USER`S MANUAL MODEL: 5971-160 Current
Contents
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4. Time GM W LABORATORY ELECTROMAGNET SYSTEMS WARRANTY DECEMBER 2010 GMW Associates warrants that all Electromagnets Laboratory Electromagnet Systems and Electromagnet System Components supplied by GMW Associates will be free of defects in materials or workmanship for a period of 12 months from the date of installation or 15 months from the date of shipment whichever is the shorter Within this period GMW Associates will repair or replace defective parts free of charge either at the end user s site or at GMW Associates location at GMW choice GMW Associates will reimburse or pay the lowest two way freight charges on items returned to GMW Associates or our authorized agent provided prior authorization for shipment has been given by GMW Associates This warranty shall not apply to any equipment which our inspection shows to have become defective due to mishandling misuse improper maintenance or any other damage not generally acceptable for equipment of a similar type GMW Associates reserves the right to make changes in product or system design without incurring any obligation to modify previously delivered equipment The foregoing is the full extent of the GMW Associates warranty No other warranty is expressed or implied In no event shall GMW Associates be liable for damage arising from late delivery or misuse of the equipment GMW Associates makes no warranty of the fitness of the equipment for the intended end use other than the
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6. 2 3 Interlocks The 5971 160 Reversal Switch has interlock connections between the DC Power Supply and the Electromagnet load The interlocks must be connected for proper system functioning and protection of the equipment facility and to protect against personal injury Attempting to operate the system with the interlocks defeated is not recommended and will void the warranty Section 2 SPECIFICATIONS Table 1 Model 5971 160 Current Reversal Switch Specifications Electrical Power Input From DC Supply 160A maximum Recommended DC Power Supplies Sorensen DLM40 75E Sorensen SGA 60 83 60V 83A Sorensen SGA 100 150 100V 150A Sorensen SGA 160 31 160V 31A Sorensen SGA 160 62 160V 62A Sorensen SGA 160 156 160V 156A Sorensen SGA 200 75 200V 75A Power Input Aux Power Supply 115 220VAC 50 60Hz 2A Note While the power input module has a selectable voltage range it is not necessary to select the range for any voltage between 115 220VAC Power Output 200V 160A maximum Switch Voltage Drop at 20 C lt 440mV at 150A Switch Resistance at 150A at 20 C lt Amt Control Modes Computer Control National Instruments Multifunction DAQ Model USB 6251 Current Control Resolution 16 bits Current amp Voltage Monitor Resolution 16 bits Digital read back of amplifier and magnet interlock status Magnetic field read back resolution 16 bits Manual Control Manual control of the DC current via the DC Power Supply s front
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9. Power Supply P83C 100150 Serial No 0250A00730 Magnet Model 3473 Serial No 153 Pole 100mm Gap 25mm Field Meter Senis YM12 5 5 5T Serial No 24 07 Note Set Current 70A Timed Switching every 30 seconds Current A Voltage V Field T 150 2 5 125 i d 100 i i 15 75 t y H1 50 t d v D 0 5 8 25 E s 0 H E S y S ic i 2 L 0 5 sl L 45 100 i il e EN EA UNE ee See Se IN NR ses 125 150 2 5 14 52 46 877 14 52 55 517 14 53 04 157 14 53 12 797 14 53 21 437 14 53 30 077 14 53 38 717 14 53 47 357 Time GMW Associates 5971 160 Reversing Switch Performance Plot Contract No 9625 Page 1 of 1 Date 7 Dec 2010 Customer Army Research Lab Engr M Duffy 5971 160 Serial No 02 Power Supply P83C 100150 Serial No 0250A00730 Magnet Model 5403 Serial No 352 Pole 76mm Gap 54mm Field Meter Senis YM12 5 5 5T Serial No 24 07 Note Set Current 50A Timed Switching every 30 seconds Current A Voltage V scess Field T 80 1 60 0 8 1 own ere 6 40 0 4 20 So 0 2 5 7 s 3 O0 0 E 3 a 5 L 0 2 O 20 i s i 0 4 40 arc ir Mb 60 y L os 80 f 10 59 44 160 10 59 52 800 11 00 01 440 11 00 10 080 11 00 18 720 11 00 27 360
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15. panel controls Manual control of the current polarity via the Current Reversal Switch s front panel controls Computer Control with external Analog Current Programming Input National Instruments Multifunction DAQ Model USB 6251 Current amp Voltage Monitor Resolution 16 bits Digital read back of amplifier and magnet interlock status Magnetic field read back resolution 16 bits User provided 0 10 volt analog control Current Control Programming Voltage 0 10 volt analog Note 1 The Current output control may be via either the USB interface or the external analog input but not both Mechanical 5971 160 Current Reversal Switch Form Factor 2U rack mount fully enclosed chassis Overall Dimensions 482mm 19 wide x 88 1mm 3 5 high x 507mm 20 deep Weight 15 75 kg 35lbs 5971 160 Current Reversal Switch amp SGA Power Supply in Optima Rack Overall Dimensions 560 5 22 wide x 1 058 41 6 high x 823 32 4 deep Weight with Sorensen SGA 60 83 105 75kg 235lbs Weight with Sorensen SGA 100 150 115kg 250lbs Section 3 INSTALLATION Caution In many cases the Reversal Switch and DC Power Supply will be pre installed by GMW into a 19 EIA equipment rack If it is not care should be taken during rack mounting to avoid personal injury or damage to the equipment 3 1 Unpacking Instructions and Damage Inspection 3 1 1 Systems Shipped with a GMW Supplied Rack 1 Remove all eight of the lag bolts located at the lower
16. will be presented This screen provides control of current and polarity and monitoring of the DC Power Supply s output voltage and current It also provides status read back of the Reversal Switch and Electromagnet interlock status It is important to note that when operating remotely the DC Power Supply front panel controls be set as follows Voltage to Maximum Current to zero If this is not done the DC Power Supply will be voltage limited and full output current may not be achieved 5 2 4 Local Remote The Reversal Switch software defaults to local operation In order to control the Reversal Switch it must first be placed into the Remote mode This is done by clicking on the Local Remote Control This control will change its state depending on what mode it is in The two states are Local The control is green and displays the legend Push for Remote Remote The control is yellow and displays the legend Push for Local Selecting Local or Remote GM W Associates a E om 5971 160 Reversing Switch re MA Software Date Dec 2 2010 STATUS Current amp Voltage pu CONTROL Set Current A 50 160 7 17 26 04 12 18 04 29 21 Enable Timer Switching Interval 30 Current 8 6 Voltage 4 1 Logfile Output essing Remark Switching Performance Test Log File Name Sample Interval ms 5 2 5 Setting the output curren
17. 1 0 2 Voltage 0 1 Remark Switching Performance Test Sample Interval ms sustento 10 Section 6 MAINTENANCE The 5971 160 Current Reversal Switch should operate for many years without any trouble provided that the following basic maintenance points are observed Always remember that the AC power should be disconnected before performing any maintenance procedure The 5971 160 may generate lethal voltages and must not be operated with damaged components protective covers or cable insulation For more information please refer to Section 2 Warnings 1 Electrical Connections Ensure that all electrical connections are clean and tight Ensure that the insulation of all electrical cables is undamaged and repair or replace if necessary All electrical termination covers must be in place and firmly secured A corroded and or loose high current connection will cause a voltage drop across the connection A drop of 0 1V at 160A results in 16W being dissipated at the connection The connection will increase in temperature which will result in oxidation or the connection a higher resistance and a further increase in power dissipation If this situation is left uncorrected the cable and Reversal Switch insulation will melt and possibly the copper connections will melt as well Not only will the Reversal Switch and nearby equipment be damaged but there is the possibility for fire 2 Warning Labels Ensure that all protective c
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21. GMW USER S MANUAL MODEL 5971 160 Current Reversal Switch PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL INFORMATION PROPRIETARY TO GMW ASSOCIATES IT MUST NOT BE REPRODUCED OR DISCLOSED TO OTHERS OR USED IN ANY WAY EXCECPT FOR THE INSTALLATION OPERATION OR MAINTENANCE OF GMWASSOCIATES PRODUCTS File No 5971 160 Reversal Switch Users Manual Rev B Revision Date 20 October 2015 955 Industrial Road San Carlos CA 94070 Tel 650 802 8292 Fax 650 802 8298 E mail sales gmw com Web http www gmw com TABLE OF CONTENTS 1 WARNINGS Refer to this section before operation Section 1 2 Personal Safety 2 2 Cable Connections 2 3 Interlock Connections 2 SPECIFICATIONS Section 2 Model 5971 160 General Specifications 3 INSTALLATION Section 3 3 1 Unpacking Instructions 32 Rack Mounting 3 3 Electrical Connections 4 OPERATION Section 4 4 System Description 4 1 1 Front Panel 4 1 2 Rear Panel 4 2 Initial Operation 4 3 External Control 4 4 Computer Control 4 4 USB 6251 DAQ 5 SOFTWARE Section 5 6 MAINTENANCE Section 6 7 DRAWINGS Section 7 5971 160 Reversal Switch in a Bench Height Rack 11907 0154 0 Rev A General Assembly 11907 0153 0 Rev C 5971 160 Reversal Switch Block Diagram 13907 0008 0 Rev A System Connection Diagram 13907 0009 0 Rev A System Connection Diagram 13907 0009 1 Rev A Internal Configuration Jumpers 1X907 0000 0 Rev A SGA60 83 to 5971 160 Reversal Switch C
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23. MBER LABEL 3 1 FW321 1 4 SHRINK TUBING ADHESIVE WALL 1 4 x 20mm LONG 2 1 T3635 001 CIRCULAR CONNECTOR 12 POLE 1A R 5599 12 CABLE 12 CONDUCTOR SHIELDED 24AWG ITEM QTY PART NUMBER DESC N NOTE SERVICE END LABEL 2 1 PANTS LET A z NLESS O Industrial Rd San Carlos CA 94070 GMW Associates Tel 650 802 8292 Fox 650 802 8298 AUX Analog Signal Input Cable Assembly 2 x Part No 16907 0090 0 HC BIPOLAR AMPLIFIER ALOG INPUT CABLE REV s 16907 0090 0 A WT kg SHEET OF _ Section 8 PHOTOGRAPHS 5971 160 Front View 5971 160 Rear View Section 9 5971 160 with GMW ELECTROMAGNETS 9 1 Table GMW Electromagnets and appropriate DC Power Supplies for use with the 5971 160 Current Reversal Switch GMW Electromagnet Peak DC Power Ametek Sorenson Power Supply 5403 5403EG 5403FC 5403AC 70A 33V 2 3kW DLM40 75E 40V 75A 3kW 5404 70A 160V 11 2kW SGA 200 75 200V 75A 15kW 3472 50 3472 70 70A 50V 3 5kW SGA 60 83 60V 83A 5kW 3473 50 3473 70 70A 59V 4 1kW SGA 60 83 60V 83A 5kW 3474 5501 140A 76V 10 6kW SGA100 150 100V 150A 15kW 5414 140A 116V 16 2kW SGA160 150 160V 150A 25kW 5451 70A 25V 1 75kW DLM40 75E 40V 75A 3kW 9 2 Performance Data GMW Associates 5971 160 Reversing Switch Performance Plot Contract No 9625 Page 1 of 1 Date 2 Dec 2010 Customer Army Research Lab Engr M Duffy 5971 160 Serial No 02 Power Supply P83C 100150 Serial No 0250A00730 M
24. Mains Input Auxiliary Power Supply 115 220V AC 2A 2 Fuse Holder Voltage Selector 3 USB Port Type B USB connection for computer control 4 Sensor Power 12V power for Senis Magnetic Field Transducer 5 Sensor Input Senis analog Magnetic Field Transducer input 6 Auxiliary Analog Inputs Refer to section 4 4 1 USB 6521 DAQ for details 7 Magnet Interlock Connection 8 Power Supply Interlock Connection 9 Ground Power Supply and Electromagnet GROUND connection 10 Output Positive to Magnet 11 Power Supply Negative Input 12 Output Negative to Magnet 13 Power Supply Positive Input 4 2 Initial Operational Testing Local Mode Once the Power Supply Reversal Switch and Electromagnet system are connected it is time to perform initial system operational checks Start by switching on the Reversal Switch The power indicator should illuminate along with the panel meters the power supply enable and the polarity indicator as selected by the polarity control All interlock indicators should show green Temporally disconnect the Magnet Interlock connector from the Reversal Switch The Magnet Temp and Magnet Flow interlock indicators should illuminate red signifying a problem with the magnet interlocks Re connect the Magnet Interlock connector The interlock indicators on the front panel should change to green Insure that the Voltage and Current controls on the DC Supply are turned down to t
25. able 16907 0062 1 Rev A 5971 160 Reversal Switch to 3473 70 16907 0052 3 Rev A SGA100 150 to 5971 160 Reversal Switch Cable 16907 0062 2 Rev A 5971 160 Reversal Switch to 3474 140 16907 0053 3 Rev A Senis YM12 Signal amp Power Cable 16912 0000 0 Rev A 8 PHOTOGRAPHS Section 8 5971 160 Reversal Switch 9 5971 160 Reversal Switch with GMW Electromagnets Section 9 8 1 Table GMW Electromagnets and appropriate DC Power Supplies 8 2 Performance Data Switch voltage vs time 10 Warranty Section 1 WARNINGS REFER TO WARNINGS BELOW BEFORE OPERATING THE 5971 160 REVERSAL SWITCH 2 1 Personal Safety Never service alone Do not perform service to the 5971 160 Reversal Switch and associated DC Power Supply unless another person is present who is capable of rendering first aid The output from the model 5971 160 Reversal Switch and its DC Power Supply is potentially lethal It is capable of delivering high voltages at high current Do not remove protective covers or leave cable terminations exposed Do not operate if terminals or cables are damaged 22 Current Connections Special care should be taken to insure that the current terminations are secure and do not work loose in operation Local heating at the terminations can cause rapid oxidation leading to a high contact resistance and high power dissipation at the terminals If left unchecked this can cause enough local heating to damage or destroy the current connection terminals
26. agnet Model 3474 Serial No 105 Pole 50mm Gap 30mm Field Meter Senis YM12 5 5 5T Serial No 24 07 Note Set Current 50A Timed Switching every 30 seconds Current amp Voltage Current A Voltage V Field T 80 2 60 1 5 Aree uA SUE Ju AT CO Y 4 40 D 1 A 20 X 0 5 X N 0 P 0 20 0 5 40 60 1 5 80 Ege 13 18 01 152 13 18 09 792 13 18 18 432 13 18 27 072 13 18 35 712 13 18 44 352 13 18 52 992 13 19 01 632 Time Field Tesla GMW Associates 5971 160 Reversing Switch Performance Plot Contract No 9625 Page 1 of 1 Date 2 Dec 2010 Customer Army Research Lab Engr M Duffy 5971 160 Serial No 02 Power Supply P83C 100150 Serial No 0250A00730 Magnet Model 3474 Serial No 105 Pole 50mm Gap 30mm Field Meter Senis YM12 5 5 5T Serial No 24 07 Note Set Current 150A Timed Switching every 30 seconds Current A Voltage V Field T 175 3 150 125 100 75 50 25 Li D o Field Tesla Current amp Voltage o 100 125 150 175 3 13 29 45 312 13 29 53 952 13 30 02 592 13 30 11 232 13 30 19 872 13 30 28 512 13 30 37 152 13 30 45 792 Time GMW Associates 5971 160 Reversing Switch Performance Plot Contract No 9625 Page 1 of 1 Date 7 Dec 2010 Customer Army Research Lab Engr M Duffy 5971 160 Serial No 02
27. cal Lockout High Remote Digital Output P0 6 Polarity Control High Forward Digital Output P0 7 Interlock Status Common Ground DGND 5V Power Power 5V USB 6251 Connections USER ACCESSABLE The analog input channels below are available on the rear panel of the 5971 160 for user connection They may be configured as single ended or differential The full scale ranges may be configured as 2V 5V or 10V Signal Type Direction 6251 Terminal Analog Channel 3 Analog Input AI 3 Analog Channel 4 Analog Input AI 4 Analog Channel 5 Analog Input AI 5 Analog Channel 6 Analog Input AI 6 Analog Channel 7 Analog Input AI 7 Analog Channel 11 Analog Input AI 11 Analog Channel 12 Analog Input AI 12 Analog Channel 13 Analog Input AI 13 Analog Channel 14 Analog Input AI 14 Analog Channel 15 Digital Input AI 15 Analog Input Ground Ground Ground AI GND Please refer to the National Instruments USB 6251 DAQ manual for configuring the analog channel inputs Section 5 SOFTWARE The 5971 160 Reversal Switch is provided with basic control and monitoring software This section covers the installation and basic operation of the software 5 1 Software Installation Install the software packages in the order below This should ensure that all components are correctly installed and working 1 Install the National Instruments software and driver package NI DAQmx according to the instruc
28. ected Connect the Reversal Switch to Electromagnet Cable output output and ground This cable provides the current ground and interlock signals between the Switch and the Electromagnet Again ensure that ALL connections are tight the polarity is correct and the interlock cable is properly connected It is critical that the DC Supply to the Reversal Switch and the Reversal Switch to Electromagnet cables are connected correctly to the Reversal Switch Rear Panel terminals Incorrect connection may cause damage to the DC Power Supply or the Reversal Switch 3 3 2 Reversal Switch Power Connect the 115Vac or 220Vac power cord to the Reversal Switch This provides the Reversal Switch with its required auxiliary power for the interlocks computer interface magnetic field sensor and cooling fans 3 3 1 DC Supply Main Power This procedure should be carried out by a qualified electrician Connect the DC Supply to the AC Mains service via an appropriate three phase AC power disconnect breaker panel For a GMW supported power supply the maximum input currents per phase are given below DC Power Supply Voltage Phases Current per Phase DLM40 75E 3kW 180 264V 3 16A SGA 60 83 5kW 187 242V 3 21A SGA 100 150 15kW 187 242V 3 62A SGA 160 156 25kW 187 242V 3 103A Ensure that the Electromagnet Reversal Switch and DC Power Supply grounds are connected The DC Power Supply must be connected to the local service ground Secti
29. ed via the start menu Start gt All Programs gt GMW 5971 Reversal Switch VI 0 GMW Reversal Switch 5971 160 exe 2 The source VIs are located in the directory c program files GMW 5971 Reversal Switch V1_O Source VI Note that LabVIEW 8 6 1 or later is required to run view or modify the source VIs 5 2 2 Software Configuration Upon the first run of the software a simple configuration screen will be presented Select the DC Power Supply type from the provided list If the power supply that is being used is not listed enter the maximum voltage and current of the DC Power Supply that you have Then select the address of the USB 6251 DAQ from the list You may also enter the default directory to be used for storing data generated from the data logger Save and exit the configuration screen Configuration Screen GM W Associates 5971 160 Reversing Switch Software Date Dec 2 2010 STATUS SubVI with Error Handling Ele Edt Yew Project Qperate Tools Window Help gt wu DAQmx Device Dev1 CONTROL Power Supply Max Voltage 100 V Power Supply Max Current 150 A Senis Probe Range 5 T Working directory C Documents and Settings Set Current A 50 y AdminiDesktopiGMW 5971 E Reversal Switch Switching Interval Logfile Outputs Switching Performance Test og File Name do ALLL a I Sample Interval ms E sesta 5 2 3 Basic Operation Once configured the normal operation screen
30. edge of all the side panels of the crate top cover 2 Gently rock the crate top cover to work it loose from the shipping crate base 3 Use one person on each side of the shipping crate grip the side panels of the crate top cover Lift the crate top cover high enough to clear top of the rack walk the cover sideways to a clear area and place it upon the floor 4 Inspect the rack and its contents to ensure that no damage has occurred during shipment If any damage is evident report the damage in detail to the shipper for claim and simultaneously notify GMW in case an assessment of the damage must be made If no damage is found proceed with the unpacking and installation Cut the straps that secure the rack to the pallet base Remove the wood block at the bottom front edge of the rack Carefully slide the rack forward and off of the pallet base Unpack any other system components as per their instruction manuals PENA 3 1 2 Systems Shipped without a GMW Supplied Rack 1 Open the outer shipping carton by cutting the packing tape along the joints Remove the inner shipping carton by carefully lifting 1t out Open the inner shipping carton by cutting the packing tape along the joints Carefully lift the reversal switch clear of the shipping carton Inspect the reversal switch for any damage Retain all packing materials for future shipping needs Qt due 3 19 3 2 Rack Mounting When rack mounting the 5971 160 Reversal Switch it is imp
31. een Start Logging button 5 To close the log file click on the Close Log File button Creating the Log File z Current GM W Associates Votooe E 5971 160 Reversing Switch rou nv Software Date Dec 2 2010 STATUS Choose or enter path of file to open Save in Data 53 s971 160_Switching_Performance_Test_01 lt Ha My Recent Documents Desktop My Documents KZ My Computer File name 5971 150 Switching Performance Test DI D My Network Save as type All Files v Switching Interval 30 Current 88 Voltage 4 0 Logfile Outputia leasing Configure Switching Performance Test Log File Name em w EC 5 2 9 Status Read Back This software will read back the Reversal Switch status regardless of its Local Remote status The status read back consists of three interlock indicators and the general status indicators If any one of the interlock conditions exists the corresponding indicator will flash on the screen and the DC Power Supply s output will be disabled Interlock and Status Indicators GM W Associates Ge 5971 160 Reversing Switch Software Date Dec 2 2010 STATUS Current amp Voltage 160 1 04 24 38 Enable Timer Switching Interval 30 Current Logfile Outputs eeng Log File Name 26 Current EN Voltage IW Fea PS l 26 04 41 4
32. equipment meets the written specifications presented to the purchaser by GMW Associates If any defect or fault in the equipment is discovered the end user should notify GMW Associates of the problem including details of Model numbers and serial numbers GMW Associates will either make arrangements for service by the end user or GMW Associates or give authorization for return shipment to GMW Associates All return shipments must be made according to GMW Associates instructions with adequate packaging and documentation identifying the shipment including the GMW Associates Return Material Authorization RMA number GMW Associates will not accept responsibility for equipment damaged in return shipment and thus all shipments should be properly packed and adequately insured by the customer File Name 8X907 0001 0 Rev B LabMag Warranty 955 Industrial Road San Carlos CA 94070 Tel 650 802 8292 Fax 650 802 8298 Email sales gmw com
33. g configured correctly Please refer to section 5 of this manual for more information 4 4 1 USB 6251 DAQ The National Instruments USB 6251 DAQ together with GMW s Magnet Control software provides control and monitoring of the 5971 160 Reversal Switch If GMW s Magnet Control software is not used it is still possible to computer control the 5971 160 Reversal Switch by writing custom software to communicate with the USB 6251 The table below describes the channels used and their functions USB 6251 Connections Signal Type Direction 6251 Terminal Current Control Output Analog Output AO 0 10V output proportional to 100 Single current output Ended Current Control Common Ground Ground AO GND Voltage Monitor Analog Input AI 0 10V 100 of the power supply s Single rated output voltage Ended Voltage Monitor Common Analog Input AI GND Current Monitor Analog Input All 10V 10096 of the power supply s Single rated output current Ended Current Monitor Common Analog Input AI GND Field Monitor Analog Input AI 2 Field Monitor Analog Input AI 10 Field Monitor Common Ground Ground AI GND Reserved Digital Input P0 0 Switch Temp Low Okay Digital Input P0 1 Magnet Flow Low Okay Digital Input P0 2 Magnet Temperature Low Okay Digital Input P0 3 P S Enabled High Enabled Digital Input P0 4 Polarity Status High Forward Digital Input P0 5 Lo
34. heir minimum values and switch on the DC Power Supply Slowly turn up the voltage and current controls until about 5 amps is indicated on the DC Supply display The panel meters on the Reversal Switch should show similar values for voltage and current It is important to note that for normal operation the DC Power Supply voltage be set at Maximum If this is not done the DC Power Supply will be voltage limited and full output current may not be achieved 4 3 External Control To use the external control option set the Control Mode switch on the rear panel to External This disconnects the internal DAC and connects the DC Supply Current Input terminal to the analog input One thing to note is that it is still possible to use the internal DAQPad for monitoring the Reversal switch even when using an external analog control signal Connect an analog voltage source to the Analog Input terminal This source should be capable of delivering voltages from 0V to 10V The power supply current output is proportional to the analog control input voltage 4 4 Computer Control The 5971 160 is provided with a LabVIEW driver that allows basic control and monitoring of the Reversal Switch and DC Power Supply To use the external control option set the Control Mode switch on the rear panel to Internal This connects the internal DAC to the DC Power Supply analog control input Start up the computer software and ensure that everythin
35. on 4 SYSTEM DESCRIPTION 4 1 System Description A complete system would typically consist of an appropriate SGA series DC power supply the GMW 5971 160 Reversal Switch a Senis magnetic field transducer an electromagnet and an appropriate computer and software or an external analog programming signal The DC Supply provides current to the electromagnet via the Reversal Switch and is safety interlocked by means of a relay contact in the Reversal Switch The Supply s output is enabled on a closed contact providing protection should the interlock cable be disconnected Two conditions will cause the interlock relay to open shutting down the DC Supply s output An internal fault detected in the Reversal Switch or a failure in the temperature or water flow interlocks on the electromagnet The 5971 160 Current Reversal Switch is comprised of several sections A proprietary MOSFET switch and associated control electronics a National Instruments USB 6251 Control with USB interface and an auxiliary power supply all integrated into a single 19 rack mounting chassis Refer to drawing no 13907 0008 0 Rev A for an internal block diagram The auxiliary power supply provides power for the cooling fans interlocks control circuitry and interface It also provides 12V and 12V 400mA each on the rear panel for an optional external Senis Magnetic Field Transducer for magnetic field measurement and closed loop field control The interlock circuit for
36. ortant to note that the vertical mounting flanges alone are not strong enough to support the weight of the Reversal Switch Support angles on each side beneath the 5971 160 must also be used Failure to use adequate support angles will result in equipment damage Take care when selecting a rack that it has enough depth to completely house the Reversal Switch and DC Supply The RC 351930 Bench Height Rack offered by GMW has an internal depth of 762mm 30 Typical installations would put the DC Supply at the bottom of the rack with the Reversal Switch just above thus keeping the center of gravity as low as possible in the rack Other instrumentation may then be installed in to the upper sections of the rack Note Telco style racks are NOT appropriate for the Reversal Switch and DC Supply 3 3 Electrical Connections Even if the 5971 160 Reversal Switch was ordered as a complete system and assembled into a rack by GMW it is still recommended to follow and verify the following section as connections may have loosened during shipment Refer to drawing 13907 0009 0 Rev A for a detailed connection diagram 3 3 1 DC Supply and Electromagnet Connections 1 Connect the DC Supply to Switch Cable to the input input and ground This cable provides the DC power ground and interlock signals between the DC Power Supply and the Switch Ensure that ALL connections are tight the polarity is correct and the interlock cable is properly conn
37. overs on the system and the magnet are in place There are warning labels on all removable covers 3 Cooling Check that the fans are clean and free of blockage Ensure that the fans are operating at full efficiency 4 Cleaning To clean wipe the case with a soft cloth with a mild detergent or plain water Do not use any solvents as they may damage the finish Section 7 DRAWINGS do ims Dx um StL V 0 78 10 4061 1L IQUGSSy xpo ipis Bussen JSON 091 176 iddns Jamog OQ 9 091 VOS ui w zs4s sqmwie Datz x suu A ddns Jamo IM wWaysks s 6 I E s z GOB iddns d 90 1 09L vas ui KS SqIOOS BASEL 1H9I3M Xouddv E 0 076 vO SODI UDS P AS 0 615 9Y VANILdO 1300N MOVE gt CGvy 0 e8 G22 S 09S i n 3 3 A EJ 18 le s T3Nvd AIN AL i Alddns M e 90 le el S3l43S VIS NISNIYJOS TANVd 33114 NL a HOLIMS ONISN3A3H 091 146G GITP 08601 ls er le al TANVd 337114 ne gt j TANVd 337114 NE i JANYA YIN nZ T3Nvd SITH nz Y 9 MIA 4V33 MIA 301S MI
38. q ANG W10d 193484029 E Ayna Ege Y CTISOHLAY SY 1430X3 LM E W Gi uo SERLO VI Tas Qa3 o0sdav Javaa NOl1dlH2S3a N38 K Z D A G 9 L 7 5 v 4 2 1 REV DESCRI DRAFT DATE A RELEASE B CHANGE ITI BLE AND TE D 8 AMPHENUL CIRCULAR PLUG 12 POS PART ND T3635 001 2 LABEL PART NUMBER SERVICE END O CABLE 12 CONDUCTOR Pons Pet NG Bapa x S SHRINK TUBING CLEAR 36 x 80mm 24AWG PVC JACKET EN ALPHA P N 5599 12C 3 FIT321 1 4 ADHESIVE Es WALL SHRINK TUBING 250 2500 C CONNECTOR lt SIGNAL WIRE COLOUR CONNECTOR PIN DAQ TERMINAL CHANNEL A BLACK A Al 3 CHANNEL A BROWN 8 AI 11 CHANNEL B RED C Al 4 CHANNEL B ORANGE D Al 12 CHANNEL C YELLOW E Al 5 CHANNEL C GREEN F Al 13 B CHANNEL D 4 BLUE 6 AI 6 CHANNEL D VIOLET H AI 14 CHANNEL E GREY L Al 7 CHANNEL E WHITE M Al 15 ANALOG GND WHT BLK J AI GND SHIELD DRAIN K CASE GROUND SHIELD CONNECT THE DRAIN WIRE TU THIS PIN DO NOT CONNECT THE L DRAIN WIRE TO THE CONNECTOR SHELL uc 5 2 FH221 3 8 SHRINK TUBING CLEAR 3 8 x 80mm 4 3 PART NU
39. t The output current is simply set by entering the desired output current in the current control box Setting the Output Current Current A GMW associates E 5971 160 Reversing Switch rela PAYA Software Date Dec 2 2010 STATUS pieta Current amp Voltage CONTROL Set Current A 5 Time Switching Interval 30 Current 49 5 Voltage 23 1 Logfile Outputs leasing Remark Switching Performance Test Sample Interval ms rate veg ue m Log File Name 5 2 6 Selecting the Reversal Switch polarity To change the Reversal Switch polarity simply click on the polarity control toggle The Reversal Switch will then inhibit the DC Power Supply s output wait for the voltage to drop to a safe level change polarity and then re enable the DC Power Supply s output The switching time will depend on the configuration of the load Switching times may approach 20 seconds Changing Polarity GMW Associates m PNE ES Fed 5971 160 Reversing Switch Software Date Dec 2 2010 STATUS PS Current amp Voltage CONTROL 120 Set Current A 150 140 160 7 128 03 36 07 03 53 10 Time Switching Interval 30 Current 49 5 Voltage 23 1 Logfile Outputssm essing Remark Switching Performance Test Log File Name Sample Interval ms 5 2 7 Timed Switching The software has the ability to au
40. the magnet requires a closed contact connection Provision for both the magnet over temperature and water flow is provided and a failure of either one is indicated on the front panel of the Reversal Switch When using the NI USB 6251 DAQ this information is available via the computer control software In the event of a magnet interlock fault the output of the DC Supply is inhibited The NI USB 6251 DAQ interface provides computer control and monitoring of the system It uses a 16 bit analog output 10V to provide the programming signal to the DC Supply The output voltage and current are monitored by two 16 bit input channels Complete Reversal switch and magnet interlock status is also monitored via its digital input channels When using an optional Senis Magnetic Field Transducer the field is read back on a third 16 bit analog channel For more information please refer to the NI USB 6251 Manual and section 4 5 in this manual 4 1 1 Front Panel GM W Associates 5971 160 Currant Ravers Switch C C 1 Power Switch 2 Power Indicator 3 Output Current Display 4 Output Voltage Display 5 Manual Current Polarity Control 6 Local Lockout Indicator 7 Power Supply Enabled Indicator 8 Forward Current Indicator 9 Reverse Current Indicator 10 Switch Over Temperature Indicator 11 Magnet Over Temperature Indicator 12 Magnet Water Flow Failure Indicator 4 1 2 Rear Panel 9 10 2 n 12 13 6 3 1 1 AC
41. tions in the National Instruments software manual 2 Connect the Reversal Switch to the computer 3 Using the National Instruments software Measurement and Automation Explorer verify communication between the computer and the Reversal Switch 4 Install the GMW Reversal Switch software The GMW supplied software allows basic control and monitoring There are two options when installing the software The first is a basic run time version that does not allow modification of the software The second option is a set of virtual instruments VIs that may be modified to suite a custom application Note that the ability to use the VI version requires the purchase of the complete National Instruments LabVIEW software package 5 1 1 Installing the Run Time software version 1 Insert the GMW supplied software disc in to the CD or DVD drive 2 Run the setup exe located in the directory Mnstaller Volume This will install both the runtime and source VIs and by default the installer will place the files in the directory c program files GMW 5971 Reversal Switch You may change this at the time of installation 3 After the setup has completed read the readme file for any last minute changes or notes 5 2 Operating the Reversal Switch using the GMW Software Once the software is installed it will be possible to control and monitor the Reversal Switch using the supplied software 5 2 1 Running the software 1 The runtime version is access
42. tomatically switch at a rate chosen by the operator To use the timed switching function follow the procedure below 1 Push the Enable Timer button 2 Enter the desired time switching interval in seconds Note that 30 seconds is the minimum interval Timer Enable and Interval Current Voltage nu Field B GM W Associates 5971 160 Reversing Switch Software Date Dec 2 2010 STATUS Current amp Voltage Time Switching Interval 30 Current 49 5 Voltage 23 1 E Remark Switching Performance Test Log File Name Sample Interval ms Logfile Outputism cosins 3 Press the Start button Note that while timed switching is enabled the regular forward reverse control is disabled 5 2 8 Data Logging There are a few things to set up in order to use the data logger 1 Push the Create Log File button This will open a dialog box that will prompt for the file name of the log file If the file exists it will prompt for confirmation to over write the existing file 2 Enter a log file sample interval in mili seconds Set to 0 to log every sample Note at this time data is NOT being logged 3 To start the logging click on the green Start Logging button The button will then change to a red Pause Logging Button 4 To stop or pause the logging click on the red Pause Logging button The button will change back to the gr
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