Home

kepco® operator`s manual

1. 3 3 3 7 Setpoint Monltors 5 Lncret ia clio 3 3 3 8 Overvoltage Protection 3 4 3 9 GCurrenbElmit Characteristic tci ibi 3 5 3 10 C rrent Walk in Circ it os nen 3 6 3 11 SVAUX Floating SUpply cesses s eageecs 3 6 HSP OPR 113012 SECTION 3 12 3 13 3 14 3 14 1 3 14 2 3 14 3 3 14 4 3 15 3 15 1 3 15 2 3 15 3 3 16 TABLE OF CONTENTS PAGE Remote Inhibit Remote Reset 3 7 Module Current Monitor m 3 7 Status Indicators and Status 3 8 Power Indicator Source Power Status Flags seen ene 3 9 DCFAIL Indicator and Output Status emen eene 3 10 OVERTEMP Indicator and Status 2 3 10 FANFAIL Indicator and Status 3 10 Front Panel Meter M Option 3 10 Voltmeter Operatlon o RE ERE E 3 11 Ammeter Operation eed 3 11 Parallel redundant 3 11 Battery B Option Operation inre E aE A ii 3 12 HSP OPR 113012 LIST OF FIGURES FIGURE TITLE PAGE 1 1 HSP Series Power clie
2. iv 1 2 All Nominal Mains Voltage Temperature 1 3 1 3 1500W Low Mains Voltage Temperature Power 1 3 1 47 Outline Drawing r iris 1 4 2 1 Series Front Panel Controls and 2 1 2 2 Configuration Switch 2 1 2 3 Series Rear Panel nene enne enne 2 2 2 4 Load Connection Method Local Error Sensing sene enm emnes 2 7 2 5 Load Connection Method Remote Error 2 8 2 6 Load Connection Method III Series 2 9 2 7 Load Connection Method IV Parallel Redundant Operation with Hot Swap eene 2 10 3 1 External Resistance Programming of Output 3 2 3 2 External Voltage Programming of Output eren nene 3 2 3 3 External Voltage Programming of Current 3 3 3 4 Current Walk in Characteristic ene rr rre 3 6 3 5 Remote Inhibit Control Operation 3 7 3 6 Timing Diagram for POWER and DCFAIL 3 9 3 7 M Meter Option and B Battery Charger Option Front 3 12 HSP SVC 113012 iii iv LIST OF FIGURES FIGURE TITLE PAGE iv HSP SVC 113012
3. 90 110 130 150 Source Mains Voltage Volts rms FIGURE 1 3 HSP 1500W LOW MAINS VOLTAGE TEMPERATURE POWER DERATING 1 3 NOTES 1 MATERIAL CHAS amp BACKPLATE ALUM 5052 32 COVER THK ALUM FRONT PANEL 0 090 THK FEN A CHASSIS COVER amp BACKPLATE IRIDITE GOLD O 2 B FRONT PANEL GRAY 5 3 DIMENSIONS IN PARENTHESES ARE IN MILLIMETERS 2 Sn 4 TOLERANCES sens o N A BETWEEN MOUNTING HOI o le 3 c B ALL OTHER DIMENSIONS 2 9 w UNLESS OTHERWISE SPECIFIE kt Poeta gt lt 5 MODULE 15 KEYED AS SHOWN IN DETAIL A p DETAIL A UNPLUGGED HOLE DENOTES MODEL ACCEPTED X sid t UNPLUGGED MODEL Ou 3 5V MODELS 5V MODELS SEE NOTE 5 Di 3 12V MODELS DETAL A n 15V MODELS FRONT VIEW REAR VIEW 5 24V MODELS 6 28V MODELS 7 48V MODELS 16 00 406 41 vr 0 187 4 74 wo 0 91 23 09 FULL RADIUS ey 42 9 TOP VIEW 5 34 2 Te De o D Lo 36 9 07 sb 0 094 2 37 1 50 38 16 SIDE VIEW 1 1 2 N WITH OPTIONAL FEET SE THREAD TING 6 20 TYPE BF BT OR S
4. HSPSERIES OPR 113012 2 7 2 7 5 2 LOAD CONNECTION METHOD II REMOTE ERROR SENSING If the load is located at a distance from the power supply terminals or if reactive and or modu lated loads are present remote error sensing should be used to minimize their effect on the volt age stabilization A twisted shielded pair of wires from the sensing terminals directly to the load will compensate for voltage drops in the load interconnection scheme see Specifications for available headroom based on model the termination point of the error sensing leads should be at or as close as practical to the load For these conditions it is also recommended that some amount of local decoupling capacitance be placed at the error sense termination point to mini mize the risk of unwanted pick up affecting the remote error sense function See Figure 2 5 FIGURE 2 5 LOAD CONNECTION METHOD II REMOTE ERROR SENSING 2 8 HSPSERIES OPR 113012 2 7 5 3 NOTES 1 SEE TABLE 1 3 FOR CLAMPING DIODE PART NUMBER LOAD CONNECTION METHOD Ill SERIES CONNECTION Units may be connected in series to obtain higher output voltages Each power supply in the series should be protected by a clamping diode connected in its non conducting direction in par allel with the output this diode protects the power supply outputs against secondary effects in the event of a load short Note that this is NOT the same as the blocking diode used for parallel
5. LIST OF TABLES TITLE PAGE Model Parameters eei dd 1 1 General Specifications c 1 2 ACCESSOTIES tii ade 1 7 Configuration Controls iste ae A i ee 2 1 Connector Pin Assignments tnnc b dan tede dtr nnn 2 2 Status Indicators and Flags nn tae ER Hann ine Eh 3 8 Fault Detector Operation i pom IH 3 10 B Option Fault Detection Window HSP OPR 113012 V LIST OF TABLES TABLE TITLE PAGE vi HSP OPR 113012
6. gt 100A Kepco recommends the use of Bellville style constant tension washers in place of conventional lockwashers NOTE REGARDLESS OF OUTPUT CONFIGURATION OUTPUT SENSE LINES MUST BE CONNECTED FOR OPERATION OBSERVE POLARITIES THE NEGATIVE SENSING WIRE MUST BE CONNECTED TO THE NEGATIVE LOAD WIRE AND THE POSITIVE SENSING WIRE TO THE POSITIVE LOAD WIRE HSPSERIES OPR 113012 2 7 5 1 LOAD CONNECTION METHOD I LOCAL ERROR SENSING The most basic power supply load interface is a 2 wire connection between the power supply output terminals and the load This connection method employs local error sensing which con sists of connecting the error sense leads directly to the power supply s output terminals Its main virtue is simplicity since voltage regulation is maintained at the power supply output the regula tion loop is essentially unaffected by the impedances presented by the load interconnection scheme The main disadvantage is that it cannot compensate for losses introduced by the inter connection scheme and therefore regulation degrades directly as a function of distance and load current The main applications for this method are for powering primarily resistive and rela tively constant loads located close to the power supply or for loads requiring stabilized current exclusively The load leads should be tightly twisted to reduce pick up See Figure 2 4 FIGURE 2 4 LOAD CONNECTION METHOD I LOCAL ERROR SENSING
7. redundant operation Selection of the clamping diode is entirely dependent upon output volt age current parameters The clamping diode must be rated for the maximum voltage and cur rent of the series connection Several clamping diodes in parallel may be required to meet the total current rating The user must also respect the 500V d c maximum isolation from output to chassis when determining the maximum series voltage Figure 2 6 shows a series connection of two HSP power supplies SEE NOTE SEE NOTE 2 FOR RACK ADAPTER CONNECTIONS CONNECT S AND S FROM I O CON Y 4 NECTOR TO RACK ADAPTER V AND D V STUDS RESPECTIVELY AT EACH 2 POPULATED POSITION FIGURE 2 6 LOAD CONNECTION METHOD III SERIES CONNECTION HSPSERIES OPR 113012 2 9 2 7 5 4 LOAD CONNECTION METHOD IV PARALLEL OPERATION Identical HSP power supply models may be connected in parallel in order to provided increased output current to a common load see Figure 2 7 This permits the user to obtain significantly higher load ratings than for a single HSP power supply The number of power supplies required is determined by dividing the required load current by the current rating of the applicable HSP model and rounding up to the next whole number when necessary HSP power supplies incor porate fault detection circuitry which precludes the need for output blocking diodes and utilize active cur
8. 2g Altitude Sea level to 10 000 feet PHYSICAL Dimensions See Figure 1 4 FAN FAIL Red lit when fan failure latch is activated Weight 16 Ibs 7 3Kg Source Connections 3 pin power entry module compatible with IEC 320 C19 molded line cord plug Front Panel Test Points Monitors output voltage and current limit set points allows each HSP Power Supply to be set while operating in any configuration including redundant mode Load Connection Two bus bars and 1 0 x 0 125 inch copper w bright nickel finish Signal Connection 37 pin D subminiature connector male Front Panel Meter Accuracy M Option only Voltmeter 1 Ammeter 10 from 25 to 100 of rated output current FIGURE 1 2 HSP ALL NOMINAL MAINS VOLTAGE TEMPERATURE DERATING HSPSERIES OPR 113012 NOTES 5 Status indicators and status flags are isolated and operate independently although driven by the same detector circuit 6 The POWER DCFAIL fault detector window tracks pro grammed output voltage however the overvoltage protection trip point remains unaffected 7 Form C contacts rated from 30V d c 1A to 60V d c 0 3A HSP 1500W Output Power vs Source Voltage for Various Ambient Temperatures 1500 oe 5 A gt 1300 25 3 a 35 C oy a 45 C _ 2 24 x 50 a 3 o d 900 X
9. 3 5 HSPSERIES OPR 113012 2 1 FIGURE 2 3 TABLE 2 1 CONNECTOR PIN ASSIGNMENTS HSP SERIES REAR PANEL CONNECTIONS PIN NO NAME DESCRIPTION OF FUNCTION REF PAR 1 x NO CONNECTION 2 x NO CONNECTION 3 FFS 1 FAN STATUS NORMALLY CLOSED CONTACT 3 14 4 ACS C SOURCE POWER STATUS COMMON CONTACT 3 14 5 ACS 2 SOURCE POWER STATUS NORMALLY CLOSED CONTACT 3 14 6 x NO CONNECTION 7 RC2 REMOTE INHIBIT NORMALLY LOW INPUT 3 12 8 RC1 REMOTE INHIBIT NORMALLY HIGH INPUT 2 3 12 9 x NO CONNECTION 0 x NO CONNECTION 1 OTS C OVERTEMP STATUS COMMON CONTACT 3 14 2 PSS C OUTPUT STATUS COMMON CONTACT 3 14 3 PSS 2 OUTPUT STATUS NORMALLY CLOSED CONTACT 3 14 4 ISHARE LOAD SHARE SIGNAL BUS 0 5 5V 2 7 6 5 IPROG ANALOG PROGRAMMING INPUT CURRENT 0 10V 3 5 6 x NO CONNECTION 7 VRP 1 RESISTIVE PROGRAMMING INPUT 0 10K 3 3 8 VPROG ANALOG PROGRAMMING INPUT VOLTAGE 0 10 9 3 3 9 S NEGATIVE ERROR SENSE INPUT 2 7 5 20 x NO CONNECTION 21 FFS 2 FAN STATUS NORMALLY OPEN CONTACT 3 14 22 FFS C FAN STATUS COMMON CONTACT 3 14 23 ACS 1 SOURCE POWER STATUS NORMALLY OPEN CONTACT 3 14 24 x NO CONNECTION 25 AUXRTN AUXILIARY SUPPLY RETURN 3 11 26 5VAUX AUXILIARY SUPPLY OUTPUT 3 11 27 x NO CONNECTION 28 x NO CONNECTION 29 OTS 2 OVERTEMP STATUS NORMALLY OPEN CONTACT 3 14 30 OTS
10. 1 4 2 1 Series Front Panel Controls and 2 1 2 2 Configuration Switch inneren enne nnns 2 1 2 3 Series Rear Panel Connections iecit ete 2 2 2 4 Load Connection Method Local Error 2 7 2 5 Load Connection Method II Remote Error 2 8 2 6 Load Connection Method III Series 2 9 2 7 Load Connection Method IV Parallel Redundant Operation with Hot Swap eene 2 10 3 1 External Resistance Programming of Output eene emen 3 2 3 2 External Voltage Programming of Output 3 2 3 3 X External Voltage Programming of Current Limit essen ene 3 3 3 4 Current Walk in Characteristic 000 20000 escis ii ina 3 6 3 5 Remote Inhibit Control 3 7 3 6 Timing Diagram for POWER and DCFAIL 3 9 3 7 M Meter Option and B Battery Charger Option Front 3 12 LIST OF TABLES TABLE PAGE 1 1 Model Parameters iei itte piede qe duet Eds 1 1 1 2 General Specifications tinere pe ere e ie ee oe ee qoe repe v Re pide ee 1 2 E EDU cnl c PER 1 7 2 1 Configuration Controls srasni enii dere it t ted ee
11. 1 OVERTEMP STATUS NORMALLY CLOSED CONTACT 3 14 31 PSS 1 OUTPUT STATUS NORMALLY OPEN CONTACT 3 14 32 IMON ANALOG OUTPUT CURRENT MONITOR 0 5 5V 3 13 33 ISET CURRENT LIMIT SETPOINT MONITOR 0 10V 3 7 34 x NO CONNECTION 35 VRP2 RESISTIVE PROGRAMMING INPUT VOLTAGE 0 10K 3 3 36 VSET OUTPUT VOLTAGE SETPOINT MONITOR 0 10V 3 7 37 S POSITIVE ERROR SENSE INPUT 2 7 5 1 These pins are left blank to provide voltage isolation between output and a 5V aux supply which powers the remote inhibit control circuitry 2 These signals are referenced to auxrtn pin 25 3 These signals are referenced to s pin 19 HSPSERIES OPR 113012 2 3 2 4 2 5 SOURCE POWER REQUIREMENTS This power supply will operate with the installed circuit breaker from single phase a c mains power over the specified voltage and frequency ranges without adjustment or modification Operation from d c power is also available please contact factory for limitations imposed when using d c source power COOLING The power devices used within the HSP power supply are maintained within their operating tem perature range by means of internal heat sink assemblies cooled by an internal cooling fan The cooling method utilizes pressurization rather than evacuation resulting in greater cooling effi ciency and reduced contaminant collection within the enclosure ALL INLET AND EXHAUST OPENINGS AROUND THE POWER SUPPLY CASE MUST BE KEPT CLEAR OF OBSTRUC TION TO E
12. 2 while the external control signals programming input and status output are accessed via the Con nector on the rear panel of the HSP power supply see Figure 2 3 HSP series power supplies incorporate several advanced features which expand their applica bility beyond that of simple voltage stabilizers These functions include both internal and exter nal programming of voltage and current regulation points remote error sensing active load sharing circuitry output overvoltage and undervoltage protection output current walk in in cir cuit voltage and current setpoint monitors and dual mode floating inhibit controls as well as Form C relay contact outputs indicating source output and fan status and overtemperature shutdown REMOTE ERROR SENSE All HSP power supplies are equipped with remote error sensing to compensate for the voltage drop inherent in any power supply load interconnection scheme The amount of compensation varies based on output voltage 3 3V and 5V models compensate up to 0 25V drop in each power lead 0 5V total while 12V through 48V models provide for up to 0 8V drop in each lead 1 6V total The remote error sense leads must be connected to the output power termi nations either locally at the power supply output terminals or remotely at the load termi nations using the correct polarity for the HSP to operate properly See Figures 2 4 through 2 7 OUTPUT VOLTAGE PROGRAMMING HSP power supplie
13. 4 7 1 4 8 1 4 9 1 4 10 1 5 1 5 1 1 5 2 1 5 3 1 6 1 6 LOAD MONITOR Analog voltage signal which indicates actual load current delivered by the HSP power supply see PAR 3 13 AUXILIARY SUPPLY Logic level secondary output provides up to 0 5 watts of power at 5V d c This output is isolated from the output and is unaffected by the status of the main output Provides power for external Remote Inhibit controls see PAR 3 11 OVERCURRENT UNDERVOLTAGE PROTECTION Switch selectable option provides the user load protection against long term output overloads or undervoltage conditions see PAR 3 9 CURRENT WALK IN Switch selectable option provides control of output current rise rate based on Bellcore TR TSY 000947 requirements for battery chargers see PAR 3 10 REMOTE RESET Switch selectable option provides capability to reset the latch used by the overvoltage protection circuitry to disable the output regulator using the Remote Inhibit control lines see PAR 3 12 OPTIONS HSP options are described below more than one option may be incorporated into any HSP Power Supply METERS M SUFFIX HSP power supplies are available with an optional front panel meter which displays output voltage and output current switch selectable Refer to PAR 3 15 for operation BATTERY CHARGERS B SUFFIX The battery charger option adds switch selectable float and equalize functions which provide two separate voltage r
14. OVERTEMPERATURE STATUS LINES WILL BE IN NORMAL CONDITION UNLESS A FAULT CONDITION IS SENSED 3 8 HSPSERIES OPR 113012 3 14 1 POWER INDICATOR SOURCE POWER STATUS FLAGS Monitors available source voltage to determine if sufficient energy is available to sustain rated output for normal operation These signals indicate a fault condition until the bulk voltage is greater than 390V d c Once the bulk voltage reaches 390V d c indicating that the PFC boost converter is operating and assuring that full ride through time is available at rated load these signals revert to normal see Table 3 1 These signals will indicate a fault a minimum of 5 mil liseconds prior to loss of output regulation due to source power loss providing a transparent Source power ride through time of 21 5 milliseconds POWER STATUS is not reset until the bulk d c again reaches 390V d c see Figure 3 6 for timing relationships FIGURE 3 6 TIMING DIAGRAM FOR POWER AND DCFAIL STATUS HSPSERIES OPR 113012 3 9 3 14 2 3 14 3 3 14 4 3 15 DCFAIL INDICATOR AND OUTPUT STATUS FLAGS The OUTPUT status flags and DCFAIL indicator LED are both controlled by the output fault detector circuit which monitors both output voltage and module current to assess d c output status An output fault condition DCFAIL indicator ON is generated if one of three fault condi tions is detected 1 Overvoltage fault or 2 Undervoltage Fault output voltage is outs
15. See Notes 5 and 7 POWER Indicates low source voltage signal asserted a minimum of 5 msec prior to loss of output voltage OUTPUT Indicates HSP Power Supply in normal operating mode OVERTEMP Indicates HSP Power Supply in overtemper ature shutdown FAN FAIL Indicates failure of internal cooling fan Status Indicators front Panel LEDs See Note 5 POWER Green lit when source voltage is above minimum limit to support output voltage DCFAIL Red lit when output is outside normal voltage regulation limits OVERTEMP Yellow lit when over temperature protec tion is activated Isolated SELV See Operating Instructions PAR 3 11 Voltage Set Internal Multiturn pot Programming Mode selected by External 1 Resistance 0 50KQ internal switches See Note 6 T See PAR 3 3 External 2 0 10V 500uA max Current Limit Internal Multiturn pot Programming External 0 10V 5004A max ENVIRONMENT 0 to 50 C rated load 50 C to 71 Operating C derate by 2 5 C Figure 1 2 Temperature Range For 1500W at lower mains voltage see Figure 1 3 and Note 1 Storage 40 to 85 C Coolin Internal d c fan inlet exhaust as indicated in 9 Figure 1 4 0 E i i Humidity non condensing Operating Non operating 20g 11msec 50 half sine Shock 3 axes 3 shocks each axis 5 10Hz 10mm double amplitude Vibration 10 55Hz
16. The rear panel of the HSP power supply is equipped with an IEC 320 style recessed power inlet connector which provides interface to a 3 wire safety line cord via a polarized mating plug Kepco offers as accessories see Table 1 3 both a user wired mating connector and a prewired linecord set the latter configured for North American applications Terminal assignment follows internationally accepted conventions see Figure 2 3 It is the user s responsibility to ensure that all applicable local codes for source power wiring are met The user wired mating connector requires size 14 AWG minimum conductors for all three connections When HSP power supplies are installed in a plug in rack adapter RA 60 or simi lar consult the rack adapter Instruction Manual for source connection information Depending on your application source branch current rating may be significantly less than the rating of the HSP circuit breaker especially in configurations where HSP are used in parallel redundant applications The HSP circuit breaker rating is based on worst case operating condi tions However since HSP power supplies are switch mode power supplies the source power drain is constant and essentially independent of source voltage regardless of load power requirements Therefore under normal rather than worst case conditions HSP draw substan tially less than the rated maximum input current particularly at higher source voltages Contact Kepco Applicatio
17. all three positions are isolated for independent operation 23E Incorporates wider mounting ears to accommodate a 23 inch rack available for all 19 inch rack adapters above 24E Incorporates wider mounting ears to accommodate a 24 inch rack available for all 19 inch rack adapters above 124 0600 Used with HSP 24V 28V and 48V models when wired for series operation User must pro SERIES vide wiring and heat sink One diode required for each power supply See PAR 2 7 5 3 CLAMPING DIODES 424 0601 Used with HSP 3 3V 5V 12V and 15V models when wired for series operation User must provide wiring and heat sink One diode required for each power supply See PAR 2 7 5 3 142 0422 connector mating plug 142 0381 Source power inlet connector mating plug IEC 320 C19 CONNECTORS 118 0776 North American linecord set NEMA 5 20P to IEC 320 C19 108 0294 1 0 connector backshell 108 0203 1 0 connector jackposts set of two Standard Kit consists of North American linecord set connector mating plug con 219 0240 FIXED nector backshell I O connector jackposts and plastic feet with screws INSTALLATION KIT Customer wired Same as Standard Kit Part No 219 240 except linecord is replaced with 219 0249 user wired AC power inlet mating plug SCREW 101 0159 Used to attach plastic feet to Power Supply 46 20 0 625 in long HSPSERIES OPR 113012 1 7 1 8 Blank 2 1 2 2 SECTION 2 INSTALLATION UN
18. may be unduly stressed in the presence of an extended undervoltage condition an exam ple of this are batteries which can be damaged by discharge voltages below a specified minimum NOTE When undervoltage lockout mode is enabled it is necessary to also enable the Remote Reset function see PAR 3 12 in order for the Remote Inhibit function to oper ate properly HSPSERIES OPR 113012 3 5 3 11 3 6 CURRENT WALK IN CIRCUIT HSP power supplies incorporate a specialized output regulator start up circuit for applications involving use of the HSP as a battery charger This circuit enabled via switch S1 2 overrides the normal duty cycle based soft start circuit which could still result in very fast output current rise rates into a discharged battery and substitutes a controlled current rise circuit with a time constant in accordance with Bellcore TR TSY 000947 requirements for telecommunications bat tery rectifiers see Figure 3 4 The circuit is reset each time that the output regulator is shut down This circuit is targeted for battery charger applications but is ideal for any application which draws very large currents at power up such as high capacitance loads where this large current spike could result in circuit disruptions due to inductive coupling FIGURE 3 4 CURRENT WALK IN CHARACTERISTIC 5VAUX FLOATING SUPPLY HSP power supplies are equipped with an internal auxiliary supply which provides 5V at loads up to 100mA It is d
19. mode is ideal for high power battery chargers and applications where operation in cur rent regulation mode is normal or where immediate recovery from an overload condition of any duration is critical NOTE HSP power supplies are designed to maintain continuous delivery of 11096 of rated current indefinitely When operating parallel redundant power supply configurations in continuous limiting mode the user must size the power supply load interconnection conductors to withstand the total maximum load current available from all of the paral leled power supply modules b Undervoltage Lockout This mode is enabled when S1 3 is set to ON Figure 2 2 The crossover from voltage to current mode operation is the same as for Continuous Limiting however after approximately 15 seconds the output load regulation circuit is locked off via the overvoltage protection latch requiring the user to recycle source power to restart the power supply see PAR 3 8 This mode permits automatic recovery from short term over loads but eliminates the danger of overheating and damage to the load and load wiring due to continuous exposure to high current this is especially useful in redundant power Systems where the continuous overload current of all of the paralleled power supply mod ules can be in excess of twice the normal load current As the circuit is triggered by the occurrence of an output undervoltage condition this circuit can also protect circuits which
20. the low programming range this corresponds to 6296 of the rated module current but for the high programming range the num ber is 62 of 110 or 68 2 of rated module current If the module is HSP 5 200 for example the programmed current limit is either 124A or 136 4A depending on the range selection Current setpoint monitor accuracy is 5 OVERVOLTAGE PROTECTION ADJUSTMENT HSP power supplies incorporate output overvoltage protection OVP circuitry which latches the output regulator off in the event that the output voltage rises above a predetermined level Reset requires that the user remove source power for a minimum of 30 seconds optional remote reset is described in PAR 3 12 The trip level is preset at the factory for 13096 of the nominal output voltage see Table 1 1 however this level can be adjusted from 100 to 140 of the nominal output except Model HSP 48 21 which can be adjusted from 100 to 16096 of the nominal output via the OVP ADJUST control accessed through the top cover see Figure 2 2 To set the trip level to a new value perform the following steps NOTE For 48V Models only do not set OVP trip level above 63V 1 Disconnect any external load circuitry which may be damaged by excessive voltage a mini mum load of 5W is recommended see PAR 2 5 step 3 2 With source power removed connect load as shown in Figure 2 4 for local sensing except remove connection between connector pin 37 S and the
21. 1 1 1 4 Miscellaneous Features coi eat 1 5 1 4 1 Control Pr grammltg tete iii 1 5 1 4 2 Status Iridicators Flags teen tiim 1 5 1 4 3 Setpoint Monitors Han a edere deca eden 1 5 1 4 4 Remote Error Sensing sultanes 1 5 1 4 5 Load Ni ran iin 1 5 1 4 6 d P 1 6 1 4 7 Auxiliary Supply 000 1 6 1 4 8 Overcurrent Undervoltage 1 6 1 4 9 Current Walk in i S 1 6 1 4 10 Remote Reset an eee b RE GR ER EAR rre RU ERR 1 6 1 5 ei E 1 6 1 5 1 Meters M Sufflx eite ime RO ERE HE RR PR DAD Eee e m ER DEED RES 1 6 1 5 2 Battery Chargers B Suffix iniciada 1 6 1 5 3 Internal Blocking Diode R 5 1 6 1 6 Deer c did 1 6 SECTION 2 INSTALLATION 2 1 Unpacking and Inspection 2 nina NL d 2 1 2 2 Terminations and Controls toman 2 1 2 3 Source Power Requirements 22 00 terrere d te d u DR Est 2 3 24 COOLING sas sags M 2 3 2 5 Preliminary Operational Check iieo cienia 2 3 2 6 InstallatiOny zd arae O A E EO 2 4 2 7
22. E When setting the programming range both S2 1 and S2 2 must be set to the same position otherwise the fault detector voltage window will be offset from the program ming value and will not operate properly CURRENT LIMIT PROGRAMMING HSP power supplies provide two different methods for programming the output current limit point internal and external voltage When using internal programming the minimum program mable current limit is 50 6096 of nominal while external voltage programming permits adjust HSPSERIES OPR 113012 3 6 3 7 ment down to near zero The programming method is selected via S3 switch positions 2 and 3 as follows NOTE One programming mode must be selected or the HSP current limit programs to zero never select more than one programming mode at a time a Internal Programming This is the factory set default mode see Figure 2 2 when enabled via S3 3 the current limit is adjusted via the front panel potentiometer labeled Imax see Figure 2 1 b External Voltage Programming When enabled via S3 2 this mode provides for current limit adjustment via an external voltage source 0 10V connected between pins 15 and 19 IPROG S of the connector see Figure 3 3 This technique is useful when implementing digital control of the power supply current limit via a D A converter Kepco s SN SNR 488 programmers are ideally suited to these requirements FIGURE 3 3 EXTERNAL VOLTAGE PROGRAMMING OF CUR
23. EITE 2 3 2 5 Preliminary Operational Chieck 2 se ee en enable 2 3 2 6 InistallatiOnr eee aA entere ke coded cee E VES 2 4 2 7 Wiring nU EE EE E id sa 2 4 2 7 1 oatety Groundlhdg 2 4 2 7 2 Source Power Connections 2 1 circa 2 5 2 7 3 D C Output Erudito a 2 5 2 7 4 Power Supply Eoad Interface se nen blinken 2 6 2 7 5 Load Connection Generali cont een a ni 2 6 2 7 5 1 Load Connection Method Local Error Sensing mme 2 7 2 7 5 2 Load Connection Method II Remote Error 2 8 2 7 5 3 Load Connection Method III Series Connection sse 2 9 2 7 5 4 Load Connection Method IV Parallel Operation 2 10 2 7 5 4 1 Redundancy and Hot Swap 2 10 2 7 6 Load SO Ex 2 11 2 7 7 Signal COMMECIONS A 2 12 2 8 Mechanical Keying E cia 2 12 2 9 RETAINING LATCHES zs neret YOU rae ERO eR RR E EUR 2 12 SECTION 3 OPERATING INSTRUCTIONS 3 1 Operating Config ratlon 2 nde iii Paride cedente ton 3 1 3 2 Remote Error Sense ione eigene odiada 3 1 3 3 Output Voltage Programming eins a an a een en 3 1 3 4 Output Voltage Range 2 does 3 2 3 5 Current Limit Programming RE e de ite DH 3 2 3 6 Current Limit Programming
24. ELF THREAL SCRE 52 1 T ORG MAXIMUM PROTRUSION FROM GROMMET SURFACE 1 2 MINIMUM PROTRUSION FROM GROMMET SURFACE 3 8 3010045 BOTTOM VIEW FIGURE 1 4 OUTLINE DRAWING HSPSERIES OPR 113012 1 4 1 4 1 1 4 2 1 4 3 1 4 4 1 4 5 MISCELLANEOUS FEATURES CONTROL PROGRAMMING a VOLTAGE CHANNEL Output voltage is controlled continuously throughout the specified adjustment range via a 10 turn potentiometer mounted behind the front panel External control can be exercised either by resistance or by control voltage see PAR s 3 3 and 3 4 b CURRENT CHANNEL Output current is controlled continuously throughout the specified adjustment range via a 10 turn potentiometer mounted behind the front panel External control can be exercised by control voltage see PAR s 3 5 and 3 6 OVERVOLTAGE LEVEL The output voltage level at which the overvoltage protection latch is activated may be adjusted locally via a 10 turn potentiometer accessed through the top cover see PAR 3 8 d REMOTE INHIBIT Operation of the output regulator can be inhibited remotely via either one of two TTL level control lines RC1 and RC2 Both of these signals are isolated from both the input and output allowing single point control of several power supplies operating at different potentials Both positive and negative logic are supported see PAR 3 12 STATUS
25. INDICATORS FLAGS a STATUS INDICATORS Four LED indicators at the front panel provide the following opera tional information see PAR 3 14 POWER Green lit when source voltage is above minimum required to support rated load DCFAIL Red lit when output voltage is beyond regulation limits or when load current is below minimum load sharing requirement OVERTEMP Amber lit when internal overtemperature protection is activated FANFAIL Red lit when internal cooling fan failure is detected b STATUS FLAGS Four sets of Form C dry relay contacts 3 wires each are provided at the connector which duplicate the front panel status indicator functions see PAR 3 14 SETPOINT MONITORS Analog voltage signals which display programmed output voltage and current limit values These signals are available both at the front panel test points Vo and Iyax and at the connector VSET and ISET Signals are referenced to negative error sense see PAR 3 7 REMOTE ERROR SENSING Separate voltage sensing connections permit 4 wire connection to load Will compensate for static load effects due to power lead d c resistance DCR up to specified maximum voltage drop per load lead at maximum specified output voltage see PAR 3 2 LOAD SHARING Bidirectional control port provides forced load sharing between two or more HSP or HSM series power supplies wired in parallel see PAR 2 7 6 HSPSERIES OPR 113012 1 5 1 4 6 1
26. MENT OUTPUT LOAD Nominal Voltage See Table 1 1 Rated Current See Table 1 1 DC 125 420V d c polarity insensitive See Note 1 Minimum Output 2 of rated load lower output conditions may result in increased output ripple and increased Brownout Voltage 1000W 75 V a c typ 1500W 150 V a c typ Current transient response recovery time es Voltage See Table 1 1 ange Source Frequency 47 440 Hz Frequencies in excess of 63Hz will cause leakage current to exceed limits specified below Source Current 120V a c 11A rms max 1000W 5 5A rms max 240V 1500W 8 0A rms max Power Factor 0 99 typical 0 96 minimum for all source conditions and loads from 25 to 100 of rated load Inrush Current 75A Peak max Regulation Error 0 1 over full source Source Effect voltage range 0 1 from 5 to 100 of rated load Temperature Or nO Effect 0 02 C 0 C lt TA lt 50 C Time Effect 0 1 24 hr period after 30 Drift min warm up Combined Effect 0 3 Ripple and Noise See Table 1 1 Efficiency See Table 1 1 3000V rms Input to Output Withstand Voltage See Note 2 1500V rms Input to Case 500V d c Output to Case Leakage Current 0 50mA 115V a c 47 63Hz 1 0mA 0 230V a c 47 63 2 Safety Agency Approvals UL Recognized SELV UL 1950 UL1459 Para 35A 1 Start
27. NSURE PROPER AIR ENTRY AND EXHAUST Periodic cleaning of the power sup ply interior is recommended If the power supply is rack mounted or installed within a confined space care must be taken that the ambient temperature which is the temperature of the air immediately surrounding the power supply does not rise above the specified limits for the oper ating load conditions see PAR 1 3 and Figure 1 2 PRELIMINARY OPERATIONAL CHECK A simple operational check after unpacking and before equipment installation is advisable to ascertain whether the power supply has suffered damage resulting from shipping Refer to Fig ures 2 1 2 2 and 2 3 for location of operating controls and electrical connections 1 THE POWER SUPPLY WILL NOT OPERATE UNLESS THE REMOTE SENSE LINES ARE PROPERLY CONNECTED TO THE OUTPUT TERMINALS Connect the remote sense ter minals to the output bus bars using the mating Connector Kepco P N 142 0422 or other means as shown in PAR 2 7 5 1 and Figure 2 4 2 Connect the power supply to source power as defined in PAR 1 3 Connection can be made using either the North American linecord set Kepco P N 118 0776 or using a custom line cord terminated at one end with an IEC 320 C19 plug Kepco P N 142 0381 Follow all requirements of local electric code regarding wire size termination etc 3 Connect a static load R across output terminals The load value is determined by the nomi nal output voltage of the HSP power s
28. OPERATOR S MANUAL HSP SERIES 1000 AND 1500 WATT SWITCHING POWER SUPPLY VOLTAGE CURRENT STABILIZED DC SOURCE KEPCO INC MODEL An ISO 9001 Company HSP SERIES POWER SUPPLY ORDER NO IMPORTANT NOTES 1 This manual is valid for the following Model and associated serial numbers MODEL SERIAL NO REV NO 2 A Change Page may be included at the end of the manual All applicable changes and revision number changes are documented with reference to the equipment serial num bers Before using this Instruction Manual check your equipment serial number to identify your model If in doubt contact your nearest Kepco Representative or the Kepco Docu mentation Office in New York 718 461 7000 requesting the correct revision for your particular model and serial number 3 The contents of this manual are protected by copyright Reproduction of any part can be made only with the specific written permission of Kepco Inc Data subject to change without notice 69 KEPCO P N 243 0851 e THE POWER SUPPLIER KEPCO INC e 131 38 SANFORD AVENUE FLUSHING NY 11355 U S A e TEL 718 461 7000 FAX 718 767 1102 email hq Qkepcopower com World Wide Web http www kepcopower com TABLE OF CONTENTS SECTION PAGE SECTION 1 INTRODUCTION 1 1 S6ope of IL e RIED vnum es 1 1 1 2 ICI ECIBBES Te geo 1 1 1 3 e ftp
29. PACKING AND INSPECTION This instrument has been thoroughly inspected and tested prior to packing and is ready for operation After careful unpacking inspect for shipping damage before attempting to operate Perform the preliminary operational check as outlined in PAR 2 5 If any indication of damage is found file an immediate claim with the responsible transport service TERMINATIONS AND CONTROLS a Front Panel Refer to Figure 2 1 b Configuration Controls Refer to Figure 2 2 and Table 2 1 KER c Rear Panel Refer to Figure 2 3 and Table 2 1 e E Worl pray m DC FAI E E AN FAIL O LS a S ES M i FIGURE 2 1 HSP SERIES FRONT PANEL CONTROLS AND INDICATORS TABLE 2 1 CONFIGURATION CONTROLS sw REF POSITION FUNCTION PAR 51 1 REMOTE LOCKOUT RESET 3 12 51 2 CURRENT WALK IN 3 10 51 3 UNDERVOLTAGE LOCKOUT 3 9 52 1 RANGE SELECT VOLTAGE LOOP 34 NO 52 2 RANGE SELECT FAULT DETECTOR 34 52 3 EXT VOLT PROG VOLTAGE LOOP 3 3 OFF 55 SR 0 v no mumm mmm 52 4 EXT RES PROG VOLTAGE LOOP 3 3 52 5 INT PROG VOLTAGE LOOP 3 3 NO NOT CHANGE CONFIGURATION WITHOUT FIRS REFERRING TO PARAGRAPH REFERENCED IN TABLE 2 1 53 1 RANGE SELECT CURRENT LOOP 3 6 3040891 53 2 EXT VOLT PROG CURRENT LOOP 3 5 FIGURE 2 2 CONFIGURATION SWITCH FUNCTIONS 53 3 INT PROG CURRENT LOOP
30. RENT LIMIT CURRENT LIMIT PROGRAMMING RANGE The user may select the maximum programmable current limit either high or low range via S3 switch position 1 see Figure 2 2 This permits the user to trade adjustment range for program ming resolution this is especially useful when used in conjunction with external voltage pro gramming see PAR 3 5 for precise limit adjustment or for limiting the maximum programmable current limit Operation of the range selector is as follows a High Range This is the factory set default mode the maximum programmable current limit is 110 of rated Io for all models b Low Range When enabled via S3 1 the maximum programmable current limit is equal to the rated output current Io for all models since the programming voltage range does not change the resolution for a given programming input increment increases by 10 SETPOINT MONITORS HSP power supplies provide measurement ports which permit the user to verify the pro grammed output voltage and current limit points while the power supply is in an active circuit and even when operated in a parallel redundant configuration These setpoint monitors access the voltage and current loop reference sources to determine the programmed values and con vert these reference levels to proportional voltages readable by the user As the quantities mea sured are control circuit setpoints and not actual output measurements the external operating conditions do not
31. S OPR 113012 TABLE OF CONTENTS SECTION PAGE SECTION 1 INTRODUCTION 1 1 Scope of Manli ere etta ere erm ian 1 1 1 2 General Description tui iaa 1 1 1 3 ECC fM E 1 1 1 4 Miscellaneous Features voii anna ini gend 1 5 1 4 1 Control Pr gramming A beoe 1 5 1 4 2 Status Iridicators Flags cocinada indie 1 5 1 4 3 Setpoint MONO S iirinn ie 1 5 1 4 4 Remote Error Sensing p dee ie eir debi a aiad 1 5 1 4 5 Load Sharing E 1 5 1 4 6 Lo dd M oririoeir 1 6 1 4 7 Auxiliary SUPPIY 2 2 38 aia 1 6 1 4 8 Overcurrent Undervoltage 1 6 1 4 9 1 6 1 4 10 Remote Reset TS 1 6 1 5 OPM ica A iberia 1 6 1 5 1 Meters M Suffix Escalada 1 6 1 5 2 Battery Chargers B Suffix 2 ecrit creen cra 1 6 1 5 3 Internal Blocking Diode R 5 1 6 1 6 Dioec 1 6 SECTION 2 INSTALLATION 2 1 Unpacking and Inspection ee Rn IH este cede gen 2 1 2 2 Terminations and Controls c 2 1 2 3 Source Power Requirements ete d A eed ge e dete 2 3 24 eoo p S
32. Wri INSTRUCTIONS id ai decai RE Eee 2 4 2 7 1 oatety Groundirig Ar ternas 2 4 2 7 2 Source Power Connections ciii aii 2 5 2 7 3 D G Output Groundinjg 5 nre tu eim neum nnne 2 5 2 7 4 Power Supply Eoad Interface onec ls 2 6 2 7 5 Load Connection General anne dea nete 2 6 2 7 5 1 Load Connection Method Local Error 2 7 2 7 5 2 Load Connection Method II Remote Error Sensing 2 8 2 7 5 3 Load Connection Method III Series Connection 2 9 2 7 5 4 Load Connection Method IV Parallel 2 10 2 7 5 4 1 Redundancy and Hot Swap 2 10 2 7 6 oad Sharihg tred ER 2 11 2 7 7 oignal Gonrnectlons 1 ute t dr E T 2 12 2 8 Mechanical Keying c 2 12 2 9 IsetainirigEatelias s une ei aio 2 12 SECTION 3 OPERATING INSTRUCTIONS 3 1 Operating Conflg ration 2 2 1 Dd EL RIES 3 1 3 2 Remote Error Sense anne IRB edn seven ele ey eo 3 1 3 3 Output Voltage Programming eit Incest ep Rande 3 1 3 4 Output Voltage Range ieste iieii u A does 3 2 3 5 Current Limit Programming viciado bel 3 2 3 6 Current Limit Programming 3 3 3 7 Cm 3 3 3 8 Overvoltage Protection 3 4 3 9 Current Eirmit Char ct
33. and high enough to support the load requirements for N M systems this means setting the current limits high enough to tolerate loss of M power supplies and still support the load d Minimize the load share signal wire interconnection lengths to reduce risk of noise influence HSPSERIES OPR 113012 2 11 2 7 7 2 8 2 9 2 12 SIGNAL CONNECTIONS The I O Signal Connector located on the rear panel of the power supply see Figure 2 3 provides access for all programming inputs and status signal outputs These signals provide the user access to portions of the regulation control circuitry of the HSP and as such must be pro tected from radiated and conducted noise as well as from physical contact with non valid driving sources The following subsections address specific programming signal applications in gen eral however when accessing this connector from distant locations or high noise environ ments it is recommended that a shielded cable be used with the shield terminated to the system s single point ground a Remote Error Sense Twist positive and negative error sensing lines pins 37 19 together especially when a sig nificant distance separates the power supply and load b External Voltage Programming Voltage or Current Twist the programming signal line s pins 18 15 or both 18 and 15 with negative error sensing line pin 19 use shielded cable if possible c External Resistance Programming Voltage T
34. ation and an instantaneous reset time compared to the 30 second minimum waiting period imposed when cycling the source power for reset MODULE CURRENT MONITOR power supplies provide a 0 5 5V analog signal named IMON accessed via connector pin 32 which duplicates the signal level of the load sharing feedback signal ISHARE gener ated by each HSP This permits the user to determine the load being provided by each module within a parallel or redundant power system configuration The IMON signal is current limited HSPSERIES OPR 113012 3 7 and isolated from the ISHARE signal so that it cannot affect the load share function if shorted The voltage level of this signal is generated with respect to the negative sense return pin 19 3 14 STATUS INDICATORS AND STATUS FLAGS HSP power supplies provide both visual and electrical indication of the status of various critical functions including source power status output status fan status and overtemperature condi tion both visual and signal indicators are provided Visual indication is provided via the four LED indicators located on the front panel see Figure 2 1 Signal indication is obtained via four sets of Form C dry relay contacts accessed via the connector all three contacts are provided to the user permitting the selection of either normally open NO normally closed NC or both for any application refer
35. ation values corresponding to float and equalize functions for battery charging applications This option is available for 1000W HSP models covering 12V 24V and 48V and 1500W models covering 24V and 48V nominal battery voltages When the Float Equalize switch is set to FL see Figure 3 7 the Float potentiometer adjusts the output voltage when set to EQ the Equalize potentiometer adjusts the output voltage The FL EQ position also determines which voltage is available at test point Vo CAUTION Adjusting the non selected potentiometer e g FL potentiometer with switch set to EQ can have adverse effects because an unknown output voltage will be applied to the load when the switch position is changed The fault detector window is altered to accommodate the normal range of battery voltage from fully discharged to peak equalize charge as shown in Table 3 3 TABLE 3 3 B OPTION FAULT DETECTION WINDOW NOMINAL BATTERY VOLTAGE KEPCO MODEL MIN VOLTS MAX VOLTS 12V HSP 15 66B 10 6 14 6 24V HSP 28 36B HSP 28 53B 21 1 29 2 48V HSP 48 21B HSP 48 30B 42 2 58 4 The programmed current limit Imax applies to both float and Equalize operation If the M option is also included the meters operate as described above see PAR 3 15 except that the displayed setpoint value is determined by the FL EQ switch FIGURE 3 7 HSP M METER OPTION AND B BATTERY CHARGER OPTION FRONT PANEL HSPSERIE
36. curacy of 12 applies for load currents between 25 and 100 of rated output current e g between 50 and 200 Amperes for HSP 5 200 For load currents less than 2596 ammeter accuracy degrades significantly PARALLEL REDUNDANT OPERATION The display function is fully operational when HSP is used either singly as a stand alone power supply or in multiples as part of a parallel redundant or series load arrangement When used as part of a parallel redundant power system however the following points should be noted When the meters are functioning as voltmeters The actual voltage displayed by each power supply module represents the output bus voltage and not the individual voltage supplied by each module The setpoint function however does display the individual setting for the specific power supply module being measured thus allowing on line calibration of all of the power sup ply modules in the system When the meters are functioning as ammeters The actual current displayed by each power supply module represents actual module output current regardless of output configuration The setpoint function for current limit displays the individual setting for the specific power supply module being measured HSPSERIES OPR 113012 3 11 BATTERY B OPTION OPERATION The Battery Charger Option B suffix adds a second switch selectable voltage network to the front panel This permits the user to preset two different voltage regul
37. d This function is critical in fault tolerant power systems otherwise a single overvoltage failure could ripple through all of the operating supplies and result in a complete power system loss NOTE The overvoltage protection circuit senses the voltage directly at the output terminals of the power supply not at the error sensing point When selecting an overvoltage set point the user must take into account the expected power lead voltage drop and if applicable the transient response overshoot in order to avoid false shutdowns The HSP design is such that the power supply cannot generate an output voltage high enough to cause internal damage regardless of OVP setting 3 9 CURRENT LIMIT CHARACTERISTIC HSP power supplies provide two different current limiting modes for different applications selec tion of the desired mode is accomplished via switch S1 3 accessed through the top cover of the HSP see Figure 2 2 The following describes the operational differences and selection method of each a Continuous Limiting This is the factory set default mode of operation When the output current of the power supply reaches the programmed current limit the output regulator switches to current mode operation and maintains the output current by modulating the output voltage this operating mode is maintained indefinitely and recovery to voltage reg ulation mode is automatic upon reduction of the output current below the current limit point This
38. de provides for output voltage adjustment via an external voltage source 0 10V connected between pins 18 and 19 VPROG S of the connector see Figure 3 2 This technique is useful when imple menting digital control of the power supply output voltage via a D A converter Kepco s SN SNR 488 programmers are ideally suited to these requirements FIGURE 3 1 EXTERNAL RESISTANCE PROGRAMMING OF OUTPUT VOLTAGE FIGURE 3 2 EXTERNAL VOLTAGE PROGRAMMING OF OUTPUT VOLTAGE OUTPUT VOLTAGE RANGE The user may select the maximum programmable voltage either high or low range via S2 switch positions 1 and 2 see Figure 2 2 This permits the user to trade adjustment range for programming resolution this is especially useful when used in conjunction with external voltage programming see PAR 3 3 for precise output adjustment 0 2 or for limiting the maximum programmable voltage Operation of range selector is as follows a High Range This is the factory set default mode the maximum programmable output voltage is 11096 of nominal Vo for 3 3V through 28V models 12596 of nominal Vo for 48V model b Low Range When enabled via S2 1 2 the maximum programmable output voltage is equal to the nominal output voltage Vo for all models since the programming resistance and voltage ranges do not change the resolution for a given programming input increment increases by 1096 for 3 3V through 28V models and by 2596 for 48V model NOT
39. e must be as small as possible as compared to the source inductance of the power supply error sensing cannot compensate for reactive effects due to this These dynamic conditions are especially important if the load is constantly modulated or step programmed or has primarily reactive characteristics or where the dynamic output response of the power sup ply is critical to load performance LOAD CONNECTION GENERAL Load connections to the HSP power supply are achieved via the bus bars protruding from the rear panel The bus bars are each provided with two holes one 0 34 diameter clearance hole for fie UNC threaded fastener and one 10 32 threaded hole see Figure 1 4 The threaded hole is provided for attachment of error sensing leads from the signal connector when local sense with benchtop operation is desired Do not connect sense lines using these holes when using the HSP Power Supply with plug in rack adapters instead connect sense lines to out put studs on rack adapter observing proper polarities plus to plus minus to minus Load cable or bus bar attachment should use the clearance hole using 5 16 UNC nut bolt and lockwasher The use of the proper fastener size and inclusion of a lockwasher are critical to maintaining intimate contact between the load conductor and output bus bar Kepco recom mends the use of fasteners made of conductive material brass phosphor bronze etc to enhance conductivity for high current loads
40. e security against casual removal of an operating module 1 3 SPECIFICATIONS Table 1 1 below indicates specifications for parameters that vary for different HSP models Table 1 2 lists general specifications that apply to all HSP models TABLE 1 1 MODEL PARAMETERS OUTPUT VOLTAGE OUTPUT CURRENT RIPPLE NOISE gir Volts Volts Amps mV p p mV p p See Note 1 MODEL Nominal Adjustment Factory S 2 Source Switching Spike 100 Load dnd Range Setpoint al ln max max 20MHz 115V a c HSP 3 3 230 3 3 0 7 3 6 4 29 230 173 105 20 30 100 71 HSP 5 200 5 1 0 5 5 6 5 200 150 95 20 30 100 72 HSP 12 84 12 2 4 13 2 15 6 84 63 40 20 40 120 73 HSP 15 66 15 3 0 16 5 19 5 66 49 5 31 4 20 40 150 76 8 HSP 24 42 24 4 8 26 4 31 2 42 31 5 20 20 60 240 77 HSP 28 36 28 5 6 30 8 36 4 36 27 17 20 60 280 78 48 21 48 9 6 59 2 62 4 21 16 10 20 60 480 80 8 HSP 24 60 24 4 8 26 4 31 2 60 45 28 6 20 60 120 77 gt HSP 28 53 28 5 6 30 8 36 4 53 39 8 25 2 20 60 140 78 HSP 48 30 48 9 6 59 2 62 4 30 22 5 14 3 20 60 240 80 1 Model efficiency is typically 2 396 lower HSPSERIES OPR 113012 1 1 TABLE 1 2 GENERAL SPECIFICATIONS CHARACTERISTIC REQUIREMENT SOURCE INPUT Source Voltage AC Single Phase 1000W 1500W Nominal 100 250V rms 200 250 rms 180 277V rms Range 90 277Vrms CHARACTERISTIC REQUIRE
41. egulation settings as well as an expanded window for the output voltage fault detector compatible with normal battery operating voltages Refer to PAR 3 16 for operation INTERNAL BLOCKING DIODE R SUFFIX This option adds a blocking diode in series with the output required for hot swap applications ACCESSORIES Accessories for HSP Power Supplies are listed in Table 1 3 HSPSERIES OPR 113012 TABLE 1 3 ACCESSORIES ACCESSORY PART NUMBER USE RACK RA 58 Provision for three HSP or HSM Power Supplies in a 19 inch rack Used for hard wired ADAPTERS applications only RA 59 Same as RA 60 except accommodates up to four HSP Power Supplies in a 24 inch rack for plug in and hot swappable applications Plug in rack adapter provides for three HSP Power Supplies in a 19 inch rack Designed specifically for hot swap applications when used with R suffix HSP models the power out RA 60 puts of all three positions of this rack adapter are permanently bussed together in parallel Separate source power and l O signal connections for each position RA 61 Provision for four HSP or HSM Power Supplies in a 24 inch rack Used for hard wired appli RACK cations only ADAPTER OPTIONS Same as RA 60 except that two positions are bussed together in parallel while the remaining RA 62 Mao j position is left isolated for independent operation RA 63 Same as RA 60 except that
42. either the slave itself or the load sharing system is defective When implementing load sharing the user must ensure that all power supplies are attempting to regulate to the same voltage at the same location and must minimize the possibility of load share signal corruption the power supplies should as nearly as possible emulate a single large power supply To this end the following rules apply a If possible remote error sensing should be employed with all error sensing connections ter minated at the same physical point and as close to the power supplies as possible if local error sensing is required power lead voltage drops must be minimized Provide local noise decoupling capacitors across all sense wire termination points b The power supplies should be located as near to each other as possible with power termina tions bussed together using adequately sized interconnections the power supply load inter connections should be distributed evenly along the power supply output interconnection bus ses This is especially important in high current systems employing several power supply modules in parallel where voltage drops in the interface connections can be significant in comparison to the load share signal voltage and introduce both d c and a c errors All power supply output voltages should be adjusted as closely as possible and in any case within a 296 error band Additionally the current limit setpoints should be identical
43. eode cee Hl deve Bags 2 1 2 1 VQ Connector Pin Assignments e Mn reb ne ed ale 2 2 3 1 Status Indicators and Flags en een een mans d tege en sinne 3 8 3 2 Fault Detector Operation nennen nennen 3 10 3 3 Option Fault Detection 3 12 HSP OPR 113012 iii 091 304 HSP SERIES POWER SUPPLY FIGURE 1 1 HSPSERIES 113012 SECTION 1 INTRODUCTION 1 1 SCOPE OF MANUAL This manual contains instructions for the installation and operation of the HSP series of voltage and current stabilized d c power supplies manufactured by Kepco Inc Flushing New York U S A 1 2 GENERAL DESCRIPTION The HSP power supply Figure 1 1 is basically a voltage and current stabilized d c source with a relatively sharp crossover between voltage and current mode operation This permits HSPs to be used both as conventional regulated voltage sources and in applications such as battery chargers where automatic crossover between constant voltage and constant current operation is required HSP power supplies are supplied in a single mechanical size and are nominally rated at either 1000 or 1500 watts of output power HSP 1000 watt power supplies are designed to operate over the universal a c power mains voltage range of 90 277V 47 63Hz with operation from 125 420V d c also available HSP 1500 watt products provide full power over the a c mains
44. eristiC 3 5 3 10 242 A paces 3 6 3 11 5VAUX Floating Supply eren A E E E 3 6 3 12 Remote Inhibit Remote Reset enne nennen enne 3 7 HSP OPR 113012 i ii Blank TABLE OF CONTENTS SECTION PAGE 3 13 Module Current Monitor een na ss stehe 3 7 3 14 Status Indicators and Status rn ernennen 3 8 3 14 1 Power Indicator Source Power Status 3 9 3 14 2 DCFAIL Indicator and Output Status 3 10 3 14 3 OVERTEMP Indicator and Status eene nennen nene 3 10 3 14 4 FANFAIL Indicator and Status 3 10 3 15 Front Panel Meter M Option 3 10 3 15 1 Voltmeter Operation e Ioue dete nes 3 11 3 15 2 Ammeter Operation des 3 11 3 15 3 Parallel redundant Operation erts said 3 11 3 16 Battery B Option Operation cotes Bons anno ac 3 12 LIST OF FIGURES FIGURE PAGE 1 1 Series Power Supply vicio e iii iv 1 2 All Nominal Mains Voltage Temperature 1 3 1 3 1500W Low Mains Voltage Temperature Power 1 3 1 4 Outline DAWN G anran Leni Heli kr re ER dro t ede etd dg en reped T
45. erived from the internal cooling fan supply and is therefore present when ever the source power is within specification and the internal bias supply is operating regard less of the status of the output regulator This supply is SELV and is isolated from the output power lines as well permitting the user to employ this supply to power circuits which do not share the same ground return as the output in fact this supply provides interface power for the remote inhibit control signals see PAR 3 12 Typical applications include single circuit control of several HSP power supplies operating at various potentials and polarities with respect to the controller The output is protected against overload and is diode isolated to permit paralleling with the auxiliary outputs of other HSP units regardless of model for additional load capacity or redundancy This output is available at I O connector pins 26 and 25 BVAUX and AUXRTN respectively HSPSERIES OPR 113012 3 12 3 13 REMOTE INHIBIT REMOTE RESET CONTROLS HSP power supplies incorporate two TTL level inputs RC1 and RC2 accessed via the I O con nector which can be used to disable the output regulator via external stimulus These two con trols operate from an internal 5V supply which is isolated from both input and output see PAR 3 11 creating a floating inhibit control circuit which allows the user to control sev eral HSP power supplies operating at different return p
46. es For help in special applications or difficult problems consult directly with Kepco s Application Engineering Department POWER SUPPLY LOAD INTERFACE The general function of a voltage or current stabilized power supply is to deliver the rated out put quantities to the connected load The load may have any conceivable characteristic it may be fixed or variable it may have predominantly resistive capacitive or inductive parameters it may be located very close to the power supply output terminals or it may be a considerable dis tance away The perfect interface between a power supply and its load would mean that the specified performance at the output terminals would be transferred without impairment to any load regardless of electrical characteristics or proximity to each other The stabilized d c power supply is definitely not an ideal voltage or current source and practical interfaces definitely fall short of the ideal All voltage stabilized power supplies have a finite source impedance which increases with frequency and all current stabilized power supplies have a finite shunt impedance which decreases with frequency The method of interface between the power supply output and the load must therefore take into account not only size with regard to minimum voltage drop but configuration with regard to minimizing the impedance introduced by practical interconnection techniques wire bus bars etc The series inductance of the load wir
47. f the front panel see Figure 2 1 These latches work in conjunction with the HSP series plug in rack adapters to prevent unauthorized or inadvertent module extraction from an operating power system The latch is engaged by loosening the cap head screw approximately 1 2 turn CCW use 5 32 hex key and sliding the latch down to the bottom of the slot then retightening the cap head screw CW until snug DO NOT OVERTIGHTEN To release follow the same procedure except lift the latch to the top of the slot Be sure to move the latch com pletely up or down to ensure full engagement and disengagement of the latching mechanism When the HSP power supply is not installed in its plug in rack adapter it is recommended that the latch be secured in the open up position to prevent damage NOTE Retaining latches must not be used to secure the HSP power supply in the rack adapter for shipping purposes HSPSERIES OPR 113012 3 1 3 2 3 3 SECTION 3 OPERATING INSTRUCTIONS OPERATING CONFIGURATION The following subsections review the various features and indicate how to select and operate each function The default settings for each function indicate the as shipped status for standard HSP series power supplies Prior to applying source power the operating configuration of the HSP power supply must be selected This setup is performed via the multiposition configuration switches S1 S2 and S3 which are accessed via slots in the top cover see Figure 2
48. ide specified regulation limits or 3 Undercurrent fault the power supply module is supplying less than 7096 of the current required by the circuit as indicated by the load sharing signal while the output voltage is within specification limits A fault condition is not generated for a combination of overvoltage and undercurrent indications as these are mutually exclusive conditions for power supplies which are not part of a parallel redundant configuration this combination does however indicate proper operation for opera tional power supply modules which are part of a parallel redundant power scheme in which one or more power supply modules are presenting overvoltage failures Table 3 2 provides an operating matrix of the DCFAIL status function see Figure 3 6 for timing relationships The output voltage fault limits are 5 of programmed output voltage while the undercurrent fault limit is 7096 of required module current signal reset requires output voltage recovery to within the specified 1 regulation range and or module current recovery to gt 85 of required module current respectively TABLE 3 2 FAULT DETECTOR OPERATION UNDERVOLTAGE UNDERCURRENT OVERVOLTAGE DCFAIL STATUS N N N OFF Y X ON N Y N ON ON 2 Y Y OFF Y YES N NO X DON T CARE EXCLUDED BY ANOTHER ASSUMED CONDITION OVERTEMP INDICATOR AND STATUS FLAGS This fault is generated in the event that e
49. influence these measurements and they remain valid even when the power supply output is disabled only valid source power is required The setpoints are available at two locations on the power supply The first is via test probe jacks on the front panel of the HSP directly adjacent to their corresponding internal adjustment con HSPSERIES OPR 113012 3 3 3 8 3 4 trols see Figure 2 1 the jacks are labeled Vo and Imax with a third test point labeled COM providing access to the circuit return The second location is the connector here the test points are labeled VSET and ISET and are available at pins 36 and 33 respectively with circuit return accessed at pin 19 S see Figure 2 3 Measurement quantities are defined as follows Vo VSET This voltage represents 1 10 of the programmed output voltage As an example VSET or Vo 4 63V corresponds to a programmed output voltage of 46 3V 1 This relationship is constant regardless of the programming range selected see PAR 3 4 Imax This voltage represents the percentage of available power supply current as a per centage of rated current with 10V corresponding to 10096 available current is defined as the maximum current limit available based on the programming range see PAR 3 6 Unlike VSET ISET is always based on a 0 10V scale regardless of the range selected For example ISET or Imax 6 2V corresponds to 62 of the maximum programmable current for
50. ither the input or output module heatsink temperature rises above a safe operating level output regulator shutdown occurs simultaneously Recovery occurs automatically upon reduction of internal temperatures to normal levels FANFAIL INDICATOR AND STATUS FLAGS This fault is generated in the event of a failure of the internal cooling fan a delay of approxi mately 5 seconds is incorporated to prevent nuisance indications at turn on Reset occurs when fan operation resumes FRONT PANEL METER M OPTION OPERATION series power supplies are available with a meter option M suffix which incorporates a 3 digit LED meter display on the front panel The meter provides both voltmeter and ammeter functions The V A rocker switch directly below the meter Figure 3 7 selects either output volt age V or module current A as the normally displayed parameter The associated LED either V or A lights to show the selected switch position When depressed the ACTUAL SETPOINTS momentary contact switch located below the V A selector switch causes the meter to display the programmed value of output voltage or current limit as selected by the V A switch The HSPSERIES OPR 113012 3 15 1 3 15 2 3 15 3 operation of the fault detector remains unaffected by the inclusion of the meter option The fol lowing paragraphs describe the meter functions in detail VOLTMETER OPERATION With the V A selector switch set to V position green V indica
51. lations provide adequate clearance around air inlet and exhaust locations and ensure that the temperature immediately surrounding the unit and especially near the air inlets does not exceed the maximum specified ambient temperature for the operating conditions WIRING INSTRUCTIONS Interconnections between an a c power source and a stabilized power supply and between the power supply and its load are as critical as the interface between other types of electronic equip ment If optimum performance is expected certain rules for the interconnection of source power supply and load must be observed by the user These rules are described in detail in the following paragraphs SAFETY GROUNDING Local national and international safety rules dictate the grounding of the metal cover and case of any instrument connected to the a c power source when such grounding is an intrinsic part of the safety aspect of the instrument The ground terminal of the source power connector see Figure 2 2 is connected to the HSP chassis and the instructions below suggest wiring methods which comply with these safety requirements however it is the customer s responsibility to ensure that all applicable electric codes for safety grounding requirements are met WARNING IT IS IMPERATIVE THAT THE USER PROVIDE ALL THREE SOURCE WIRE CONNEC TIONS AS THIS CONNECTION IS THE SAFETY GROUND PROVISION HSPSERIES OPR 113012 2 7 2 2 7 3 SOURCE POWER CONNECTIONS
52. ncy is required but hot swapping is not the blocking diode is beneficial in that it adds a layer of isolation between each power supply output and the common d c bus protecting the bus against the possibility of a short at the power sup ply output All HSP power supply models are available with this blocking diode internally mounted R suffix option External mounting of the blocking diode is not recommended because physical stresses exerted by the load cables or bus bars and improper heat dissipation will result in premature and undetected failure of the diode LOAD SHARING When operating two or more power supplies in parallel either for capacity or redundanoy it is desirable to distribute the load equally among all of the power supplies in order to improve per formance reduce stress and increase reliability HSP power supplies incorporate active circuitry which forces multiple power supplies wired in parallel to share load current both in voltage and current mode regulation The HSP employs a single wire connection between paralleled power supplies forming a master slave relationship as follows the highest voltage unit becomes the master and all of the remaining units are slaved to it via the load share signal ISHARE which boosts the slave outputs in order to increase load share A maximum boost limit of 596 prevents the slave units from following a defective master into an overvoltage condition or from creating a load hazard if
53. ng the trim pot labeled Imax accessed through the front panel if desired readjust for lower current limit see PAR 3 7 8 Verify that front panel indicators still appear as in step 4 above 9 Disconnect sense lines with power supply still operating either by removing the mating I O connector or by manually opening the sense line connected to Pin 37 verify that the power supply output turns off and that the DCFAIL indicator LED on the front panel is now lit along with the POWER indicator LED NOTE At no load the output voltage will drop slowly Turn the front panel circuit breaker off and wait until the DCFAIL indicator LED blinks Reconnect the sense lines then turn the circuit breaker back on verify that the output voltage returns to the value measured in step 5 above and that the indicator LEDs appear as in step 4 above 10 Turn off front panel circuit breaker and remove source power connection INSTALLATION REFER TO FIGURE 1 4 OUTLINE DRAWING The HSP power supply may be operated as a fixed rack mounted unit or as a plug in modular instrument as follows When used as a fixed rack mounted unit attach the HSP power supply to the mounting surface using the four holes in the bottom of the chassis surrounded by plastic grom mets When used as part of a plug in power system refer to the Instruction Manual accom panying the applicable Kepco rack adapter for installation directions For all instal
54. ns Conducted RF CISPR 22 Class A Limits 0 15 30MHz Overcurrent tage activated latched shutdown see Operat ing Instructions PAR 3 9 see Note 4 Overtemperature Thermostat shutdown with hysteretic recovery Protection and automatic restart Current Harmonics EN 61000 3 2 0 2KHz any source load condition 1 2 NOTES 1 Safety Agency approval not applicable for noted conditions 2 25 C 65 RH 3 Per EN 50082 2 Acceptance Criteria A 4 Latched shutdown requires that source power be cycled for restart optional restart by cycling REMOTE ON OFF control signal see Operating Instructions PAR 3 12 HSPSERIES OPR 113012 TABLE 1 2 GENERAL SPECIFICATIONS Continued CHARACTERISTIC REQUIREMENT CHARACTERISTIC REQUIREMENT SIGNAL AND CONTROL SIGNAL AND CONTROL CONTINUED Remote Error Sensing 3 3V amp 5V Models 0 25V per wire All other Models 0 8V per wire Remote On Off Control Isolated TTL compatible signal either logic high or logic low will disable output Auxiliary Voltage 4 75 5 25V d c output O 100mA parallelable output isolated 500 V d c Input isolated Load Sharing Within 5 of load when connected via load sharing wire see PAR 2 7 6 Load Monitor 0 5V analog signal proportional to output load current 5V at 100 of rated load Status Flags Form C dry relay contacts see PAR 3 14
55. ns Engineering for additional information D C OUTPUT GROUNDING Connections between the power supply and the load and sensing connections may despite all precautions such as shielding twisting of wire pairs etc be influenced by radiated noise or pick up To minimize the effects of this radiated noise the user should consider grounding one side of the power supply load circuit The success of d c grounding requires careful analysis of each specific application however and this recommendation can only serve as a general guide line One of the most important considerations in establishing a successful grounding scheme is to avoid GROUND LOOPS Ground loops are created when two or more points are grounded at different physical locations along the output circuit Due to the interconnection impedance between the separated grounding points a difference voltage and resultant current flow is superimposed on the load The effect of this ground loop can be anything from an undesirable increase in output noise to disruption of power supply and or load operation The only way to avoid ground loops is to ensure that the entire output load circuit is fully isolated from ground and only then establish a single point along the output load circuit as the single wire ground point The exact location of the best d c ground point is entirely dependent upon the specific applica tion and its selection requires a combination of analysis good judgement and
56. otentials from a single source The two control lines differ in that RC1 pin 8 is normally high initiating an output inhibit with application of a low signal level while RC2 pin 7 is normally low and requires application of a high level signal to inhibit the output both of these signals are applied with respect to AUXRTN see Fig ure 3 5 and can be operated at potentials as much as 500V from the HSP output s These two signal levels are TTL compatible both for voltage levels and source sink capability If not actively driven these signals have no effect on power supply operation Activation of either one of these control lines results in an immediate shutdown of the output PWM regulator includ ing reset of the soft start undervoltage and current walk in circuits Operation is inhibited until the appropriate control line is released whereupon the power supply output restarts as from ini tial cold turn on m 4 m gem FIGURE 3 5 REMOTE INHIBIT CONTROL OPERATION An additional function which can be derived from the remote inhibit control circuitry is the ability to reset the overvoltage undervoltage latch circuitry without cycling the source power Remote Lockout Reset When this function is enabled via switch S1 1 the latch can be reset by toggling one of the inhibit control signals from enable to disable and back The main advantages of this remote reset function are the ability to reset the power supply from a remote loc
57. output bus bar and substitute a 20K ohm potentiometer between pin 37 and the output bus bar adjust the pot for minimum resistance 3 Rotate OVP ADJUST control on HSP fully clockwise 4 Apply source power while monitoring voltage at output terminals bus bars increase exter nal pot resistance until the output voltage is set for the desired overvoltage protection value 5 Slowly rotate the OVP ADJUST pot counterclockwise until the output is latched off voltage drops rapidly toward zero the overvoltage trip level is now adjusted to the desired overvolt age protection value step 4 above 6 Remove source power for at least 30 seconds or until the front panel indicator LEDs begin to blink reduce the external pot resistance slightly and reapply source power 7 While monitoring the output voltage slowly increase the pot resistance until the output shuts down and verify trip set point if necessary repeat steps 3 through 6 above HSPSERIES OPR 113012 The signal generated by the OVP detector is gated with a signal from the fault detector circuit to produce a selective overvoltage shutdown function which prevents shutdown of operational power supplies in a parallel redundant power system configuration The OVP latches of any working power supplies are disabled allowing only the faulty modules to be latched off system operation can then return to normal assuming sufficient load capacity in the remaining modules to support the loa
58. range of range of 180 277V a c and 1000W output power from 90 132V a c contact Kepco for information on operation over other source voltage ranges Active power factor correction cir cuitry limits source current harmonics to negligible levels significantly improving source power utilization Cooling is provided via an internal d c fan The permits adjustment of both output voltage Vo and current limit Imax either by inter nal front panel pot or external resistance or voltage methods programming method is selected via DIP switches accessed through the top of the unit Independent circuitry provides protection against overvoltage overcurrent and overtemperature failures fault detection cir cuitry monitors performance of the output and critical internal functions providing both visual and electrical indicators A switch selectable current walk in circuit and optional float equalize functions enhance the performance of HSP power supplies for such applications as battery chargers The HSP power supply is specifically designed for both fixed installation operation and when used in conjunction with Kepco RA 60 or similar plug in rack adapters as a hot replaceable module in a redundant power system Forced current sharing and optional internal or external output blocking diodes enhance power system reliability Mechanical keying eliminates the risk of incorrect module insertion Tool operated latches on the front panel provide positiv
59. rent sharing circuitry to distribute the load current equally among the paralleled units When operating HSP power supplies in any parallel configuration load sharing must be imple mented among the paralleled modules this is required for proper operation of the fault detector see PAR 2 7 6 Figure 2 7 shows a typical parallel configuration using two power supplies additional parallel modules are added by scaling Figure 2 7 FIGURE 2 7 LOAD CONNECTION METHOD IV PARALLEL REDUNDANT OPERATION WITH HOT SWAP 2 7 5 4 1 2 10 REDUNDANCY AND HOT SWAP APPLICATIONS HSP is specifically designed for use in critical applications where power supply redundancy and on line replacement of defective power supplies hot swapping is required Redundant opera tion is achieved by paralleling one or more power supplies in excess of the minimum number required to support the load so that system operation is not compromised by the failure of a sin gle power supply Any number of HSP power supplies N M can be wired for redundant opera tion as long as N power supplies can support the load M representing the total number of failed power supplies HSPSERIES OPR 113012 2 7 6 When operating power supplies in hot swap applications the use of an output blocking diode is mandatory to prevent excessive output transients and power connector damage due to arcing at the output terminals In applications where redunda
60. s provide three different methods for programming the output voltage regula tion point internal external resistance and external voltage When using either internal or exter nal resistance programming the minimum programmable voltage is 50 6096 of nominal while external voltage programming permits adjustment down to zero Performance specifications are only guaranteed over the range shown in Table 1 1 The programming method is selected via S2 switch positions 3 4 and 5 as follows NOTE One programming mode must be selected or the HSP output voltage programs to zero never select more than one programming mode at a time a Internal Programming This is the factory set default mode see Figure 2 2 when enabled via S2 5 the output voltage is adjusted via the front panel potentiometer labeled Vo see Figure 2 1 b External Resistance Programming When enabled via S2 4 this mode provides for out put voltage adjustment via an external resistance or potentiometer 0 50Kohm connected between pins 17 and 35 VRP1 VRP2 of the connector see Figure 3 1 This tech nique is useful for applications where the voltage output of the power supply must be locked to a preset value without means of adjustment security or where the voltage out put of the power supply must be remotely adjusted after installation convenience HSPSERIES OPR 113012 3 1 3 4 3 5 3 2 c External Voltage Programming When enabled via 52 3 this mo
61. some amount of empirical testing If there is a choice in selecting either the positive or negative output of the power supply for the d c ground point both sides should be tried and preference given to the ground point producing the least noise For single isolated loads the d c ground point is often best located directly at one of the output terminals of the power supply when remote error sens ing is employed d c ground may be established at the point of sense lead attachment In the specific case of an internally grounded load the d c ground point is automatically established at the load The output terminals of HSP power supplies are d c isolated floating from the chassis in order to permit the user maximum flexibility in selecting the best single point ground location Output ripple specifications as measured at the output are equally valid for either side grounded HSPSERIES OPR 113012 2 5 2 7 4 2 7 5 2 6 Care must be taken in measuring the ripple and noise at the power supply measuring devices which are a c line operated can often introduce additional ripple and noise into the circuit There is unfortunately no best method for interconnecting the load and power supply Individ ual applications location and nature of the load require careful analysis in each case Ground ing a single point in the output circuit can be of great importance It is hoped that the preceding paragraphs will be of some assistance in most cas
62. to Table 2 1 The definition of normal in this instance refers to the status of the contacts when the HSP is powered and operating normally no fault status flag outputs remain valid even when source power is removed These relay contacts are SELV and are iso lated from each other and from the output by 100V d c to permit flexibility in application A description of the function of each status signal follows Table 3 1 indicates the condition of sta tus flags and indicators for normal fault and no power conditions TABLE 3 1 STATUS INDICATORS AND FLAGS STATUS CONDITION SIGNAL INDICATOR NO POWER NORMAL FAULT DETECTED APPLIED POWER INDICATOR ON GREEN OFF OFF SOURCE POWER SOURCE POWER STATUS NC CLOSED OPEN OPEN STATUS SOURCE POWER STATUS NO OPEN CLOSED CLOSED DC FAIL INDICATOR OFF ON RED OFF OUTPUT STATUS OUTPUT STATUS NC CLOSED OPEN OPEN OUTPUT STATUS NO OPEN CLOSED CLOSED FANFAIL INDICATOR OFF ON RED OFF FAN STATUS NC CLOSED OPEN CLOSED STATUS FAN STATUS NO OPEN CLOSED OPEN OVERTEMP INDICATOR OFF ON AMBER OFF OVERTEMPERATURE SVERTEMP STATUS NC CLOSED OPEN CLOSED STATUS OVERTEMP STATUS NO OPEN CLOSED OPEN NORMAL IS DEFINED AS THE HSP POWERED AND OPERATING WITH NO FAULTS SOURCE POWER WITHIN SPECIFICATIONS OUTPUT POWER WITHIN RATED LIMITS FAN OPERATING AND NO OVERTEMPERATURE CON DITION SENSED CLOSED AND OPEN ARE REFERENCED TO THE ASSOCIATED STATUS COMMON TERMINATION NOTE UPON INITIAL TURN ON FAN AND
63. tor illuminated the meter nor mally displays the actual output voltage present at the error sense terminals If the ACTUAL SETPOINTS switch is depressed with the V A selector switch set to V the display shows the programmed output voltage 1 of that module regardless of the actual output status at the time refer to VSET PAR 3 7 unlike VSET however both actual and setpoint voltages are dis played in volts If desired the programmed setpoint can be adjusted using the previously selected output voltage programming method PAR 3 3 Releasing the ACTUAL SETPOINTS Switch causes the meter to resume displaying actual output voltage AMMETER OPERATION With the V A selector switch set to A position amber A indicator illuminated the meter nor mally displays the actual output current within 12 presently being supplied by the module If the ACTUAL SETPOINTS switch is depressed with the V A selector switch set to the display shows the programmed current limit 196 of that module regardless of the actual current being supplied at the time ref ISET PAR 3 7 unlike ISET and ISHARE however both actual cur rent and setpoint current limit are displayed in amperes If desired the programmed setpoint for current limit can be adjusted using the previously selected current limit programming method PAR 3 5 Releasing the ACTUAL SETPOINTS switch causes the meter to resume displaying actual module output current NOTE Ammeter ac
64. up Time 1 sec maximum at rated output current 21 5 msec transparent power loss no indication Output Hold up 5 msec following power loss indication Time gt 27 msec total time prior to loss of output regulation Turn on Turn off Within load transient response envelope Overshoot CSA Certified SELV CSA 22 2 No 234 M90 Level 5 Immunity See Note 3 Radiated RF Ampl Mod ENV50140 10V m 80 1000MHz Load Transient Response 25 load transient 2A usec rise fall time Maximum 3 of nominal output excursion voltage 100usec return to within 1 of Recovery time set voltage Radiated RF Pulse Mod ENV50204 Pulse 10V m 900MHz Output Polarity All outputs are floating and can be referenced as required by the user at up to 500V d c Magnetic Field EN 61000 4 8 30A m 50Hz PROTECTION Electrostatic Discharge EN 61000 4 2 Contact 4KV Air 8KV Input Fusing Front Panel circuit breaker 2 line Conducted RF ENV50141 10Vrms 0 15 80MHz Low A C Protection HSP Power supplies will self protect no fixed limit Electrical Fast Transient EN 61000 4 4 2KV Tr Th 8 20us Overvoltage Protection Latched shutdown if output voltage exceeds user selected limit see Operating Instructions PAR 3 8 see Note 4 Input Surge EN 61000 4 5 Comm Mode 2KV Diff Mode 1KV Constant current limiting optional undervol Emissio
65. upply and must be capable of handling 296 of the power supply output rating minimum power capability of 20 watts R is calculated as approximately equal to output voltage 20 R 2 For example for the 48 21 R 48 20 115 2 use load of 120 ohms 20 watts CAUTION DO NOT repeatedly toggle the circuit breaker switch as this may damage the unit 4 Set Power ON OFF circuit breaker switch on front panel to ON If actuator does not lock when released wait a few seconds before trying again The circuit breaker is trip free design if overload exists contacts cannot be held closed by actuator Verify that the POWER indicator LED on the front panel is lit and that all other indicator lamps on the front panel are not lit 5 Using a DVM measure the voltage across the output bus bars this voltage is factory set to the value shown in Table 1 1 If necessary adjust the output voltage using the trim pot labeled Vo accessed through the front panel 6 Using the DVM measure the voltage across the front panel test points and this voltage should read Wap of the output voltage measured in step 5 above 1 HSPSERIES OPR 113012 2 3 2 6 2 7 2 7 1 2 4 7 Using the DVM measure the voltage across the front panel test points Imax and this voltage is factory adjusted to 10 0V and corresponds to 100 of maximum current see PAR 3 7 If necessary readjust to 10 0V usi
66. wist both programming lines pins 17 35 together use shielded cable if possible d Remote Inhibit Controls RC1 RC2 Twist either or both programming lines pins 7 8 together with AUXRTN pin 25 if 5VAUX is used to power the external inhibit control circuitry include 5VAUX line pin 26 in twist MECHANICAL KEYING When used with Kepco plug in rack adapters RA 60 and similar HSP power supplies can be configured for extraction from and insertion to an active system or hot swap Hot swapping requires the use of series blocking diodes for each output see Figure 2 7 The HSP incorporates a mechanical keying system to be used in conjunction with the plug in rack adapters to prevent installation of any but the correct model HSP in a given position The keying mechanism is comprised of 7 holes each corresponding to an HSP model all holes are plugged except for the keyway thus providing the keying function in conjunction with a pin installed in each rack adapter position All HSP power supplies are keyed by volt age at the factory It is essential that the user 1 not remove or alter the keyway plugs and 2 replace any plugs which are inadvertently removed in accordance with the view shown in Figure 2 3 To change module keying see instructions accompanying the HSP series plug in rack adapters RETAINING LATCHES HSP series power supplies are provided with 2 retention latches located at each side of the bottom edge o

kepco® operator`s manual

Contents

Download Pdf Manuals

Related Search

Related Contents

kepco&reg; operator`s manual

Contents

Download Pdf Manuals

Related Search

Related Contents

kepco® operator`s manual