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SGI Series DC Power Supplies

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3. 8 13 12 9 10 B 2 ETHE s ng P 1747 a Bes TEN 7 ft air Figure 3 10 Rear Panel Interface Ethernet Option 60 Models 20kW 30kW M550221 01 Rev Y 3 5 Sorensen SGI Series 1 AC Input Connectors Connection for 3 phase AC 2 AC Input Safety Ground Connection for safety ground wire DC Output Bus Bars Positive and negative outputs DC Output Studs Positive and negative outputs for 800 and 1000V models only Parallel Out connector of master unit for configuring PAR OUT parallel operation of units when connected to Parallel In connector of slave unit see Section 3 16 Parallel In connector of sla
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7. 12 Figure 3 4 Rear Panel Interface Ethernet Option 30 Models 10V 30V M550221 01 Rev Y 3 3 Sorensen SGI Series
8. AFF L iota an pose a 0 y x Nw choc C 7 al Ji ite 9 ba Figure 3 7 Rear Panel Interface Ethernet Option 3U Models 800V and 1000V 3 4 M550221 01 Rev Y Sorensen SGI Series Operation E g 4 14 1 eip 1 ES i AO I
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12. 262 969 PON 9005 9222 4790 Lo 1 Ql 15 Ic LL T S z 8 00090006 jw oo T GE 6 S92 0 g No Ny ON 5 21 gt qe HOLIMS did ZETSY YOLOSNNOO E07 1L0 6 XA IOW 1 Ns d 462 195 HOLO3NNOO 5 d6 YOLOANNOD 9 NS d d6 Ls 40193NNOO 7 STIOH 2270 STVNINYAL 1 1 anis 02 1 SISSVHO Z SATOH L 0 STVNINMAL LNANI OV NMOHS 39V383 LNI 15 S3 LON Figure 2 14 Rear Panel Standard 6U Models 20kW 30 kW M550221 01 Rev Y 2 26 Installation Sorensen SGI Se
13. 1 7 1 2 4 Pinysical xad deos tas panni rct Ex aa a 1 8 SECTION 2 INSTALLATION 2 1 Mte uie A 2 1 22 CONTENTS oF ShIDImebl 2 1 2 5 Location and 2 2 2 3 1 ET c 2 3 2 3 2 K550212 01 ASSEMBLY STEPS OPTION 2 4 2 3 3 K550213 01 ASSEMBLY STEPS OPTION 2 6 2 3 4 Chassis Removal abusi tata E ec ewe e ibn 2 7 2 4 Input Output ea ec era 2 8 25 Selecon em 2 11 2 5 1 eel 2 11 2 6 LOAD 65 44 4 2 2 2 4 41 111 2 14 2 6 1 Inductive and Stored Energy Loads 2 2 14 Ouiline 2 15 SECTION OPERATION 3 1 Si pm 3 1 3 1 1 Fronti Hear 3 1 M550221 01 Rev IX Contents Sorensen SGI Series 3 2 Basic Operation and Output Verification
14. ens ua 4 3 4 2 2 Constant Voltage Mode Pad datus 4 3 4 2 3 Resistive Control Programming Current Sources 4 4 4 2 4 Change Calibration Dale Pus Du 4 5 4 3 Remote Isolated Analog Interface Option Calibration and Verification mM 4 5 4 3 1 Constant Curent MOSS 4 5 4 3 2 Gonstanp Voltage a aea 4 6 4 3 3 Change Calibration Date eee once cv ucc 4 7 SECTION 5 MAINTENANCE 5 1 DA 5 1 5 2 Preventive 5 1 9 3 USCS 5 3 M550221 01 Rev Contents Sorensen SGI Series LIST OF TABLES Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 2 5 Table 2 6 Table 2 7 Table 2 8 Table 2 9 Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 3 5 Table 5 1 Maximum AC Current Ratings Models 2 9 Maximum AC Current Ratings Non PFC 2 2 2 9 Input OULDUT CONMECIONS 2 9 Input Terminal Connec ONS iatis 2 10 Output Terminal 2 10
15. 3 22 3 8 Programming Operating Functions 3 22 3 8 1 Voltage Current and Overvoltage Protection Programming 3 22 3 8 2 T ERES 3 23 3 8 3 PEPPER 3 24 3 8 4 3 25 3 8 5 3 34 3 8 6 Home TIMEOUT ccr EE 3 35 3 8 7 Display 3 35 3 8 8 CY 3 35 3 8 9 Language 3 35 POOE 3 36 ROMO sands corde es caos t 3 36 E 3 39 3 19 13 Waning Nene 3 40 X M550221 01 Rev Y Sorensen SGI Series Contents 3 9 Remote Analog Control Connector J1 3 40 3 10 Remote Current Programming 3 45 3 10 1 Remote Current Programming by 3 45 3 10 2 Remote Current Programming by Voltage Source 3 46 3 11 Remote Voltage Programmi
16. S C l 9199 YOLOANNOO OL HOLIMS did 6 22258 YOLOANNOD 8 60 10 66 X310 1 2 5 465 LS 1 9 5 6 YOLOANNOS 9 5 d6 DIS H0193NNOO S3OH 9860 STVNINYAL LNALNO anis 05 7 SISSVHO 2 LNANI YOLOANNOD OV NMOHS NOILdO 8189 SALON 962 59 v 69 296 706 _ 962 2 001 Figure 2 12 Rear Panel GPIB Option 30 Models 40V 600V M550221 01 Rev Y 2 24 Installation Sorensen SGI Series Ma
17. 3 9 Figure 3 5 Rear Panel Interface Standard 30 Models 40V 600V 3 4 Figure 3 6 Rear Panel Interface GPIB Option Models 40V 600V 3 4 Figure 3 7 Rear Panel Interface Ethernet Option Models 800V and 1000V 3 4 Figure 3 8 Rear Panel Interface Standard 60 Models 20kW 30KW 3 5 Figure 3 9 Rear Panel Interface GPIB Option 60 Models 20kW 30kW 3 5 Figure 3 10 Rear Panel Interface Ethernet Option 60 Models 20kW 30KkW 3 5 Figure 3 11 Burn in Sequence 3 31 Figure 3 12 Constant Power Example 3 34 Figure 3 13 Analog Control Connector J1 2 3 41 Figure 3 14 Remote Current Programming Using Resistance 3 45 Figure 3 15 Remote Current Programming Using 0 5 VDC or 0 10 VDC Source 3 46 Figure 3 16 Remote Voltage Programming Using Resistance 3 47 Figure 3 17 Remote Voltage Programming Using 0 5 VDC or 0 10 VDC Source 3 48 Figure 3 18 Remote Overvoltage Programming Using DC Voltage Source 3 49 Figure 3 19 Remote Output On Off Control by Contact Closure 3 50 Figure 3 20 Remote Output On Off Using Isolated AC or DC Source 3 50 Figure 3 21 Remote Outp
18. is 100 Circuit return Pin J1 6 COM Circuit is electrically connected to the output power negative terminal Voltage programming signal return to be used with Pins J1 9 J1 15 or J1 21 also must be externally connected to Pin J1 6 20 VP RTN Zin 10 signal return when voltage programming is utilized Circuit is electrically connected to the output power negative terminal 1mA current Current source of 1 mA for remote voltage programming 21 VP RES source with using a resistance connected to signal return Pin J1 4 or compliance Pin J1 20 VP 0 5 0 100 of full scale output M550221 01 Rev Y 3 43 Operation Sorensen SGI Series Electrical Functional Description Pin Reference Functional Description voltage of voltage Circuit is electrically connected to the output power 10 8 V negative terminal See Section 3 11 1mA current Current source of 1 mA for remote current programming source with using a resistance connected to signal return Pin J1 23 or 22 IP RES compliance Pin J1 25 IP 0 5 0 100 of full scale output voltage of current Circuit is electrically connected to the output power 10 8 V negative terminal See Section 3 10 Current programming signal return which is to be used with Pins J1 10 J1 16 or J1 22 also must be externally 23 IP RTN Zin 10 kQ connected to Pin J1 6 COM signal return when current programming is utilized
19. ae coz ae gt AML gt Y zi Den EL E wn gt gt u N 5 eo lt FA lt 227 2 SAL 277 nau LO NZ A e 555 9 Z a ee US LO lt ae e SE E gt LO LI gt lt LL 22 42 2 T MA L aye 5555 em lt AANA B s On 10 32 BAR NUT CHASSIS SECTION 2 PPER S 5 d NG 999 Q9 999 99 9 99 9 9 Figure 2 2 Rack Mount Assembly 60 Models P md gt gt pees oe gag ee ene ui 2 3 3 K550213 01 ASSEMBLY STEPS OPTION KIT 2 6 Sorensen SGI Series Installation WARNING minimum three person lift is required for the 60 SGA Series power supply which weighs up to 170 Ib 77 kg depending on the model Refer to Figure 2 2 for 6U rack mount assembly drawing for the following instructions 1 Install the slide nas on both sides of the power supply chassis with screws six on left side and seven on right side Ensure that the section end orientation is as shown in Note K 2 Install the
20. A co LO Dial D N ON 9 EE EE lt d KIGH o m TEANS ON ON b On 4 1 m oN a lt 1 CH amp GiCmm o Conant DA SLIDE KIT OPTION AMETEK PN TUN PEM NUT 8 32 FOR Sorensen SGI Series ds 5 Figure 2 6 Installation Drawing 30 Models 800 1000V C 770 Ou i i N 9 2 Bg _ co eris LOW M550221 01 Rev Y Sorensen SGI Series Installation m 17 03 IHL OL oL ipd ov OL SI 940230 GNOLLOTRI
21. 3 7 1 Home Menu Home Menu is made up of three pages from which the user may navigate to the various function or command screens Return to Home Menu Page 1 by pressing Escape as needed or Menu except as noted ESC in Section 3 5 N 3 4A 3 7 2 Default Programming Menu Access this menu directly with the hard code keys Voltage Current or Overvoltage on the Control Panel See Section 3 8 1 for details 3 7 3 Navigating from Home Menu Page 1 2 34 EA 3 4 OVP Qut 110 0 Save n Location PwrOn 0 5 10 0 110 0 Volt Curr 0 0 0 0 Save Fy Fs OVP Qut wa 60 0 fRecall 0 9 88 0 Recall 1 88 0 Recall 2 4 Sequence Menu Start Ey Test ID SStep Fy TESTO1 gt Programey Del Test 3 18 Constant Power Setup Voltage Limit O 0V4 Current Limit 0 0 Power Limit 0 0kW Execute Fy Home Sorensen SGI Series Page 1 2 3V Fy i Toggle between pages SEQUENCE F by pressing up or down 3 C Power mj on the NavPad See Section 3 5 Display ty 2 3V CA AAE Page 2 Language Fy 3 6 2 Remote Fy 2 3 2 gysten 3 Sel Volt Set OVP 2 3V 110 0v t 3 4A ooa Home SAVE See Section 3 8 2 for details RECALL See Section 3 8 2 for details SEQUENCE See Sections 3 7 6 for submenus and 3 8 4 for details POWER See Sections 3 7 8
22. jumps to Home Menu 1 with the Voltage Current and OVP values as set Menu Section 3 7 8 3 34 M550221 01 Rev Sorensen SGI Series Operation 3 8 6 Home Timeout The display jumps to this screen when the system has been idle for 30 seconds Press Escape or F4 to return to Home Menu Page 1 3 8 Display Brightness Navigate from Home Menu Page 2 F1 use NavPad to dim Display Brightness Save or increase the brightness F1 saves the adjusted setting for the remainder of the session and for future power ups wem Home F4 maintains the setting for the remainder of the session and returns the brightness to its previously saved level at next power up 3 8 8 Lock Key To prevent changes due to accidental pressing of the keys Lock the keys from Home Menu 2 F2 This screen 2 3V 3 appears until 4 is pressed a confirmation screen will OVP 110 0V 0 0 Unlock gy appear with instructions to press Enter to unlock keys see Section 3 7 12 Other Screens before returning to Home Menu NOTE Lock Key only works while in the Constant Voltage or Constant Current modes 3 8 9 Language The Language submenu allows the user to change the default language for the menu selections To select this menu from Home Menu Page 2 press F3 to go to the MEM Language Menu and select a language to work in Pressing Eros F1 will save the selection and exit th
23. 1 Qo i 28 N 10 1 b 99 e 2 322 600 io OOT B NUES NE I ore ws Suz mu rot O L gt oo N N N T eR Ww 2 16 Figure 2 4 Installation Drawing 30 Models 10V 30V M550221 01 Rev Y Installation 2 17 Sorensen SGI Series
24. 2 18 Figure 2 7 Installation Drawing 60 Models 20 2 19 Figure 2 8 Rear Panel Standard 3U Models 10 30 2 20 Figure 2 9 Rear Panel GPIB Option Models 10V 30V 2 21 Figure 2 10 Rear Panel Ethernet Option Models 10 30 2 22 Figure 2 11 Rear Panel Standard 30 Models 40 600 2 23 Figure 2 12 Rear Panel GPIB Option Models 40 600 2 24 Figure 2 13 Rear Panel Ethernet Option Models 800V and 1000V 2 25 Figure 2 14 Rear Panel Standard 60 Models 20kW 30 KW 2 26 Figure 2 15 Rear Panel GPIB Option 60 Models 20kW 30 KW 2 27 Figure 2 16 Rear Panel Ethernet Option 60 Models 20kW 30 KW 2 28 Figure 2 17 Instructions for Assembly of AC and DC 2 29 Figure 3 1 Front Panel Controls and Indicators 30 Model Shown 3 1 Figure 3 2 Rear Panel Interface Standard 3U Models 10V 30V 3 3 Figure 3 3 Rear Panel Interface GPIB Option Models 10 30 3 3 Figure 3 4 Rear Panel Interface Ethernet Option Models 10V 30V
25. 3 38 Sorensen SGI Series assign itself a link local address If no other device is using that link local address it will use it for 5 minutes minimum At that time if it is already in communication with some other device it will hold onto the link local address until the communication is finished and then retry DHCP If DHCP is not available the power supply will revert to the last successful link local address for another 5 minutes minimum PORT The Server Port Menu is used to set the network TCP IP socket listening port Valid values are 1025 to 65535 The factory default setting is 9221 To change press NavPad up down or use the numeric keys to enter specific values Press F4 to save the change or press F1 to return to the Ethernet menu without changing anything SERVER PORT _ Server Listener Port 9221 Gav STATIC IP CONFIGURATION The Static IP menu allows manual setting not only of the MEN ML address but also subnet mask gateway and Domain 37 7 a Name Server DNS server four IP octets in each field are edited one at a time Navigate to each octet by pressing NavPad left right then change the value by either pressing NavPad up down or by entering a specific value with the numeric keys IP input any standard IP address Factory setting is 192 168 0 200 Press F4 to save the changes or press F1 to return to the Ethernet menu without changing anything Save MAS
26. 3 9 3 2 1 CLD 3 9 3 2 2 Default Programming 3 9 9 2 9 Constant Voltage Mode Operation 3 10 3 2 4 Constant Current Mode Operation 2 3 11 3 2 5 achat Pus ame aetna 3 12 3 3 Initial Start Up 3 13 3 4 Display EIemenls iiio a 3 14 39 3 15 926 Ote SR 3 16 3 6 1 ADOMING 3 17 SEE Mr e 3 18 3 7 1 HOME MOTU e 3 18 3 7 2 Default Programming 3 18 3 7 3 Navigating from Home Menu Page 1 3 18 3 7 4 Navigating from Home Menu 2 3 19 327 9 Navigating from Home Menu 3 19 3 7 6 sequence MEN E 3 20 3 7 7 Sequence Programming Operation 3 20 3 7 8 Constant Power Setup 3 21 3 7 9 msequi UT 3 21 3 7 10 Remote Control Screen Examples 3 22 oup Warning 3 22 Stale
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28. 8 ea Note If any of these parts are missing contact Customer Service at 858458 0223 local or 1 800 733 5427 toll free Optional accessories 890 453 03 Paralleling Cable for up to 5 units requires one cable per unit placed in parallel 550212 01 30 Rack Slides for 4 KW to 15 kW models K550213 01 60 Rack Slides for 20 kW to 30 kW models 5550568 01 Front panel dust filter field installation kit 3U models only 5551082 01 Optional AC input cover kit 3U models only 2 3 Location and Mounting 2 2 Refer to Sections 2 7 for dimensional and installation drawings WARNING This unit is intended for installation in a protected environment Exposure to conductive contaminants or corrosive compounds gases that could be ingested into the chassis could result in internal damage To reduce the risk of fire or electrical shock install the SGI Series unit in a temperature and humidity controlled indoor area 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 an ambient temperature greater than 50 CAUTION No user serviceable parts inside service to be performed by qualified personnel only M550221 01 Rev Y Sorensen SGI Series Installation 2 3 1 Rack Mounting The SGI Series models a
29. Program the output voltage with the front panel control or remote interface to 10096 of rated output voltage Apply AC power turn the unit on and press the Output On button to enable the output see Section 3 1 1 Set the current programming voltage to 5 0 V 1mV Verify that the unit produces 100 0 8 of rated output current If necessary adjust R69 for 10096 of rated output current through the shunt oet the current programming source for 0 5 V 1 mV Verify that the unit produces 10 0 8 of rated output current If necessary adjust R55 for 10 of rated output current through the shunt the steps above as required to obtain the required accuracy 4 2 2 Constant Voltage Mode 1 Disconnect the AC mains power to the unit Remove the current shunt from the output and verify that there is no load attached Remove the precision meter leads from the current shunt and apply them across the output terminals setup the SGI series unit to operate with remote voltage programming using an external 0 5 VDC voltage source as shown in Figure 3 17 in section 3 11 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output Program the output current with the front panel control or remote interface to 100 of rated output current Apply AC power turn the unit on and press Output On button to enable the output see Section 3 1 1 M550221 01 Rev Y 4 3 Calibration and Verification Sorensen SGI Ser
30. status Output Isolation Output Float Voltage 300 V PK maximum with respect to chassis ground exceeding the limit will be detected as a fault by a protective Negative Output Terminal supervisory monitor and shutdown of the output will be executed this condition will be latched requiring reset to resume normal operation 1000 V PK maximum Isolated Analog Interface J1 signals are galvanically isolated from negative output terminal operation of Isolated Analog Interface signals should be at SELV safety voltage conditions to chassis ground Isolation of optional Isolated Analog Interface J1 to output negative terminal Reference of standard Non The standard Non lsolated Analog Interface J1 signals is Isolated Analog Interface J1 to connected to the negative output terminal and therefore is not output negative terminal isolated from the output Parallel Operation Up to 5 units of the same voltage rating may be connected in parallel for additional output current specifications apply as for Parallel Group single unit with the exception that each additional paralleled unit will add 0 396 to the output current accuracy Contact factory for applications requiring paralleling more than five units Series Operation Up to 2 units of the same current rating may be connected in oeries Group series for additional output voltage see restrictions in Output Isolation section 1 6 M550221 01 Rev Y S
31. 25 0 55VDC _ VOLTAGE COM 6 22 SOURCE 7 e igo Figure 3 18 Remote Overvoltage Programming Using DC Voltage Source M550221 01 Rev Y 3 49 3 13 Remote Output On Off Control Remote output on off control be accomplished by contact closure or through an opto isolated interface with external voltage sources AC DC or TTL CMOS Sorensen SGI Series 3 13 1 Remote Output ON OFF by Contact Closure Application of a contact closure between Pins J1 5 and J1 6 will enable the output See Figure 3 19 for connection requirements C life ON OFF 5 6 EN 25 Figure 3 19 Remote Output On Off Control by Contact Closure 3 13 2 Remote Output ON OFF Control by External Source Application of AC DC voltage between Pins J1 1 and J1 2 or TTL CMOS voltage between Pins J1 14 and J1 2 will turn on the power supply this interface is opto isolated from circuit common Pins J1 6 and J1 24 See Figure 3 20 and Figure 3 21 for connection requirements 8 ISO ON OFF 1 e mira o av E ISORIN 2 J AC OR DC X SOURCE o Ca C 14 25 Figure 3 20 Remote Output On Off Using Isolated AC or DC Source 3 50 M550221 01 Rev Y Sorensen SGI Series Operation 1 14 ISO TTL CMOS ISO RTN 2 OOO0000000000 OF Ox cO OF 9 25 B Figure 3
32. LED indicator continuously on indicates Ethernet 13 LAN connection off indicates no Ethernet connection blinking indicates Instrument ID Refer to Figure 3 4 Figure 3 7 and Figure 3 10 Refer to the Programming Manual for details on the digital interface Table 3 4 Rear Panel Connectors and Controls Ethernet Option 3 8 M550221 01 Rev Y Sorensen SGI Series Operation 3 2 Basic Operation and Output Verification This section provides an overview and examples of front panel programming Default Programming menu operation and initial functional tests for the SGI Series power supply The SGI Series power supply is shipped from the factory configured for front panel local voltage current OVP control and with the remote sense not connected default to internal local voltage sensing at chassis output terminals The remote sense leads must be connected externally by the user to achieved performance specifications The Analog Control connector is supplied with a mating connector which has the remote output ON OFF control signals jumpered for ON Pin 5 shorted to Pin 6 in order to allow the output to be enabled WARNING The power up factory default state is output enabled and the output will be energized with the settings of voltage and current at zero At initial power on a screen 15 displayed with a warning that the output will be enabled after countdown of a 10 second timer during this state the output
33. 3 24 Sequencing 3 25 Supply Info 3 36 Total System Current 3 39 Warning Screens 3 40 Rack Mounting 2 3 Rear Panel Drawings 2 17 Remote Current Programming 3 44 Resistance Control 3 44 Voltage Source Control 3 45 Remote Isolated Analog Interface Control 3 41 Remote Mode 3 36 Remote Output On Off Control 3 49 Contact Closure Control 3 49 External Source Control 3 49 Shutdown S D 3 50 M550221 01 Rev Y Sorensen SGI Series Remote Overvoltage Protection Programming 3 48 Remote Sensing 1 5 3 52 Error with Disconnected Sense 3 52 Remote Shutdown 3 50 Remote Voltage Programming 3 46 Resistance Control 3 46 Voltage Source Control 3 47 Ripple Noise 1 8 5 Safety Disconnect Device 2 9 oafety Ground Wire 2 9 Screens 3 22 Other Screens 3 22 Remote Control 3 22 Warning 3 22 3 40 Sequencing 3 25 Examples 3 31 Operation 3 25 Step Operations 3 28 Step Restrictions 3 26 Series Operation 3 58 Specifications 1 3 M550221 01 Rev Y Calibration and Verification Electrical Characteristics 1 3 Environmental Characteristics 1 3 Parallel Operation 1 6 Physical Characteristics 1 9 Rated Current 1 8 Rated Output Power 1 4 Rated Voltage 1 8 Remote Analog Interface 1 5 Remote Isolation 1 6 Remote Sensing 1 5 Ripple Noise 1 8 Series Operation 1 6 Total System Current 3 39 Wire Selection 2 13 Current Ratings 2 14 Flexible Cable 2 13 Voltage Drop 2 1
34. Circuit is electrically connected to the output power negative terminal 24 1 Signal return Internally connected to Pin J1 6 Circuit is electrically connected to the output power negative terminal Current programming signal return which is to be used with Pins J1 10 J1 16 or J1 22 also must be externally 25 IP RTN Zin 10 connected to Pin J1 6 COM signal return when current programming is utilized Circuit is electrically connected to the output power negative terminal t With the option Remote Isolated Analog Interface control the control signal return is isolated from the output power negative terminal See Section Error Reference source not found and Section 3 15 Signals not available with the option Remote Isolated Analog Interface control Table 3 5 Analog Control Connector J1 Designations and Functions 3 44 M550221 01 Rev Y Sorensen SGI Series Operation 3 10 Remote Current Programming 3 10 1 Remote current programming is summed with the front panel or digital setting see Section 3 9 Remote current programming is used for applications that require the output current be programmed controlled from a remote instrument An external resistance or external voltage source may be used as a programming device When using remote current programming a shielded twisted pair cable is recommended to prevent noise interference to programming signals Remote Current Programming by Resistance The
35. Input Line Current A RMS AC Input Option 5 kW 10 kW 15 kW 20 kW 25 kW 30 kW Code 40V 800V D 380400 13 27 40 54 67 AC input current varies depending on actual power factor refer to specifications section on power actor Table 2 2 Maximum AC Current Ratings Non PFC Models L1 AC L2 AC L3 AC input power see Table 2 4 AC mains 3 phase Chassis GND input Pos Bus Bar DC output power see Table 2 5 User load Neg Bus Bar Analog Interface Control interface see Table 3 5 User controller Connector J1 Remote Sense Connector Remote voltage sensing see Section 3 14 Output load Parallel In Out Parallel operation see Section 3 16 Master Slave units Table 2 3 Input Output Connectors M550221 01 Rev Y 2 9 Installation Sorensen SGl Series Power Supply Type Connection Description 4 kW to 15 kW 3U AC Input Feed Through terminal block with compression terminals 20 kW to 30 kW 6U AC Input Bus Bar with holes for 1 4 20 bolts All 3U and 6U Chassis Safety Ground 1 4 20 stud Table 2 4 Input Terminal Connections CAUTION To prevent damage to the AC input connector of the 3U units follow torque specifications and if a wire ferrule is used ensure that it is properly sized and that it has been crimped with the appropriate ferrule crimping tool AC Input Connector for 3U Models e Recommended torque for the AC input connector screws 17 7 in lb to 20 4 i
36. PROGRAMMING VOLTAGE Go directly to Voltage programming by pressing the voltage key The Default Programming menu is displayed and the Editing Arrow is to the right of the Set Volt editable value Edit the value by NavPad up down or by entering the value with Keypad 0 9 For more details see oection 3 6 3 22 M550221 01 Rev Y Sorensen SGI Series Operation PROGRAMMING CURRENT Go directly to Current programming by pressing the current key The Default Programming menu is displayed and the Editing Arrow 15 to the right of the Set Curr editable value Edit the value by NavPad up down or by entering the value with Keypad 0 9 For more details see oection 3 6 PROGRAMMING OVERVOLTAGE PROTECTION Go directly to Overvoltage trip point programming by pressing the overvoltage key The Default Programming menu is displayed and Oversat the Editing Arrow is to the right of the Set OVP editable value Edit the value by NavPad up down or entering the value with Keypad 0 9 For more details see Section 3 6 3 8 2 Save There are 11 memory locations PwrOn 1 through 9 LAST 0 1 into which a programmed output configuration of Voltage Current OVP Overvoltage Protection trip point and Output Condition can be stored The LAST 0 1 configuration stores and recovers programmed Voltage Current OVP Overvoltage Protection trip point Output Condition and Foldback Protection when power supply is turned off From Home Menu Page 1
37. V 01 HOLO3NNOO 00 HOLIMS did 6 26254 HOLO3NNOO 8 _ veo _ 862 1191 Ole 208 Figure 2 10 Rear Panel Ethernet Option 3U Models 10V 30V M550221 01 Rev Y 2 22 Installation Sorensen SGI Series MN oN NO Ou ws Sk DE gt Noa Pun oo oh NO o og NA NS OB 95 85 Sh 55 E o 28928 28 2 0 P o 16 06 nnunundn rl eh m 9 Ig Ov A Ley 229 HOLIMS did 22094 MOLOANNOOD 0t L0 6 X3 IOW YOLOANNOO a
38. 09 in 71 35 cm 25 46 in 64 67 cm 27 18 in 69 04 cm Height 5 25 in 13 34 cm 5 25 in 13 34 cm 10 5 in 26 67 cm lt 65 Ib 29 kg 4 KW 10V 15V lt 65 Ib 29 kg 5 KW 20V 30V Weight lt 85 lb 39 kg 8 KW 10V 15V nominal lt 85 lb 39 kg 10 kW 20V 30V lt 110 50 kg 12 KW 10V 15V lt 110 Ib 50 kg 15 kW 20V 30V Shipping Contact factory for weights of specific models Weight lt 60 Ib 27 kg 5 KW lt 140 Ib 63 kg 20 KW 75 Ib 34 kg 10 kW lt 155 Ib 70 kg 25 kW lt 90 Ib 41 kg 15 kW 170 lb 77 kg 30 kW 1 8 M550221 01 Rev Y 2 INSTALLATION 2 1 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 in North America 2 2 Contents of Shipment Depending on the model configuration and options available
39. 16 Loads 2 16 Inductive 2 16 otore Energy 2 16 Location 2 2 Protected Environment 2 2 Ventilation 2 2 Lock Key 3 35 Maintenance 5 1 Fuses 5 3 Preventive 5 1 Maximum AC Current Ratings 2 11 Menu 3 18 Constant Power Setup 3 21 Default Programming 3 18 Home 3 18 Remote 3 21 Sequence 3 20 Menu Map 3 18 Model Number Decoding 1 2 Mounting 2 2 Rack Mounting 2 3 N Navigation 3 15 Operation 3 1 Constant Current Mode 3 11 Constant Voltage Mode 3 10 Initial Setup 3 9 Parallel 3 56 Power Up State 3 9 Programming Summing 3 41 Remote Current Programming 3 44 Remote Output On Off Control 3 49 Remote Overvoltage Protection Programming 3 48 Remote OVP Heset 3 48 Index 2 Sorensen SGI Series Remote Sensing 3 52 Remote Shutdown 3 50 Remote Voltage Programming 3 46 Series 3 58 Outline Drawings 2 17 Output Isolation 1 6 Negative Output Terminal 1 6 Output Float Voltage 1 6 Overvoltage Protection 3 12 Parallel Operation 3 56 Master Slave Connection 3 56 Physical Characteristics 1 9 Polarized Output 3 55 Programming Summing 3 41 Programming Operating Functions 3 22 Constant Power Mode 3 34 Display Brightness 3 35 Home Timeout 3 35 Language 3 35 Lock Key 3 35 Programming Current 3 23 Programming Overvoltage Protection 3 23 Programming Voltage 3 22 Recall 3 24 Remote Mode 3 36 Save V I OVP Settings 3 23 Saving a Configuration 3 24 Saving to Power ON
40. 21 Remote Output On Off Using Isolated TTL CMOS Source 3 13 3 Remote Shutdown S D A remote 12 voltage can be connected externally between Pin J1 18 S D Fault and Pin J1 24 COM to disable i e shut down the output of the power supply see Figure 3 22 A low level or opening the 12 signal will allow the unit to revert to normal operation jc 18 5 0 FAULT oo 0 6 0 9 25 0 12 VDC 13 2 VOLTAGE SOURCE Figure 3 22 Remote Shutdown Using DC Voltage Source M550221 01 Rev Y 3 51 Sorensen SGI Series 3 14 Remote Sensing Remote voltage sensing is recommended at all times whether the sense leads are connected to the load or to the output terminals Remote sensing is required to meet the performance specifications of the power supply It is essential 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 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 23 is present in the circuit of the resistor divider for voltage sensing to provide the default loca
41. 46 DS 1 7690 STVNINYAL LNALNO AN LS 02 GNNOUYD SISSVHO Z H3AOO LNANI YOLOANNOD OV 1 NMOHS 1 15 SALON arc V 9 Figure 2 8 Rear Panel Standard 30 Models 10V 30V M550221 01 Rev Y 2 20 Installation Sorensen SGI Series Ma o 22 BY og NA OF 7558 NA ogg 5 52 88 SE 5585 ag AS 35985 85 0 ma Zr IS 4 16 0 667 OW lt Go 298 r Pu D 225 aS Tb
42. 9 m m og o e 5 NE 88 E BS 28 Bg sg 58 SR EB Refa Tj BS SE 5 X P oer 06 UL 9 669 EEE i d EIS 662 13838 VOL 4 p Boog C v e i ip 70 D 226 i 93N SOd YOLVOICNI NYT 13934 Zl 1 HOLO3NNOO 101 9 0 01 1 01 HOLIMS did 6 22288 HOLOINNOO 8 d 5607 10 68 X3 ION 6707 10 66 X3T1OW HO193NNOO 2 5 92 LS YOLOANNOD 9 46 HOLO3NNOO 9 915 0 LYS 1 Y 5 02 1 STVNINYAL LNALNO anis 05 1 sISSVHO Z H3AO9 4O0LO3NNOO OV 1 NMOHS NOLLdO L3NHSHI3 S310N 8vc Veg 07 5989 2966 001 Oly Figure 2 13 Rear Panel Ethernet Option Models 800V 10007 M550221 01 Rev Y 2 25 Sorensen SGI Series Installation 00 61 92987 L 165 Ves 878
43. I e E e gt Figure 3 8 Rear Panel Interface Standard 60 Models 20kW 30kW 8 a 10 1 i P 9 tf E de 4 HI ose lj ee 9 i 2 13 1 e d i e A ih oe bc e 00 3 9
44. OPERATION 3 1 Introduction The SGI Series adds powerful functionality and sequence programming to the oG family of DC power supplies The graphical display front panel keyboard and context sensitive keys make setup of the sophisticated functions simple and easy The following sections provide detailed information on the controls and indicators programming conventions and the front panel menu structure of the SGI Series 3 1 1 Front Rear Panels Figure 3 1 shows the front panel of the 30 models the 60 models have the same controls and indicators Figure 3 2 through Figure 3 10 show the rear panels of the 30 and 60 models with their connectors and controls AMETEK CH SGI 125 7 POWER i 622 OuiputOn lt Constant Voltage LAST Fa d o 187 8 MENU Output Off gt Constant Current d Remote lt gt Constant Power NC TAS RRE RAOT ERER ERIEK EERE AOAR RRE EREEREER LO
45. Recommended EOS 2 10 Recommended Sense Connector 2 10 Minimu VVC SIZ TT 2 11 Wire Resistance and Voltage Drop 20 2 13 Front Panel Controls and Indicators eee 3 2 Hear Panel Connectors and Controls 3 6 Rear Panel Connectors and Controls GPIB Option 3 7 Rear Panel Connectors and Controls Ethernet Option 3 8 Analog Control Connector J1 Designations and Functions 3 44 FUSE TIN E E LT 5 3 M550221 01 Rev Sorensen SGI Series Contents LIST OF FIGURES Figure 1 1 Model Number Decoding 1 2 Figure 2 1 Rack Mount Assembly for 2 4 Figure 2 2 Rack Mount Assembly for 60 2 6 E T 2 14 Figure 2 4 Installation Drawing Models 10 30 2 16 Figure 2 5 Installation Drawing Models 40 600 2 17 Figure 2 6 Installation Drawing Models 800V and 1000
46. WRITING PROGRAMMABLE POWER INC MAKES NO WARRANTY AS TO 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 WWW PROGRAMMABLEPOW ER COM Date and Revision July 2014 Rev Y Part Number 550221 01 Contact Information Telephone 800 733 5427 toll free in North America 858 450 0085 direct Fax 858 458 0267 Email sales ppd ametek com service ppd ametek com Web www programmablepower com M550221 01 Rev Y lil Product Family SGI Series DC Power Supplies Warranty Period Five 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 the
47. for next screens and 3 8 5 for details M550221 01 Rev Y Sorensen SGI Series Operation 3 4 Navigating from Home Menu Page 2 ave Fl Display ey Lock Key fy Language E3 E Info Display Brightness Adj us DISPLAY See MEBE Section 3 8 7 for details 0 100 LOCK KEY See Sections 3 7 12 for next 2 3V 3 4 OVP 110 0V Unlock wy screen and 3 8 8 for details Language Menu Save Fy LANGUAGE See Select Language Section 3 8 9 for details English Home Last Cal Date 4 3 2006 Mod Num SGI160 94C 2GAA Ser Num 0613A01204 Soft Ver 1 03 1 01 Home F4 INFO See Section 3 8 10 for details 3 5 Navigating from Home Menu Page 3 2 9V 3 Steg 3 4A M550221 01 Rev Y Remole Menu Home 00 13 75 06 04 IN USE 0 0 0 0 LKI Baud Rate 192002 Etherneti REMOTE See Ethernet Remote Menu Section 3 7 9 for submenus and Section 3 8 11 for details Remote Menu Save Fy IEEE488 Addr Baud Rate IP Addr GPIB Remote Menu _System Menu Total System Current SYSTEM See 25 Section 3 8 12 for details Faj 3 19 3 7 6 Sequence Menu Refer to Basic Sequence Operation under Section 3 8 4 TESTOO 1 Vil Mode OVP 0 0V 47 1V 25 8 Pause Fa 1 2 0 00 00 000 Stop H TESTOO 1 Start ey Vil Mode OVP 0 0 NextStep ry 47 1V 25 8 Sequence M
48. key F2 F4 to the right of that configuration If a configuration was saved with the Output Condition on 4 and that configuration is recalled a warning screen See Menu Map Section 3 7 9 will be displayed The user is given the option to press Yes F1 to enable or No F4 to disable the output All other settings 3 24 M550221 01 Rev Y Sorensen SGI Series Operation will be programmed according to the recalled configuration regardless of this choice Note The warning screen will not appear if the Output is already enabled 3 8 4 Sequencing INTRODUCTION The 5 sequencing function allows the user to set up the supply to automatically run a series of voltage current and power mode operations This is especially useful for setting up the supply to test to compliance standards or unburdening the test computer in automated testing applications Through RS 232 IEEE 488 or Ethernet an external computer can trigger the sequences see SG Series Programming Manual Up to 50 sequences may be stored with each sequence containing up to 20 individual steps With the ability to string sequences together and an extensive list of step functions such as ramping looping goto and subroutine calls the user can define a nearly infinite variety of test sequences The following sections will assist the user in programming testing and running a sequence from the front panel BASIC SEQUENCE OPERATION To access the main Sequencing men
49. resistance programming coefficient for output current is 100 rated output current 5 kQ with input at Pin J1 22 IP RES and return to Pin J1 23 IP RIN An internal current source factory set at 1 mA from Pin J1 22 IP RES 15 utilized to drive the resistance This produces a transfer function for output current as follows lout 100 rated output current 5 with in ohms If multiple switches or relays are used to select resistors to program different current levels make before break contacts are recommended Note lf an external resistance is used for remote programming the current programming return Pin J1 23 IP must be connected directly to or within V of the circuit common Pins J1 6 and J1 24 See Figure 8 14 connection requirements 1 575 14 COM 6 o 2 11 22 IP RES 23 IP RTN 13 0 5 Kohms PROGRAM Figure 3 14 Remote Current Programming Using Resistance M550221 01 Rev Y 3 45 Sorensen SGI Series 3 10 2 Remote Current Programming by Voltage Source Two inputs are provided for remote voltage programming of the output current 5 VDC full scale and 10 VDC full scale The DC voltage source is connected between Pin J1 10 IP 5 V for 5 VDC source or Pin J1 16 IP 10 V for 10 VDC source and the return Pin J1 23 RTN The corresponding voltage programming coefficients for output current ar
50. the IP address the power supply continues with that Static IP address If some other device is using that address the power supply will move to secondary and attempt to acquire an IP address from a DHCP server If it cannot find a DHCP server to assign an address it will assign itself a link local address If no other device is using that link local address it will use it for 5 minutes minimum At that time if it is already in communication with some other device it will hold onto that link local address until the communication is finished and then retry DHCP Then if DHCP is not available the power supply will revert to the last successful link local address for another 5 minutes minimum Pri Config DHCP Sec Config STATIC At power up the power supply will attempt to acquire an IP address from a DHCP server If it cannot find a DHCP server to assign an address the power supply will move to Secondary and assign itself the static IP address If no other device is using the IP address the power supply continues with that static IP address If some other device is using the static IP address the power supply will move back to Primary and start the entire operation again Pri Config DHCP AUTOIP Sec Config will not be used with the Pri Config above At power up the power supply will attempt to acquire an IP address from a DHCP server If it cannot find a DHCP server to assign an address it will M550221 01 Rev Y 3 37
51. the user will be required to correct the interference at his own expense M550221 01 Rev Y vii ABOUT THIS MANUAL AND REGULATORY COMPLIANCE This manual has been written for the Sorensen SGI Series of power supplies which have been 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 B107 e Class A 109 g Class A oince 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 Instruction page vili M550221 01 Rev Y 5 SECTION 1 OVERVIEW 1 1 1 3 General o Ee 1 1 1 2 Segen cem 1 3 1 2 1 Environmental 1 3 1 2 2 Electrical SCS SER i URS 1 3 1 2 3 SGI Series Voltage and Current
52. to obtain the required accuracy 4 3 2 Constant Voltage Mode 4 6 1 Disconnect AC mains power to the unit Remove the current shunt from the output and verify that there is no load attached Remove the precision meter leads from the current shunt and apply them across the output terminals setup SGI Series unit to operate with remote voltage programming using an external 0 5 VDC voltage source as shown in Figure 3 17 in oection 3 11 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output Program the output current with the front panel control or remote interface to 10096 of rated output current Apply AC power turn the unit on and press Output On button to enable the output see Section 3 1 1 Set the voltage programming source to 5 0 V 1 mV Verify that the unit produces 10096 0 25 of rated output voltage necessary adjust R39 for 100 of rated output voltage M550221 01 Rev Y Sorensen SGI Series Calibration and Verification 8 Set the voltage programming source to 0 5 V 1 mV 9 Verify that the unit produces 10 0 25 of rated output voltage necessary adjust R35 for 10 of rated output voltage 10 Repeat the steps above as needed to obtain the required accuracy 11 Remove all connections to the remote analog control connector J1 except the jumper between Pins J1 5 and J1 6 ensure that they are jumpered to enable the output and allow front panel control 4 3 3 Change Calib
53. 0 V voltage to 40 V current to 10A and time duration to 2 s Press F1 to copy this step to the copy buffer Step 3 Turn off the voltage for 2 seconds Use the NavPad to change to the next step TESTO2 3 Press the F2 key to paste the previously saved step into this step Set the voltage to 0 V all other settings remain the same Step 4 Execute the Next loop until all 5 are complete Use the NavPad to change to the next step TESTO2 4 Select the Next operation Step 5 Stop the sequence Use the NavPad to change to the next step TEST02 5 Select the otop operation Press the ESC or Menu key to move to the Save Sequence screen and press F1 for Yes This completes programming of the sequences To run this sequence from Home Menu Page 1 press F3 to enter the main oequence menu Select TESTO1 test sequence and press F1 to start the sequence The display will show progress of the sequence and should complete in approximately 30 s M550221 01 Rev Y 3 33 Sorensen SGI Series 3 8 5 Constant Power Mode The Constant Power Mode allows the supply to regulate the output to a constant power setting as opposed to the more common constant voltage or constant current modes of operation see Section 3 2 Note This mode is intended primarily for loads with response times greater than approximately 10 ms While in this mode the supply will continually adjust the voltage and current levels to attempt to maintain
54. 0V models 1 5 s typical 100 to 10 of programming change from with no load rated output voltage to zero for 40V 1000V models contact factory for values of specific models Front Panel Meter 0 15 of rated output voltage 0 196 of actual output 1 digit for 10V 30V models 0 1 maximum of rated output voltage 1 digit for 40V 1000V models Current Accuracy 0 4 maximum of rated output voltage 1 digit to actual output Front Panel Programming 0 1 of rated output voltage 0 196 of actual output voltage for 10V 30V models 0 1 maximum of rated output voltage for 40V 1000V models Output Voltage Fall Time Voltage Accuracy to actual output Voltage 0 4 of rated output current 0 196 of actual output current for 10V 30V models 0 4 maximum of rated output current for 40V 1000V models Current Overvoltage Protection OVP 1 maximum of rated output voltage Remote Sensing Voltage accuracy regulation specifications apply at the point Connection where the remote sense leads are connected 1 V maximum per line for 10V 20V models 1 5 V maximum per line for 30V model 5 maximum of rated output voltage per line for models 40V to Line Drop less than 160V 2 maximum of rated output voltage per line for models greater than or equal to 160V greater level of line drop is allowed but output voltage regulation specifications no longer apply
55. 21 01 Rev Y Sorensen 5 Series Overview 1 2 Specifications The following subsections provide environmental electrical and physical characteristics for the SGI Series power supplies Note Specifications are subject to change without notice Note he SGI Series power supplies are intended for indoor use only Refer to Section 2 3 for use location requirements 1 2 1 Environmental Characteristics Forced convection with internal linearly variable speed fans vents on Cooling front sides and rear units may be stacked without clearance above or below Humidity o maximum non condensing 0 to 50 45 maximum wet bulb emperature 5 000 ft 1 524 m operating at full rated output power derate 10 of Altitude full power for every 1 000 ft 3 048 m higher non operating to 40 000 ft 12 192m CE Compliant Certified to UL CSA 61010 and IEC EN 61010 1 by a NRTL LVD Categories Installation Category 11 Pollution Degree 2 Class Equipment for Indoor Use Only EMC Directive EN 61326 1998 Semi F47 Compliant Agency Approvals 1 2 2 Electrical Characteristics Note Output voltage accuracy regulation and stability specifications are valid at the point where the remote sense leads are connected Input Power 208 230 10 allowed range 187 253 Voltage 380 400 10 allowed range 342 440 440 480 10 allowed range 396 528 47 Hz to 63 Hz 400 Hz at 208 VA
56. 2222505245666246435545450056 5 8045554860855050 260665 anas crece a OS aa 2553050 924282128 215259505 ORORORORDROROROROR 250502950500 ec c ce 204201259 2625 e SRO BOAO RE RO ROSE ERO ERE SE ORO ROH eRe RE OR eC eR One 655505255 02225 25556265255255 45 565455655954 E E RR AEQ M RR CES LER P ES TR E RETE 290904 90905202066 10 47 20 i 59505 2525050092050 CRORE SO 52205 5152592029 225445452204 41149542504404522720040 OR OSCR OREN OSE a s ata a DRO 926 PROKO ROTORO ORORO __ 5 525505255505 26555905 5556555 99002905596 595059055955996959508958 65 ORCRERORO AGRO RORORSRORO ur o ous uu uL ee 2222222 55592745555 OBER BBCSO a OST eres Cp o 1 Figure 2 7 Installation Drawing 60 Models 20kW 30kW M550221 01 Rev Y 2 19 Sorensen SGI Series Installation myer 22 es Sg Fg SE _ afar Re se S amp S 38 g 25 40 g gt BN 0 T 1 a P b 161 SH 06 ima grim 66 e J
57. 6 Wire Size 2 13 Calibration and Verification Sorensen SGI Series This page intentionally left blank Index 4 M550221 01 Rev Y
58. AC input and allow 5 minutes to drain the output capacitive charge to safe levels before connecting or removing output wiring 4 3 1 Constant Current Mode 1 Disconnect AC mains power to the unit Setup the SGI Series unit to operate with remote current programming using an external 0 5 VDC voltage source as shown in Figure 3 15 in Section 3 10 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output M550221 01 Rev Y 4 5 Calibration and Verification Sorensen SGI Series 9 10 11 Connect a precision current shunt across the output of the power supply and attach a precision meter across the shunt Kelvin terminals see Section 4 1 2 Attach a precision meter in parallel with the voltage programming voltage source Set the voltage programming source to 0 0 V 1mV Program the output voltage with the front panel control or remote interface to 100 of rated output voltage Apply AC power turn the unit on and press Output On button to enable the output see Section 3 1 1 Set the current programming source to 5 0 V 1 mV Verify that the unit produces 100 0 8 of rated output current If necessary adjust R33 for 10096 of rated output current through the shunt the current programming source for 0 5 V 1 mV Verify that the unit produces 1096 0 8 of rated output current necessary adjust R47 for 1096 of rated output current through the shunt the steps above as needed
59. AMETEK PROGRAMMABLE POWER Sorensen SGI Series DC Power Supplies Operation Manual M550221 01 Rev Y www programmablepower com About AMETEK Programmable Power Inc a unit of AMETEK Electronic Instruments Group a division of 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 Offering bench top supplies to rack mounted industrial power subsystems AMETEK Programmable Power is the proud manufacturer of Elgar Sorensen California Instruments Power Ten and Amrel brand power supplies and electronic loads AMETEK Inc is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of 3 6 billion The company has over 14 000 colleagues working at more than 120 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 SGI Series DC Power Supplies Operation Manual 2014 AMETEK Programmable Power Inc All rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN
60. C F1 F4 NavPad Menu Enter and Keypad 0 9 Their functions are as follows Gutput Of gt Constant Current ESC In editing ESC escape functions like the escape key on a keyboard While programming an editable item the escape key can be used to clear the entered value before it is accepted and takes effect This leaves the program function setting at the original value before editing began F1 F4 Not used to program editable items directly Function keys may be used to save recall cut past insert or delete edits made in some menus These functions will be indicated to the left of the function keys in the specific menus they are used NavPad The NavPad functions as an increment decrement editing and Live Update Pressing Up Down Live Update means the value or item displayed due to an edit change from the NavPad is actively changing the operation of the supply in real time when Output is On This includes programming editable items as well as scrolling through option lists within a menu Programming editable items If an Editing Arrow Sis displayed pressing the NavPad up or down incrementally adjusts the editable item value adjacent to the Editing Arrow by the least significant digit per press in the respective direction If the NavPad is pressed up or down and held the selected editable item will accelerate from set point to full scale or from set point to zero respectively within 15 second
61. C for 3U models 400 Hz at Frequency 208 for 60 models is an optional modification CV in model number and does not carry CE UL or CSA markings 3 phase 3 wire plus ground not phase rotation sensitive neutral not used M550221 01 Rev Y 1 3 Overview Sorensen 5 Series Power Factor at full rated load 50 60Hz contact factory for power factor of specific models PFC models 10V 30V 50V 0 90 typical for all AC input ratings with passive power factor 1000V and models with optional correction PFC modification PF 0 75 typical for 208 230 VAC input 0 72 typical for 380 400 VAC input 0 69 typical for 440 480 VAC input power factor is not solely determined by power supply input characteristics but is dependent on the level of DC output power and interaction with the source impedance of AC mains Efficiency 87 typical at full load nominal AC line 1 2 cycle typical for loss of all three phases 6 4 ms typical for 800V 1000V models 3 cycle typical for loss of one phase sustained missing phase will result in shutdown of the output 4 15 kW for 3U chassis for10V 30V models 5 15 kW for 3U chassis for 40V 1000V models 20 30 kW for 6U chassis for 60V 600V models maximum output power is the product of the rated output voltage and current for specific values refer to Section 1 2 3 Non PFC models 40V 800V Hold Up Time Rated Output Power Load Regulation sp
62. Current Limit 0 0 Execute 3 Ms Power TR Home and Editing Section 3 6 eJ Editable values Function keys OVP Setpoint Indicator Bar vertical bar Measured values for Remote Fy Voltage and Current 2 3V System Fy Function keys 3 2 Navigation arrow moves to next page menu see Navigation Section 3 5 Graph indicates portion of the present value relative to the maximum value 3 14 M550221 01 Rev Y Sorensen SGI Series Operation 3 5 Navigation The primary keys used to navigate are the escape key ESC the function keys F1 F4 the navigation pad NavPad the menu and enter key Menu Enter and voltage current overvoltage protection programming keys V I OVP Prog Their functions are as follows CO Constant Voltage f n Constant Current ESC Probably the most important key to remember escape works like the back or return button in a browser bringing the display back one menu level to the previous menu Continued pressing will eventually return the display to the Home Menu Escape is not functional in a Fault Screen ESC F1 F4 To enter a function menu or execute a function press the corresponding Function key to the right of the function to be entered B executed Only those function keys defined within that menu will be operational NavPad Used to move between menu pages and be
63. EN ee e ete e a e e e 5 0 0 0 0 079 0 0 0 0 0 9 0 06 0 0 0 6 0 0 0 0 0 0 N Cee Des Oe Ces SO de eS PROB FCRC C Ce Coe CO CI CO C Dies COR Ce CORE Ce Coe CO Os Des Ce KER BE ORE QB EER ERG EOP SEALER aO Coe 6000606060600 ORO o HONOR 229205520 CE pO CM HEGRE eee 30 eS DOB SOS OBOE COE C Ded C Oe Docs o4 19 028202525265292619792929295000055606 Coen en Coe RAL e essen e caede rS LS Send 60601506 52 E eS eS OS Ee BO BORER OO AAO SIG LG QSOS LORS Ca Ca COE 10606 4 4 um ED xx im esi LEER ER E E E sd o 2 2 ed Figure 3 1 Front Panel Controls and Indicators 30 Model Shown M550221 01 Rev Y 3 1 5 Series WARNING AN The power up factory default state is output enabled where the output will be energized at the settings of voltage and current Functional Descriptio
64. K input a value that identifies which network segment your power supply is on consisting of 4 whole numbers each ranging from 0 through 255 separated by periods Factory setting is 255 255 255 0 a class C network subnet mask Press F4 to save the change or press F1 to return to the Ethernet menu without changing anything GATE input the IP Address of any gateway that stands between the instrument and any other network entities that communicate with the power supply No factory setting Press F4 to save the change or press F1 to return to the Ethernet menu without changing anything DNS input an IP address for the Domain Name System DNS server Press F4 to save the change or press F1 to return to the Ethernet menu without changing anything GPIB Remote Menu Save Fy 488 Addr The Remote Menu for GPIB option Home Page 3 F1 EAE EE allows setting of the GPIB address and the baud rate for the RS232C interface Use the NavPad to set the GPIB address from 1 to 30 and the RS 232 baud rate from M550221 01 Rev Y Sorensen SGI Series Operation 2400 to 19200 Pressing F1 saves the new values in non volatile memory so that they will be remembered after power down Pressing F4 keeps the selected values only until the unit is power down then at next power up the previously saved settings will be restored REMOTE OPERATION SCREENS If the unit is being controlled remotely via Ethernet GPIB or RS 232 interface spec
65. LENI W400 SAGER LON OH 325 TORLONI JO UVOD 401 3OVITQ HOH 4 l NOLLNY D NOLLAWS e ATO nt iu Ol 5 SLHYd PHH WISN 4 ail E 3 V V TI LEG 23 03 27 03 PERDERE e F1 I F1 F1 ELE gt Cy Cc RAZ R45 RT1R48 R37 R35 R33 R47 58 R74 R90 Reg R73 R104 R66 e SGA R82 R45 R71R46 54 27 R38R35 R33R47 e wo sup m 19 00 1 ERE 1 127 3 28620 152506552920 652 Se puo p NM E M e 225 Eo 0 105555409455055285250406555462050955
66. Rated output voltage applies at the rear panel output terminals and line drop voltage subtracts from the voltage available at the load terminals Remote Analog Interface Programming Accuracy Voltade 0 25 maximum of rated output voltage for 0 5 range 9 0 5 maximum for 0 10 range 1 0 maximum rated output current for 0 5 VDC range and 1 2 maximum for 0 10 range for 10V 30V models M550221 01 Rev Y 1 5 Line Drop Effect on Output Voltage Overview Sorensen 5 Series Parameter Specification 0 8 maximum of rated output current for 0 5 range and 1 0 maximum for 0 10 range for 40V 1000V models Overvoltage Protection OVP 1 maximum of rated output voltage Voltage 0 5 maximum of rated output voltage of actual output value Current 1 maximum of rated output current of actual output value Voltage 0 5 for 0 100 of rated output voltage Current 0 5 for 0 100 of rated output current Voltage Control Programming Voltage 0 5 VDC or 0 10 VDC for 0 100 of rated output voltage 0 5 VDC or 0 10 VDC for 0 100 of rated output current Overvoltage Protection OVP 0 25 5 VDC for 5 110 or rated output voltage On Off control via contact closure 6 120 VDC or 12 240 VAC and TTL or CMOS gate output voltage and current monitors Remote Control Monitor Interface voltage current and OVP programming summary fault
67. Section 3 12 Voltage programming signal return to be used with Pins J1 9 J1 15 or J1 21 also must be externally connected to Pin J1 6 VP RTN Zin 10 signal return when voltage programming is utilized Circuit is electrically connected to the output power negative terminal Remote control input for output on off switch relay contact closure or direct short circuit from this terminal to Pin J1 6 Zin 10 ko COM signal return will enable turn on the output of the pull up to 15 VDC Supply remote circuit must sink up to 1 5 mA from 15 VDC to enable Circuit is electrically connected to the output power negative terminal See Section 3 13 Signal return Internally connected to Pin J1 24 Circuit is electrically connected to the output power negative terminal Monitor signal for output current 0 10 VDC 0 100 of full scale output current Minimum recommended load resistance is 100 kO Circuit return is Pin J1 6 COM Circuit is electrically connected to the output power negative terminal Monitor signal for front panel voltage potentiometer setpoint 0 5 0 100 of full scale setpoint Minimum V SET Zout 1000 recommended load resistance is 100 Signal return is Pin J1 6 COM Circuit is electrically connected to the output power negative terminal Control input for remote voltage programming using a voltage source 0 5 VDC 0 100 of full scale output voltage Do VP 5V Zin 10 not exceed a
68. Voltage and Current are programmed to zero the Overvoltage Protection OVP is set to maximum and the Output State is OFF After the 10 second timer has elapsed the Output State is changed to ON 3 2 1 Initial Setup Before connecting the unit to the AC mains ensure that the front panel ON OFF power switch is in the OFF position Check the Analog Control J1 mating connector on the rear panel to verify that Pins 5 and 6 Remote Output On Off are shorted together This is the default configuration installed from the factory This jumper allows the output of the supply to be enabled from the front panel when the Output On Off button is pressed 3 2 2 Default Programming Menu The following subsections describe operation in Constant Voltage Mode Constant Current Mode and Overvoltage Protection OVP using the Default Programming Menu for input of setpoints Sel Volt Set OVP 2 110 0 Set Curr 3 vo 550221 01 3 9 Sorensen SGI Series 3 2 3 Constant Voltage Mode Operation In Constant Voltage mode operation the output voltage is regulated at the programmed value while the output current varies with the load requirements The voltage could be programmed either through the front panel or by the remote analog voltage programming input see Section 3 11 To verify operation in Constant Voltage mode follow these steps 1 Ensure that there is no load connected to
69. a constant power to the load In order to provide additional protection for the load voltage and current limits may be set while in the Constant Power mode If the unit cannot regulate to the Constant Power setting due to load conditions it will regulate either at the voltage or current limit depending on the load demand See Figure 3 12 Constant Power Mode V limit Constant Power setting Voltage Figure 3 12 Constant Power Example Constant Power Setu To access the Constant Power Setup menu press the F4 CECH o QUE key from Home Menu Page 1 Navigate to each editable Current Limit 0 0A Execute Power Limit 0 0 Home Fj item and enter the appropriate values Press to Limits 9 9V 49 9A 0 50kWS execute the display jumps to Constant Power screen or Actual 10 7 46 3A F4 to abort the display returns to Home Menu 1 0 50kW emm From Constant Power screen the user may either edit the limits again or exit Power mode jumps to Constant Power Edit screen and after inputting new values press F3 to make those changes effective and jump back to Constant Power Screen or press F4 to ignore the changes and jump to Constant Power Exit From Constant Power Exit F1 cancels the command to Constant Power Blt Cancel gy exit and jumps back to Constant Power screen or F4 exits y a a oe Viele Constant Power
70. agram PARALLEL WITH LOCAL SENSING block diagram NOTE The voltage display on the slave units NOTE The twisted pair cable 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 26 Parallel Connection and Remote Sense M550221 01 Rev Y 3 57 Operation Sorensen SGI Series 3 16 2 Series Operation Series operation is used to obtain a higher aggregate output voltage using two units Each supply is operated individually and is set up as follows Connect the negative terminal of one supply to the positive terminal of the next supply both units must be of the same model The total voltage available is the sum of the maximum voltages of each supply Each supply displays its own output voltage and the load voltage is the sum of each front panel display CAUTION Under no condition should the negative output terminal of any power supply exceed 300 V to chassis earth ground This is limited by the isolation and creepage clearance distances internal to the power supply construction If a higher output voltage range is required contact the factory for availability Note 6 The maximum allowable current for a series string of power supplies is the rated output current of a single supply of the string 7 Remote sensing at the load should not be used during series operation Each power supply should have its remot
71. and observe the front panel voltage display accelerate up When the output voltage exceeds the OVP trip point the OVP Warning screen will be display with the voltage level reached at OVP trip The Output State will be programmed to OFF and the voltage current and OVP settings will retain their previous settings 8 Press F4 and the fault screen will clear after 4 seconds The Home Menu Page 1 will be displayed and the output will remain disabled 3 12 M550221 01 Rev Y Sorensen SGI Series Operation 9 Enter the Default Programming menu by pressing either the voltage current or overvoltage front panel keys 10 Program the OVP setting as appropriate for the application as shown above If OVP will not be used then OVP set programming may be set at maximum approximately 110 of the rated output voltage of the supply 11 If OVP mode did not function as indicated above verify the setup and perform the check again If the function continues to fail contact the factory for assistance 3 3 Initial Start Up Displays Upon initial start up of unit the following screens are displayed in sequence after initial splash screens which show manufacturer s information 4 3 2006 LAST CAL DATE Displays for seven seconds showing date that the unit was last calibrated See SG Series Programming Manual P N M550129 03 for calibration information and how to update Last Cal Date Output Will Abort be
72. at the value entered has not been programmed into memory also both the NavPad right left arrows and the NavPad up down Live Update are no longer operational in this condition The user must either abort see Section 3 6 1 Aborting an Edit or press Enter to accept the inputted value Example Programming 50V Navigate to voltage programming by pressing the Voltage programming key The Default Programming menu is displayed and the Editing Arrow is to the right of the Set Volt editable item value Begin entering the value e Press 5 The display Set Volt value reads 0 5V Notice the Editing Arrow begins to blink e Press 0 The display Set Volt value reads 5 0V e Press 0 The display Set Volt value reads 50 0V e Press Enter The value is programmed into memory Notice the Editing Arrow stops blinking and moves automatically to the next editable item This means the value has been programmed 3 6 1 Aborting an Edit Escape can be used to cancel an edit before it is accepted When pressed the value of the editable item displayed will default to the previous value before editing began The Editing Arrow does not change position and will no longer be blinking Note If an invalid or out of range value is entered with either the NavPad or Keypad 0 9 it will be ignored and the user will be alerted through an audible signal M550221 01 Rev Y 3 17 3 7 Menu
73. ation Date 4 5 Constant Current Mode 4 3 Constant Voltage Mode 4 3 Hesistive Control Current Sources 4 4 Calibration and Verification Isolated Analog Constant Current Mode 4 6 Calibration and Verification Isolated Analog Constant Voltage Mode 4 6 Calibration and Verification Potentiometer Locations 4 8 Constant Current Mode 3 11 Calibration and Verification 4 3 Operation 3 1 1 Constant Power Mode 3 34 Constant Voltage Mode 3 10 Calibration and Verification 4 3 Operation 3 10 Contents of Shipment 2 1 Controls and Indicators 3 1 Analog Control J1 3 40 M550221 01 Rev Y INDEX Front Panel ON OFF Switch 3 2 Default Programming 3 9 Display Brightness 3 35 Display Elements 3 14 Editing 3 16 Aborting an Edit 3 17 Electrical Characteristics 1 3 Environmental Characteristics 1 3 F Flexible Cables 2 13 Floating Negative Terminal 2 9 Front Panel 3 1 Front Panel Drawing 3 1 Fuses 5 3 Home Timeout 3 35 Initial Start Up 3 9 Input Overcurrent Protection 2 9 Circuit Breaker Fuse Rating 2 9 Input Output Connections 2 9 Connectors 2 12 Input Overcurrent Protection 2 9 Input Terminal Connections 2 12 Lugs 2 12 Maximum AC Current Ratings 2 11 Output Terminal Connections 2 12 Index 1 Calibration and Verification Safety Disconnect Device 2 9 Safety Ground Wire 2 9 Sense Connector Tools 2 13 Inspection 2 1 Installation Drawings 2 17 L Language 3 35 Live Update 3
74. bles with Class B or C stranding should be used Fine stranded flexible cables should not used unless crimp on lugs or ferrules are used that are approved for fine stranded cables 2 5 1 Wire Size The tables below will assist in determining the appropriate wire size for both the input and output connections Table 2 8 gives minimum recommended wire size these recommendations are for copper wire only This table is derived from the National Electrical Code and is for reference only Local laws and conditions may have different requirements For higher ratings wires can be paralleled refer to the National Electrical Code for guidelines Temperature Rating of Copper Conductor Types RUW Types FEPW Types TA TBS T TW UF RHW RH RUH SA AVB SIS FEP THW THWN FEPB RHH THHN XHHW USE ZW Table 2 8 Minimum Wire Size M550221 01 Rev Y 2 11 Installation Sorensen SGl Series When determining the optimum cable specification for your power applications the same engineering rules apply whether at the input or output of an electrical device Thus this guide applies equally to the AC input cable and DC output cable for this power supply and application loads Power cables must be able to safely carry maximum load current without overheating or causing insulation degradation It is important to power supply performance to minimize IR voltage drop loss within the cable These losses have a direct effect on
75. brackets 2A and 2B to the stationary slide sections 1A with the hardware provided by the slide supplier as shown in Ensure that the stopper orientation is as shown in Note Adjust the location of the mounting brackets as required for the particular type of cabinet vertical rails utilized 3 Mount the stationary slide sections 1A with brackets already installed into the cabinet using appropriate hardware e g bar nuts cage nuts clip nuts while ensuring that they are level front to back and left to right of the cabinet rails 4 nsert power supply chassis with slide sections 1B into slide sections 14 5 Secure the front panel of the power supply chassis to the cabinet rack rails using the screws provided in the ship kit 2 3 4 Chassis Removal from Rack WARNING A minimum two person lift is required for the 30 SGA Series power supply which weighs up to 110 Ib 50 kg depending on the model A minimum three person lift is required for the 6U SGA Series unit which weighs up to 170 lb 77 kg depending the model The slides have a front disconnect feature and lock at full extension To disconnect and remove the chassis from the rack depress the flat steel spring located on the slides inward and pull the chassis forward To return the chassis back into the rack from full extension depress the flat steel spring located on the slides inward and push the chassis back When the chassi
76. cases an on off power cycle sequence may also be required Figure 3 11 provides a graphical representation of this example burn in sequence Burn in Sequence Output Voltage 0 5 10 15 20 25 30 Time in seconds Figure 3 11 Burn in Sequence Example To begin programming a sequence it is important to know the exact settings for each step of the sequence In this case two sequences will be programmed the first being the up down ramp sequence and the second the on off sequence The two will be strung together using a Goto command The example sequence will perform the following Sequence 1 Up Down Ramp otep 1 Ramp the output voltage from 0 V to 20 V over a 1 s period Step 2 Hold the voltage at 20 V for 2 s otep 3 Ramp the voltage from 20 V to 40 V over 500 ms period Step 4 Hold the voltage at 40 V for 2 5 s Step 5 Ramp the voltage from 40 V to 0 V over a 2 s period otep 6 Hold the voltage at 0 V 2 s otep 7 Go to sequence 2 M550221 01 Rev Y 3 31 3 32 Sorensen SGI Series Sequence 2 On Off Loop Step 1 Begin a loop and set the count to 5 Step 2 Turn on the voltage to 40 V for 25 step 3 Turn off the voltage for 2 s Step 4 Execute the Next loop until all 5 are complete otep 5 Stop the sequence Run the sequence To program these sequences do the following Sequence 1 Up Down Ramp From the Home Menu Page 1 select F3 to en
77. ck Hj IP WASK GATEWAY DNS Sav 5 Series 3 7 10 Remote Control Screen Examples Hemote screens display when operation is controlled by computer Pressing F4 from any Remote screen returns operation to Local Mode Limits 9 9V 49 9A 0 50kW TESTOO Actual 46 3 Vil Mode OVP 0 50kW lt Local 0 00 00 000 Local ey 3 11 Warning Screens d 1 0 Confirm output i Engaged Engaged to be enabled 0 00 00 CirFault ey 0 00 00 Clr General hardware failure has Overvoltage Protection was Displays when a saved setting occurred Press F4 Clear Fault tripped Press F4 Clear OVP with Output On is recalled See to reset the unit the unit will reset in 4 seconds Section 3 8 3 for details 3 7 12 Other Screens Press Enter l To Unlock Keys OVP 110 0 O OkM 4 Home Menu Time Out Screen 2 Unlock control displays after 30 second idle Page 2 F2 to unlock press F4 3 8 Programming Operating Functions This section describes various programming operating instructions 3 8 1 Voltage Current and Overvoltage Protection Programming Press Voltage Current or Overvoltage key on Control EET E Panel to go directly to the Default Programming Menu The 2 3V oov 110 0 editing arrow will be displayed next to the corresponding item pressed Set C 4 Home sy
78. e 100 rated output current 5 VDC or 100 rated output current 10 VDC from the respective inputs with return to Pin J1 23 IP RTN This produces transfer functions for output current as follows lout 100 rated output current 5 VDC with Vdc in volts or lout Vdc 100 rated output current 10 VDC with Vdc in volts Note return Pin J1 23 IP RTN must be referenced directly to or within 3 V of the circuit common Pins J1 6 and J1 24 See Figure 3 15 for connection requirements pa 1 B 16 IP 10V 6 10 55 0 5VDC 28 IP RTN 0 10 VDC VOLTAGE __ VOLTAGE SOURCE 7 Figure 3 15 Remote Current Programming Using 0 5 VDC or 0 10 VDC Source 3 46 M550221 01 Rev Y Sorensen SGI Series Operation 3 11 Remote Voltage Programming 3 11 1 Remote voltage programming is summed with the front panel or digital setting see Section 3 9 Remote voltage programming configuration is used for applications that require the output voltage be programmed controlled from a remote instrument An external resistance or external voltage source may be used as a programming device When using remote voltage programming a shielded twisted pair cable is recommended to prevent noise interference to programming signals Remote Voltage Programming by Resistance The resistance programming coe
79. e source 0 10 0 100 of full scale output voltage Do 15 VP 10V Zin 20 not exceed an input of 25 VDC Signal return is Pin J1 4 or Pin J1 20 VP RTN Circuit is electrically connected to the output power negative terminal See Section 3 11 Remote control input for current programming using a voltage source 0 10 VDC 0 100 of full scale output current Do 16 IP 10V Zin 20 not exceed an input of 25 VDC Signal return is Pin J1 4 or Pin J1 20 VP RTN Circuit is electrically connected to the output power negative terminal See Section 3 10 Output signal for indicating a fault state a logic high state approximately 10 VDC indicates a fault has occurred in a power module such as overtemperature undervoltage of AC hr FEM COUPE TRO input or converter failure front panel Fault LED will also be lit Signal return is Pin J1 6 COM Circuit is electrically connected to the output power negative terminal Output signal for shutdown fault state a logic high state indicates shutdown produced by an OVP condition Power On Reset POR remote disable or housekeeping supply 18 S D FAULT Zout 1000 fault An 8 VDC minimum output signal is provided into a load of 10 kO load Signal return is Pin J1 6 COM Circuit is electrically connected to the output power negative terminal See Section 3 13 3 Monitor signal for output voltage 0 10 0 100 of full scale output voltage Minimum recommended load resistance is
80. e Ethernet MAC emole Menu address of the power supply which cannot be edited E0018 78 08 0708 t Access the menu from Home Menu Page 3 F1 key This Baud Rete 192005 Ethernet 9 menu also displays in the IP IN USE line the IP address presently in use from either a static IP setting or from the DHCP server depending on how assigned The Baud Rate is editable via the NavPad changing it here changes the rear panel RS 232 SCPI baud rate The initial factory setting is 19200 LXI submenu F3 from the Remote Menu displays identification DISABLED two settings required by the LXI requirements Lui Settings Cancel Fy Response ave Hj PING Response enables or disables the power supply s response to a ping packet sent from a remote Ethernet host To change the setting to either ENABLED or DISABLED move the editing arrows to the PING Response line by pressing NavPad left right and then change the setting by pressing NavPad up down Press F1 to Cancel the change and return to the Hemote Menu screen or press F4 to Save the changed setting Identification controls the LAN LED on the power supply s rear panel ENABLED causes the LAN LED to flash for visual identification DISABLED causes the LAN LED to be steady lit to indicated the power supply s connected status change the setting move the editing arrows to the Identification field by pressing NavPad left right and then cha
81. e Language Menu The next time the unit is powered up it will be in the last saved language Pressing F4 will keep the selected language only for the remainder of the session and will revert to the previously saved language at next power up Language Menu Save Fy FOREIGN LANGUAGE If the unit is set to a language foreign to the user press the escape key until Home Menu Page 1 appears Even in a foreign language the Voltage and Current values will still display value with the letter V and value with the letter A respectively Also there will be only one inter screen navigation arrow which is located at the bottom of the M550221 01 Rev Y 3 35 Sorensen SGI Series screen Use the NavPad to scroll down to Home Menu Page 2 there will be two inter screen navigation arrows one at the top and one at the bottom of the screen Press F3 which jumps to the Language Menu and then use the NavPad to scroll to the user s native language 3 8 10 Info The Supply Information screen shows the date that the unit 0604 Mod Num SGI160 94C 2GAA was last calibrated Model Number and Serial Number of Ser Num 0613A01204 the unit and version of the software To access this screen Home E from Home Menu Page 2 press F4 3 8 11 Remote Remote F1 provides screens for either the Ethernet option or the GPIB option described in the following subsections ETHERNET The Ethernet Remote Menu displays th
82. e particular inductance and energy to be dissipated The Peak Reverse Voltage ratings should be a minimum of 2 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 A heatsink may be required to dissipate the power caused by flow of current Battery Application 7 7 gt 1 ENT xt OR 7 1 Inductive Load Freewheel Application Diode Figure 2 3 Diode Connection 2 14 M550221 01 Rev Y Sorensen SGI Series Installation 2 7 Outline Drawings Figure 2 4 through Figure 2 7 show the outlines and overall dimensions for installation of the 30 and 60 models of the SGI Series power supplies Figure 2 8 through Figure 2 16 show locations of rear panel connectors Figure 2 17 shows protective covers for the AC input and DC output of the 3U 10V 30V models M550221 01 Rev Y 2 15 Installation
83. e sense leads connected to its own output terminals 8 An anti parallel diode power diode capable of the maximum current of the series group connected across the output but reverse biased is recommended to protect against sinking current into a supply should one supply be ON while another other is OFF Refer to Section 2 6 1 3 58 M550221 01 Rev Y SECTION 4 CALIBRATION AND VERIFICATION 4 1 Introduction This section provides calibration and verification procedures for the SGI Series power supplies and the Remote Isolated Analog Interface control option Refer to the SG Programming Manual for calibration of display readback and remote digital programming option 4 1 1 Calibration and Verification Cycle Annual calibration and verification is recommended Calibrate only as needed 4 1 2 Preparation WARNING Hazardous voltages exist at the rear of the supply Care must be taken to avoid contact with the AC input and DC output terminals Only authorized personnel should perform this procedure Only technically trained personnel who understand the operation of the power supply and are capable taking accurate readings should perform calibration The calibration procedures require two digital multimeters and a precision shunt for measurement of voltage and current To set up for the calibration procedures perform the following initial steps Disconnect AC mains power 2 Connect a precision current shu
84. ecified for 100 rated load change at nominal AC input voltage 0 05926 maximum of rated output voltage for 10V 30V models 0 0296 maximum of rated output voltage for 40V 1000V models Voltage Current 0 1 maximum of rated output current Line Regulation specified for 10 change of nominal AC line voltage at constant load 0 0596 maximum of rated output voltage for 10V 30V models Voltage 0 0196 maximum of rated output voltage for 40V 1000V models 0 0596 maximum of rated output current Ud typical of rated output voltage or current over 8 hrs at ixed line load and temperature after 30 min warm up Refer to Ripple Noise specifications in tables of Section 1 2 3 RE assured 10 ms maximum from 10 9096 of programming change from zero to rated output voltage for 10V 30V models Output Voltage Rise Time 100 ms maximum from 5 95 of programming change from zero to rated output voltage for 40V 1000V models contact factory for values of specific models with rated load resistive current rise time same 1 4 M550221 01 Rev Y Sorensen 5 Series Overview Output Voltage Fall Time 10 ms maximum from 90 1096 of programming change from with rated load resistive current fall rated output voltage to zero for 10V 30V models time same contact factory for values of specific models 50 ms maximum from 90 10 of programming change from rated output voltage to zero for 10V 3
85. enabled OUTPUT ENABLED WARNING Indicates number of seconds left 10 second countdown warning the user that the output will be enabled at the end of the countdown unless the process is aborted by pressing the F1 key on the front panel Once aborted the output remains off until the user enables it with the Output On Off key refer to Section 3 1 This warning appears only if the unit is both in Local mode and was last set and saved to enable the output at its next start up See oection 3 8 2 for changing and saving the Power On PwrOn Output settings Note Factory default setting for Output at start up is ON output enabled E Save 2 3 3 3 Per 1 Final screen to display upon initial start up of the unit it is from here that the user may access all menu functions See Menu Map Section 3 7 for Home M550221 01 Rev Y 3 13 Sorensen SGI Series Menu pages 1 through 3 and their submenus See Functions Section 3 8 for access and program menu functions HOME TIMEOUT Displays after 30 seconds of idle time in any of the three Home Menu pages pressing the F4 key on the front panel returns the display to Home Menu Page 1 3 4 Display Elements Editing arrows for navigating to Name of active screen constant Power Setup g editable items within a menu and for vol Limit 0 05 editing see Navigation Section 3 5
86. enu 1 2kW Test ID 0 00 00 000 Stop py TESTO1S Program Fy Del Test TESTOO 1 Start ey Vil Mode OVP 0 0 NextStep ry 47 1V 25 8 1 2kW 0 00 00 000 Stop n Delete Test Yes fi TESTOQ No 3 7 7 Sequence Programming Operation Sorensen SGI Series TEST5O 0 OVP 80 0 2 2 3 4 Resume 0 01KW 0 00 03 000 Stop amp j The screens in this section show the various operations available for programming a sequence See details on Step Operations under Section 3 8 4 TESTOO 1 CopyStep Fy PasteStp fy TESTOO 1 CopyStep ey Yil Modes OVP 0 0 PasteStp ey 0 0V 0 0 Insert NE 0 00 00 000 Delete gay TESTOO 1 CopyStep Ramp Y OVP 0 0 PasteStp fy Vie 0 0V Vf 0 0V Insert 0 0 0 00 00 000 Delete taf TESTOO 1 CopyStep ry Ramp 1 OVP 0 0V PasteStp ry liz 0 0A If 0 0A LEJERE 0 0 0 00 00 000 Delete TESTOO 1 GopyStep ey CP Modez OVP 0 0 PasteStp Limits 0 0V 0 0A LEGARE OW 0 00 00 000 Delete 3 20 TESTOO 1 Repeats TESTOO 1 Returns TESTOO 1 5 Ey PasteStp fy Insert Fy Delete CopyStepey PasteStp Fy insert S Delete CopyStep Fy PasteStp ey Insert Ff Delete Fa Copystep Ey PasteStp fa Insert 3 Delete 54 TESTOO 1 TESTOO 1 TESTOO 1 TESTOO TESTOO 1 M550221 01 Rev Y CopyStep Fy PasteStp gy Insert Ey Delete Copystep Ey PasteStp ey Dele
87. epending on the model Refer to Figure 2 1 for 3U rack mount assembly drawing for the following instructions 1 Install the slide sections 10 on both sides of the power supply chassis with screws three on left side and four on right side Ensure that the latch spring orientation is as shown in Note 2 Install the brackets 2A and to the stationary slide sections 14 with the hardware provided by the slide supplier as shown in Note 3 Ensure that stopper orientation of slide sections 18 is as shown in Note A Adjust the location of the mounting brackets as required for the particular type of cabinet vertical rails utilized 4 Mount the stationary slide sections 1A with brackets already installed into the cabinet using appropriate hardware e g bar nuts cage nuts clip nuts while ensuring that they are level front to back and left to right of the cabinet rails 5 Insert power supply chassis with slide sections 10 into slide sections 1B 6 Secure the front panel of the power supply chassis to the cabinet rack rails using the screws provided in the ship kit M550221 01 Rev Y 2 5 Sorensen SGI Series Installation Lil gt E Di gt
88. est step was when the key was pressed Pressing F3 Resume restarts the sequence from the beginning of the same step Note For steps with voltage or current ramps the step will resume at the beginning of the ramp and not at the point at which the ramp was paused Pressing F4 Stop to stop the sequence returns the display to the main Sequence Menu SINGLE STEP press F2 from the main Sequence Menu to single step through a test sequence display will show the test sequence name and M550221 01 Rev Y 3 27 5 Series step number It will also indicate the current operation being executed and display voltage current OVP power and time remaining for that step User may start the sequence after any step causing it to run in continuous mode by pressing F1 Start The sequence will start from the beginning of the test sequence not the beginning of the current step To continue to single step through each sequence step press F2 NextStep Pressing F2 NextStep before the timer ends will replay the step Pressing F4 Stop allows the user to stop the single step mode and the display returns to the main Sequence Menu PROGRAM press F3 from the main Sequence Menu to program a test sequence The Test Sequence submenu shows the name of the current test sequence and step number In addition it displays the primary operation of the test step there are 13 different operations see Section 3 8 4 3 Opera
89. fficient for output voltage is 100 rated output voltage 5 kQ with input at Pin J1 21 VP RES and return to Pin J1 20 VP An internal current source factory set at 1 mA from Pin J1 21 VP RES 15 utilized to drive the resistance This produces a transfer function for output voltage as follows Vout 100 rated output voltage 5 with in ohms Note lf an external resistance is used for remote programming the voltage programming return Pin J1 20 VP RTN must be connected directly to or within V of the circuit common Pins J1 6 and J1 24 See Figure 3 16 for connection requirements com C 1 6 22 20 VP RTN 21 VP RES 13 e 0 5 Kohms O PROGRAM Figure 3 16 Remote Voltage Programming Using Resistance M550221 01 Rev Y 3 47 Sorensen SGI Series 3 11 2 Remote Voltage Programming by Voltage Source Two inputs are provided for remote voltage programming of the output voltage 5 VDC full scale and 10 VDC full scale The DC voltage source is connected between Pin J1 9 VP 5 V for 5 VDC source or Pin J1 15 VP 10 V for 10 VDC source and the return terminal J1 20 RTN The corresponding voltage programming coefficients for output voltage are 10096 rated output voltage 5 VDC or 10096 rated output voltage 10 VDC from the respective inputs with return to Pin J1 20 VP RTN This produces transfer functions for output vol
90. for your SGI Series power supply the ship kit may include additional parts and accessories Minimum items included in the ship kit e AMETEK manuals CD ROM P N M550008 01 containing the SGI Series DC Power Supplies Operation Manual this manual P N 550221 01 and the SG manual for the digital interface options IEEE 488 2 RS232 and Ethernet Programming Manual P N M550129 03 1 Sense mating connector 10V 800V models Molex P N 39 01 4031 with loose contacts Molex P N 39 00 0182 1000V model Molex P N 39 01 4041 with loose contacts Molex P N 39 01 0182 2 J1 mating connector Cinch P N DB25P or equivalent normally shipped attached to rear panel J1 3 Backshell for J1 DB25 mating connector Cinch P N DCH B 001 or equivalent M550221 01 Rev Y 2 1 Installation Sorensen SGI Series 4 Hardware for input output terminal power connections 4 15 kW 10V 30V models 1 2 13UNC 2B x 1 25 long 4 ea with nut washer and lockwasher 3U 5 15 kW 40V 600V models 3 8 16UNC 2B x 1 0 2 ea with nut washer and lockwasher 3U 5 15 kW 800V and 1000V models have studs 1 4 20UNC 2B 2 ea with nut washer and lockwasher installed on rear panel 60 20 30 kW 3 8 16UNC 2B x 0 875 2 ea with nut and lockwasher for DC output 1 4 20UNC 2B 4 ea with Keps nut for AC input 5 Front panel rack fastener black screw 3U 10V 1000V models 10 32UNC 2B x 0 5 4 ea 60 20 30 kW 10 32UNC 2B x 0 5
91. ged HARD FAULT 0 00 00 ClrFaultsy Hard Fault warns that a hardware fault has occurred in a power module such as an overtemperature undervoltage of AC input or converter failure These conditions might clear themselves however if they continue to occur after pressing the F4 ClrFault key contact the factory for service assistance OVP 110 0V Engaged OVP FAULT 50 clr wey OVP Fault occurs when the output voltage of the supply exceeds the OVP setting When this occurs the output is disabled and voltage and current output go to 0 To clear the display press F1 Clr OVP The display will return to Home Menu Page 1 and the output will remain disabled Note It is important to correct the condition that caused the OVP prior to re enabling the output 3 9 Remote Analog Control Connector J1 The Analog Control connector of the Remote Analog Interface on the rear panel allows the unit to be configured for different operating configurations front panel local and remote programming of voltage current and OVP voltage and current monitoring output enable disable etc Refer to Figure 3 13 for the connector pin out diagram The setup and operating requirements of each configuration are provided in Sections 3 10 through 3 13 3 The SGI also has the capability of providing summing of remote analog input with the set values on the front panel or programmed values via the digital interface for voltage current and OVP T
92. his capability provides a means to modulate a set value with the signal on the voltage current and OVP analog input If the user only desires to control the unit with the analog input all the front panel values V I OVP or digital settings should be set to zero 3 40 M550221 01 Rev Y Sorensen SGI Series Operation CAUTION If standard Remote Non Isolated Analog Interface programming is used the programming return J1 6 and J1 24 is at the same potential as the negative output terminal of the power supply not isolated Proper connection should be made to signal returns with respect to input programming equipment Improper connection might result in ground return loops and as a result internal power supply damage might occur output current could then flow by way of the external connection to the J1 common J1 6 and J1 24 Refer to Table 3 5 REMOTE ANALOG ISOLATED INTERFACE CONTROL OPTION The Remote Isolated Analog Interface control uses the same Analog Control connector J1 as the standard interface This option fully isolates remote control signals and allows control of units not connected to a common ground Control ground is isolated from output power output negative terminal which protects against potential damage from systems with high electrical noise or large ground loop currents Note Some standard Non Isolated Analog Interface programming signals are not available with this option see Table 3 5 for de
93. his may be used to protect sensitive circuits or loads from damage caused by an excessive voltage on the output of the supply The Overvoltage Protection OVP could be programmed either through the front panel or by the remote analog OVP programming input see Section 3 12 To verify OVP operation follow these steps 1 Make sure there is nothing connected across the output terminals 2 on the power supply 3 ifthe default power on state had been previously configured to be OFF when the supply reaches the Home Menu Page 1 enable the output by pressing Output On Off 4 Enter the Default Programming menu by pressing either of the Current voltage current or overvoltage front panel keys Overvolt 5 Program the Current to 10 of rated output this programs the current above zero to enable supplying output current while in the constant voltage mode See Section 3 8 1 for more details on programming 6 Navigate to OVP Overvoltage programming The factory default setting is approximately 110 of the maximum rated output of the supply With the Editing Arrow adjacent to Set OVP press and hold the NavPad down arrow and observe the front panel voltage display accelerate down Release the NavPad down arrow when the OVP is programmed to about 80 90 of the maximum rated output voltage value 7 Navigate to Voltage programming With the Editing Arrow adjacent to Set Volt press and hold the NavPad up arrow
94. ial screens may appear during operation The following describes those displays e Remote Mode Primary display shows the actual values for Volts and Watts F4 jumps to Home Timeout screen Remote Mode Power display shows the set points on T Limits 9 9V 49 984 0 50kW the first line actual values for Voltage and Current on Actual 10 7V 46 3A the second line and at the bottom the actual value for 50 NC Watts with a bar graph of its percent of full scale power F4 jumps to the Constant Power screen TESTOO 1 e Remote Mode Sequence display shows what sequence is running F4 jumps to the local Sequence 47 AN 25 8 Run screen 1 2kW 0 00 00 000 Local 3 8 12 System site System submenu allows the user to display the total sete Byelem current ie i Default system current when the unit is being paralleled with 25 0 Home 4 other SG series supplies From Home Menu Page 3 press F2 to enter the System Menu Determine the Total System Current by adding the maximum current rating of all supplies in parallel Use NavPad or the KeyPad 0 9 to enter the appropriate value F3 resets Total System Current to the supply default value F4 keeps the displayed value and jumps to Home Menu Page 1 M550221 01 Rev Y 3 39 Sorensen SGI Series 3 8 13 Warning Screens There are two warning screens that may appear during the course of operation Hard Fault Enga
95. ies 10 Set the voltage programming source to 5 0 V 1 V Verify that the unit produces 10096 0 25 of rated output voltage necessary adjust R74 for 100 of rated output voltage Set the voltage programming source to 0 5 V 1 mV Verify that the unit produces 10 0 25 of rated output voltage If necessary adjust R90 for 1096 of rated output voltage Repeat the steps above as required to obtain the required accuracy all connections to the remote analog control connector J1 except the jumper between Pins J1 5 and J1 6 ensure that they are jumpered to enable the output and allow front panel control 4 2 3 Resistive Control Programming Current Sources 4 4 Standard Non Isolated Analog Interface Control 1 2 10 Disconnect the mains power to the unit Connect a precision current shunt across the output of the power supply and attach a precision meter across the shunt Kelvin terminals see Section 4 1 2 setup the SGI series unit to operate with remote current programming using resistance by connecting a 5 kO 0 196 or better tolerance resistor as shown in Figure 3 14 in Section 3 10 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output Attach a precision meter across the shunt Kelvin terminals Apply AC power turn the unit on and press Output On button to enable the output see Section 3 1 1 Adjust R35 so that the measured output current equals 10096 rated o
96. ining steps after the Repeat command To repeat the preceding steps more than once use the Loop operation Subcall This operation calls another test that runs as a sub sequence If that sub sequence includes a Return command execution of the primary sequence resumes at the step following the Subcall step Use the NavPad to scroll to the desired Test name and change as appropriate Return This operation causes execution to resume at the step immediately following the most recent Subcall When occurring in a primary sequence without a prior oubcall Return stops execution of the test sequence Return is of only three operations that may be used in step 21 of a test sequence Loop This operation causes the unit to repeat all steps between the Loop operation and the Next operation for the specified number of counts maximum of 65 535 Use the NavPad to set the Count for the total number of loops Use the Next operation after the last step to be repeated Once the Loop has completed the set number of counts the unit will continue to execute the remainder of the sequence Next Next is used at the end of a Loop to signify the end of the looped sequence If Next is not preceded by the Loop operation this is an INVALID condition f the program encounters the Next command under these conditions the sequence will abort and the output power to the terminals will be disabled Stop Stops the test sequence execution and reta
97. ins the last programmed output value The Stop operation may be used in step 21 of a sequence Goto This operation allows the sequence to exit the existing test sequence and begin another test sequence Goto is used to string together multiple sequences for a single test The Goto operation may be used in step 21 of a sequence Pause This operation suspends execution of the sequence and waits for operator input to press either the Sorensen SGI Series TESTOO 1 Repeats TESTOO 1 TESTOO 1 Return TESTOO 1 Loops Count TESTOO 1 Nex t TESTOO 1 Stops TESTOO 1 TESTOO 1 Pause 2 CopyStep ry PasteStp ry Insert NT Delete fa CopyStep y Copystep Fy Copystep Ey PasteStp ey CopyStep y PasteStp gy Insert gy Delete js Copystep Fy PasteStp a Insert Delete sa CopyStep ey PasteStp Insert Delete My CopyStep Fy PasteStp Ey Insert Delete Fay M550221 01 Rev Y Sorensen SGI Series Operation Resume key to continue the sequence or the Stop key to end the sequence SEQUENCING EXAMPLE The following provides an example of programming and running a test sequence A typical burn in sequence requires the voltage to the device under test DUT to ramp up to a nominal voltage allow the unit to soak at that voltage for a period of time then bump up that voltage to another level soak etc then return the output back to zero In some
98. ion of the potentiometers but with the cover still on top of the chassis The ribbon cable should then be carefully moved sufficiently to expose the adjustment screws of the potentiometers The latest 3U chassis units do not have access holes in the top cover and the top cover must be partially removed to perform calibration The cover should be slid towards the rear of the chassis just enough to expose the potentiometers but with the cover still on top of the chassis If the Ethernet option is installed a ribbon cable must be moved as described above for the 6U chassis When a unit is configured with the Remote Isolated Analog Interface option calibration must be first performed on that option refer to Section 4 3 before the standard calibration and verification procedures of Section 4 2 are performed 4 2 M550221 01 Rev Y Sorensen SGI Series Calibration and Verification 4 2 1 Constant Current Mode 1 9 10 11 setup SGI Series unit to operate with remote current programming using an external 0 5 VDC voltage source as shown in Figure 3 15 in oection 3 10 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output Connect a precision current shunt across the output of the power supply and attach a precision meter across the shunt Kelvin terminals see Section 4 1 2 Attach a precision meter in parallel with the current programming voltage source Set the current programming source to 0 0 V 1mV
99. is oz v aNnos9 SISSVHO 2 SATOH ZL 0 STVNINYAL LNANI OV 1 NMOHS NOILdO 9149 S3 LON 9199 HOLO3NNOO HOLIMS did 22054 HOLO3NNOO 0t 10 6 X310 YOLOANNOO gns a dsz 15 YOLOANNOO CIS Figure 2 15 Rear Panel GPIB Option 6U Models 20kW 30 kW M550221 01 Rev Y Sorensen SGI Series Installation 00 61 9297 V U RA Lm mf x 9
100. l sensing of the output voltage at the output terminals When remote sense 15 connected the PTC local resistor network is short circuited effectively removing it from the circuit Hemote Sense Hesistor Network MM NEN Sense o Hemote Sense PTC Amplifier X Local X Resistor Network Out Power Out Converter Power Supply Figure 3 23 Remote Voltage Sensing Network 3 52 M550221 01 Rev Y Sorensen SGI Series Operation CAUTION If the power supply is operated with load power lines disconnected and remote sense lines connected internal power supply damage might occur since output load current could flow through the remote sense terminals To use remote voltage sensing connect the power supply as described below in Figure 3 24 for 10V 800V models and Figure 3 25 for the 1000V model A shielded twisted pair cable is recommended to avoid potential noise interference J3 1 Sense J3 2 Sense 10V 600V Only J3 3 Sense 800V Only Power Supply Output Figure 3 24 Remote Sense Connection at the Load 10V 800V Models M550221 01 Rev Y 3 53 Operation Sorensen SGI Series J3 1 Sense J3 2 Not Used J3 3 Not Used J3 4 Sense Power Supply Output Figure 3 25 Remote Sense Connection at the Load 1000V Model 3 54 M550221 01 Rev Y Sorensen SGI Series Operation 3 15 Floating and Polarized Output The SGI Series supply can be set up for a Positive o
101. le to connect the PAR OUT connector to the PAR IN connector of the third power supply Slave 2 Continue these interconnections up to a maximum of 5 power supplies 4 Connect the Positive output terminals of all the power supplies and the load 5 Connect the Negative output terminals of all the power supplies and the load 6 Confirm that there are no shorts between the Positive and Negative output terminals 7 Referring to Figure 3 26 connect twisted pair sense cables as follows ensure that all twisted pair cables are as short as possible All slave units shall have twisted pair cables from their sense terminals to their own output terminals For remote sense at the load the master unit shall have a twisted pair cable from its own sense terminals to the load terminals For remote sense at the output terminals local sense connection the master unit shall have a twisted pair cable from its own sense terminals to the output terminals of its own chassis 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 56 M550221 01 Rev Y Sorensen SGI Series Operation EN 2 INTERFACE CABLE T INTERFACE CABLE 890 453 03 890 453 03 PARALLEL WITH REMOTE SENSING block di
102. les organizations can accept any responsibility for personnel material or inconsequential injury loss or damage that results from improper use of the equipment and accessories M550221 01 Rev Y V SAFETY SYMBOLS PEPE M550221 01 Rev Y 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 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 VI This equipment has been tested and found to comply with the limits for 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
103. n Two position switch turns the power supply and off WARNING ON OFF Switch OFF position does not remove AC input from internal circuits or input terminal blocks Disconnect external AC input before servicing unit Front Panel Display 256 x 64 graphic vacuum fluorescent display for menus settings and functions Function Keys F1 F4 conde Function Keys F1 F4 1 4 Context sensitive soft keys execute commands specified front panel display by its corresponding label LED Mode Indicators Indicates the mode that is active Power to output terminals is present Power to output terminals is disabled oupply presently controlled by remote digital interface Power supply presently in Constant Voltage mode Power supply Constant Current mode Navigation Pad navigates between and within screens also NAVPAD used for increment decrement control to make live updates see Section 3 5 Section 3 6 8 Numeric Keys 0 9 Used to enter specific values for editable items 9 ESC Key escape _ Cancels numeric input and or returns to previous menu 10 Menu Enter Table 3 1 Front Panel Controls and Indicators 3 2 M550221 01 Rev Y Sorensen SGI Series Operation
104. n Ib 2 Nm to 2 3 Nm e Wire ferrules are recommended properly sized to match the wire gauge use appropriate crimp tool for the ferrule size e Wire insulation should be stripped to 5 8 maximum For more information on the AC input connector refer to the manufacturer Phoenix Contact part number HDFKV 16 at their website www phoenixcontact com Power Supply Type Connection Description Bus bars with two holes for 1 2 bolts on each terminal 4 kW to 15 kW 10V 30V models POS and NEG 40V 600V models bus bars with single holes for 3 8 bolts on each terminal POS and NEG 800V and 1000V models 1 4 20 studs for each terminal POS and NEG Bus bars with single holes for 3 8 bolts for each terminal SOS NES e POS and NEG Table 2 5 Output Terminal Connections Manufacturer Low Current __ High Current Panduit P PV or PN series or Standard stranded wire LCA Series or equivalent andui equivalent Flexible stranded wire LCAX Series or equivalent Note Contact lug manufacturer for recommended crimping tool Table 2 6 Recommended Lugs 5 kW to 15 kW 40V 1000V models Extracting 11 03 0044 Table 2 7 Recommended Sense Connector Tools 2 10 M550221 01 Rev Y Sorensen SGI Series Installation 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 CAUTION AN Ca
105. n installing equipment follow ESD safety procedures Electrostatic discharges might cause damage to the equipment Only qualified personnel who understand and deal with attendant hazards in power supplies are allowed to perform installation and servicing Ensure that the AC mains input ground is connected properly to the chassis safety ground connection 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 mains input is de energized prior to connecting or disconnecting any cable In normal operation from the front panel the operator does not have access to hazardous voltages within the chassis However depending on the application configuration HIGH VOLTAGES HAZARDOUS TO HUMAN SAFETY might be normally generated on the output terminals The user must ensure that the output power lines are labeled properly as to the safety hazards and that any possibility for 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 Power Inc San Diego California USA oor any of the subsidiary sa
106. n AMETEK may at its option repair or replace the Product or issue a credit note for the defective Product or provide the 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 not authorized by AMETEK is installed or operated contrary to the instructions of is opened modified disassembled way without AMETEK s consent is used in combination with items articles or materials not authorized by 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 1 Request a Return Material Authorization RMA number from the repair facility must be done in the country in which it was purchased In the USA contact AMETEK Repair Department prior to the return of the pr
107. n Off Current 4 Enter the Default Programming menu by pressing either of the voltage current or overvoltage front panel keys 5 Program the Voltage to 10 of rated output this programs the voltage above zero to enable supplying output voltage while in the constant current mode See Section 3 8 1 for more details on programming 6 Navigate to Current programming With the Editing Arrow adjacent to Set Curr press and hold the NavPad up arrow and observe both the front panel current display and the output of the DC ammeter begin to accelerate up The output current should increase from 0 A to the maximum rated current of the supply The front panel display and DC ammeter readings should track within the accuracies of the meter and the front panel display 7 Verify the front panel Constant Current Mode indicator is on 8 Program the Voltage and Current back to zero 9 Turn the power supply off 10 Allow 5 minutes for the output capacitors to discharge and disconnect the ammeter or short from the output terminals M550221 01 Rev Y 3 11 Sorensen SGI Series 11 If Constant Current mode operation did not function as indicated above verify the setup and perform the check again If the function continues to fail contact the factory for assistance 3 2 5 Overvoltage Protection The Overvoltage Protection OVP function allows the supply to shutdown the output if it were to exceed a preset voltage T
108. n device must be installed at the AC mains input either a circuit breaker or fuse having a rating of 25 over the maximum AC input line currents listed in Table 2 1 WARNING To prevent an electrical shock hazard a safety ground wire must be connected from the safety ground stud on the rear panel to the AC mains ground CAUTION Under no condition should the negative output terminal exceed 300V to earth ground Floating the negative output terminal subjects the internal control circuitry of the power supply to the same potential as present at the negative output terminal In a unit with the standard Non Isolated Analog Interface the signals of control connector J1 would float at the same potential as the negative output terminal Damage might occur if the signals of the Non Isolated Analog control connector are connected to an external ground referenced device due to unintentional ground loop currents that this connection could generate To correct ground loop problems it is advised to use the optional Isolated Analog Interface in order to isolate the external signals from the internal control circuitry of the supply Refer to Section 1 2 2 of the specifications for additional information 2 8 M550221 01 Rev Y Sorensen SGI Series Installation Model Ratings Input Line Current A RMS AC Input Option 5 kW 10 kW 15 kW 20 kW 25 kW kW Code c ze zo 39 s 9 8
109. n input of 13 3 VDC Signal return is Pin J1 4 or Pin J1 20 VP RTN Circuit is electrically connected to the output power negative terminal See Section 3 11 Remote control input for current programming using a voltage source 0 5 VDC 0 100 of full scale output current Do not 5V Zin 10 exceed an input of 13 3 VDC Signal return is Pin J1 23 Pin J1 25 IP RTN Circuit is electrically connected to the output power negative terminal See Section 3 10 3 42 M550221 01 Rev Y REM OV ON OFF COM N Zout 100 Q 10 100 Sorensen SGI Series Operation Electrical Monitor signal for front panel current potentiometer setpoint 0 5 0 100 of full scale setpoint Minimum 11 ISET Zout 100 Q recommended load resistance is 100 Signal return 15 Pin J1 6 COM Circuit is electrically connected to the output power negative terminal Not Used 13 Isolated remote control input for output on off with a logic Zin 9000 in signal a logic high 5 VDC TTL CMOS signal will enable ISO Qu I Andde turn on the output of the supply and a logic low signal 14 disables turns off the output This control input is optically TTL CMOS of opto isolator LED isolated from the output power negative terminal of the power supply up to 500 VDC Signal return is Pin J1 2 ISO Section 3 13 Remote control input for voltage programming using a voltag
110. ng 3 47 3 11 1 Remote Voltage Programming by Resistance 3 47 3 11 2 Remote Voltage Programming by Voltage 3 48 3 12 Remote Overvoltage 4 1 111111 1 3 49 3 13 Remote Output On Off 2 2 2 2 3 50 3 13 1 Remote Output ON OFF by Contact 3 50 3 13 2 Remote Output ON OFF Control by External 3 50 9 T9 9 m molteohtutdowi S D dam 3 51 214 e III LIII 3 52 3 15 Floating and Polarized 3 55 3 16 Parallel and Series Operation 3 56 3405 Paralel Ru d cUm a EU 3 56 9162 m 3 58 SECTION 4 CALIBRATION AND VERIFICATION 4 1 EM eR 4 1 4 1 1 Calibration and Verification 4 1 4 1 2 Prepara UL 4 1 4 2 Calibration and Verification 4 2 4 2 1 Constant Current Mode xiii epu
111. nge the setting by pressing NavPad up down Press F1 to Cancel the change and 3 36 M550221 01 Rev Y Sorensen SGI Series Operation return to the Remote Menu screen or press F4 to Save the changed setting ETHERNET The Ethernet submenu F4 from the Remote Menu displays thernet Menu Cancel gy the Primary Pri Config and Secondary Sec Config Static IP Configuration Ethernet configurations both of which are editable It also provides further submenus to change the Server Listener Port and the Static IP address 4 The Primary configuration is attempted at power up and if it fails the system defaults to the Secondary configuration However both setting DHCP acquired and selecting Auto IP Enabled together in the Primary configuration prevents the power supply from trying the Secondary configuration Useful configurations are described as follows Pri Config STATIC IP Sec Config DHCP At power up the power supply will assign itself the configured static IP address If no other device is using the IP address the power supply continues with that static IP address If some other device is using that address the power supply will move to Secondary and attempt to acquire an IP address from a DHCP server repeatedly until it gets an address Pri Config STATIC Sec Config DHCP AUTOIP At power up the power supply will assign itself the static IP address If no other device is using
112. ns a dsz LYS HOLO3NNOO 95 d6 HO193NNOO 9 ans a de DIS YOLOANNOD t SATOH 98 0 STVNINYAL 1 1 5 0271 sISSVHO 2 BAO LNANI YOLOANNOD OV 1 NMOHS 1 QHVONVLS S310N 962 59 LZ 2 69 296 706 2566 2001 OP Figure 2 11 Rear Panel Standard 30 Models 40V 600V 2 23 M550221 01 Rev Y Sorensen SGI Series Installation N b Op 1294 64 6 002 1 892 Pw AS DO gt co NO e 00 61 9287 467 06 662 V92 768 9 Ov
113. nt that is suitably derated across the output of the power supply a fan might be required to cool the shunt Connect remote sense leads and ensure that the digital voltmeter that measures output voltage is connected across the sense leads M550221 01 Rev Y 4 1 Calibration and Verification Sorensen SGI Series 4 22 Calibration and Verification Procedures WARNING 7 N Hazardous voltages might be present on the output even after it is disabled due to stored capacitive charge Disconnect the AC mains input and allow 5 minutes to drain the output capacitive charge to safe levels before connecting or removing output wiring All calibration potentiometers are on circuit board assemblies located at the front of the chassis and adjustment of the potentiometers is made from the top of the chassis Refer to Figure 4 1 for the physical location of the potentiometers Some of the models will require partial removal of the top cover of the chassis to gain access to the potentiometers dependent on the type of chassis The 6U chassis units and earlier 3U chassis units have access holes in the top cover that allow adjustment of the calibration potentiometers without removing the top cover However if the Ethernet option is installed some of the potentiometers are covered by a ribbon cable To adjust those potentiometers the cover should be partially removed and slid towards the rear of the chassis just enough to expose the locat
114. nt back to zero 11 Turn the power supply off 12 If Constant Voltage mode operation did not function as indicated above verify the setup and perform the check again If the function continues to fail contact the factory for assistance 3 10 M550221 01 Rev Y Sorensen SGI Series Operation 3 2 4 Constant Current Mode Operation In Constant Current mode operation the output current is regulated at the selected value while the output voltage varies with the load requirements The current could be programmed either through the front panel or by the remote analog current programming input see Section 3 10 To verify operation in Constant Current mode follow these steps 1 If the output had been previously energized allow 5 minutes for the output capacitors to discharge Connect a high current DC 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 units maximum rated output current Note Verification that the supply could source rated output current without measuring the current with an ammeter but using only the front panel meter could be performed by shorting the outout terminals together 2 on the power supply 3 If the default power on state had been previously configured to be OFF when the supply reaches the Home menu Page 1 enable the output by pressing Output O
115. oduct 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 Outside the USA contact nearest Authorized Service Center ASC 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 2 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 M550221 01 Rev Y IV IMPORTANT SAFETY INSTRUCTIONS Before applying power to the system verify that your product is configured properly for your particular application WARNING Hazardous voltages might be present when covers are removed Qualified personnel must use extreme caution when servicing this equipment Circuitry test points and output voltages might be floating with respect to chassis ground Do not touch electrical circuits and use appropriately rated test equipment A safety ground wire must be connected from the chassis to the AC mains input when servicing this equipment WARNING This equipment contains ESD sensitive input output connection ports Whe
116. orensen 5 Series Overview 1 2 3 SGI Series Voltage and Current Specifications The following tables present the specifications for rated voltage and current and ripple noise for the 10V 1000V models 0 151 0 267 N A N A N A 0 250 N A 0 500 N A N A 0 167 N A 0 334 N A Rated Current ADC 10 kW 15 kW 20kW 25 kW 30 kW om orr 0250 oses Ces oz o oe Lom os ve os PK PK ripple noise over 20 Hz to 20 MHz bandwidth is measured across 1 UF capacitor at the end of a 6 load cable with the supply operating at full load and nominal AC line voltage 20 20 20 20 20 25 25 30 30 30 0 5 RMS ripple noise over 20 Hz to 300 kHz bandwidth is measured directly across the output terminals with the supply operating at full load and nominal AC input line voltage Power level not available in 60 models but could be produced with paralleled 30 units up to 75 could be produced by paralleling up to five power supplies Paralleling will increase ripple noise tt Models from 10V 30V are not available 6U chassis M550221 01 Rev Y 1 7 Overview Sorensen 5 Series 1 2 4 Physical Characteristics 3U Models 3U Models 6U Models 10V 30V 40V 1000V 60V 600V From inner surface of front panel to maximum protrusion of protective covers at rear Depth panel refer to installation drawings for chassis dimensions 28
117. press F1 to enter the Save menu Voltage Current and OVP values programmed in the Default Programming menu will be pulled into the Save menu top line upon reaching that menu In addition the present output condition output engaged or output disabled will be indicated Values pulled in from Default Volt Curr Out gt lon Programming Menu 0 0 0 0 110 0 Seve Save n Location PwrOnz Save 0 5 10 0 110 0 f Home Values currently saved in location EDIT VOLTAGE CURRENT AND OVP Toggle between the editable items using the NavPad and edit Voltage Current and OVP to appropriate values see Section 3 6 for editing details EDIT OUTPUT CONDITION Pressing NavPad up down will toggle the output condition indicator on to indicate the output will be enabled and off blank to indicate the output will be disabled M550221 01 Rev Y 3 23 Sorensen SGI Series Note Edits will not take effect until the configuration is saved SAVING A CONFIGURATION With the Editing Arrow adjacent to Save Location pressing NavPad up down allows the user to scroll through the list of memory locations PWR ON 1 9 LAST 0 1 Using configurations PWR ON and 1 9 Select the appropriate location and press F3 to save the configuration to that location The bottom line of the screen will update with the configuration information saved Using configuration LAST 0 1 press F1 to turn ON o
118. puts DC Output Studs Positive and negative outputs for 800 and 1000V models only Parallel Out connector of master unit for configuring 4 PAROUT parallel operation of units when connected to Parallel In connector of slave unit see Section 3 16 Parallel In connector of slave unit for configuring parallel 5 PAR IN operation of units when connected to Parallel Out connector of master unit see Section 3 16 Hemote Analog Interface connector J1 for programming and monitoring signals of output status indication and remote shutdown signals see Table 3 5 for individual pin descriptions Co Input connector J3 for remote sensing of voltage at the SENSE Connector load to compensate for line drop in load cables see Section 3 14 Input connector J3 for remote sensing of voltage at the HV SENSE Connector load to compensate for line drop in load cables 800V and 1000V models only see Section 3 14 RS 232 Connector 232 connector for remote digital control switch to configure the digital Configuration Switch interface of the unit T 7 External User Input Output connector for external auxiliary digital Connector control signals 1 ETHERNET Connector Ethernet connector for remote digital control Reset switch to return configuration parameters to 12 RESET Switch factory default settings must be depressed until LAN LED is blinking
119. r F2 to turn OFF and press F3 to save configuration Press F4 Escape or Menu key to exit to the Home Menu Page 1 at any time Note If setting LAST 1 The EEPROM that stores the Last Programmed Values Voltage Current OVP Output State Foldback Protection is limited to 100 000 Write Cycles SAVING TO PWR ON PWR is a unique Save Location If a configuration is saved to PWR location the next time the ON OFF front panel switch is cycled the SGI unit will power up into the state this configuration was saved If the Output Condition was saved as on which means power enabled a warning screen will be displayed at power up The user will have 10 seconds to press F1 and abort the operation If the count times out the supply output terminals will be live and programmed to the saved configuration values see Section 3 2 for Output Enabled Warning All other saved configuration locations must be recalled to become active see Section 3 8 3 3 8 3 Recall There are 10 memory locations as above PwrOn and 1 9 E S F Recan id 88 0 Recall 18 from which programmed output configuration of Voltage T 4 28 Current OVP Overvoltage Protection trip point and Output Condition can be recalled From Home Menu Page 1 press F2 to enter the Recall menu Using the NavPad up down arrows scroll through the list of saved configurations Recall a saved configuration by pressing the function
120. r 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 POSITIVE 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 CAUTION The negative output terminal be floated up to 300 PK maximum with respect to chassis ground Exceeding the limit will be detected as a fault by a protective supervisory monitor and shutdown of the output will be executed this condition will be latched requiring reset to resume normal operation CAUTION Floating the negative output terminal subjects the internal control circuitry of the power supply to the same potential as present at the negative output terminal In a unit with the standard Non Isolated Analog Interface the signals of control connector J1 would float at the same potential as the negative output terminal Damage might occur if the signals of the Non Isolated Analog control connector are connected to an e
121. rallel operation of units when connected to Parallel In connector of slave unit see Section 3 16 Parallel In connector of slave unit for configuring parallel 5 PAR IN operation of units when connected to Parallel Out connector of master unit see Section 3 16 Hemote Analog Interface connector J1 for ANALOG CONTROL programming and monitoring signals of output status indication and remote shutdown signals see Table 3 5 for individual pin descriptions Input connector J3 for remote sensing of voltage at the 7 SENSE Connector load to compensate for line drop in load cables see Section 3 14 Input connector J3 for remote sensing of voltage at the SENSE Connector load to compensate for line drop load cables 800V and 1000V models only see Section 3 14 232 Connector 232 connector for remote digital control EN m Eight position DIP switch to configure the digital ES Configuration Switch interface of the unit GPIB Connector GPIB connector for remote digital control Refer to Figure Figure 3 6 and Figure 3 9 Refer to the Programming Manual for details on the digital interface Table 3 3 Rear Panel Connectors and Controls GPIB Option M550221 01 Rev Y 3 7 Sorensen SGI Series Functional Description AC Input Connectors Connection for 3 phase AC AC Input Safety Ground Connection for safety ground wire DC Output Bus Bars Positive and negative out
122. ration Date To change the calibration date stored in memory issue the following SCPI commands see SG Series Programming Manual for command details through the remote digital interface either RS 232 GPIB or Ethernet VIA RS232 OR GPIB CAL UNLOCK 6867 CAL DATE YYYYMMDD CAL STORE CAL LOCK VIA ETHERNET CAL UNLOCK 6867 CAL MOD LASTCALDATE MM DD YYYY CAL MOD NEXTCALDATE MM DD YYYY CAL STORE CAL LOCK M550221 01 Rev Y 4 7 Calibration and Verification Standard Calibration Adjustments R35 VPRES 1 mA Adjust R33 IPRES 1 mA Adjust R74 Full Scale Voltage Adjust R90 Zero Voltage Adjust R69 Full Scale Current Adjust R55 Zero Current Adjust Factory Use Only R37 R45 R54 R71 R82 R86 Sorensen SGI Series Isolated Analog Option Calibration Adjustments R39 Full Scale Voltage Adjust R35 Zero Voltage Adjust R33 Full Scale Current Adjust R47 Zero Current Adjust Top Front of Unit R82R45 R71R46 R54R37 R39 R35 R33 R47 02 02 R74 R90 R69 R86 R73 R104 R55 Top view of potentiometers as located on internal circuit boards Figure 4 1 Potentiometer Locations 4 8 M550221 01 Rev Y SECTION 5 5 1 Introduction This chapter contains preventive maintenance information for the SGI Series power supplies WARNING All maintenance that requires removal of the cover of the unit should only be done by prope
123. re designed for mounting in a standard 19 inch equipment rack compliant to EIA 310 If additional instrumentation is mounted in the rack no additional clearance is required above or below the SGA Series units Support the SGI Series unit using appropriate L brackets or rack mount slides suggested slides kits are listed as follows Rack Mount Slide Kit Option 3U models 4 15 kW AMETEK part number K550212 01 60 models 20 30 kW AMETEK part number K550213 01 M550221 01 Rev Y 2 3 Sorensen SGI Series Installation o gt 77 999 99 9929 5 92 MA m S aA TSA E ZAL On gt TRE x FO NN lt 2 RIGHT PPER RIENTATION 5 EAR o oooooooocoococoooo oo 0 Y 2 3 2 K550212 01 ASSEMBLY STEPS OPTION KIT RIENTATION SPRING Figure 2 1 Rack Mount Assembly for 3U Models M550221 01 Rev Y 2 4 Sorensen SGI Series Installation WARNING A A minimum two person lift is required for the SGA Series power supply which weighs up to 110 Ib 50 kg d
124. ries 96 LL 666 00 61 9097 2 27 lr o_o D M D GB ecteSu 25 oooo0 a LAG 00090000 1 90002 wa D S C mei b 0 6 IS c 89 082 CM 9 46 YO LOANNOD 9 gns a 6 LS 40193NNOO t S3IOH 0 STVNINYAL 1 1 an
125. rly trained and qualified personnel Hazardous voltages exist inside the unit Disconnect the supply from the AC mains input before performing any maintenance Service fuse verification and connecting of wiring to the chassis must be accomplished at least 5 minutes after AC input power has been removed with an external disconnect switch Do not touch any circuits and or terminals that are energized 5 2 Preventive Maintenance WARNING The OFF position of the front panel power switch does not remove AC input from internal circuits or input terminal blocks Disconnect external AC input before servicing unit CAUTION For safe and continued operation of the SGI Series always operate the unit in a temperature and humidity controlled indoor area Exposure to conductive contaminants or corrosive compounds gases that could be ingested into the chassis could result in internal damage Keep the rear and sides of the unit free of obstructions to ensure proper ventilation M550221 01 Rev Y 5 1 Calibration and Verification Sorensen SGI Series No routine maintenance on the SGI Series is required aside from periodic cleaning of the unit and inspection as required by the environmental operating conditions e Once a unit is removed from service vacuum all air vents including the front panel grill e Clean the exterior with a mild solution of detergent and water Apply the solution onto a soft cloth not directly to the s
126. s If the output is enabled the output terminals will Live Update with the programmed changes e Scrolling through option lists Pressing the NavPad up or down incrementally scrolls through the listed items available and Live Update selects the item being displayed Option lists wrap around from top to bottom pressing NavPad down and bottom to top pressing NavPad up Menu Enter Enter is used to accept a value edited or entered using Keypad 0 9 When Enter is pressed the value edited is programmed into 3 16 M550221 01 Rev Y Sorensen SGI Series Operation memory and the Editing Arrow moves to the next editable item If the output is enabled the programmed value takes effect on the output terminals immediately after Enter is pressed e Menu is not used to edit Keypad 0 9 Keypad 0 9 is used to program numeric values into editable items using single digit entry Enter must be pressed to program the edited value into memory The decimal key is for future implementation e fthe editing arrow is displayed pressing Keypad 0 9 will activate the editable item to the left of the Editing Arrow and display the number s pressed As the first number is input the display begins with the least significant position first and shifts left as additional numbers are pressed see Example below Once the user starts to input a value the Editing Arrow will begin to blink a blinking Edit Arrow indicates th
127. s 10V and maximum voltage of the supply is 100V then V PK PK 10 Verify that the frequency and V PK PK do not exceed the values below ____ V PK PK 5 100Hz 150Hz 1 67 200Hz 1 25 Another consideration is the actual rise and fall capabilities of the output of the supply Although damage will not occur the shape of the output waveform will be affected by the rise fall times in relation to programmed sequence settings These vary widely depending on the load conditions contact the factory for further information Note Contact the factory for detailed information if the desired waveform exceeds the recommended limits as discussed To change the test sequence use the NavPad up down to scroll through the test list From this menu the user may Start F1 Single Step F2 Program F3 or Delete F4 a sequence START press F1 from the main Sequence Menu to start and run a test sequence he display will show the test sequence name and step number e g 5 01 12 Sequence TESTO 1 step 12 It will also indicate the current operation being executed see Section 3 8 4 3 Operations and will display voltage current OVP power and time remaining for that step The time format is hhhh mm ss sss last three digits are milliseconds User may pause or stop the test at any time by pressing either F3 to pause or F4 to stop the sequence The output will pause or stop in the same state as the t
128. s is at full extension the flat springs are located behind the front rack rails Retract the springs with a flat blade screwdriver or similar device to release from lock out or to remove the chassis from the rack M550221 01 Rev Y 2 7 Installation Sorensen SGI Series 2 4 Input Output Connections Refer to Table 2 1 for AC input current requirements and Section 1 2 3 for output current specifications Table 2 3 provides information on the external input and output connections for the SGI Series models Table 2 4 provides input connections descriptions and Table 2 5 provides output connection descriptions Refer to Table 2 6 for input output lug recommendations The recommended tools for crimping and extraction of the sense connector pins are listed below in Table 2 7 WARNING High voltage present at rear panel Risk of electrical shock Do not remove protective covers on AC input or DC output Refer to qualified service personnel WARNING The input and output voltages at the rear panel of the unit might be HAZARDOUS LIVE When rack mounting or panel mounting the unit suitable safeguards must be taken by the installer to ensure that HAZARDOUS LIVE voltages are not OPERATOR accessible OPERATOR access should only be to the front panel of the unit WARNING A safety disconnect device for the AC mains input must be installed so that it is readily accessible to the user WARNING A properly sized input overcurrent protectio
129. t voltage from an initial or start value MESI CopyStep Vi to a final or stop value Vf over the time period ov do specified Internally the unit uses Vi Vf and the time to 0 04 0 00 00 000 Delete calculate an appropriate ramp function to drive the output during the test step Use the NavPad to set the OVP initial Voltage Vi final Voltage Vf Current limit and duration Ramp l Ramp Current This operation allows the user TESTOO 1 CopyStepey to ramp the output current from an initial or start value Ramp 12 0 0V PasteStp Fy 1 to a final or stop value If over the time period specified Use the NavPad to set the OVP initial Current li final Current If Voltage limit and duration CP Mode Constant Power Mode This operation is similar to the V I Mode except it sets the supply in constant power mode See Section 3 8 5 Use the NavPad to input values for OVP Voltage limit Current limit Constant Power setting and duration M550221 01 Rev Y 3 29 3 30 Repeat This operation returns to the beginning of the test cycle this could be a prior test sequence or the beginning of the current test sequence depending on the number of branches and subcalls used in the affected sequences and repeats all previously executed steps a single time Once executed the sequence continues to execute all rema
130. table items and input values for each setting as appropriate see oection 3 6 Editing 3 28 M550221 01 Rev Y Sorensen SGI Series Operation 2 After programming a step navigate to the step number location on the screen and scroll to the next step number to be programmed 3 Once at the next step number to be programmed start again by choosing an operation for that step and continue as described above 4 At the end of the sequence or to abort the sequence press either the Escape key or Menu to jump to the Save screen F1 Yes saves the sequence in non volatile memory and returns to main Sequence Menu F4 No will retain the current changes only until the power supply is turned off The next power on restores the sequence to 15 previous condition The following are descriptions for each sequence operation NOP No Operation Used as a placeholder in the test TESTOO 1 CopyStep sequence no values are changed during this step and it Pastestp does not add time to the sequence Mode Voltage Current Mode This operation sets the voltage current and OVP to the programmed values TESTOO 1 CopyStep ey V Modes OVP 0 0 PasteStp ez for the set period of time during the sequence step ONT 0 Navigate to each editable item to input values for 0 00 00 000 Delete Voltage Current Overvoltage Protection and duration Ramp V Ramp Voltage This operation allows the user to ramp the outpu
131. tage as follows Vout 100 rated output voltage 5 VDC with Vdc in volts or Vout 100 rated output voltage 10 VDC with Vdc in volts Note The return terminal VP RTN must be referenced directly to or within 3 V of the circuit common Pins J1 6 and J1 24 See Figure 3 17 connection requirements 1 25 45 VP 10V COM 6 20 VP RTN VP5V 9 m 1 0 10 VDC 0 5VDC 13 p VOLTAGE VOLTAGE SOURCE SOURCE m Figure 3 17 Remote Voltage Programming Using 0 5 VDC or 0 10 VDC Source 3 48 M550221 01 Rev Y Sorensen SGI Series Operation 3 12 Remote Overvoltage Programming CAUTION Do not program the remote overvoltage setpoint greater than 10 above the power supply rated voltage 5 5 VDC programming voltage source as internal power supply damage might occur except reset see note below Remote Overvoltage Protection OVP programming is summed with the front panel or remote digital setting see Section 3 9 A remote DC voltage source can be connected externally between Pins J1 3 REM OV SET and J1 6 COM 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 Note To reset an OVP apply 10 5 13 3 VDC signal to Pin J1 3 for a minimum of 7 5 d LL REMOVSET 3
132. tails CAUTION The Remote Isolated Analog Interface option is not intended to allow operation of the power supply at excessive voltages Operation of Isolated Analog Interface signals should be at SELV safety voltage conditions to chassis ground Refer to Section 1 2 2 for maximum terminal voltages 0000000000 0 0 25 14 Figure 3 13 Analog Control Connector J1 Pin Out M550221 01 Rev Y 3 41 Operation Sorensen SGI Series Electrical Reference Functional Description Isolated remote control input for output on off with an applied AC DC voltage source A positive 6 120 VDC or an AC input of 12 240 VAC will enable turn on the output of the supply This control input is optically isolated from the output power negative terminal of the power supply up to 500 VDC Signal return is Pin J1 2 ISO RTN See Section 3 13 Zin 6 in series with anode ON OFF of opto isolator LED Zin 20 Isolated signal return for on off control using Pins J1 1 and J1 14 Optically isolated from the output power negative terminal of the power supply up to 500 VDC ISO RTN Control input for remote programming of the overvoltage protection 0 25 5 5 VDC 5 110 of full scale output voltage Reset of an OVP condition is possible by applying an 10 5 13 3 VDC signal for 7 seconds Signal return is Pin J1 6 COM Circuit is electrically connected to the output power negative terminal See
133. te y CopyStep Fy PasteStp Ey Insert 62 Delete CopyStep Fy PasteStp Fy Insert Delete Fa Sorensen SGI Series 3 8 Constant Power Setup Menu See Section 3 8 5 for details Constant Power Setup _ Voltage Limit 0 072 Current Limit 0 0A Power Limit 0 0kW Execute ES Home 3 9 Remote Menu Limits Actual 9 9V 49 9A 0 50kWS 10 7V 46 3A Exit Parte Power Exit Cancel ey Set Vo Set Curr 0 0A Set OVP 88 0V Vil Mode Constant Power Edit Voltage Limit 0 072 Current Limit O 0A Update gy Power Limit O OkW Exit Pwr mM Operation Remote menu is either GPIB or Ethernet option The submenus for Ethernet are mapped here there are no submenus for the GPIB Remote screen see Section 3 8 11 for details ETHERNET The Ethernet Remote Menu provides submenus for LXI Settings F3 and Ethernet Menu F4 The Ethernet Menu provides submenus for Server Port F3 and Static IP Configuration F4 See Section 3 8 11 for details Settings Cancel Response m 1 identification Menu Home ry LMI A Baud Rete 192002 Ethernet 8 Ethernet Menu Cancel Fy Pri contig Config DHCP AUTOIP Static IP Configuration M550221 01 Rev Y Por tg SERVER PORT __ Back fy Server Listener Port 92212 1925168 4 123 256 256 256 0 192 168 4 10 0 0 0 0 Ba
134. ter the main Sequence Menu Use the NavPad up down to select the sequence Test ID labeled TESTO Press F4 Del Test to reset all steps in TESTO1 to a NOP condition This establishes a known state for this sequence Press F3 to enter the Sequence Step menu Step 1 Ramp the output voltage from 0 V to 20 1 s period From the Sequence Step menu use the NavPad to set the test step to the first step TESTO1 1 Use the NavPad to set the operation to Ramp V mode Set OVP to an appropriately high level 60 V for this example Vi to O V Vf to 20 V and current to a nominal 10 A for this example we assume there is no load or a very light load connected to the output Set the time duration to 1 s or 0 00 01 000 Once these values are set press the F1 key to copy this setup into the copy buffer for later use Step 2 Hold the voltage at 20 V for 2 s Use the NavPad to change to the next step TESTO1 2 Select the V I Mode operation and set the OVP to 60 V voltage to 20 V current to 10 A and time duration to 2 s Step 3 the voltage from 20 V to 40 V over a 500 ms period Use the NavPad to change to the next step TESTO1 3 Use the F2 key to paste in a copy of the previously saved Ramp V step Make changes to this step by changing Vi to 20 V Vf to 40 V and the time duration to 500 ms 0 00 00 500 Step 4 Hold the voltage at 40 V for 2 5 s Use the NavPad to change to the next step TESTO1 4 Select
135. the V I Mode operation and set the OVP to 60 V voltage to 40 V current to 10 A and time duration to 2 5 s Step 5 the voltage from 40 V to 0 V over a 2 s period Use the NavPad to change to the next step TESTO1 5 Use the F2 key to paste in a copy of the previously saved Ramp V step Make changes to this step by changing Vi to 40 V Vf to 0 V and the time duration to 2 s Step 6 Hold the voltage at V for M550221 01 Rev Y Sorensen SGI Series Operation Use the NavPad to change to the next step TEST01 6 Select the Mode operation and set the OVP to 60 V voltage to 0 V current to 10 A and time duration to 2 s Step 7 Go to sequence 2 Use the NavPad to change to the next step TESTO1 7 Select the Goto operation and set the next step to TESTO2 Press the ESC or Menu key to move to the Save Sequence screen and press F1 for Yes Sequence 2 On Off Loop From the Home Menu Page 1 select F3 to enter the main Sequence Menu Use the Navigation arrows to select the sequence labeled TESTO2 Press F4 Del Test to reset all steps in TESTO2 to a NOP condition Press F3 to enter the Sequence Step menu Step 1 Begin a loop and set the count to 5 Use the NavPad to change to the first step TESTO2 1 Select the Loop operation and set the count to 5 Step 2 Turn on the voltage to 40 V for 2 s Use the NavPad to change to the next step TESTO2 2 Select the Mode operation and set the OVP to 6
136. the output 2 Ensure that the remote sense is connected to the output terminals 3 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 4 Apply power to the AC mains input and turn on the power supply 5 If the default power on state had previously been configured to be OFF when the supply reaches the Home menu Page 1 enable the output by pressing Output On Off Voltage vots 6 Enter the Default Programming menu by pressing either of the Current voltage current or overvoltage front panel keys Overvolt 7 Program the Current to 10 of rated output this programs the current above zero to enable supplying output current while in the constant voltage mode See Section 3 8 1 for more details on programming 8 Navigate to Voltage programming With the Editing Arrow adjacent to Set Volt press and hold the NavPad up arrow and observe both the front panel voltage display and the output of the DVM begin to accelerate up The output voltage should increase from 0 V to the maximum rated voltage of the supply The front panel display and DVM readings should track within the accuracies of the meter and the front panel display 9 Verify the front panel Constant Voltage Mode indicator is on 10 Program the Voltage and Curre
137. the quality of power delivered to and from instruments and corresponding loads When specifying wire gauge consider derating due to operating temperature at the wire location 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 loss directly detracts from the quality performance specifications of this SG power supply 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 accommodate peak currents developed at peak voltages which might be up to ten times the average current values An underrated wire gauge adds losses which alter the inrush characteristics of the application and thus the expected performance Table 2 9 presents wire resistance and resulting cable voltage drop at maximum rated current with the wire at 20 Copper
138. tions From this submenu the user may copy F1 paste F2 insert F3 or delete F4 a test step CopyStep F1 copies the current step characteristics into a buffer for later recall using the PasteStp F2 function PasteStp F2 pastes the current characteristics from the copy buffer into the existing test step Insert F3 inserts a new step before the currently displayed test step The default operation in the new step is set to NOP Delete F4 deletes the current test step from the test sequence and inserts NOP into step 20 of the sequence DEL TEST press F4 from the main Sequence Menu to delete the entire currently selected test sequence If Del uds Yes 8 Test is selected warning screen will appear prompting the user to either confirm Yes F1 or cancel No F4 the delete action Deleting a test actually fills each test step in the sequence with a NOP see Section 3 8 4 3 and fills Step 21 with STOP operation No 5 When programming test sequence see Section 3 8 4 2 each step operation can be any one of thirteen different functions To access those functions from Home Menu Page 1 press F3 see Menu Map Sections 3 7 2 3 7 5 and 3 7 6 and use the NavPad to scroll through the various step operations see Section 3 5 Navigation while in the oequence Step Programming submenu 1 Once an operation has been selected for the present step navigate to the edi
139. trol Designation Ll Modifications Analog Intelligent Voltage Process Options 4 15 kW z X 20 30 kW Remote Control Options Current Input Voltage Options For units up to 999 V 999 A voltage and current are represented in numeric format e g 100 represents 100 V For units at 1000 V 1000 A and above the voltage and current are represented by the format xKx e g 1 0 represents 1000 V Option Control Options A Analog I Intelligent Input Options C Input Voltage 208 230 VAC 3 Phase D Input Voltage 380 400 VAC 3 Phase E Input Voltage 440 480 VAC 3 Phase Remote Control No Option Options IEEE 488 2 RS 232C 1C Ethernet RS 232C 1D Isolated Analog Interface 1E Shaft Locks 2A Combined Options 1A 1D 2C Combined Options 1A 1E SGA Only 2G Combined Options 1C 1D 2H Combined Options 1C 1E SGA Only 2J Combined Options 1D 1E SGA Only 3C Combined Options 1 10 SGA Only 3G Combined Options 1C 1D SGA Only Process Options AA No option AB Certificate of Calibration includes test data Modifications AJ Front panel dust filter 30 models only CV 400Hz AC input at 208 VAC for 6U units only does not carry CE CSA or UL certification standard in 3U models PF Passive power factor correction to 0 9 for 40V to 800V models standard in 10V 30V 50V and 1000V models Figure 1 1 Model Number Decoding 1 2 M5502
140. tween editable items within a menu o Navigation Arrow is displayed at the top and or bottom of a screen AN 77 pressing up down on the NavPad allows the user to move between pages within a menu o Ifthe Editing 9 Arrow is displayed pressing left right on the NavPad allows the user to move between editable items within a menu If a screen has only one editable item left right arrow has no effect See Editing Section 3 6 Menu Menu Enter Pressing Menu from any submenu jumps the display directly to the Home Menu Page 1 except in sequence or power mode see note below Enter Pressing Enter moves the editing arrow to the next editable item in the menu similar to the right arrow on the NavPad V I OVP Prog Pressing the Voltage Current or Overvolt programming key displays the Default Programming menu with the editing arrow at the corresponding function in that menu see note below Note Menu key and the Voltage Current and Overvolt programming keys do not function while running a sequence paused in a sequence in sequence single step mode or running in power mode M550221 01 Rev Y 3 15 Operation Sorensen SGI Series 3 6 Editing WARNING While Output is enabled the editable being programmed Voltage Current Overvoltage or Power is Live Updated and takes effect on the output terminals immediately The primary keys used to edit are ES
141. u press F3 Sequence Menu from Home Menu Page 1 From here any one of 50 wi sequences may be selected The default names for TESTO1T Programey Del Test fa sequences are TESTxx where xx is a number from 01 to 50 Using SCPI commands via the RS 232 IEEE 488 or Ethernet interface the user may rename these test sequences with meaningful names of up to 15 characters see SG Series Programming Manual Note DO NOT use non sequence related SCPI commands while performing sequence operations Note DO NOT use sequence SCPI commands as stand alone commands outside a sequence CAUTION RESTRICTIONS ON SEQUENCE PROGRAMMING In order to allow maximum flexibility for generating small incremental changes during a test sequence the SGI allows 1 ms time resolution on each step With this capability however it is possible to create output changes with fast slew rates that could generate potentially damaging large currents in the output capacitors of the unit refer to the guideline M550221 01 Rev Y 3 25 Operation Sorensen SGI Series note below 3 26 M550221 01 Rev Y Sorensen SGI Series Operation Note When creating test sequences use the following guidelines to prevent damage to the unit Estimate the AC frequency and peak to peak voltage of the desired test sequence Convert the estimated to a of maximum output voltage e g If i
142. urface of the unit To prevent damage to materials do not use aromatic hydrocarbons or chlorinated solvents for cleaning e Check external connections for integrity of insulation loose contacts and proper torque e lf there is any evidence of short circuits or arcing overheating or corrosion contact the factory for recommended service 5 2 M550221 01 Rev Sorensen SGI Series Calibration and Verification 5 3 Fuses There are no user replaceable components in the power supply Internal fuses are listed in Table 5 1 Fuses are sized for fault isolation and an open fuse might indicate that a circuit component has been damaged Contact the factory for further assistance CAUTION To reduce the risk of fire or electrical shock replace fuses only with the same type and rating Manufacturer Assembly Reference Part No Bias Supply PWA F1 F2 F3 5 A 600V Littelfuse KLK 5 Power Module Connor CORSA F1 F2 30 A 600V Littelfuse KLK 30 Table 5 1 Fuse Ratings M550221 01 Rev Y 5 3 Calibration and Verification Sorensen SGI Series This page intentionally left blank 5 4 M550221 01 Rev AC Input Connector 30 2 12 Screw Torque 2 12 Agency Approvals 1 3 Analog Control Connector J1 3 40 Isolated Analog Voltage 3 41 J1 Connector Pin Out 3 41 Return Connection 3 41 C Calibration and Verification Remote Isolated Analog Option 4 5 Calibration and Verification 4 1 4 2 Calibr
143. ut On Off Using Isolated TTL CMOS 3 51 Figure 3 22 Remote Shutdown Using DC Voltage Source 3 51 M550221 01 Rev Y xiii Contents Sorensen SGI Series XIV Figure 3 23 Remote Voltage Sensing Network 3 52 Figure 3 24 Remote Sense Connection at the Load 10V 800V Models 3 53 Figure 3 25 Remote Sense Connection at the Load 1000V 3 54 Figure 3 26 Parallel Connection and Remote 3 57 Figure 4 1 Potentiometer 4 8 M550221 01 Rev Y SECTION 1 OVERVIEW 1 1 General Description The Sorensen SGI Series are general purpose power supplies designed specifically for laboratory test and systems applications requiring programmable DC sources with good performance characteristics such as accuracy regulation and ripple noise 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 or isolated remote analog control Refer to Figure 1 1 for decoding of the SG Series model number M550221 01 Rev Y 1 1 Overview Sorensen 5 Series SG 100 X 100 C 1 AA AJ Con
144. utput current Disable AC power to the unit setup SGI series unit to operate with remote voltage programming using resistance by connecting a 5 kO 0 196 or better tolerance resistor as shown in Figure 3 16 in Section 3 11 Ensure that Pins J1 5 and J1 6 are jumpered to enable the output Apply AC power turn the unit on and press Output On button to enable the output see Section 3 1 1 Adjust R33 so that the measured output voltage equals 100 rated output voltage M550221 01 Rev Y Sorensen SGI Series Calibration and Verification 11 Turn off AC power and remove all connections to the remote analog control connector J1 except the jumper between Pins J1 5 and J1 6 ensure that they are jumpered to enable the output and allow front panel control 4 2 4 Change Calibration Date To change the calibration date stored in memory issue the following SCPI commands see SG Series Programming Manual for command details through the remote digital interface either RS 232 GPIB or Ethernet VIA RS 232 OR GPIB CAL UNLOCK 6867 CAL DATE YYYYMMDD CAL STORE CAL LOCK VIA ETHERNET CAL UNLOCK 6867 CAL MOD LASTCALDATE MM DD YYYY CAL MOD NEXTCALDATE MM DD YYYY CAL STORE CAL LOCK 4 3 Remote Isolated Analog Interface Option Calibration and Verification Procedures 9 CAUTION Hazardous voltages may be present on the output even after it is disabled due to stored capacitive charge Disconnect the mains
145. ve unit for configuring parallel PAR IN operation of units when connected to Parallel Out connector of master unit see Section 3 16 programming and monitoring signals of output status indication and remote shutdown signals see Table 3 5 for individual pin descriptions ANALOG CONTROL Input connector J3 for remote sensing of voltage at the SENSE Connector load to compensate for line drop in load cables see Section 3 14 Input connector J3 for remote sensing of voltage at the SENSE Connector load to compensate for line drop load cables 800V and 1000V models only see Section 3 14 E RS 232 Connector 232 connector for remote digital control m Eight position DIP switch to configure the digital Configuration Switch interface of the unit Refer to Figure 3 2 Figure 3 5 and Figure 3 8Error Reference source not found t Refer to the Programming Manual for details on the digital interface Hemote Analog Interface connector J1 for Table 3 2 Rear Panel Connectors and Controls Standard 3 6 M550221 01 Rev Y Sorensen SGI Series Operation 1 AC Input Connectors Connection for 3 phase AC AC Input Safety Ground Connection for safety ground wire DC Output Bus Bars Positive and negative outputs Positive and negative outputs for 800 and HV DC Output Studs 1000V models only Parallel Out connector of master unit for configuring 4 PAROUT pa
146. wire has a temperature coefficient of a 0 003930 at t1 20 C so that at an elevated temperature 12 the resistance would be R2 H1 1 a t2 t1 2 12 M550221 01 Rev Y Sorensen SGI Series Installation s 4 s 22 ems s s 17 9e 34 we 13 s 12 e mo Table 2 9 Wire Resistance and Voltage Drop 20 M550221 01 Rev Y 2 13 Installation Sorensen SGl Series 2 6 LOAD CONSIDERATIONS This section provides guidelines for incorporating protective diode networks at the output of the power supply to prevent damage while driving inductive loads or loads having stored energy that could be circulated back to the power supply 2 6 1 Inductive and Stored Energy Loads To prevent damage to the power supply from inductive voltage kickback connect an anti parallel 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 might occur or stored energy is present such as a battery a second blocking diode in series with the output is recommended to protect the power supply BLOCKING AND ANTI PARALLEL DIODES Ensure that the chosen components are suitably rated for th
147. xternal ground referenced device due to unintentional ground loop currents that this connection could generate To correct ground loop problems it is advised to use the optional Isolated Analog Interface in order to isolate the external signals from the internal control circuitry of the supply Refer to the Section 1 2 2 for additional information M550221 01 Rev Y 3 55 Sorensen SGI Series 3 16 Parallel and Series Operation Parallel and series 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 current or voltage up to five supplies could be connected in parallel or up to two supplies could be connected in series 3 16 1 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 26 There are two separate 9 pin connectors on the upper left rear panel of each power supply marked PAR OUT and PAR IN 1 Programming readback and control is performed through the Master 2 Beginning with the power supply that is to function as the Master use 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 the second power supply Slave 1 use another interface cab

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