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SGA Series DC Power Supplies

1. Figure 3 3 SG Rear Panel with GPIB Option 10V 300V M550129 01 Rev AA 3 3 Operation Sorensen SGA Series Figure 3 2 and Figure 3 3 descriptions 1 RS232 Connector 2 SENSE Connector 2a HV SENSE Connector 3 ANALOG CONTROL 4 Configuration Switch 5 Parallel In Connector 6 GPIB Connector 7 Parallel Out Connector 8 Output Bus Bars 9 Ground 10 AC Input Connectors 3 4 Connector for remote control J3 Input connector for load voltage sensing to correct for line drops in the load cables see Section 3 6 J3 Input connector for load voltage sensing 800V models only J1 connector for input programming and analog output monitoring signals as well as status indication and remote shutdown signals See Table 3 1 for individual pin descriptions Four position DIP switch to configure the unit with a GPIB option Allows master slave configuration of up to five units when connected to another unit s Parallel Out connector See Section 3 10 Connector for remote control Allows master slave configuration of up to five units when connected to another unit s Parallel In connector See Section 3 10 Positive and negative outputs Connection for ground wire Connectio
2. Figure 3 5 SG Rear Panel with Ethernet Option 10V 30V M550129 01 Rev AA 3 5 Operation 4a 10 11 12 13 3 6 Sorensen SGA Series Figure 3 4 and Figure 3 5 descriptions ETHERNET Connector RS232 Connector ANALOG CONTROL SENSE Connector HV SENSE Connector LAN RESET Switch Configuration Switch External User Connector Parallel In Connector Parallel Out Connector Output Bus Bars Ground AC Input Connectors Connector for remote control via Ethernet Connector for remote control J1 connector for input programming and analog output monitoring signals as well as status indication and remote shutdown signals See Table 3 1 for individual pin descriptions J3 Input connector for load voltage sensing to correct for line drops in the load cables see Section 3 6 J3 Input connector for load voltage sensing 800V models only LED steady lit indicates Network connectivity blinking indicates Instrument ID See SG Series Programming Manual Returns configuration parameters to factory default settings Four position DIP switch to configure the unit with a Remote Digital Programming option Provides external auxiliary control signals Allows master slave configuration of up to five units when connected to another unit s Paralle
3. for Installat mensions Figure 2 10 SGA 800V Detailed Chassis D M550129 01 Rev AA 1 18 Sorensen SGA Series Installation 26 5522 r4 5888 52542 gt 52552 942225 5898 21 25535 82520 Luz LL 2 X N REINSTALL SCREW TO SECURE BRACKET SECURE TOP AND SIDE WITH SCREW 7 INSTALL TOP COVER INSTALL LOWER COVER BRACKET REMOVE 4 EXISTING SCREW BUS BAR COVER 2 3 4 5 Figure 2 11 Instructions for Assembly of DC Covers M550129 01 Rev AA 1 19 Installation Sorensen SGA Series DC cover can be used in SGA 10V 30V models only AC cover can be used in all 3U chassis of SGA family 1 20 M550129 01 Rev AA SECTION 3 OPERATION 3 1 INTRODUCTION The SGA series provides simplicity and ease of analog front panel potentiometer controls LED screens display bright easy to read voltage and current output measurements This section provides detailed information on the operation of the SGA series WARNING The power up factory default state is output enabled 3 2 CONTROLS AND INDICATORS 3 2 1 FRONT PANEL The following pages provide illustrations and tables of corresponding descriptions of the various SG Series rear panel configurations Figure 3 1 SGA Front Panel Controls and Indica
4. Figure 2 3 SGA Dimensions 3U Model 4kW to 15kW 10V 30V M550129 01 Rev AA Installation Sorensen SGA Series 19 00 i PCI Bs VIR 2 T Coco 3 Lr ed hod 10 47 1 Figure 2 4 SGA Dimensions 60 Models 20kW to 30kW 1 12 550129 01 Sorensen SGA Series Installation 2 8 INSTALLATION 0 ta v ze SLL 97 5 0 2 69 00 92 gt x 5 lt d o 9 8 2 lt 8 5 9 01 5 2 5 852 85 9 Sie fb 39 5 m Ou o9 o a xS 2 25 E x8 EE 5 5 of 9 E 34 zi 2252 5 2 Yooe 2 20 2 2 8 amp 8 8 9 52 0000 ig g 5 55 yg 55 5 _ gt 642 5 P 5 5 2 229 9 99 S 022 x 200 a 468 88 99 214 gt 98 szu 2 5 5 amp 28 596 xk 9 p o 05 10 4L ye Beg yy rer 20
5. 3 11 3 3 5 Overvoltage 3 12 3 3 6 Analog Control Connector 1 1 200 222 0 000 3 13 Remote Current 22 3 17 3 4 1 Remote Current Programming Using 3 17 3 4 2 Remote Current Programming Using 0 5 0 10 VDC Voltage Source 3 18 Remote Voltage Programuting eoe tu dede 3 19 3 5 1 External Voltage Programming Using Resistance 3 19 3 5 2 External Voltage Programming Using 0 5 0 10 VDC Voltage Source 3 20 Senses 3 21 Remote Output ON OPF Gonlkol sitet rro 3 23 3 7 1 Remote Output ON OFF by Contact Closure seen 3 23 3 7 2 Remote Output ON OFF Control by an External 12 to 240 VAC or 6 to 120 VDC or 5 500 tierce Here adeb Ene I EL e Der ota e reru 3 23 Remote Overvoltage 3 24 Remote Sh td wn SP yere i eco ci ues ERO DR 3 25 Parallel and Series 3 26 3 10 1 Parallel Operation et eee ete ende de to cei tud 3 26 3 10 2 Senes ODerallOn cce eh
6. 3 5 SG Rear Panel with Ethernet Option 10 30 3 5 SGA 60 Rear Panel with GPIB RS232 Option Connectors 3 7 Shaft LOCK 3 8 ANALOG CONTROL Connector J1 3 13 Remote Current Programming Using 3 17 Remote Current Programming Using 0 5 or 0 10 VDC Voltage Source 3 18 Remote Voltage Programming Using Resistance 3 19 Remote Voltage Programming Using 0 5 or 0 10 VDC Voltage Source 3 20 Local Remote Voltage 3 21 Remote Sensing Operation at the 3 22 Remote Output ON OFFControl by Contact Closure 3 23 Remote Output ON OFF Using Isolated AC or DC Voltage Source 3 23 Remote Output ON OFF Using Isolated TTL CMOS Voltage Supply 3 24 Remote Overvoltage Set Using DC Voltage 3 24 Remote Shutdown Using DC Voltage Source 3 25 Parallel and Remote Local Sense Connections 3 27 M550129 01 Rev AA xvii CONTENTS Sorensen SGA Series This page intentionally left blank xviii M550129 01 Rev AA 1 1 SECTION 1 OVERVIEW GENERAL DESCR
7. PROGRAMMABLE POWER Sorensen SGA Series DC Power Supplies Operation Manual M550129 01 Rev AA www programmablepower com About AMETEK Programmable Power Inc a Division of AMETEK Inc is a global leader in the design and manufacture of precision programmable power supplies for R amp D test and measurement process control power bus simulation and power conditioning applications across diverse industrial segments From bench top supplies to rack mounted industrial power subsystems AMETEK Programmable Power is the proud manufacturer of Elgar Sorensen California Instruments and Power Ten brand power supplies Inc is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of 2 5 billion The Company has over 11 000 colleagues working at more than 80 manufacturing facilities and more than 80 sales and service centers in the United States and around the world Trademarks AMETEK is a registered trademark of AMETEK Inc Other trademarks registered trademarks and product names are the property of their respective owners and are used herein for identification purposes only Notice of Copyright SGA Series DC Power Supplies Operation Manual 2010 2011 AMETEK Programmable Power Inc All rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING AMETEK PROGRAMMABLE POWER INC a
8. CAUTION If the power supply is operated with load power lines disconnected and sensing line connected internal power supply damage may occur Output current then flows through sensing terminals 3 22 To use remote voltage sensing connect the power supply as described below See Figure 3 14 for connection requirements Connect sensing leads from the load positive to J3 1 and the load negative to J3 2 load negative to J3 3 on 800V models A shielded twisted pair hookup wire is recommended to avoid potential noise interference ANV LOAD 07143 E J3 1 SENSE 4 J3 2 SENSE 3 SENSE 800V ONLY ow J3 3 SENSE 800V OUTPUT TERMINALS Figure 3 14 Remote Sensing Operation at the Load M550129 01 Rev AA Sorensen SGA Series Operation 3 7 REMOTE OUTPUT ON OFF CONTROL Remote output on off control may be accomplished by contact closure or by an isolated external AC DC or TTL CMOS voltage source 3 7 1 REMOTE OUTPUT ON OFF BY CONTACT CLOSURE Output is on when contacts J1 5 and J1 6 are closed See Figure 3 15 for connection requirements a o o o lt 14 5 6 ses C Figure 3 15 Remote Output ON OFFControl by Contact Closure 3 7 2 REMOTE OUTPUT ON OFF CONTROL BY AN EXTERNAL 12 TO 240 VAC OR 6 TO 120 VDC
9. 5 WARRANTY AS THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION b ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES DAMAGES COSTS OR EXPENSES WHETHER SPECIAL DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER S RISK AND c REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION THE ACCURACY CANNOT BE GUARANTEED APPROVED AMETEK CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT WWW PROGRAMMABLEPOWER COM Date and Revision June 2012 Revision AA Part Number M550129 01 Contact Information Telephone 800 733 5427 toll free in North America 858 450 0085 direct Fax 858 458 0267 Email sales programmablepower com service programmablepower com Web www programmablepower com M550129 01 Rev AA vii This page intentionally left blank viii M550129 01 Rev AA IMPORTANT SAFETY INSTRUCTIONS Before applying power to the system verify that your product is configured properly for your particular application Hazardous voltages may be present when covers are removed Qualified personnel must use extreme caution when servicing this equipment Circuit boards test points and output voltages also may be fl
10. Parameter Specification Temperature 0 02 of maximum output voltage rating for voltage set point Coefficient 0 03 of maximum output current rating for current set point Ambient Temperature Operating 0 to 50 C Storage 25 to 65 Coolin Internal fans vents on sides and rear Units may be stacked without g clearance above or below Humidity 95 maximum non condensing 0 to 50 C 45 C maximum wet bulb temperature Operating full power available up to 5 000 feet 1 524m Altitude derate 10 of full power for every 1 000 feet higher non operating to 40 000 feet 12 192m Agency Approvals CE Mark to the Low Voltage and EMC directives NRTL approved to UL 1012 UL 61010 EN 61010 IEC 61010 1 2 2 ELECTRICAL CHARACTERISTICS The voltage accuracy specifications are valid only with remote sense connected Parameter Specification Input Power Voltage Standard 208 230 VAC 10 tested to 187 253 VAC Voltage Options 380 400 VAC 10 tested to 342 440 VAC 440 480 VAC 10 tested to 396 528 VAC Frequency 47 to 63 Hz 400 Hz Phases 3 phase 3 wire plus ground Not phase rotation sensitive Neutral not used Front Panel Meter Accuracy Voltage 10 596 of full scale 1 digit Current 0 5 of full scale 1 digit 1 2 M550129 01 Rev AA Sorensen SGA Series Overview Parameter Specification Load Regulation
11. ir ee art reco vd 3 27 MAINTENANCE enun nn nana uuu Hana Huan aun uaa 4 1 4 1 4 2 4 3 HATO GUC TION UR 4 1 Preventive Maintenance 4 1 USCS cic rd no nce DENM 4 3 LIST OF TABLES xvi Table 2 1 5kW to 15kW and 20kW to 30kW Series Input Output Connectors 1 4 Table 2 2 Input Connections 1 4 Table 2 3 Output 1 5 Table 2 4 Minimum Wire 12 1 6 Table 2 5 Wire Resistance and Voltage 1 7 Table 2 6 Maximum AC Current 1 8 Table 2 7 Recommended LUGS 1 8 Table 2 8 Recommended Sense Connector Tools 1 8 Table 3 1 ANALOG CONTROL Connector J1 Designations and Functions 3 16 Table 4 1 Recommended Annual 4 2 M550129 01 Rev AA Sorensen SGA Series CONTENTS LIST OF FIGURES Figure 1 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3
12. 2 2 o Ou 5 852 8 8 9 S61 20 00 957 Figure 2 5 Panel Input Output Connector Locations Models 40V 600V M550129 01 Rev AA 1 13 Sorensen SGA Series Installation 8E BS S gs c3 ee BS gf 22 a8 208 88 38 be L 2 OL 4 6 8 0 0 88 200000000900 pom 000 00000000 oO ie ow 000 e amp fes 000000 Bi 28 gt a ES 4 E miu Gon 1 ZW BasggBug un lt 225 5 9 6 Nid S 0 ans a 46 Dis i0193NNOO HOLIMS 8 ZEZSY 8 303 18100 70 000 0 0 60 Nd anis oz g SISSVHO 2 660 10 66 X310 HOLO3NNOO 2 91 Dis
13. 0 10 VDC 05VDC 13 22 VOLTAGE VOLTAGE SOURCE 7 Figure 3 12 Remote Voltage Programming Using 0 5 0 10 VDC Voltage Source 3 20 M550129 01 Rev AA Sorensen SGA Series Operation 3 6 REMOTE SENSING Remote voltage sensing is recommended at all times whether you connect sensing leads to the load or directly to the output terminals Remote sensing at the load provides the best load regulation In applications where the load is located some distance from the power supply or the voltage drop of the power output leads significantly interferes with load regulation remote voltage sensing should definitely be used The voltage accuracy specifications are valid only with remote sense connected Disconnecting the remote sense leads will introduce an error with the output voltage increasing The error occurs because an additional resistance PTC local resistor network in Figure 3 13 is added in the circuit of the resistor divider for voltage sensing to provide the default local sensing of the output voltage at the output terminals When remote sense is connected the PTC local resistor network is short circuited effectively removing it from the circuit Remote Sense Resistor Divider nin Sense Remote Sense Amplifier Out ower Out Converter Figure 3 13 Local Remote Voltage Sensing M550129 01 Rev AA 3 21 Operation Sorensen SGA Series
14. J1 24 The voltage coefficient for 5V remote current programming is 50 millivolts 196 of rated output i e for a 300 amp model each 50 millivolts of programming voltage equals 3 amps of output current The voltage coefficient for 10V remote current programming is 100 millivolts 196 of rated output i e for a 300 amp model each 100 millivolts of programming voltage equals 3 amps of output current See Figure 3 10 for connection requirements 1 16 IP 10V COM 6 IP5V 10 e 0 5VDC lt o 23 IP RTN 1 0 10 VDC VOLTAGE _ _ VOLTAGE SOURCE O T SOURCE V D Figure 3 10 Remote Current Programming Using 0 5 or 0 10 VDC Voltage Source 3 18 M550129 01 Rev AA Sorensen SGA Series Operation 3 5 REMOTE VOLTAGE PROGRAMMING Remote voltage programming configuration is used for applications that require the output voltage be programmed controlled from a remote source An external resistance or external voltage source may be used as a programming device When using remote voltage programming a shielded twisted pair hookup wire is recommended to prevent noise interference with programming signals 3 5 1 EXTERNAL VOLTAGE PROGRAMMING USING RESISTANCE The resistance coefficient for remote voltage programming is 5k ohms 100 of rated output voltage with respect to the VP RTN J1 20 The programming current from terminal J1 21 VP RES is factory
15. The tables below will assist in determining the appropriate wire size for both the input and output connections Table 2 4 below gives minimum recommended wire size This table is derived from the National Electrical Code it is for reference only Local laws and conditions may have different requirements Note that these recommendations are for copper wire only For higher ratings wires can be paralleled refer to the National Electrical Code Size Temperature Rating of Copper Conductor 60 75 85 90 Types RUW Types FEPW Types V MI Types TA TBS AWG T TW UF RHW RH RUH SA AVB SIS FEP MCM THW THWN FEPB RHH THHN XHHW USE ZW XHHW Current Rating 14 20 20 25 25 12 25 25 30 30 10 30 35 40 40 8 40 50 55 55 6 55 65 70 75 4 70 85 95 95 3 85 100 110 110 2 95 115 125 130 1 110 130 145 150 0 125 150 165 170 00 145 175 190 195 000 165 200 215 225 0000 195 230 250 260 1 6 Table 2 4 Minimum Wire Size M550129 01 Rev AA Sorensen SGA Series Installation When determining the optimum cable specification for your power applications the same engineering rules apply whether going into or out of an electrical device Thus this guide applies equally to the input cable and output cable for this Sorensen instrument and application loads Power cables must be able to safely carry maximum load current without overheating or caus
16. 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 Figure 3 11 Figure 3 12 Figure 3 13 Figure 3 14 Figure 3 15 Figure 3 16 Figure 3 17 Figure 3 18 Figure 3 19 Figure 3 20 Model Number Decoding 1 1 Diode Connection 204000000000 1 9 SGA Dimensions Model to 15kW 40V 800V 1 10 SGA Dimensions 3U Model 4kW to 15kW 10V 30V 1 11 SGA Dimensions 60 Models 20kW to 1 12 Rear Panel Input Output Connector Locations Models 40V 600V 1 13 Rear Panel Input Output Connector Locations Models 10V 30V 1 14 800V Rear Panel Input Output Connector Locations 1 15 SGA Detailed Chassis Dimensions for Installation Models 40V 600V 1 16 SGA Detailed Chassis Dimensions for Installation Models 10V 30V 1 17 SGA 800V Detailed Chassis Dimensions for Installation 1 18 Instructions for Assembly of AC and DC Covers 1 19 SGA Front Panel Controls and Indicators 30 model shown 3 1 SG Rear Panel with GPIB Option 40 800 3 3 SG Rear Panel with GPIB Option 10 300 3 3 SG Rear Panel with Ethernet Option 40 800
17. Buyer with replacement parts for the Product The Buyer will at its expense return the defective Product or parts thereof to AMETEK in accordance with the return procedure specified below AMETEK will at its expense deliver the repaired or replaced Product or parts to the Buyer Any warranty of AMETEK will not apply if the Buyer is in default under the Purchase Order Agreement or where the Product or any part thereof is damaged by misuse accident negligence or failure to maintain the same as specified or required by AMETEK is damaged by modifications alterations or attachments thereto which are not authorized by AMETEK isinstalled or operated contrary to the instructions of AMETEK is opened modified or disassembled in any way without AMETEK s consent or is used in combination with items articles or materials not authorized by AMETEK The Buyer may not assert any claim that the Products are not in conformity with any warranty until the Buyer has made all payments to AMETEK provided for in the Purchase Order Agreement PRODUCT RETURN PROCEDURE Request a Return Material Authorization RMA number from the repair facility must be done in the country in which it was purchased In USA contact the AMETEK Repair Department prior to the return of the product to AMETEK for repair Telephone 800 733 5427 ext 2295 or ext 2463 toll free North America 858 450 0085 ext 2295 or ext 2463 direct
18. Connector 3 14 L Loads Inductive 1 9 Location and Mounting 1 2 Maintenance Annual Inspection 4 2 Fuses 4 3 Preventive 4 1 Master Slave Operation 3 27 Mounting Hardware 1 3 INDEX N Noise 1 4 1 5 Operation Current Mode 3 12 Local 3 10 Master Slave 3 27 Parallel 3 27 Remote Current Programming 3 18 Remote Output On Off Control 3 24 Remote Overvoltage Setpoint 3 25 Remote Sensing 3 22 Remote Shutdown 3 26 Remote Voltage Programming 3 20 Series 3 28 Voltage Mode 3 11 Overvoltage Protection 3 13 Ozone Precaution 1 2 P Parallel Operation 3 27 Rack slides 1 2 Remote Current Programming 3 18 Remote Output On Off Control 3 24 Remote Overvoltage Setpoint 3 25 Remote Sensing 3 22 Remote Shutdown 3 26 Remote Voltage Programming 3 20 Ripple 1 4 1 5 M550129 01 Rev AA Index 5 Index S Series Operation 3 28 Setup 3 11 Shaft Lock 3 9 Specifications 1 2 Current 1 4 Electrical Characteristics 1 2 Environmental Characteristics 1 2 Noise 1 4 Physical Characteristics 1 5 Index 2 Sorensen SGA Series Ripple 1 4 Voltage 1 4 Ventilation 1 2 Voltage Mode Operation 3 11 Wire Size 1 6 M550129 01 Rev AA
19. OR TTL CMOS SOURCE Application of AC DC or high state TTL CMOS voltage will turn on the power supply See Figure 3 16 and Figure 3 17 for connection requirements Kat P _ ISO ON OFF 1 150 2 AC OR DC SOURCE 14 d eee loo o 25 Figure 3 16 Remote Output ON OFF Using Isolated AC DC Voltage Source 2 M550129 01 Rev 3 23 Operation Sorensen SGA Series O 1 n 14 ISO 2 o 2 25 TN gt d Figure 3 17 Remote Output ON OFF Using Isolated TTL CMOS Voltage Supply 3 8 REMOTE OVERVOLTAGE SETPOINT CAUTION N Do not program the remote overvoltage set point greater than 1096 5 5 above the power supply rated voltage except as noted as internal power supply damage may occur A remote DC voltage source can be connected externally between terminals J1 6 COM and J1 3 REM OV SET to set the output overvoltage trip level A 0 25 5 5 VDC signal equals 5 110 of rated output voltage See Figure 3 18 for connection requirements Q 3 0 5 5 29 VOLTAGE COM 6 SOURCE Pa xe X Figure 3 18 Remote Overvoltage Set Using DC Voltage Source Note The Remote OVP trip level will ALWAYS take precedence over the local tr
20. Outside the United States contact the nearest Authorized Service Center A full listing can be found either through your local distributor or our website www programmablepower com by clicking Support and going to the Service Centers tab When requesting an RMA have the following information ready Model number Serial number Description of the problem NOTE Unauthorized returns will not be accepted and will be returned at the shipper s expense NOTE A returned product found upon inspection by AMETEK to be in specification is subject to an evaluation fee and applicable freight charges xii M550129 01 Rev AA NOTICE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense M550129 01 Rev AA xiii ABOUT THIS MANUAL This manual has been written expressly for the Sorensen SGA Series of power supplies that have bee
21. Specified at no lo ad to full load nominal AC input Voltage 0 0296 of maximum output voltage 40V 800V 0 05 of maximum output voltage 10V 30V Current 0 196 of maximum output current Line Regulation Specified 10 of nominal AC input constant load Voltage 0 05 of maximum output voltage 10V 30V 0 0196 of maximum output voltage 40V 800V Current 0 05 of maximum output current Transient Response A 50 step load will recover to within 0 7596 of original value within 1 ms Down Programming With no load the output will program from 100 to 10 in less than 1 5 seconds Stability 0 05 of set point over 8 hours at fixed line load and temperature using remote sense and after 30 minute warm up Remote Control Monitor On Off control via contact closure 6 120 VDC or 12 240 VAC and TTL or CMOS switch output voltage and current monitor OVP limit set summary fault status Power Factor gt 0 9 typical for 208 220VAC input 10V 800V 70 78 typical for 380 400VAC input 40V 800V gt 0 9 typical for 380 400VAC input 10V 30V gt 0 7 typical for 440 480VAC input 40V 800V gt 0 9 typical for 440 480VAC input 10V 30V Efficiency 8796 typical at full load nominal line Analog Remote Programming Accuracy Constant Voltage 0 25 of full scale output for 0 5V range 0 5 0 10V range Constant Curr
22. an interface cable P N 890 453 03 to connect the PAR OUT connector on the designated Master power supply to the PAR IN connector on the second power supply Slave 1 2 Onthe second power supply Slave 1 use another interface cable to connect the PAR OUT connector to the third power supply s Slave 2 PAR IN connector Continue these interconnections up to a maximum of 5 power supplies 3 Connect the Positive output terminals of all the power supplies and the Load 4 Connect the Negative output terminals of all the power supplies and the load 5 Confirm that there are no shorts between the Positive and Negative output terminals 6 Referring to Figure 3 20 connect twisted pair cables as follows All slave units shall have twisted pairs from their SENSE terminals to their output terminals as appropriate For Remote Sense the master unit shall have a twisted pair from its own SENSE terminals to the Load s output terminals For Local Sense the master unit shall have a twisted pair from its own SENSE terminals to its own output terminals Ensure that all twisted pair cables are as short as possible M550129 01 Rev AA Sorensen SGA Series Operation A il _7 INTERFACE CABLE Y 7 _ INTERFACE CABLE P 7 890 453 03 A 890 453 03 PARALLEL WITH REMOTE SENSING block diagram PARALLEL WITH LOCAL SENSING block diagram NOTE The voltage display on the slave units NOTE The twisted pair cable
23. connector the rear panel allows the unit to be configured for different operating configurations local and remote current programming local and remote voltage programming current and voltage output monitoring output enable disable etc The setup and operating requirements of each configuration are provided in Sections 3 4 through 3 9 ISOLATED ANALOG CONTROL OPTION The Isolated Analog Control uses the same Analog Control connector J1 This option fully isolates remote control signals and allows control of units not connected to a common ground Control ground is isolated from power ground which protects against potential damage from systems with high electrical noise or large ground loop currents Note Some standard analog programming signals may not be available with this option See Table 1 2 2 for details Operation CAUTION This option is not intended to allow operation of the power supply at excessive voltages Refer to Section 2 INSTALLATION for maximu terminal voltages m Following are Figure 3 8 with the connector s pin out diagram and Table 3 1 with ANALOG CONTROL connector designations and functions 13 1 p I 000000000000 25 14 Figure 3 8 ANALOG CONTROL Connector J1 Pin out M550129 01 Rev AA 3 13 Operation Sorensen SGA Series Designator Schematic Symbol Electrical Chars Functional Description ISO ON OFF Zin 6 Isolated remo
24. io193NNO9 9 20 001 68 Nd dA 9 12 1 XIN3OHd HO193NNOO SALON Figure 2 6 Rear Panel Input Output Connector Locations Models 10V 30V M550129 01 Rev AA 1 14 Installation Sorensen SGA Series MOVE SISSVHO Ng ag 38 os o 84 AS JARI 88 58 R ge RS 25 88 88 88 nd ae D gt E vU
25. length must be as will be slightly higher than the master unit short as possible The twisted pair cable length must be as short as possible Figure 3 20 Parallel and Remote Local Sense Connections Note The OVP circuit remains active for all units in parallel operation If the units are set to different OVP levels the paralleled system will trip according to the lowest setting For ease of use adjust the OVP levels for the slaves to maximum and adjust the master OVP level to the desired setting 3 10 2 SERIES OPERATION Series operation is used to obtain a higher voltage single output supply using two units To set up series operation Connect the negative terminal of one supply to the positive terminal of the next supply of the same model The total voltage available is the sum of the maximum voltages of each supply add voltmeter readings Notes e Under no condition should the negative output terminal of any power supply exceed 300V to Earth ground This is limited by the creepage clearance distances internal to the construction If a M550129 01 Rev AA 3 27 Operation Sorensen SGA Series higher output voltage range is required contact the Sales Department or Customer Service for availability e The maximum allowable current for a series string of power supplies is the rated output current of a single supply in the string e Remote sensing should not be used during series operation Afree wheeling di
26. potential as the negative output terminal Damage may occur if the non isolated analog control connector of a supply is connected to an external ground referenced input output device Such a connection creates ground loop currents To correct ground loop problems the Isolated Analog option is advised in order to isolate the external ground reference signals from the internal control circuitry of the supply Table 2 1 provides details of the SGA Series input and output connectors and their functions Table 2 2 describes the input connector types and Table 2 3 describes the output connector types Connector Function Connects To FL1 Prime AC Power Input 208 220 VAC Std See Table 2 2 380 400 VAC Option FL1 AC Not phase rotation sensitive Neutral not 440 480 VAC Option Chassis GND used 47 63 Hz 400 Hz Output Power User load s Pos Bus Bar 3U models see Table 2 3 Neg Bus Bar Pos Bus Bar 6U models see Table 2 3 Neg Bus Bar ANALOG CONTROL Controliinterfac See Table 3 1 for Connector J1 description Sense Connector Used for remote sense Refer to Section 3 6 Parallel In Out Used for parallel operation Refer to Section 3 10 Table 2 1 5kW to 15kW and 20kW to 30kW Series Input Output Connectors Power Supply Type 4 kW to 15 kW Feed through high current terminal block 20 kW to 30 kW Bus Bar with holes for 1 4 20 bolts Table 2 2 Input Connecti
27. set to 1 milliampere This yields a coefficient of 1 0 of rated output voltage for each 50 ohms If multiple switches or relays are used to program different levels make before break contacts are recommended Note If an external resistance is used for remote programming the voltage programming return VP RTN terminal J1 20 must be connected directly to or within 3 volts see note of the power supply common terminal J1 24 See Figure 3 11 for connection requirements EN WEE 19 10 07070 14 6 20 21 VP RES 000000 13 70 5 Kohms Figure 3 11 Remote Voltage Programming Using Resistance M550129 01 Rev AA 3 19 Operation Sorensen SGA Series 3 5 2 EXTERNAL VOLTAGE PROGRAMMING USING A 0 5 OR 0 10 VDC VOLTAGE SOURCE A DC voltage source for remote voltage programming is connected between J1 9 VP 5V or J1 15 VP 10V and the return terminal J1 20 VP RTN Note The return terminal VP RTN must be referenced directly to or within X3V of the power supply common J1 24 The voltage coefficient for 5V remote voltage programming is 5 volts 100 of rated output voltage The voltage coefficient for 10V remote voltage programming is 10 volts 10096 of rated output voltage See Figure 3 12 for connection requirements 1 6 2 15 VP 10V COM 6 20 VP RTN VP5V9 n
28. 0 0 f 5 L 0 L 0 m d 0 0 992 0 0 ae O 69 2 00000066 re erz i oe nup 69 7 4 83 Ez H Hd 5 gt Mh amp i j B oes 170 Q T 1 el gt IS Ir 1 D eoi 225 N Y leer 9 A A e W 41 _ 5 d6 9 ld 4 ais b Homs 6 5 d6 145 HOLOANNOO HOLO3NNOO 8 3HVMQHVH 02 1 ISN STVNINHAL 0 000 070 60 HVOTa anis 02 SISSVHO 2 10 66 XB TOW HOIOJNNOO 2 20 001 069 HVOTA LS HOLOANNOO 9 9 91 LOVLNOO HOLOANNOO SALON 1 15 Figure 2 7 800V Rear Panel Input Output Connector Locations M550129 01 Rev AA Installation Sorensen SGA Series 415 m p gn L Tim nrn i 5 d 95 59 38 EI 64 2 5 BUSBAR COVER 1 00 1583 Y 191 7 50 PEM NUTS 8 32 FOR SLIDE KIT OPTIONAL ELGAR PN K550212 01 SGA Detailed Chassis Dimensions for Installat
29. 0 1 PPM 0 2 mg m gt gt 7 v v BURN HAZARD Hot Surface Warning Allow to cool before servicing 1 2 Please refer to sections 2 7 and 2 8 for dimensional and installation drawings M550129 01 Rev AA Sorensen SGA Series Installation 2 3 1 RACK The SGA Series models are designed for mounting in a standard 19 inch equipment rack If additional instrumentation is mounted in the rack no additional clearance is required above or below units in the SGA Series 1 Support the unit using rack mount slides or appropriate L brackets suggested parts are listed below Rack Mount Slide Kit 4 15kW units P N K550212 01 20 30kW units P N K550213 01 2 Secure the unit in place using the screws provided 2 3 2 6U CHASSIS REMOVAL FROM RACK The slides have a Front Disconnect Feature and lock at full extension To return the chassis back into the rack from full extension depress the flat steel spring inward located on the slides and push the chassis back To disconnect and remove the chassis from the rack depress the flat steel spring inward located on the slides and pull the chassis forward b WARNING A minimum three person lift is required for the 6U SGA Series unit which weighs up to 160 lbs 73kg depending on the model 2 4 When the chassis is at full extension the flat springs are located approximately one 1 inch behind the front EIA RETMA rails Access the
30. 0 VDC indicates a converter temperature or bias supply fault and the LED on the front panel will illuminate Circuit return Pin 6 COM 18 S D FAULT Zout 1000 Shutdown fault This terminal goes to high state in the event of converter temperature overvoltage or bias supply fault A 7 VDC to 13 3 VDC signal can be applied to this pin to shutdown the output of the unit An 8 VDC minimum output signal is provided into a 10 minimum load in the event of an internally generated shutdown Circuit return Pin 6 COM See Section 3 9 19 V MON Zout 1000 Output voltage monitor 0 10 VDC equals to 0 100 rated voltage Minimum load resistance 10kQ Circuit return Pin 6 COM 20 VP RTN Zin 100 Voltage programming return Used with J1 9 J1 15 or J1 21 and must be referenced to Pin 6 COM circuit common 21 VP RES 10 8V compliance 1 milliamp current source for remote voltage programming using resistance 0 5k ohm resistor referenced to Pin 4 or Pin 20 VP RTN will program the output voltage from 0 10096 See Section 3 5 M550129 01 Rev AA 3 15 Operation Sorensen SGA Series c Schematic Electrical ree S Symbol Chars Functional Description 1 milliamp current source for remote current programming 22 IP RES 10 8V using resistance 0 5k ohm resistor referenced to Circuit compliance return Pin 23 or Pin 25 IP RT
31. IPTION The Sorensen SGA Series power supplies are general purpose power supplies designed specifically for laboratory test and systems applications requiring variable DC sources with good ripple and regulation characteristics These power supplies are constant current constant voltage supplies with an automatic crossover feature A variety of user interfaces are available ranging from manual front panel control and standard non isolated remote analog control to optional GPIB Ethernet or isolated remote analog control Figure 1 1 decodes the SG Series model number SG 100 100 C 1A SG AA Control Designation _ Process Options Voltage Remote Control Options 5 15kW 20 30kW Input Voltage Options Current For units up to 999A Current is represented in numeric format e g above 100 represents 100A For units at 1000A and above the Current is represented by the format XKX e g 1K2 represents 1200A Figure 1 1 Model Number Decoding M550129 01 Rev AA 1 1 Overview Sorensen SGA Series 1 2 SPECIFICATIONS The following subsections provide environmental electrical and physical characteristics for the SGA Series power supplies Note Specifications are subject to change without notice Note The SGA Series power supplies are intended for indoor use only Please refer to Section 2 3 for use location requirements 1 2 1 ENVIRONMENTAL CHARACTERISTICS
32. N will program the output current from 0 100926 See Section 3 4 Current programming return Used with J1 10 J1 16 or 23 IP RTN Zin 10kQ J1 22 and must be referenced to Pin 6 COM circuit common 24 Circuit Electrically equal to Pin 6 Same potential as the negative output terminal Current programming return Used with J1 10 J1 16 or 25 IP RTN Zin 10kQ J1 22 and must be referenced to Pin 6 COM circuit common Table 3 1 ANALOG CONTROL Connector J1 Designations and Functions Control ground is isolated from power ground with the isolated analog control option See Section 3 3 1 Signals not available with isolated analog control option CAUTION If standard analog programming is used note the programming return J1 6 amp J1 24 is at the same potential as the negative output terminal of the power supply Observance of return connections should be made with respect to input programming signal equipment Improper connection may result in ground loops and as a result internal power supply damage may occur Output current then flows to chassis by means of external connection to the J1 common J1 6 amp J1 24 3 16 M550129 01 Rev AA Sorensen SGA Series Operation 3 4 REMOTE CURRENT PROGRAMMING Remote current programming is used for applications that require the output current be programmed controlled from a remote source An external resistance or
33. RALLEL OUT RS232 Connector 6 Configuration Switch 7 Connector 8 Input Bus Bars M550129 01 Rev AA J1 connector for input programming and analog output monitoring signals as well as status indication and remote shutdown signals See Table 3 1 for individual pin descriptions J3 input connector for load voltage sensing to correct for line drops in the load cables see Section 3 6 Connector allowing master slave configuration of up to five units when connected to another unit s PARALLEL OUT connector see Section 3 10 Connector allowing master slave configuration of up to five units when connected to another unit s PARALLEL IN connector see Section 3 10 Connector for remote control Eight position DIP switch to configure an SGA Series unit with a Remote Digital Programming option Note Some models are designed with a four position DIP switch Connector for remote control Connection for 3 phase AC and Ground 3 7 Operation Sorensen SGA Series 3 2 2 SHAFT LOCK OPTION This option replaces the standard control knobs with a two piece shaft lock These are installed over the voltage and current adjustment potentiometer shafts to prevent rotating under conditions of shock vibration or accidental contact For adjustment the following steps apply e Loosen the shaft by rotating the outer locking nut counter clockwise with a 7 16 inch wrench Adjust the shaft with a flat screwdriver to the des
34. TIVE SUPPLY SETUP Attach the negative output terminal to the supply chassis The output reference is now chassis ground When the output voltage is set or programmed the supply will output a positive potential from chassis ground NEGATIVE SUPPLY SETUP Attach the Positive output terminal to the supply chassis The output reference is now chassis ground When the output voltage is set or programmed the supply will output a negative potential from chassis ground A N CAUTION Floating the negative output terminal floats the power supply s internal control circuitry common level to the same potential as the negative output terminal On a standard non isolated supply the common of the analog control connector J1 floats at the same potential as the negative output terminal Damage may occur if the non isolated analog control connector of a supply is connected to an external ground referenced input output device Such a connection creates ground loop currents To correct ground loop problems the Isolated Analog option is advised in order to isolate the external ground reference signals from the internal control circuitry of the supply M550129 01 Rev AA 3 9 Operation Sorensen SGA Series 3 3 2 INITIAL SETUP 1 Before connecting the unit to an AC outlet ensure that the front panel ON OFF power switch is in the OFF position 2 Ensure that the Voltage and Current control knobs are fully counterclockwise 3 Check
35. ally shipped attached to rear panel J1 e Back shell for J1 DB25 mating connector Cinch P N DCH B 001 or equivalent M550129 01 Rev AA 1 1 Installation Sorensen SGA Series 2 3 e Bolt lock washer and nut for output power connections 20 30 kW 3 8 16UNC 2B x 1 4 4 ea for AC input 3 8 16UNC 2B x 3 8 2 ea for DC output e Black screw 10 32UNC 2B 1 2 front panel rack fastener 5 15 kW 40 800V 4 ea 4 15Kw 10 30v 1 2 13UNC 2B x 1 5 long 4 ea 20 30 kW 8 ea Note If any of these parts are missing please contact Customer Service at 858 458 0223 local or 1 800 733 5427 toll free LOCATION AND MOUNTING WARNING To reduce the risk of fire or electrical shock install the SGA Series unit in a temperature and humidity controlled indoor area free of conductive contaminants 7 7 7 7 v 7 CAUTION The unit should be provided with proper ventilation The rear and both sides of the unit should be free of obstructions To ensure proper airflow a minimum 4 clearance from the rear air outlet is required The unit should not be installed in a raised ambient temperature greater than 50 CAUTION This unit is intended for installation in a protected environment No user serviceable parts inside Service to be performed by qualified personnel only CAUTION Ensure that the concentration of ozone is limited to a safe value The recommended long term exposure limit for ozone is
36. an oes oe SAMSON 1 4 550129 01 Sorensen SGA Series Overview Amperage EIS P P noise is measured across a 1 uF capacitor at the end of a 6 load cable with the supply operating at full load and at nominal input line voltage RMS noise is measured directly across the output terminals with the supply operating at full load and at nominal input line voltage 1 Power level not available in 6U chassis In 3U chassis these power levels can be achieved up to 75 kW by paralleling up to five power supplies Note that paralleling will increase Ripple and Noise Models from 10V 30V not available 6U chassis 1 2 4 PHYSICAL CHARACTERISTICS Dimension 3U Models 10V 30V 3U Models 40V 800 6U Models 40V 600V Width 19 00 in 48 3 cm 19 00 in 48 3 cm 19 00 in 48 3 cm Depth 25 65 in 65 15 cm 25 46 in 64 7 cm 27 06 in 63 8 cm Height 15 25 in 13 3 cm 5 25 in 13 3 cm 10 5 in 26 7 cm 10V 15V lt 65 lbs 29 kg BKW 40 Ibs 18 kg 20 KW 120 Ibs 54 kg 20V 30V lt 65 lbs 29 kg 1OKW 60 Ibs 27 kg 25 kW 140 Ibs 64 kg Weicht 8KW 10V 15V lt 85 Ibs 39kg 15 80 Ibs 36 kg 30kW 160 Ibs 73 kg g 10kW 20V 30V lt 85 Ibs 39 kg 12kW 10V 15V lt 1 10 Ibs 50 kg 15KW 20V 30V lt 110 Ibs 50 kg M550129 01 Rev AA 1 5 Overview Sorensen SGA Series Th
37. d the output voltage will vary with the load Lights green when in the Constant Voltage mode of operation When in the Constant Voltage mode the output voltage will regulate to the set value and the Current value will vary with the load M550129 01 Rev AA Sorensen SGA Series Operation 12 3 4 5 6 7 8 2a 9 10 SE jo 7 2 D NE _ anaokoa 16 E 0 0 r 0 p
38. ent 10 896 of full scale output 196 0 10V range for 10V 30V Overvoltage Protection OVP 1 of full scale output Resistive Constant Voltage 0 100926 0 5 Constant Current 0 100 0 5 Voltage Constant Voltage 0 100926 0 5 VDC or 0 10 VDC Constant Current 0 100946 0 5 VDC or 0 10 VDC Overvoltage Protection OVP 5 110946 0 25 5 5 M550129 01 Rev AA 1 3 Overview Sorensen SGA Series Parameter Specification Remote Sensing Terminals are provided to sense output voltage at point of load Maximum line drop 5 of rated voltage per line for 40 100V models line drop 1V of rated voltage per line for 10 20V models 1 5V for 30V models 296 of rated voltage per line for models 160V and greater Greater line drop is allowed but output regulation specifications no longer apply ISOLATED ANALOG CONTROL OPTION Isolated Analog Control Input J1 to Output Isolation 600 V Compliant with maximum terminal float voltage Recommended operation under SELV normal conditions Standard Analog Control Input J1 signals are referenced to the negative output terminal and are therefore not isolated from the output 1 2 3 SGA SERIES VOLTAGE AND CURRENT SPECIFICATIONS Presented here are the voltage and current specification first for the 10V to 30V models and then for the 40V to 800V models Amperage pe
39. external voltage source may be used as a programming device When using remote current programming a shielded twisted pair hookup wire is recommended to prevent noise interference with programming signals 3 4 1 REMOTE CURRENT PROGRAMMING USING RESISTANCE The resistance coefficient for remote current programming is 5k ohms 100 rated output with respect to terminal J1 23 IP The programming current from terminal J1 22 IP RES is factory set for 1 milliampere This yields a coefficient of 1 096 of rated output current for each 50 ohms If multiple switches or relays are used to program different levels make before break contacts are recommended Note If an external resistance is used for remote programming the current programming return IP RTN terminal J1 23 must be connected directly to or within 3 volts of the power supply common terminal J1 24 See Figure 3 9 for connection requirements 6 22 IP RES 23 IP RTN 13 e 0 5 Kohms PROGRAM Figure 3 9 Remote Current Programming Using Resistance M550129 01 Rev AA 3 17 Operation Sorensen SGA Series 3 4 2 REMOTE CURRENT PROGRAMMING USING A 0 5 OR 0 10 VDC VOLTAGE SOURCE A DC voltage source for remote current programming is connected between J1 10 IP 5V or J1 16 IP 10V and the return terminal J1 23 IP RTN Note The return terminal J1 23 IP RTN must be referenced directly to or within 3V of the power supply common
40. he output of the ammeter The minimum range should be from 0A to the maximum rated current output of the supply The front panel display and ammeter readings should track within the accuracies of the meter and the front panel display Check that the green Current Mode LED is on Turn the Voltage knob and Current knob fully counterclockwise Switch the power supply off Disconnect the ammeter or short from the output terminals If Current Mode operation did not function as indicated above recheck your setup and perform the check again If the function continues to fail contact the factory for assistance M550129 01 Rev AA 3 11 Operation Sorensen SGA Series 3 3 5 OVERVOLTAGE PROTECTION The Overvoltage Protection OVP function allows the supply to shutdown the output when it exceeds a preset voltage This may be used to protect sensitive circuits or loads from damage caused by an excessive voltage on the output of the supply To verify OVP operation 1 Make sure there is nothing connected across the output terminals 2 Rotate the Current control knob about 12 turn clockwise this sets the current limit at a nominal setting above 0 Amps Switch the power supply on 4 Press and hold the Set Reset Overvoltage Protection pushbutton on the front panel and observe the reading on the voltage display This is the present setting of the OVP limit The factory default setting is approximately 11096 of the maximum rated output of
41. ing insulation destruction It is important to everyday performance to minimize IR voltage drop loss within the cable These losses have a direct effect on the quality of power delivered to and from instruments and corresponding loads When specifying wire gauge consider the operating temperature Wire gauge current capability and insulation performance drops with the increased temperature developed within a cable bundle and with increased environmental temperature Thus short cables with generously derated gauge and insulation properties are recommended for power source applications Be careful when using published commercial utility wiring codes These codes are designed for the internal wiring of homes and buildings and accommodate the safety factors of wiring loss heat breakdown insulation aging etc However these codes consider that up to 596 voltage drop is acceptable Such a loss directly detracts from the quality performance specifications of this Sorensen instrument Also consider how the wiring codes apply to bundles of wire within a cable arrangement In high performance applications requiring high inrush transient currents additional consideration is required The cable wire gauge must consider peak voltages and currents which may be up to ten times the average values An underrated wire gauge adds losses which alter the inrush characteristics of the application and thus the expected performance Table 2 5 presents
42. ion Models 40V 600V M550129 01 Rev AA Sorensen SGA Series Installation 22 6 ABBE T 88 5 o o EEA BE 88 NC zs 0 212059 Nd N313AV 303 26 8 SLNN Wad uva 518 TWNOILdO 200000000001 PTT Figure 2 9 SGA Detailed Chassis Dimensions for Installation Models 10V 30V M550129 01 Rev AA 1 17 Sorensen SGA Series Installation zt ov lees eu 0081 gt se ut 097 06 9 2 7 29 ag 5 9 Go i 1 rrr Errr 205 Jg Y 7 eree Ld d X Jg 3 d 3 mi Sie Ic Ic IC EXESESESES J z e i uvasng 2 10 212095 HOS 26 8 SLNN Wad 06 z foe 209 1 1 gt 006 069 i 4 627 Y
43. ip level even if the local OVP trip level is set to a lower value To reset an OVP externally apply a 10 5 13 3 VDC signal to J1 3 for a minimum of four 4 seconds 3 24 M550129 01 Rev AA Sorensen SGA Series Operation 3 9 REMOTE SHUTDOWN 5 0 A remote 12 VDC voltage can be connected externally between terminals J1 18 S D Fault and J1 24 COM to disable i e shut down the output of the power supply Figure 3 19 Disabling or opening the 12 signal will allow the unit to revert to normal operation 911 18 S D FAULT COM 6 25 Lt 0 12 VDC 13 VOLTAGE SOURCE Figure 3 19 Remote Shutdown Using DC Voltage Source M550129 01 Rev AA 3 25 Operation 3 10 3 10 1 3 26 Sorensen SGA Series PARALLEL AND SERIES OPERATION The following modes of operation are used for applications requiring more current or voltage than is available from a single power supply To meet the requirements for greater output voltage or current two supplies may be connected in series or up to five connected in parallel PARALLEL OPERATION In order to connect up to five power supplies in parallel use a Master Slave daisy chain wiring configuration as follows refer to Figure 3 20 Note that there are two separate 9 pin connectors on the upper left rear panel of each power supply marked OUT and PAR IN 1 Beginning with the power supply designated by you as the Master power supply use
44. ired output level Tighten the outer locking nut rotating clockwise to approximately 5 LB in 0 56 N m NOTE Take care not to over torque the outer nut Should the cone nut become loose or jammed with the outer locking nut re torque the cone nut with a 1 2 inch wrench to approximately 15 LB in 1 69 N m Cone Nut Locking Nut loosen K gt Locking Nut Figure 3 7 Shaft Lock CAUTION Never fully loosen the cone nut or remove the shaft lock from the chassis 3 8 M550129 01 Rev AA Sorensen SGA Series Operation 3 3 LOCAL OPERATION The SGA Series power supply is shipped from the factory configured for local voltage current control and local voltage sensing The ANALOG CONTROL connector is supplied with a mating connector with remote output ON OFF jumpered for ON terminal 5 shorted to terminal 6 WARNING The power up factory default state is output enabled 1 Prior to turning the unit on rotate the voltage and current potentiometers fully counterclockwise minimum output 2 Turn the power ON and adjust the voltage and current to the desired output 3 3 1 FLOATING AND POLARIZED OUTPUT The SGA Series supply can be set up for a Positive or Negative supply as well as standard operation as a floating output supply FLOATING OUTPUT The output terminals are normally floating from chassis ground No extra steps or connections are required for a floating output POSI
45. is page intentionally left blank 1 6 M550129 01 Rev AA 2 1 2 2 2 INSTALLATION INSPECTION Inspect the shipping carton for possible damage before unpacking the unit Carefully unpack the equipment Save all packing materials until inspection is complete Verify that all items listed on the packing slips have been received Visually inspect all exterior surfaces for broken knobs connectors or meters Inspect for dented or damaged exterior surfaces External damage may be an indication of internal damage If any damage is evident immediately contact the carrier that delivered the unit and submit a damage report Failure to do so could invalidate future claims Direct repair issues to Customer Service at 858 458 0223 local or 1 800 733 5427 toll free CONTENTS OF SHIPMENT Depending on the model configuration and options available for your SGA Series power supply the ship kit may include additional parts and accessories At a minimum the ship kit that accompanies your SGA Series power supply includes the following items e AMETEK Manuals CD ROM Part No M550008 01 containing this manual SGA Series DC Power Supplies Operation Manual Part No M550129 01 and the SG Series IEEE 488 2 RS232 Option and Ethernet Option Programming Manual Part No M550129 03 Sense mating connector Molex P N 39 01 4031 with loose contacts Molex P N 39 00 0182 e Ji mating connector Cinch P N DB25P or equivalent norm
46. kQ Circuit return Pin 6 COM VP 5V Zin 10kQ Remote voltage programming using a 0 5 VDC source Do not exceed 13 3 VDC Circuit return Pin 4 or Pin 20 VP RTN See Section 3 5 10 IP 5V Zin 10kQ Remote current programming using a 0 5 VDC source Do not exceed 13 3 VDC Circuit return Pin 23 or Pin 25 IP RTN See Section 3 4 3 14 M550129 01 Rev AA Sorensen SGA Series Operation Designator Schematic Symbol Electrical Chars Functional Description 11 ISET Zout 1000 0 5 VDC 0 100956 front panel current potentiometer set point monitor output Minimum load resistance 10kQ Circuit return Pin 6 COM 12 13 Not Used 14 ISO TTL CMOS Zin 2 2 Isolated TTL CMOS on off control A high state TTL CMOS voltage enables the output i e turns on the output of the supply and a low state or open connection disables the output i e turns off the output of the supply Circuit return Pin 2 ISO RTN See Section 3 7 15 VP 10V 2 20 Remote voltage programming using a 0 10 VDC source Do not exceed 25 VDC Circuit return Pin 4 or Pin 20 VP RTN See Section 3 5 16 IP 10V Zin 20 Remote current programming using a 0 10 VDC source Do not exceed 25 VDC Circuit return Pin 23 or Pin 25 IP RTN See Section 3 4 17 FAULT Zout 1000 Fault state output A high state approximately 1
47. l 1 1 2 2 Contents av ee age 1 1 2 3 Location ene cut 1 2 2 3 1 etate tatu ettet 1 3 2 3 2 60 Chassis Removal from 1 3 2 4 Input Output CODnecllOrs er eorr eri os 1 3 2 5 Wire qo dpa de pads as 1 6 2 5 1 1 6 26 Load Considerations 14 iei reni 1 9 2 6 1 Inductive Eoads 2 xt tete into 1 9 Ouilin cDrawings 1 9 2 9 Installation Drawings do RED eet ped xt dex uela 1 13 OPERATION exiis aa 7 Su IMEOGUGIDD 3 1 3 2 Controls and IndiedtOre imn denn 3 1 3 2 1 Front Pare 52 2 uestre ort deme ORIS dee nth ae 3 1 3 2 2 Shalt Lock ODIOM m 3 8 3 0 Local Op rati ni 3 9 M550129 01 Rev AA XV CONTENTS 3 4 3 5 3 6 3 7 3 8 3 9 3 10 Sorensen SGA Series 3 3 1 Floating and Polarized 3 9 3 3 2 Initial chia a een 3 10 3 3 3 Voltage Mode 3 10 3 3 4 Current Mode
48. l Out connector See Section 3 10 Allows master slave configuration of up to five units when connected to another unit s Parallel In connector See Section 3 10 Positive and negative outputs Connection for ground wire Connection for 3 phase AC M550129 01 Rev AA Sorensen SGA Series Operation d m z e n igni ov Je j ate on e Er cun 00009606 i n JI JI JI JI EE 1 Le u me LZ I L3 N m ID EE LT SS D di RN x qp SS 2 Figure 3 6 SGA 60 Rear Panel with GPIB RS232 Option Connectors Figure 3 6 descriptions 1 ANALOG CONTROL 2 SENSE Connector 3 PARALLEL IN 4 PA
49. n designed and certified to meet the Low Voltage and Electromagnetic Compatibility Directive Requirements of the European Community These models have been designed and tested to meet the Electromagnetic Compatibility directive European Council directive 2004 108 EC generally referred to as the EMC directive and to the requirements of the Low Voltage directive European Council directive 2006 95 EC 93 68 EEC dated 22 July 1993 In addition these models have been found compliant with FCC 47 CFR Part 15 Subpart B 107 e Class A 109 g Class A Since the Low Voltage Directive is to ensure the safety of the equipment operator universal graphic symbols have been used both on the unit itself and in this manual to warn the operator of potentially hazardous situations see Safety Notice page 550129 01 CONTENTS SECTION 1 OVERVIEW 1 1 det General DescripliOtiuce Eo dott eite 1 1 1 2 1 2 1 2 1 Environmental 1 2 1 2 2 Electrical Characteristics eee eerte ere te e ue eye ede d 1 2 1 2 3 SGA Series Voltage and Current Specifications 1 4 1 2 4 Physical 00 ener nnne 1 5 1 1 21 u
50. n for 3 phase AC M550129 01 Rev AA Sorensen SGA Series Operation 12 3 4 9 10 11 4a 12 13 gt e 5 L2 13 A Ly f D i tm D 1 1 ed a 8 lp 56 7 8
51. nsen SGA Series Installation 2 6 LOAD CONSIDERATIONS This section provides guidelines for using properly rated diodes to protect the power supply from damage while driving inductive loads 2 6 1 INDUCTIVE LOADS 2 7 To prevent damage to the power supply from inductive kickback connect a diode rated at greater than the supply s output voltage and current across the output Connect the cathode to the positive output and the anode to return Where positive load transients such as back EMF from a motor may occur a second diode in series with the output is recommended to protect the power supply BLOCKING AND FREE WHEELING DIODES The Peak Reverse Voltage ratings should be a minimum of 2 3 times the Power Supply maximum output voltage The Continuous Forward Current ratings should be a minimum of 1 5 times the Power Supply maximum output current Heatsink may be required There also may be a need for higher voltage rated parts dependent on load circuit design and inductor values Battery Application amp N Power Blocking Diode Freewheeling Diode A I I I K Inductive Load Application Figure 2 1 Diode Connection OUTLINE DRAWINGS Figure 2 2 and Figure 2 4 next show the outlines and overall dimensions of the 3U and 6U models of the SGA Series product line Figure 2 5 Figure 2 7 Figure 2 8 and Figure 2 10 provide detailed information for installati
52. nt panel display Check that the green Voltage Mode LED is on Turn the Voltage knob and Current knob fully counterclockwise Switch the power supply off If Voltage mode operation did not function as indicated above recheck your setup and perform the check again If the function continues to fail contact the factory for assistance 3 10 M550129 01 Rev AA Sorensen SGA Series Operation 3 3 4 CURRENT MODE OPERATION When the supply is in the Current Mode the output current of the supply is controlled by the Current knob on the front panel or by the remote current input see Section 3 4 The Voltage control knob or remote voltage input operates as a voltage limit To verify operation in current mode follow the steps below 1 6 7 8 9 Connect a high current ammeter across the rear panel positive and negative output terminals observing the correct polarity Select wire leads of sufficient current carrying capacity and an ammeter range compatible with the unit s maximum rated output current Note If a high current ammeter is not available you may simply short the output terminals together This will not harm the supply Rotate the Voltage control knob about 12 turn clockwise this sets the Voltage limit at a nominal setting above 0 Volts and forces the supply into current mode Switch the power supply on Slowly rotate the Current knob clockwise and observe both the front panel current display and t
53. oating above below WARNING chassis ground The equipment used contains ESD sensitive ports When installing equipment follow ESD Safety Procedures Electrostatic discharges might cause damage WARNING to the equipment Only qualified personnel who deal with attendant hazards in power supplies are allowed to perform installation and servicing Ensure that the AC power line ground is connected properly to the Power Rack input connector or chassis Similarly other power ground lines including those to application and maintenance equipment must be grounded properly for both personnel and equipment safety Always ensure that facility AC input power is de energized prior to connecting or disconnecting any cable In normal operation the operator does not have access to hazardous voltages within the chassis However depending on the user s application configuration HIGH VOLTAGES HAZARDOUS TO HUMAN SAFETY may be normally generated on the output terminals The customer user must ensure that the output power lines are labeled properly as to the safety hazards and that any inadvertent contact with hazardous voltages is eliminated Guard against risks of electrical shock during open cover checks by not touching any portion of the electrical circuits Even when power is off capacitors may retain an electrical charge Use safety glasses during open cover checks to avoid personal injury by any sudden component failure Neither AMETEK Programmable Powe
54. ode power diode capable of the maximum current of the series set connected in parallel but reverse biased is recommended to protect against sinking current into a supply should one supply be ON while the other is OFF See Section 2 6 1 3 28 M550129 01 Rev AA Sorensen SGA Series Operation This page intentionally left blank M550129 01 Rev AA 3 29 SECTION 4 MAINTENANCE 4 1 INTRODUCTION This chapter contains preventive maintenance information for the SGA Series power supplies WARNING All maintenance that requires removal of the cover of the unit should only be done by properly trained and qualified personnel Hazardous voltages N exist inside the unit Disconnect the supply from the input power before performing any maintenance Service fuse verification and connection of wiring to the chassis must be accomplished at least five minutes after power has been removed via external means all circuits and or terminals to be touched must be safety grounded to the chassis 4 2 PREVENTIVE MAINTENANCE No routine maintenance on the SGA Series is required aside from periodic cleaning of the unit when needed Once aunit is removed from service vacuum all air vents including the front panel grill Clean the exterior with a mild solution of detergent and water Apply the solution onto a soft cloth not directly to the surface of the unit To prevent damage to materials do not use aromatic hydrocarbons or chl
55. on purposes M550129 01 Rev AA 1 9 Installation Sorensen SGA Series 16 90 m nma nns E naw 1 o 25 46 4 Figure 2 2 SGA Dimensions 3U Model 5kW to 15kW 40V 800V 1 10 M550129 01 Rev AA Sorensen SGA Series Installation 16 90 Ti 1 leam l 00070009925 1 t ki Lea 1 nth hem mma papogpog Y y og Anddno BAL OL h NOUVTNASNI LON 40 NBER 300A HOM VW 4 SI
56. ons 1 4 M550129 01 Rev AA Sorensen SGA Series Installation Power Supply Type Bus Bar with two holes for each potential terminal 0 594 ub Models 10V 30V Bus Bar with holes for 3 8 bolts 40V 600V Bronze studs 14 20 800V model only Bus Bar with holes for 3 8 bolts a cy Bronze studs 14 20 800V model only Table 2 3 Output Connections CAUTION Prevent damage to the unit follow torque specifications use correct size wire ferrule if used and proper size ferrule crimping tool TORQUE SPECIFICATIONS The units Phoenix Connectors require 18 to 20 in Ib 2 Nm to 2 3 Nm torque e Wire ferrules are recommended their size must match the wire gauge e Crimp tool size must be appropriate to the ferrule size Wire insulation should be stripped back no more than 5 8 inch for the ferrule For more information on this AC input connector please look up Phoenix Contact part number HDFKV 16 at www phoenixcontact com M550129 01 Rev AA 1 5 Installation Sorensen SGA Series 2 5 WIRE SELECTION Care must be taken to properly size all conductors for the input and output of the power supply This section provides guidance in the selection of wire size Note that cables with Class B or C stranding should be used Fine stranded cables should not be used unless crimp on lugs or ferrules are used that are approved for fine stranded cables 2 5 1 WIRE SIZE
57. orinated solvents for cleaning e Low pressure compressed air may be used to remove dust from in and around components on the printed circuit boards V WARNING N The OFF position of the power switch does not remove voltage from the input amp terminal blocks Remove all external power before performing any service M550129 01 Rev AA Maintenance Sorensen SGA Series An annual inspection of the SGA Series unit is recommended Table 4 1 lists the visual inspection checks to be performed and the corrective action to be taken Table 4 1 Recommended Annual Inspection Item Inspect For Corrective Action External connector Looseness bent or corroded Clean contacts with solvent plugs and jacks contacts damage or improper moistened cloth soft bristle brush seating in mating connector small vacuum or low compressed air Replace connectors damaged deeply corroded or improperly seated in mating connector Chassis fan and Dirt and corrosion Clean with cloth moistened with extruded heatsinks soapy water External electrical Broken burned or pinched Repair or replace defective wires wiring wire frayed worn or missing insulation External solder Corrosion loose cracked Clean and resolder connections connections dirty connections Dirt and moisture Short circuits arcing Clean as required buildup corrosion overheating Front panel controls Dirt and corrosion Clean
58. r Inc San Diego California USA nor any of the subsidiary sales organizations can accept any responsibility for personnel material or inconsequential injury loss or damage that results from improper use of the equipment and accessories M550129 01 Rev AA ix SAFETY SYMBOLS WARNING Electrical Shock Hazard HAZARD Strong oxidizer GENERAL WARNING CAUTION Read the accompanying message for specific information BURN HAZARD Hot Surface Warning Allow to cool before servicing Do Not Touch Touching some parts of the instrument without protection or proper tools could result in damage to the part s and or the instrument Technician Symbol All operations marked with this symbol are to be performed by qualified maintenance personnel only Electrical Ground This symbol inside the instrument marks the central safety grounding point for the instrument OPP PEPE X M550129 01 Rev AA 550129 01 This page intentionally left blank xi Product Family SGA Series DC Power Supplies Warranty Period 5 years WARRANTY TERMS AMETEK Programmable Power Inc provides this written warranty covering the Product stated above and if the Buyer discovers and notifies AMETEK in writing of any defect in material or workmanship within the applicable warranty period stated above then AMETEK may at its option repair or replace the Product or issue a credit note for the defective Product or provide the
59. springs with a flat blade screwdriver or similar device to release from lock out or to remove the chassis from the rack The slides can be mounted to the chassis with this spring oriented on the top or the bottom of the slide INPUT OUTPUT CONNECTIONS WARNING High voltage present Risk of electrical shock Do not remove cover Refer to qualified service personnel For permanently connected equipment incorporate a readily accessible disconnect device in the fixed wiring For pluggable equipment install the socket outlet near the equipment and in an easily accessible location M550129 01 Rev AA 1 3 Installation Sorensen SGA Series Table 2 1 lists all external connections for the SGA Series models Table 2 2 and Table 2 3 provide input and output connection descriptions by power supply type Section 2 8 provides a drawing of the rear panel input output connector locations N CAUTION Proper connection to the mains requires a circuit breaker or fuse with rating of 25 over the maximum input line currents listed in Table 2 6 WARNING Under no condition should the negative output terminal exceed 300V to earth ground CAUTION Floating the negative output terminal floats the power supply s internal control circuitry common level to the same potential as the negative output terminal On a N standard non isolated supply the common of the analog control connector J1 floats the same
60. te output on off Externally supplied AC DC voltage source for on off control A positive 12 to 240 VAC or 6 to 120 VDC voltage will enable the output i e turn on the output of the supply This input control is optically isolated from the power supply circuit up to 500 VDC Circuit return Pin 2 ISO RTN See Section 3 7 ISO RTN Isolated circuit return used with isolated on off control J1 1 and J1 14 REM OV SET Zin 20 Remote overvoltage set A remote signal sets the over voltage trip level 0 25 5 5 VDC 5 110956 Apply a 10 5 VDC to 13 3 VDC signal for 7 seconds to reset an OVP condition Circuit return Pin 6 COM See Section 3 8 VP RTN Zin 10 Voltage programming return Used with J1 9 J1 15 or J1 21 and must be referenced to Pin 6 COM circuit common ON OFF Must sink 1mA to enable Remote output on off Switch relay contacts or a direct short between this terminal and Pin 6 COM circuit common enables the output i e turns on the output of the supply See Section 3 7 Circuit common Electrically equal to Pin 24 Same potential as the negative output terminal MON Zout 1000 Output current monitor 0 10 VDC equals 0 100 rated current Minimum load resistance Circuit return Pin 6 COM V SET Zout 1000 0 5 VDC 0 100956 front panel voltage potentiometer set point monitor output Minimum load resistance 10
61. the supply 5 While holding down the Set Reset button use a small adjustment screwdriver to adjust the OVP setting by turning the 4 turn recessed adjustment potentiometer counterclockwise As you adjust the potentiometer the reading on the voltage display should decrease increase as you adjust in a clockwise direction 6 Set the OVP to about 80 90 of the maximum rated output voltage and note the OVP voltage value Release the Set Reset pushbutton Rotate the Voltage knob clockwise until the voltage display indicates you are about 2 3 below the OVP voltage value noted above 9 Slowly continue to increase the output of the supply until you exceed the value of the OVP setting 10 Check that the OVP LED lights and that the output of the supply powers down to 0 volts as indicated on the Voltage display 11 Turn the Voltage knob fully counterclockwise then press and hold the Set Reset pushbutton until the OVP LED is no longer lit 12 Reset the OVP setting as appropriate for your application per steps 4 and 5 above If you do not choose to use OVP then the OVP adjust may be set fully clockwise to approximately 11096 of the rated output voltage of the supply If OVP mode did not function as indicated above recheck your setup and perform the check again If the function continues to fail contact the factory for assistance M550129 01 Rev AA Sorensen SGA Series 3 3 6 ANALOG CONTROL CONNECTOR J1 The ANALOG CONTROL
62. the ANALOG CONTROL J1 mating connector on the rear panel to verify that pins 5 and 6 Remote Output On Off are shorted together to enable the output of the supply see Section 3 7 This is the default configuration installed from the factory 4 Apply power to the AC mains input 3 3 3 VOLTAGE MODE OPERATION When the supply is in the Voltage mode the output voltage of the supply is controlled by the Voltage knob on the front panel or by the remote voltage input See Section 3 5 The Current knob or remote current input operates as a current limit The output voltage is regulated at the selected value while the output current varies with the load requirements To verify operation in Voltage mode follow the steps below 1 5 6 7 Connect a digital voltmeter DVM across the rear panel positive and negative output terminals observing the correct polarity Make sure the DVM is in the dc voltage mode and the range is adequate to handle the full scale voltage of the power supply Rotate the Current control knob about 1 2 turn clockwise this sets the current limit at a nominal setting above 0 Amps Switch the power supply on Slowly rotate the Voltage knob clockwise and observe both the front panel voltage display and the output of the DVM The minimum range should be from OV to the maximum rated voltage output of the supply The front panel display and DVM readings should track within the accuracies of the meter and the fro
63. tors 3U model shown M550129 01 Rev AA 3 1 Operation Sorensen SGA Series Figure 3 1 descriptions 1 ON OFF Switch Two position switch enables or disables the power supply WARNING OFF does not remove voltage from the input terminal blocks Remove external power before servicing the unit 2 Voltage Display 3 Voltage V Knob 4 Current A Knob 5 Current Display 6 Set Reset Button 372 digit green LED screen displays the supply s DC output voltage Also displays the OVP level when pressing the Set Reset button 10 turn adjustment sets the output voltage Optional shaft locks not shown Please see Section 3 1 1 10 turn adjustment sets the output current Optional shaft locks not shown Please see Section 3 1 1 37 digit green LED display indicates the DC output current of the supply Press to display Overvoltage Protection level on the Voltage display Press and hold for 7 seconds to reset OVP condition Adjust Potentiometer Adjusts the overvoltage trip level 8 Module Fault LED 9 Overvoltage LED 10 Current Mode LED 11 voltage Mode LED 3 2 Lights yellow to indicate an internal fault such as bias supply thermal or converter failure Lights red when output voltage has exceeded preset level and power supply output is turned off Lights green when in the Constant Current mode of operation When in the Constant Current mode the output current will regulate to the set value an
64. wire resistance and resulting cable voltage drop at maximum rated current Size Amperes 100 Voltage Drop 100 Feet ne oq T p eec v 6 955 X 003 1 236 2 c0 ol 0 ro 45 2 1 ENG 42 502 2 5 0 015 1 42 so 165 000 104 Table 2 5 Wire Resistance and Voltage Drop Refer to Table 2 6 for AC input current requirements and Section 1 2 3 for output current requirements M550129 01 Rev AA 1 7 Installation Sorensen SGA Series Model AC Input Input Line Current Option Input V 20 ange Code kW kW kW kW kW kW Measure D S90440VAC 14 27 40 54 67 80 EIC EE P LE psp mom Pe fn wn Table 2 6 Maximum AC Current Ratings Refer to Table 2 7 for input output lug recommendations Lug Manufacturer 3U Models Input Output 6U Models Input Output PN Series or equivalent Series for higher current LCA Series or equivalent Note Contact lug manufacturer for recommended crimping tool Table 2 7 Recommended Lugs The recommended tools for crimping and extraction of the sense connector pins are listed below in Table 2 8 Tool Manufacturer Manufacturer P N Crimping Molex 11 01 0197 Extracting Molex 11 03 0044 Table 2 8 Recommended Sense Connector Tools 1 8 M550129 01 Rev AA Sore
65. with cloth moistened with and meters soapy water Use a Kimwipe tissue and GTC glass cleaning compound to clean the meter faces CAUTION For safe and continued operation of the SGA Series always operate the unit in a temperature and humidity controlled indoor area free of conductive contaminants Remember to keep the rear and sides of the unit free of obstructions to ensure proper ventilation 4 2 M550129 01 Rev AA Sorensen SGA Series Maintenance 4 3 FUSES There are no user replaceable components in the power supply WARNING Only properly trained and qualified personnel should remove the cover from the power supply Service fuse verification and connection of wiring to the chassis must be accomplished at least five minutes after power has been removed via external means all circuits and or terminals to be touched must be safety grounded to the chassis gt CAUTION N A To reduce the risk of fire or electrical shock replace fuses only with the gt same type and rating M550129 01 Rev AA 4 3 Maintenance This page intentionally left blank Sorensen SGA Series M550129 01 Rev AA Circuit Breaker Requirements 1 4 1 5 Controls and Indicators 3 1 Analog Control J1 3 14 Current Mode Operation 3 12 Fuses 4 3 Inductive Loads 1 9 Input Output Connections 1 3 Connector Functions 1 4 Isolated Analog Control 3 14 J J1

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