T1 V1 T2 V2 Red ...

Страница 28: ...tween the Power Good Connector J3 of a 5V QPAC and the Input Interface Connector J10 of a typical PFC MegaPAC EL configuration In this example the 3 3V QPAC is located in the slot 7 and the 5V QPAC with the DC OK option is located in slot 8 In order for the Power Good option to properly function it requires a 5V source to provide the necessary VCC pull up This 5V source is conveniently available u...

Страница 29: ...nector 4 3 2 1 J3 J3 4 VCC J3 3 Power Good J3 2 Power Good Inverted J3 1 Signal Ground Pin DC OK Power Good 5V with D option DC OK 1 2 3 4 5 6 7 8 3 3V Output 1 12 2 11 3 10 4 9 5 8 6 7 L 1 L 2 Figure 17 Output sequencing wire interconnect ...

Страница 30: ...ut Channel 2 3 3V Output Channel 3 5V DC OK signal 5V Output 5V DC OK 3 3V Output 5V Output 5V DC OK 3 3V Output Figure 18 Start up waveforms Figure 19 Shut down waveforms 5V Output 5V DC OK 3 3V Output 5V Output 5V DC OK 3 3V Output ...

Страница 31: ...d custom power systems Vicor designs and builds configurable power supplies incorporating its high density DC DC converters and accessory components This product line includes LoPAC FAMILY n n PFC MicroS n n PFC Micro n n PFC Mini MegaPAC FAMILY n n PFC MegaPAC n n 4kW MegaPAC n n PFC MegaPAC High Power n n PFC MegaPAC Low Noise High Power n n PFC MegaPAC EL Low Noise n n Mini MegaPAC n n Converte...

Страница 32: ...sole responsibility to determine whether the Vicor product is suitable and fit for your applications and products and to implement adequate design testing and operating safeguards for your planned application s and use s VICOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED FOR USE IN LIFE SUPPORT LIFE CRITICAL OR SAFETY CRITICAL SYSTEMS OR EQUIPMENT VICOR PRODUCTS ARE NOT CERTIFIED TO MEET ISO ...

Страница 33: ...2903 2 WX1 7414495 2 EL MP2 775969 MP3 74513 WM2 1213236 MX7 773655 2 MX1 7415795 G MP1 786632 MX1 7414879 2 MP7 77537 WP5 752972 EL WX3 493521 2 MX6 7812850 G WM5 15664 WP5 784279 MX4 7411715 2 MX5 7913050 2 MX1 7716791 MI MP1 749464 EL WP6 76509 EL MX2 7411399 2 EL WX4 7713834 2 MX5 7813461 MI MX4 7810306 2 MX1 7815998 2 MP2 767611 G WX6 7611742 G MP7 773864 WP4 74582 MP4 766258 MX4 7616249 2 MX...

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