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Westcor

MicroPAC

USER GUIDE | UG:102

March 2013

Before Using the MicroPAC Power Supply

Be sure to read this design guide manual thoroughly before using this product.
Pay attention to all cautions and warnings.
Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard.

Warning

Do not operate the without a secure protective earth (PE) lead

connected to the input power connector.

Do not operate the MicroPAC with AC input without inserting

a correctly rated Vac fuse.

Do not operate the MicroPAC with DC input without inserting a correctly

rated Vdc fuse.

Do not obstruct the fan air intake or air exhaust.

(Care should be taken when connecting cabling).

Do not connect or disconnect the Out or –Out cabling

while the MicroPAC is in operation.

Always make sure the output screws are properly torqued [15 inch-lb]

before applying power.

Contents Page

Mechanical
Considerations 2

Product
Description 2

Technical
Description 4

Output Power
De-rating Curve

MicroPAC to MicroPAC
Configuration 6

Power Shed Mode

Power Shed Mode
Functional Description

No Load
Power Dissipation
with and without
Power Shed Mode

Field Replacement Unit 10

Customer Interface

J2 Customer

Interface Signals

Mechanical 16

Front Panel

Model
Numbering Scheme

Specifications 19

Содержание MicroPAC

Страница 1: ...oPAC with DC input without inserting a correctly rated Vdc fuse n Do not obstruct the fan air intake or air exhaust Care should be taken when connecting cabling n Do not connect or disconnect the output Out or Out cabling while the MicroPAC is in operation n Always make sure the output screws are properly torqued 15 inch lb before applying power Contents Page Mechanical Considerations 2 Product De...

Страница 2: ... with high efficiency and power density The MicroPAC boasts a power density of 25 Win3 and efficiency up to 92 the power supply is available in a wide temperature range configuration and for harsh environments and mil cots applications conformal coated All configurations carry full safety agency approvals i E Ul60950 en60950 and are CE marked The MicroPAC power supply platform supports a wide rang...

Страница 3: ...Supply n Wave 40G 11 mS n Output parallel capability n Temperature Range 20 C to 55 C 65 C 50 load Optional Features n Extended temperature range 40ºC to 55ºC operation 65 C 50 load n Conformal coated n Power shed Mode AML Approved Manufacturing List VAC Volts Alternating Current VDC Volts Direct Current BCM Bus Converter Module PE Protective Earth LED Light Emitting Diode EMI Electro Magnetic Int...

Страница 4: ...4 Vrms 47 400 Hz 120 300 Vdc External 15 A fuse required DC AC MicroPAC Chassis PE PE PE BCM_1 BCM_1 BCM_1 Boost Converters So Start Isolated Output Isolated Output Isolated Output Isolated Output Isolated 5 Vdc 500 mA 12 V 5 V BCM control Technical Description The MicroPAC power supply is designed to operate using a single phase voltage source input between 85 Vrms and 264 Vrms or 120 to 300 V dc...

Страница 5: ...re normally rated for 12 A continuous current draw and 15 A peak current draw With this in mind it is necessary to institute a power de rating curve to maintain the operational range of the MicroPAC within these boundaries 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 850 895 940 985 1030 1075 1120 1165 1210 1255 1300 Output Power Watts AC Input Vrms Output Power W Figure 2 Output ...

Страница 6: ...rface connector should be daisy chained together on each MicroPAC in the array The GSD signal Pin 8 should also be daisy chained together and be used to turn on all outputs at the same time The current sharing is achieved by using the droop sharing method and produces in the order of 5 10 current sharing accuracy contact factory for details It is important to note that following good cable routing...

Страница 7: ...ng is an alternative method of power shedding incorporated within the MicroPAC Power Shed Mode Prerequisites n Slots 1 to 4 must be populated n All outputs must be the same voltage n All slots must be configured in a parallel array n Current rate slew rate not to exceed 20 8 A s n The PSM is not suitable for constant dynamic loads Configuring Power Shed Mode The Power Shed Mode is factory configur...

Страница 8: ...d falls into category 2 the following will be observed After 5 seconds output 4 will turn off after 10 seconds output 3 will turn off output 1 and 2 will remain on If the customer load falls into category 3 the following will be observed After 5 seconds output 4 will turn off output 1 2 and 3 will remain on If the customer load falls into category 4 all output will remain on Output 1 Output 2 Outp...

Страница 9: ...hat need No Load Power Dissipation with and without Power Shed Mode 1 2 3 4 5 7 5 10 12 5 15 17 5 20 22 5 25 27 5 30 7 06 7 055 7 05 7 045 7 04 Power Shed Mode Disabled Power Shed Mode Enabled Number of BCM s Power Wa s Power Wa s 1 2 3 4 5 8 11 14 17 20 23 26 29 32 35 8 26 8 255 8 25 8 245 8 24 Power Shed Mode Disabled Power Shed Mode Enabled Number of BCM s Power Wa s Power Wa s Figure 5 No Load...

Страница 10: ...9474 Page 10 Field Replacement Unit Figure 6 Fan Assembly 1 1 ASSY FAN AVC DV 12M 40X28MM 14 4 CFM 10 130240 01 2 1 ASSY FAN SANYO DENKI 40C J SPEED 40X28MM 18 4 CFM 10 130241 01 Table 3 Field Replacement Unit Westcor Item QTY Description Part Number ...

Страница 11: ...e four screws Ref 4 The fan guard and fan are now free from the back panel 9 Insert new fan making sure the arrow Ref 3 is pointed in the direction shown Towards the inside of the MicroPAC 10 Replace fan guard in the correct orientation Ref 5 11 Replace 4 screws Ref 4 The torque on these screw should be 5 6 inch lb Friction tight 12 Insert fan connector ref 7 into the fan housing When inserted cor...

Страница 12: ...x 11 01 0199 Figure 7 Input Power Connector Pin Designation AC Use Only Pin Designation 1 Live L1 2 Neutral L2 3 Protective Earth PE Figure 8 Input Power Connector Pin Designation DC Use Only Pin Designation 1 DC L1 2 DC L2 3 Protective Earth PE Figure 9 Customer Interface Pin Designation J2 Table 4 Connector Kit 19 130066 Material List Pin Function 1 5 V 2 0 V 5 V Return 3 ED 1 4 Overtemperature ...

Страница 13: ... at full load Overtemperature Shutdown Latching Pin 4 The same pin is used as the overtemperature warning At approximately 56 C if running at 100 load the overtemperature shutdown is triggered The fault LED previously illuminated a solid yellow due to the overtemperature warning will now begin to flash at approximately 2 Hz All outputs of the MicroPAC will be automatically disabled The power suppl...

Страница 14: ...erenced to pin 2 In the event of the fan failing the detection circuit will shut the MicroPAC down and illuminate the fault LED red Pin 9 will go from logic high to logic low level during this event The MicroPAC will be latched in this condition until power is removed for 30 seconds upon reapplying power if the fault is still persist the power supply will latch in the shut down mode until the faul...

Страница 15: ... OVER TEMPERATURE WARNING Pin4 250mS 250mS 250mS 250mS 2 Hz Pulse 0V 5V 5V Pin1 ED 2 Pin10 ED 3 Pin5 0V ED 1 Pin3 GSD Pin8 STANDBY MODE Pin7 ED 4 Pin12 BCM 1 DISABLED BCM 2 DISABLED BCM 3 DISABLED BCM 4 DISABLED ALL BCM S DISABLED STANDBY MODE 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 0V Pin2 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V OVER TEMPERATURE SHUTDOWN Pin4 ...

Страница 16: ...T 151 OR RCY21151 FOR J2 FROM OUTSIDE SURFACE OF CHASSIS 125 AIR FLOW 10 12 3 11 CH 1 5 WESTCOR MATING CONNECTORS KIT P N 19 130066 INTERFACE CONNECTOR PIN NUMBER FUNCTION 1 5 VOLT 2 0 VOLT 3 ENABLED DISABLED 1 4 OVER TEMPERATURE WARNING 5 ENABLED DISABLED 3 6 A C OKAY 7 STANDBY MODE 8 GENERAL SHUTDOWN 9 FAN FAULT 10 ENABLED DISABLED 2 11 NOT CONNECTED 12 ENABLED DISABLED 4 CH 3 CH 2 CH 4 SEE DETA...

Страница 17: ...SD Yellow Green FLT Fan Fault Red Overtemperature warning Yellow Overtemperature shut down 2 Hz Flashing Yellow PWR AC OK Blue Standby Amber Front Panel Figure 12 LED Indicator Panel LED Panel PWR AC_OK STANDBY FAN_FLT OVER TEMP OVER TEMP SHUTDOWN GSD CH 1 4 Disable CH 1 4 DC_OK LED Customer Interface Connector CH1 CH2 CH3 CH4 Table 5 LED Function LED Function Function 1 Color 2 Color ...

Страница 18: ...The fan is a 40 C capable unit standard TTL signaling and the unit is non RoHS U P a b b b b c d e Output Configuration Fill in character from chart below for each output b Vout Watts b Vout Watts A 12 300 G 48 325 B 12 600 H 48 650 C 12 900 I 48 975 D 12 1200 J 48 1300 E 24 600 K 36 900 F 24 1200 T 28 600 P 14 300 U 28 1200 Q 14 600 M a a R 14 900 Z b b S 14 1200 a M defines a slot with an air bl...

Страница 19: ...EC 61000 3 2 Isolation Meets IEC 60950 Leakage current 3 5 mA 264 Vac 63 Hz Hold up time 20 mS typical Warranty 2 Years Output Number of outputs 1 to 4 Normal output voltages 12 V 14 V 24 V 28 V 36 V and 48 V contact factory for details Maximum output current 100 A 12 V 85 7 A 14 V 27 A 48 V Auxiliary output 5 V 0 5 A 50 mV p p Voltage regulation 12 V 3 typical 14 V 3 typical 48 V 2 typical Ripple...

Страница 20: ... 61000 4 4 TRANSIENT EFT Burst 1 kV AC leads 500 V DC leads 5 50 nsec 5 kHz rep rate pc B IEC 61000 4 5 SURGE Power line Surge AC in 2 kV CM 1 kV DM DC in 500 V CM DM 1 2 μSec pc B EN 61000 4 6 RF Common Mode Input leads AC DC leads 0 15 to 80 MHz CDN 150 kHz to 80 MHz 3 Vrms with 80 AM 1 kHz pa A EN 61000 4 2 Electrostatic Discharge 4 kV Contact 8 kV Discharge pc B ELECTROSTATIC EN 61000 4 3 RF E...

Страница 21: ...Vicor disclaims any and all liability arising out of the application or use of any product or circuit and assumes no liability for applications assistance or buyer product design Buyers are responsible for their products and applications using Vicor products and components Prior to using or distributing any products that include Vicor components buyers should provide adequate design testing and op...

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