Models HS-8A/HS16 - Advanced Test Equipment Rentals
Contents
1. POWER J ar CM 1 POWER SWITCH Rocker style switch with international ON and OFF 0 markings 2 HIGH VOLTAGE STATUS INDICATORS These LEDs indicate the status of each individual High Voltage output When the red LED lights it indicates that the output is set as High high voltage When the green LED lights it indicates that the output 15 set as Low return 3 GROUND BOND STATUS INDICATORS These LEDs indicate the status of each individual Ground Bond output The red LED will light to indicate which high current output is active Only one channel can be active at one time 4 POWER INDICATOR Lights when the power switch is turned on 21 e ASSOCIATED RESEARCH INC PANEL LAYOUTS REAR PANEL LAYOUT IGH VOLTAGE TEST OUTPUT GROUND TEST OUTPUT HIGH VOLTAGE TEST OUTPUT GROUND TEST OUTPUT FUSE RECEPTACLE To change the fuse unplug the power mains cord and turn the fuse receptacle counter clockwise The fuse compartment will be exposed Please replace the fuse with one of the proper rating HIGH VOLTAGE INPUT Connector for input of high voltage output from the host instrument SAFETY GROUND CONNECTOR Must be connected to a known good ground system to ensure operator safety RETURN INPUT Connector for interconnecting the return of the test instrument to the HS 162. 13 GROUND BOND OUTPUTS Output ports for application of the high current for Ground Bond tests The standard configuration of the HS 16 is for up to 16 Ground Bond outputs 23 e ASSOCIATED RESEARCH INC DESCRIPTION Some test applications require more than eight outputs for testing multiple points of a single product Additionally in a production environment time and money constraints require that multiple products be tested at the same time The HS 16 accommodates both of these requirements OPERATION The 5 16 allows for multiple scanners to be controlled independently with either the HypotULTRA II or the QUADCHEK II The HS 16 is connected directly to a computer via a GPIB cable The HypotULTRA II or QUADCHEK II would be setup as a seperate device on the same bus The output of the testers must be directly connected to the inputs ofthe HS 16 scanner s Standard GPIB commands are used to activate the selected outputs of the scanner s Since a GPIB bus will allow connection of up to 15 instruments a total of up to fourteen HS 16 s and either a HypotULTRA II or QUADCHEK II could be connected to a single GPIB card Total system capability on a single bus could accomodate 14 scanners which would allow 384 high voltage points to be tested INTERCONNECT CABLES The HS 16 comes complete with the following hardware and interconnect cables to allow connection to HypotULTRA II or QUADCHEK II HypotULTRA II 1 High voltage inte
3. A bus extender which is available from numerous manufacturers is available to overcome these limitations GPIB CONTROL COMMANDS Ground Bond Port GX 0 16 0 OFF High Voltage Por WXXXXXXXX X HIGH or L LOW or OFF EXAMPLES To activate ground bond port number 1 the string G1 would be sent To set high voltage outputs 1 4 as high and outputs 5 8 as low the string WHHHHLLLL would be sent 27 et ASSOCIATED RESEARCH INC GPIB ADDRESS SETUP This is an 8 pin DIP switch Pins 1 through 5 are used to set the GPIB address Pins 6 through 8 are not used The DIP switch is set in the up position for ON and in the down position for OFF The DIP switch is arranged from pin 1 to pin 5 according to the following Binary Code OPERATION 1 PIN2 2 PIN3 4 PIN4 8 PIN 5 16 The GPIB address number is the sum of the total binary code on the DIP switch The GPIB address must be selected before turning ON the unit EXAMPLES If you wish to set the address number to 9 you must turn ON DIP switch pin 1 and pin 4 and turn OFF pin 2 pin 3 and pin 5 If you wish to set the address number to 8 you must turn ON DIP switch pin 4 and turn OFF pin 1 pin 2 pin 3 and pin 5 A default address number of 9 is set at the factory RS 232 INTERFACE The RS 232 port on this instrument is a simple three wire design and does not impliment handshaking The three lines are transmit
4. Controller A Talker sends data messages to one or more Listeners which receive data A Controller manages the information flow on the GPIB by sending commands to all devices The GPIB bus is much like a computer bus except a computer has circuit cards connected via a backplane and the GPIB has stand alone devices connected via a cable Signals and Lines The GPIB consists of 16 signal lines and 8 ground return or shield drain lines The 16 signal lines are grouped into 8 data lines 3 handshake lines and 5 interface management lines Data Lines The eight data lines DIO1 through 0108 carry data and command messages The 7 bit ASCII or ISO code set is used and the eighth bit DIOS is unused Handshake Lines The transfer of message bytes between devices 15 done via three asynchronously controllines Referred to as three wire interlocked handshake This guarantees that message bytes on the data lines are sent and received without transmission error NRFD not ready for data indicates when a device is ready or not ready to receive a message byte NDAC not data accepted indicates when a device has or has not accepted a message byte DAV data valid tells when the signals on the data lines are stable valid and can be accepted safely by devices Interface Management Lines Five lines are used to manage the flow of information across the interface 26 ASSOCIATED RESEARCH INC OPERATION ATN attention ATN is driven true by t
5. INPUT POWER SWITCH Line voltage selection is set by the position of the switch In the left most position it is set for 110 120 volt operation in the right most position it is set for 220 240 volt operation HIGH CURRENT INPUT Connector for input of high current output from an instrument with High Current Ground Bond capability such as QUADCHEK II model 7564SA This connector is not used when the HS 16 is connected to the HypotULTRA II model 7550DT HIGH VOLTAGE OUTPUTS 16 individual output ports for high voltage tests Dielectric Withstand and Insulation Resistance tests GPIB ADDRESS SWITCH This is an 8 pin DIP switch use to configure the GPIB address of each HS 16 in the system INPUT POWER RECEPTACLE Standard IEC 320 connector for connection to a standard NEMA style line power mains cord 10 GPIB Standard connector for interconnection to the IEEE 488 Bus interface 22 e ASSOCIATED RESEARCH INC PANEL LAYOUTS iGH VOLTAGE TEST OUTPUT GROUND TEST OUTPUT HIGH VOLTAGE TEST OUTPU GROUND TEST OUTPUT 11 RS 232 Standard 9 pin D Subminiature connector for interconnection to the RS 232 interface 12 GROUND BOND RETURN Common return connector for the Ground Bond test outputs This connector is only active when a Ground Bond channel has been selected as is then connected to the main Return Input item 4
6. TD receive RD and signal ground The HS 16 is a listen only device and does not send back any responce to commands and will not indicate errors from incorrectly sent commands The control command are the same as those used for GPIB control RS 232 CONTROL COMMANDS Ground Bond Port GX 0 16 0 OFF High Voltage Por WXXXXXXXX HIGH or L LOW or OFF EXAMPLES To activate ground bond port number 1 the string G1 would be sent To set high voltage outputs 1 4 as high and outputs 5 8 as low the string WHHHHLLLL would be sent RS 232 CABLE The HS 16 is provided with 9 pin D subminiature cable that is configured as a nul modem to provide proper signal connection between the host controller and the HS 16 If the user desires to create a different cable than the one provided the cabling should be configured as follows for a 9 pin serial port interface 28 et ASSOCIATED RESEARCH INC OPERATION 7564SA 7550DT PC Bus Controller diim ade TD 3 3 TD SIG 5 5 SIG GND GND The COM port should have the following configuration 9600 baud 8 data bits 1 stop bit no parity This interface does not support XON XOFF protocol or any hardware handshaking The controller should be configured to ignore the handshaking lines DTR pin 4 DSR pin 6 CTS pin 8 and RTS pin 7 Ifthe port can not be configured through software to ignore the lines then the handshake lines should be jumpered together in two
7. different sets Pins 4 and 6 jumpered together and pins 7 and 8 jumpered together at the controller end of the cable 29 e ASSOCIATED RESEARCH INC 30 This page intentionally left blank OPERATION SECTION IV SERVICE MANUAL e ASSOCIATED RESEARCH INC 32 PARTS LIST Replacement Parts List Model HS 8A and HS 16 Rev A 11 23 99 ECO 4741 Number Designator 37571 1 FarthConnetr 37800 2 BU Rack Mount Bracket 37801 2 MountHandle 37478 ___ 9 17 High Voltage Connector Model HS 8A only 37748 CSU CO2 Scanner Control Board 37873 Model HS 16 only 1 Input Power Cable 10A 7Ft i O Power Switch 2 10 250 O _____ 20mm __ 00000 i e f Lee Interconnect Accessories for Model HS 8A and HS 16 Fuse 3 15A 250V Slow Blow 20mm Feet Kit w o Rubber Inserts Rubber Insert 100Ft _____ Cable Assy RETURN Interconnect HypotULTRA II _____ Cable Assembly HV Interconnect P Cable Kit HV Output _____ Cable Assy CURRENT Interconnect Quadchek Il _____ ______ Cable Assy RETURN Interconnect Quadchek Il Terminal Push on 0 25 10 12 Wire Stranded 18 AWG WHT 30KVDC 1008 m n e ASSOCIATED RESEARCH INC SCHEMATICS SCHEMATIC INDEX Drawing Number Description Pages 33
8. stop and QUADCHEK II will indicate failure once it reaches the output that was connected to the defective device The HS 8A will not continue test the other outputs until the QUADCHEK II Reset switch is pressed the defective item is removed and the Test switch is pressed once again The HS 8A will then begin to test from the first setup in the program CAUTION Multiple high voltage outputs can be set to activate simultaneously However when configured this way the HS 8A cannot provide an indication of which output detected failure Therefore each item or test point would again have to be re tested individually if the operator needs to determine the exact point of failure 16 et ASSOCIATED RESEARCH INC SETUP OF THE HS 8A THROUGH GPIB QUADCHEK II Through the host instrument the parameters for the HS 8A can be setup through GPIB control Please refer to the QUADCHEK II instrument owners manual for more details on GPIB control The commands for the scanner are as follows SG AC Withstand test channel SQ DC Withstand test channel SX Insulation resistance test channel 53 Ground Bond test channel To set the Withstand and Insulation Resistance test channels the user needs to enter a letter string after the command to set the outputs as High Low or Open H High L Low As an example if the operator wished to set the Withstand output channels 1 amp 2 as High 3 amp 4 as Low and 5 th
9. Advanced Test Equipment Rentals A ished 1981 www atecorp com 800 404 ATEC 2832 OPERATION AND SERVICE MANUAL MODEL HS 8A amp HS 16 High Voltage and High Current Scanning systems Compatible with Associated Research HypotULTRA II model 7550DT and QUADCHEK II model 7564SA SERIAL NUMBER pp gg Y Mode I S Associated Research Inc 2000 13860 West Laurel Drive HS 8AIHS16 Lake Forest Illinois 60045 4546 U S A Item 37877 Ver 1 04 Printed Jul 26 2000 CERTIFICATE OF CALIBRATION Associated Research Inc certifies that the instrument listed in this manual meets or exceeds published manufacturing specifications This instrument was calibrated using standards that are traceable to the National Institute of Standards and Technology NIST WARRANTY This new instrument is warranted to be free from defects in workmanship and material for one year from the date of shipment provided the Owners Registration Card is returned within 15 days from receipt of the unit and there is no evidence of modifications tampering or physical damage Elimination of any connections in the earth grounding system or by passing any safety systems will void this warranty THIS WARRANTY DOES NOT COVER BATTERIES OR ACCESSORIES NOT OF ASSOCIATED RESEARCH MANUFACTURE Any unit found defective under this warranty will be repaired free of charge if returned to the factory prepaid and insured Except as provided herein Associated Res
10. ase refer to the HypotULTRA II instrument owners manual for more details on GPIB control The commands for the scanner are as follows SG AC Withstand test channel SQ DC Withstand test channel SX Insulation resistance test channel To set the Withstand and Insulation resistance test channels the user needs to enter a letter string after the command to set the outputs as High Low or Open H High L Low Open As an example if the operator wished to set the AC Withstand output channels 1 amp 2 as High 3 amp 4 as Low and 5 through 8 as Open the following command would be entered through GPIB control SGHHLLOOOO 13 et ASSOCIATED RESEARCH INC OPERATION OF THE HS 8A WITH QUADCHEK II QUADCHEK II DESCRIPTION The optional HS 8A Scanning system can be easily interconnected to QUADCHEK to enhance it s testing capabilities This section of this manual describes interconnecting and operating the optional HS 8A scanner with the QUADCHEK II model 7564SA In order to fully understand this option you should also refer to the manual on QUADCHEK II This switching matrix allows QUADCHEK to direct high voltage to any of eight individual output ports Eight individual outputs are also provided for the high current Ground Bond test This accessory is ideal for applications where multiple points of the same item need to be tested quickly and accurately The Scanner is also applicable when high volume manufacturing call
11. ctivity which employees do not walk through in performing their normal duties If this is not practical because of production line flow then the area should be roped off and marked for HIGH VOLTAGE TESTING No employees other than the test operators should be allowed inside If benches are placed back to back be especially careful about the use of the bench opposite the test station Signs should be posted DANGER HIGH VOLTAGE TEST IN PROGRESS UNAUTHORIZED PERSONNEL KEEP AWAY e ASSOCIATED RESEARCH INC Power Dielectric Voltage Withstand Test Equipment must be connected to a good ground Be certain that the power wiring to the test bench is properly polarized and that the proper low resistance bonding to ground is in place SAFETY Power to the test station should be arranged so that it can be shut off by one prominently marked switch located at the entrance to the test area In the event of an emergency anyone can cut off the power before entering the test area to offer assistance Work Area Perform the tests on a nonconducting table or workbench if possible If you cannot avoid using a conductive surface be certain that it is securely grounded to a good earth ground and insulate the high voltage connection from the grounded surface There should not be any metal in the work area between the operator and the location where products being tested will be positioned Any other metal in the work area should be connected to a g
12. dow will appear as follows Scanner CH 0 Range 1 16 0 The operator then needs to enter the port number to activate using the keypad of QUADCHEK II and then press the enter key Scanner channels 1 8 refer to the HS 8A connected to the SCANNER 1 connector and channels 9 16 refer to HS 8A connected to the SCANNER 2 connector The default value is set at 0 which deactivates the scanner in Ground Bond mode OPERATION Once the HS 8A is interconnected to QUADCHEK II the power on LED will light as soon as the Power switch of the QUADCHEK II is turned on The HS 8A will activate as soon as the Test switch of QUADCHEK II is pressed A master LED indicator on the HS 8A indicates when high voltage or high current is activated Individual LED indicators provide an indication of whether the output is set as High Low or Off If the high voltage output is set as High the red LED will light If the high voltage output is set as Low the green LED will light If the high voltage output is then no LED will light An additional set of LED s indicate which high current Ground Bond output is active If the high current output is active a red LED will light When the Stop on Fail feature has been turned ON and a failure is detected the test will stop high voltage will be deactivated and the QUADCHEK II will give a visual an audible indication of failure If memories were connected to sequence through outputs the test will
13. e ee TTE UU 24 INTERCONNEGI CABLES neue dese eB Ee I eI T 24 GPIB CON TROD iini AT RI a 25 CON tirrenia ie iaia 28 SECTION IV SERVICE MANUAL c600000000 0000000000000000 e eea 00 eea a aee eea nana nenen tati 31 REPLACEMENT PARTS 11 ui 32 SCHEMA TAC S ne 33 iii SECTIONI GENERAL INFORMATION eis SAFETY PRECAUTIONS REQUIRED FOR HIGH VOLTAGE TESTING GENERAL This product and its related documentation must be reviewed for familiarization with safety markings and instructions before operation This product is a Safety Class I instrument provided with a protective earth terminal Before applying power verify that the instrument is set to the correct line voltage 110 or 220 and the correct fuse is installed SAFETY SYMBOLS INSTRUCTION MANUAL SYMBOL PLEASE REFER TO THE INSTRUCTION MANUAL FOR SPECIFIC WARNING OR CAUTION INFORMATION TO AVOID PERSONAL INJURY OR DAMAGE TO THE PRODUCT INDICATES HAZARDOUS VOLTAGES MAY BE PRESENT CHASSIS GROUND SYMBOL ap gt gt WARNING CALLS ATTENTION TO A PROCEDURE PRACTICE OR CONDITION THAT COULD POSSIBLY CAUSE BODILY INJURY OR DEATH CAUTION CALLS ATTENTION TO A PROCEDURE PRACTICE OR CONDITION THAT COULD POSSIBLY CAUSE DAMAGE TO EQUIPMENT OR PERMANENT LOSS OF DATA e ASSOCIATED RESEARCH INC SAFETY WARNING A Hipot produces voltages and currents which can cause harmful or fatal electric shock To prevent acc
14. e return ground and high voltage connections to be certain that they are proper and secure NEVER TOUCH THE ITEM UNDER TEST OR ANYTHING CONNECTED TO IT WHILE HIGH VOLTAGE IS PRESENT DURING THE HIPOT TEST At the end of a test once again rotate the voltage control to its maximum counterclockwise position and check the meter to be sure the voltage across the item under test has dropped to zero before disconnecting the test leads When testing with DC always discharge the capacitance of the item under test and anything the high voltage may have contacted such as test fixtures before handling it or disconnecting the test leads HOT STICK probes can be used to discharge any capacitance in the item under test as a further safety precaution A hot stick is a nonconducting rod about two feet long with a metal probe at the end which is connected to a wire To discharge the device under test two hot sticks are required First connect both probe wires to a good earth ground Then touch one probe tip to the same place the return lead was connected While holding the e ASSOCIATED RESEARCH INC SAFETY first probe in place touch the second probe tip to the same place where the high voltage lead was connected Again check the meter to be sure the voltage has dropped to zero KEY SAFETY POINTS TO REMEMBER Keep unqualified and unauthorized personnel away from the test area Arrange the test station in a safe and orderly manner Never touch the p
15. earch makes no warranties to the purchaser of this unit and all other warranties express or implied including without limitation merchantability or fitness for a particular purpose are hereby excluded disclaimed and waived TABLE OF CONTENTS SECTION I GENERAL INFORMATION 000e000000000 00000000000000 e eea 00 1 SAFETY kerena Gg ag aS GN A A A A Narra 2 SECON INDE re daro lione ee Me 7 SPECIFICATIONS ede A 8 PANEISEANOUTS ie dotted cist sede deus 9 OPERATING HS 8A WITH HYPOTULTRA 11 DESCRIPTION a aa KR a GG E D A 11 INTERCONNECGT CABLES boc GA ii Dh ha NA bie bets 11 pod Bi LL ida alati 12 OPERATION odore oot eee MN stie 12 GPIB CONTROLD itus latte inus tiri foie di tee a lets 13 OPERATING HS 8A WITH THE QUADCHEK IlL e00000000 0000000000000000 eee ea 00 eee eane 14 DESCRIPTION Ng EN aaa ee ne ai 14 INFERGONNEGI CABLES 2 ettet eet ga cli 14 SETUP ria ineo ET e ne NI AN IL BAN I A E Tem 15 olus s wdHlonD 16 GPIB CONEROL sine ni Rial Ne ed 17 SECTION Laa AG a ae 19 SPECIFICATIONS a nananana aaa ERA aaa er eno aiar 20 PANEL LAY OUTS 234i euch aun 21 DESCRIPTION ote vea tv eere terere Cere ee reete teer eU ege Ped
16. er to the HS 8A connected to the SCANNER 1 connector and channels 9 16 refer to HS 8A connected to the SCANNER 2 connector Pressing the 1 key on the data entry keypad of HypotULTRA II sets the output as High Pressing the 0 key sets the output as Low Pressing the key disables the output and leaves it open and isolated from the other outputs The user can setup an individual output within each step and then CONNECT the steps together in order to sequentially test through each output Setup can also be configured so that a single step can activate all 8 outputs Once each output has been configured the operator must press the ENTER key on HypotULTRA II in order for the input to be accepted EXAMPLE OF SETTING UP THE HS 8A The following example demonstrates how a user would setup outputs one and two as High outputs three and four as Low and outputs five through eight as Open channels are preset as Open from the factory From the Scanner setup screen the user would press 1100 and then press ENTER All channels not specified will be set to Open The Scanner setup screen should now appear as follows HHLLO00000000000 OPERATION Once the HS 8A is interconnected to HypotULTRA II the power on LED will light as soon as the Power switch of the HypotULTRA II is turned on The HS 8A will activate as soon as the Test switch of HypotULTRA II is pressed A master LED indicator on the HS 8A indicat
17. es when high voltage is activated Individual LED indicators for each output provide an indication of whether the output is set as High Low or Open Ifthe high voltage output is set as High the red LED will light Ifthe high voltage output is set as Low the green LED will light If the high voltage output is Open then no LED will light ess j HypotULTRA II When the Stop on Fail feature has been turned ON and a failure is detected the test will stop high voltage will be deactivated and the HypotULTRA II will give a visual and audible indication of failure If steps were connected to sequence through the outputs then the test will stop and HypotULTRA II will indicate failure once it reaches the output that was connected to the defective device The HS 8A will not continue on to test the other outputs until the Reset switch is pressed the defective item is removed and the Test switch is pressed once again The HS 8A will then begin to test from the first setup in the program CAUTION Multiple outputs can be set to activate simultaneously However when configured this way the HS 8A cannot provide an indication of which output detected failure Therefore each item or test point would again have to be re tested individually if the operator needs to determine the exact point of failure SETUP OF THE HS 8A THROUGH GPIB Through the host instrument the parameters for the HS 8A can be setup through GPIB control Ple
18. gh voltage connectors are provided as well as a reel of cable and assembly instructions so that each user can assemble the lengths of high voltage cable to meet their specific needs WARNING Under certain conditions high voltage can appear on the cabinet of the HS 8A The ground terminal on the rear panel of the HS 8A must be connected to good earth ground to ensure operator safety The HS 8A does not have it s own power switch or any other user configurable switches Power is provided through the HypotULTRA II and setup of the HS 8A 15 done through the HypotULTRA II control menu The HS 8A can be interconnected to other Associated Research models that provide high current Ground Bond test capability For this reason the HS 8A comes complete with high current input and output terminals and push on crimp lugs These high current 11 e ASSOCIATED RESEARCH INC HypotULTRA II connections can be disregarded for interconnection to HypotULTRA II For more information on other compatible products call 1 800 858 TEST 8378 SETUP Each of the 8 outputs of the HS 8A can be set as High High Voltage Low Return Open Parameter setup is done through the HypotULTRA II setup menu If you are in the Withstand or Insulation Resistance test mode and you scroll through the HypotULTRA II setup menu you will locate a screen that appears as shown below Scanner Set CH 1 16 XXXXXXXXXXXXXXXX Note X H O or L Scanner channels 1 8 ref
19. he controller when it uses the data lines to send commands and drivers ATN false when a Talker can send data messages IFC interface clear IFC is driven by the system controller to initialize the bus and become CIC REN remote enable The REN line is driven by the controller which is used to place devices in remote or local program mode SRQ service request The SRQ line can be driven by any device to asynchronously request service from the Controller EOI end or identify This line has two purposes the Talker uses this line to mark the end of a message string and the Controller uses it to tell devices to identify their response in a parallel poll GPIB Connector Connection is usually accomplished with a 24 conductor cable with a plug on one end and a connector at the other end Devices may be connected in a linear star or a combination configuration The standard connector is the Amphenol or Cinch Series 57 Microribbon or AMP CHAMP type The GPIB uses negative logic with standard transistor transistor logic TTL levels When DAV is true for example it is a TTL low level 0 8 V and when DAV is false it is a TTL high level 2 2 0 V Restrictions and Limitations on the GPIB A maximum separation of 4 m between any two devices and an average separation of 2 m over the entire bus A maximum total cable length of 20 m No more than 15 device loads connected to each bus with no less than two thirds powered on Note
20. idental injury or death these safety procedures must be strictly observed when handling and using the test instrument SERVICE AND MAINTENANCE User Service To prevent electric shock do not remove the instrument cover There are no user serviceable parts inside Refer servicing to an Associated Research Inc authorized service center Schematics when provided are for reference only PHONE 1 847 367 4077 ASSOCIATED RESEARCH INC 1 800 858 TEST 8378 13860 WEST LAUREL DRIVE FAX 1 847 367 4080 LAKE FOREST IL 60045 4546 U S A E MAIL info asresearch com http www asresearch com Service Interval The instrument and its power cord test leads and accessories must be returned at least once a year to an Associated Research authorized service center for calibration and inspection of safety related components Associated Research will not be held liable for injuries suffered if the instrument is not returned for its annual safety check and maintained properly User Modifications Unauthorized user modifications will void your warranty Associated Research will not be responsible for any injuries sustained due to unauthorized equipment modifications or use of parts not specified by Associated Research Instruments returned to Associated Research with unsafe modifications will be returned to their original operating condition at your expense TEST STATION Location Select an area away from the main stream of a
21. le ground path e ASSOCIATED RESEARCH INC SAFETY Safety Procedures Operators should be thoroughly trained to follow these and all other applicable safety rules and procedures before they begin a test Defeating any safety system should be treated as a serious offense and should result in severe penalties such as removal from the Hipot testing job Allowing unauthorized personnel in the area during a test should also be dealt with as a serious offense Dress Operators should not wear jewelry which could accidentally complete a circuit Medical Restrictions This instrument should not be operated by personnel with heart ailments or devices such as pacemakers TEST PROCEDURES INEVER PERFORM A HIPOT TEST ON ENERGIZED CIRCUITRY OR EQUIPMENT If the instrument has an external safety ground connection be sure that this is connected Then connect the return ground lead first for any test regardless of whether the item under test is a sample of insulating material tested with electrodes a component tested with the high voltage test lead or a cord connected device with a two or three prong plug Plug in the high voltage test lead only when it is being used Handle its clip only by the insulator never touch the clip directly Be certain that the operator has control over any remote test switches connected to the Hipot Before turning on the Hipot rotate the voltage control to its full counterclockwise position Double check th
22. ly test through each output Setup can also be configured so that a single step can activate all 8 outputs The operator must select a status for each of the 8 outputs even if only intending to use several ofthem Once each output has been configured the operator must press the ENTER key on QUADCHEK II in order for the input to be accepted EXAMPLE OF SETTING UP HIGH VOLTAGE TESTS THROUGH THE HS 8A The following example demonstrates how a user would setup outputs one and two as High outputs three and four as Low and outputs five through eight as Open channels are preset as Open from the factory From the Scanner setup screen the user would press 1100 and then press ENTER All channels not specified will be set to Open The Scanner setup screen should now appear as follows Scanner Set CH 1 16 HHLLO00000000000 HIGH CURRENT OUTPUT SETUP The HS 8A also allows selection of up to eight output ports for applying the high current ground bond test This setup differs slightly from the high voltage setup of the scanner Unlike the high voltage outputs the operator can only choose to activate one output for each test setup Ifthe application calls for multiple point Ground Bond testing the user needs to CONNECT steps together in order to progress through up to eight outputs While 15 et ASSOCIATED RESEARCH INC QUADCHEK Il in the Ground Bond setup mode the scanner setup screen in the status win
23. nd test current outputs We recommend using standard 10 gauge wire for operation at 30 amps The wires should be attached to the push on lugs on the rear panel of the HS 8A utilizing the crimp on push on lugs provided to minimize connection resistance Also the wire lengths should be kept as short as possible to limit the affect of test lead resistance 14 et ASSOCIATED RESEARCH INC The HS 8A does not have it s own power switch or any other user configurable switches Power is provided through the QUADCHEK II and setup of the HS 8A is done through the QUADCHEK II control menu QUADCHEK II HIGH VOLTAGE OUTPUT SETUP Each of the 8 outputs of the HS 8A can be set as High High Voltage Low Return or Open Parameter setup is done through the QUADCHEK II setup menu As you scroll through the QUADCHEK II setup menu you will locate a screen in the status window that appears as follows Scanner Set CH 1 16 XXXXXXXXXXXXXXXX Note X H O or L Scanner channels 1 8 refer to the HS 8A connected to the SCANNER 1 connector and channels 9 16 refer to HS 8A connected to the SCANNER 2 connector Pressing the 1 key on the data entry keypad of QUADCHEK II sets the output as High Pressing the 0 key sets the output as Low Pressing the key disables the output and leaves it open and isolated from the other outputs The user can setup an individual output within each step and then CONNECT the steps together in order to sequential
24. ning system can be easily interconnected to HypotULTRA II to enhance it s testing capabilities This section of this manual describes interconnecting and operating the optional HS 8A scanner with the HypotULTRA II model 7550DT In order to fully understand this option you should also refer to the manual on the HypotULTRA II This switching matrix allows HypotULTRA II to direct high voltage to any of eight individual output ports This accessory is ideal for applications where multiple points of the same item need to be tested quickly and accurately The Scanner is also applicable when high volume manufacturing calls for multiple item testing to save setup time INTERCONNECT CABLES The HS 8A comes complete with the following hardware and interconnect cables to allow connection to HypotULTRA II 25 pin control cable High voltage interconnect cable Return interconnect cable High voltage connectors and assembly instructions 100 foot 48 75 meter reel of high voltage cable 2 Ground Bond crimp lugs COR Se The 25 pin control cable connects between the rear panel SCANNER 1 or SCANNER 2 connector of HypotULTRA II and the rear panel connector of the HS 8A The High voltage interconnect cable is then connected from the high voltage rear output connector of the HypotULTRA II to the rear high voltage input of HS 8A The rear panel return of HypotULTRA II is connected to the rear panel return connection of the HS 8A Eight hi
25. ood ground never left floating Position the tester so the operator does not have to reach over the product under test to activate or adjust the tester If the product or component being tested 1s small it may be possible to construct guards or an enclosure made of a non conducting material such as clear acrylic such that the item being tested is within the guards or enclosure during the test and fit them with switches so that the tester will not operate unless the guards are in place or the enclosure closed Keep the area clean and uncluttered All test equipment and test leads not absolutely necessary for the test should be removed from the test bench and put away It should be clear to both the operator and to any observers which product is being tested and which ones are waiting to be tested or have already been tested Do not perform Hipot tests in a combustible atmosphere or in any area where combustible materials are present TEST OPERATOR Qualifications This instrument generates voltages and currents which can cause harmful or fatal electric shock and must only be operated by a skilled worker trained in its use The operator should understand the electrical fundamentals of voltage current and resistance They should recognize that the test instrument is a variable high voltage power supply with the return lead directly connected to earth ground and therefore current from the high voltage output will flow through any availab
26. output channel will be connected to the Return output from HypotULTRA II or QUADCHEK II Setting the output channel to Open causes the channel to be isolated from both High Voltage and Return WARNING Under certain conditions high voltage can appear on the cabinet of the HS 16 The ground terminal on the rear panel of the HS 16 must be connected to a good earth ground to ensure operator safety GROUND BOND TESTING The rear panel Current and Return connection of the QUADCHEK II should be connected to the rear panel Return and Current connectors of the HS 16 with the High Current Return and High Current interconnect cables provided This extends ground bond testing capability through the HS 16 The common COM connections of the Ground Bond outputs should be used when ground bond testing The ground bond test will be performed between the output channel selected and the ground bond common terminal When an output channel is selected the Current input terminal is connected to the output channel and the Return input terminal is connected to the COM terminals The two COM terminals are connected to the main Return input during ground bond operation but are seperated from each other and disconnected from the main Return during high voltage operation The HS 16 can be interconnected to other Associated Research models that provide high current ground bond test capability For this reason the HS 16 comes complete with high current input and outp
27. rconnect cable 1 Return interconnect cable 16 High voltage connectors and assembly instructions 1 200 foot 94 48 meters reel of high voltage cable 18 Ground Bond push on crimp lugs 1 RS 232 NUL Modem cable QUADCHEK II 1 High voltage interconnect cable 1 High Current Return interconnect cable 1 High Current interconnect cable 16 High voltage connectors and assembly instructions 1 200 foot 94 48 meters reel of high voltage cable 18 Ground Bond push on crimp lugs 1 RS 232 NUL Modem cable HIGH VOLTAGE TESTING The High voltage interconnect cable should be connected from the high voltage rear output connector of the HypotULTRA II or QUADCHEK II to the rear high voltage input of the HS 16 16 high voltage connectors are provided as well as a reel of cable and assembly instructions so that each user can assemble the lengths of high voltage cable to meet their specific needs 24 et ASSOCIATED RESEARCH INC OPERATION The rear panel return output of HypotULTRA II or QUADCHEK II must be connected to the rear panel return input of the HS 16 when hipot testing This connection is also used during Ground Bond testing with the QUADCHEK II When the scanner channels are selected High or Low either the High Voltage or Return are switch through to the High Voltage output channels When High is selected the output channel of the HS 16 will be connected to the High Voltage output of HypotULTRA II or QUADCHEK II When Low is selected the
28. roduct or connections during a test In case of any problem turn off the high voltage first Properly discharge any item tested with DC before touching connections SECTION II Model HS 8A e ASSOCIATED RESEARCH INC SPECIFICATIONS MODEL HS 8A SPECIFICATIONS Maximum High Voltage rating Maximum Current rating Number of high voltage outputs Number of high current outputs HV output Termination s Dimensions SkV DC amp AC 30 amperes 100 ft reel HV cable rated for up to 30 kV with 8 connectors 17 x 5 8 x 13 inches WxHxD 432 x 147 x 330 mm 10 12 Ibs 4 6 e ASSOCIATED RESEARCH INC PANEL LAYOUT FRONT PANEL LAYOUT HS 8A MATRIX SCANNER POWER sevo GROUND BOND M ASSOCIATED o RESEARCH 1 POWER INDICATOR Lights when the power switch of the host instrument is turned on 2 HIGH VOLTAGE STATUS INDICATORS These LED s indicate the status of each individual output Ifthe red LED lights it indicates that the output is set as High high voltage Ifthe green LED lights it indicates that the output is set as Low return 3 GROUND BOND STATUS INDICATORS These LED s are only active when the HS 8A is connected to the QUADCHEK II model 7564SA which has a Ground Bond test feature The red LED will light to indicate which ground bond output is active 4 HIGH VOLTAGE INDICATOR This LED will light when a high voltage test is activated through the host instrumen
29. rough 8 as Open the following command would be entered through GPIB control SGHHLLOOOO The Ground Bond test channels are selected independently within each steps of the host instrument Only one Ground Bond output can be activated in a single step location The GPIB command is simply followed by a number indicating which output is to be activated As an example if the operator wished to set Ground Bond output channel 2 as active the following command would be entered through GPIB control 932 17 e ASSOCIATED RESEARCH INC 18 This page intentionally left blank QUADCHEK II SECTION III Model HS 16 e ASSOCIATED RESEARCH INC SPECIFICATIONS MODEL HS 16 SPECIFICATIONS Fuse Control Maximum High Voltage rating Maximum Current rating Number of high voltage outputs Number of high current outputs HV output Termination s Dimensions Weight 20 115 VAC 15 47 63 Hz Single Phase 230 15 47 63 Hz Single Phase User Selectable 250 V 5 Amp slow blow GPIB connection and RS 232 connection SkV DC amp AC 30 amperes 16 16 200 ft reel HV cable rated for up to 30 kV with 16 connectors 17 x 5 8 x 17 inches WxHxD 432 x 147 x 432 mm 22 6 lbs 10 3 kg e ASSOCIATED RESEARCH INC PANEL LAYOUTS HS 16 FRONT PANEL LAYOUT HS 16 MATRIX SCANNER e IBHBBHBHBHBHHBBHHHHHHHH GROUND BOND O oF O AOA
30. s for multiple item testing to save setup time INTERCONNECT CABLES The HS 8A comes complete with the following hardware and interconnect cables to allow connection to QUADCHEK 25 pin control cable High voltage interconnect cable High Current Return interconnect cable High Current output interconnect cable High voltage connectors and assembly instructions 100 foot 48 75 meter reel of high voltage cable 2 Ground Bond push on crimp lugs RS eS COR Se eS Ee The 25 pin control cable connects between the rear panel SCANNER 1 or SCANNER 2 connector of QUADCHEK II and the rear panel connector of the HS 8A The High voltage interconnect cable is then connected from the high voltage rear output connector of the QUADCHEK to the rear high voltage input of the HS 8A The rear panel return of QUADCHEK II is connected to the rear panel return input of the HS 8A The rear panel current output of QUADCHEK II is connected to the rear panel input of the HS 8A Eight high voltage connectors are provided as well as a reel of cable and assembly instructions so that each user can assemble the lengths of high voltage cable to meet their specific needs WARNING T Under certain conditions high voltage can appear on the cabinet of the HS 8A The ground terminal on the rear panel of the HS 8A must be connected to a good earth ground to ensure operator safety The rear panel of the HS 8A also includes eight output terminals for the Ground Bo
31. t e ASSOCIATED RESEARCH INC PANEL LAYOUT REAR PANEL LAYOUT CHI CH2 CHS CHS CHE CHE A O O O O O m O O O GROUND TEST OUTPUT CH2 CHS CONTROL CONNECTOR Interconnect port for connecting the control cable between the HS 8A and the host instrument HIGH CURRENT INPUT Connector for input of high current output from QUADCHEK II model 7564SA This connector is not used when the HS 8A is connected to the HypotULTRA II model 7550DT HIGH VOLTAGE INPUT Connector for input of high voltage output from the host instrument HIGH VOLTAGE OUTPUTS Eight individual output ports for high voltage tests Dielectric Withstand and Insulation Resistance tests SAFETY GROUND CONNECTOR Must be connected to a known good ground system to ensure operator safety RETURN INPUT Connector for interconnecting the return of the host instrument with the HS 8A GROUND BOND RETURN Common return connector for the Ground Bond test outputs This connector is not used when the HS 8A is connected to the HypotULTRA II model 7550DT GROUND BOND OUTPUTS Output ports for application of the high current for Ground Bond tests The standard configuration of the HS 8A is for up to eight Ground Bond outputs e ASSOCIATED RESEARCH INC OPERATION OF THE HS 8A WITH HypotULTRA II HypotULTRA II DESCRIPTION The optional HS 8A Scan
32. ut terminals These high current connections can be disregarded for interconnection to HypotULTRA II For more information on other compatible products call 1 800 858 TEST 8378 GPIB INTERFACE CONTROL This section provides information on the proper use and configuration of the GPIB IEEE 488 remote interface A Brief History of IEEE 488 Hewlett Packard designed in 1965 the Hewlett Packard Interface Bus HP IB to connect their line of programmable instruments to computers This bus had high transfer rates nominally 1 Mbytes s and thus quickly gained acceptance Later it was accepted as the IEEE Standard 488 1975 and has since evolved into ANSI IEEE Standard 488 1 1987 25 ASSOCIATED RESEARCH INC OPERATION IEEE 488 has expanded over the years and is used with many more types of computers and instruments than just HP Because of this it is usually referred to as the General Purpose Interface Bus GPIB GPIB Messages There are typically two types of messages that GPIB devices use to communicate with other interconnected GPIB devices Interface messages often called commands or command messages and Device dependent messages often called data or data messages Data Messages contain information such as programming instructions or measurement results Command Messages perform functions such as initializing the bus and addressing and unaddressing devices Functions A GPIB device can be a Listener Talker and or
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