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EX1200A Series Introduction

31

Low-Resistance Measurements

When making low-resistance measurements and using switch cards, it is important the type of
relay being used by the switch card. Solid-state relays tend to have a higher input impedance and
more capacitance than mechanical relays, making mechanical relays preferable when performing
measurements of this type. Solid state switches also have leakage currents that should be
accounted for when measuring resistance or high-impedance voltage sources.

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Содержание EX1200A SERIES

Страница 1: ...EX1200A SERIES HIGH DENSITY SWITCH MEASURE AND CONTROL SYSTEMS USER S MANUAL P N 82 0132 000 Rev June 7th 2016 VTI Instruments Corp 2031 Main Street Irvine CA 92614 6509 949 955 1894...

Страница 2: ...t 25 Explanation of Specifications 28 Maximizing Measurement Performance 30 SECTION 2 33 PREPARATION FOR USE 33 Unpacking 33 Determine System Power Requirements 33 Installation Location 33 Warm Up Tim...

Страница 3: ...erview 105 SECTION 6 107 TRIGGERING 107 Overview 107 SECTION 7 109 WEB PAGE OPERATION 109 Introduction 109 General Web Page Operation 110 Soft Front Panel Main Page 111 Scanner Soft Front Panel 112 In...

Страница 4: ...on 150 Performing Calibration 150 Performing Verification 152 APPENDIX A 155 ONBOARD MEMORY 155 Memory Listings and Clearing Procedures 155 APPENDIX B 157 POWER CONSUMPTION 157 Plug in Module Power Co...

Страница 5: ...rogramming when properly installed on that product VTI does not however warrant that the operation of the product or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The...

Страница 6: ...All PRODUCT CONFIGURATIONS All VTI Instruments declares that the aforementioned product conforms to the requirements of the Low Voltage directive European Council directive 2014 35 EU dated 22 July 1...

Страница 7: ...PRODUCT CONFIGURATIONS All VTI Instruments declares that the aforementioned product conforms to the requirements of the Low Voltage directive European Council directive 2014 35 EU dated 22 July 1993 a...

Страница 8: ...ugust 13 2005 This mark is placed in accordance with EN 50419 Marking of electrical and electronic equipment in accordance with Article 11 2 of Directive 2002 96 EC WEEE End of life product can be ret...

Страница 9: ...rate in an explosive atmosphere Operate or store only in specified temperature range Provide proper clearance for product ventilation to prevent overheating When selecting the installation location be...

Страница 10: ...Fax 949 955 3041 VTI Instruments Cleveland Instrument Division 5425 Warner Road Suite 13 Valley View OH 44125 Phone 216 447 8950 Fax 216 447 8951 AMETEK Instruments Pvt Ltd India 4th Floor Block A Di...

Страница 11: ...irements in the most demanding and complex application spaces Now VTI makes this powerful cost effective solution commercially available for functional test systems process monitoring signal switching...

Страница 12: ...ace with the host computer using low cost readily available and lightweight Ethernet cabling In addition the switch modules are pluggable from the front resulting in very low MTTR simplified wiring to...

Страница 13: ...Lab systems save time and reduce the frustration normally associated with software development efforts Flexible Application Programming Options Every EX1200A series module is delivered with an applica...

Страница 14: ...0 C 40 C 5 45 non condensing 40 C 50 C per 3 8 2 of MIL PRF 28800F Class 3 40 C 70 C 15 000 ft 4 500 m maximum 5 95 non condensing Per 3 8 5 of MIL PRF 28800F Class 3 POWER SPECIFICATIONS AVAILABLE PO...

Страница 15: ...BPL LAN LXI LAN DIO LAN LAN LAN BPL BPL LXI BPL DIO BPL LAN BPL BPL 48 ns 54 ns 58 ns 34 ns 38 ns 44 ns 1 4 ms 1 45 ms 1 5 ms 75 ns 80 ns 85 ns 175 ns 180 ns 185 ns 160 ns 165 ns 170 ns 1 4 ms 1 45 ms...

Страница 16: ...VTI Instruments Corp 16 EX1200A Series Introduction EX1200A SERIES 1 U FULL RACK MAINFRAME DIMENSIONAL DIAGRAM...

Страница 17: ...www vtiinstruments com EX1200A Series Introduction 17 EX1200A SERIES 3 U MAINFRAME DIMENSIONAL DIAGRAM...

Страница 18: ...tion 209 715 readings with no timestamp 131 071 readings with timestamp 52 428 readings in debug mode SAVED STATES 1 user configuration state in non volatile memory LINE FREQUENCY Manually set to 50 H...

Страница 19: ...0009 360 0 V 3 6 mV 100 V 4 digit 10 mV 10 M 0 0050 0 0011 3 6 mV 36 0 mV 300 V 4 digit 10 mV 10 M 0 0055 0 0040 36 0 mV 36 0 mV Selectable input resistance to support external high voltage probe 10 G...

Страница 20: ...0270 0 0008 84 0 4 53 k 10 M 4 digit 1 k 70 nA 10M 0 1200 0 0050 4 53 k 45 6 k 100 M 4 digit 10 k 70 nA 10M 0 1300 0 0090 45 6 k 45 6 k 4 WIRE RESISTANCE 1 YEAR ACCURACY RANGE RESOLUTION TEST CURRENTS...

Страница 21: ...6000 0 0800 282 V 2 82 mV 100 kHz 300 kHz 5 0000 0 5000 0 2 Rdng 0 02 Rng C 1 V 10 V 100 V 1 V 10 V 100 V 3 Hz 5 Hz 1 0000 0 0300 0 1 Rdng 40ppm Rng C 5 Hz 20 Hz 0 3500 0 0300 0 1 Rdng 40ppm Rng C 20...

Страница 22: ...oduct is limited to 1 5x107 V Hz Over range 20 beyond range except 300 V range Input Impedance 1 M 2 in parallel with 100 pF AC VOLTAGE 4 DIGITS 1 YEAR ACCURACY RANGE RESOLUTION FREQUENCY RANGE 0 C TO...

Страница 23: ...READING ACCURACY READING ACCURACY 10 mA 100 nA 20 Hz 45 Hz 10 mA 200 A 45 Hz 20 kHz 100 A 100 mA 1 A 20 Hz 45 Hz 30 mA 414 A 30 mA 2 mA 45 Hz 20 kHz 180 A 500 A 1 A 10 A 20 Hz 45 Hz 0 3 A 4 14 mA 0 3...

Страница 24: ...65 0 70 0 70 0 75 R 50 1768 1 00 0 75 0 60 0 60 0 60 0 60 0 65 0 70 B 250 1820 1 65 1 10 0 80 0 70 0 65 0 65 N 200 1300 0 40 0 25 0 25 0 25 0 30 0 35 0 40 0 40 Values in C Conditions Requires use of b...

Страница 25: ...the DMMs can be removed from mainframe The mainframes can still be used once the DMM has been removed Part Number Description Compatible Mainframe 70 0462 100 Final Assy EX1200 2165 DMM 1U 6 5 Digit...

Страница 26: ...lide the DMM into the mainframe unit the front panel is flush with the front of the chassis 4 Install the three screws as shown in using a 2 Phillips screw driver EX1200 2365 Removal Removal Procedure...

Страница 27: ...slide the DMM into the mainframe unit the until DMM is supported by the card guides 2 Slide the DMM into the mainframe using the card guides until the jack out screws touch the front panel of the main...

Страница 28: ...e errors and their harmonics will average out to approximately zero This is however only applicable for dc measurements True RMS The internal mainframe DMMs measure the root mean square RMS value of t...

Страница 29: ...at require additional processing such as ac filtering increased resolution use of the auto modes decrease the reading rate of a measurement A tradeoff always exists between speed and accuracy To achie...

Страница 30: ...ne pair of wires is shielded these should be the sense lines and the above practices should be observed The user should consider they type of cable being use when taking measurements Transient errors...

Страница 31: ...he type of relay being used by the switch card Solid state relays tend to have a higher input impedance and more capacitance than mechanical relays making mechanical relays preferable when performing...

Страница 32: ......

Страница 33: ...wer consumption please refer Appendix B The user should confirm that the power budget for the system for the chassis and all modules installed therein is not exceeded on any voltage line It should be...

Страница 34: ...ter than 5 C extra stabilization time is recommended to achieve maximum performance NOTES It is important to note that if connected to a high energy source damage to the EX1200A system and the plug in...

Страница 35: ...ption P N 70 0373 104 NOTE These options are not included with the EX1200A system and must be ordered separately Tabletop Installation Option P N 70 0373 100 The rackmount installation option includes...

Страница 36: ...he 2 Phillips screw driver install the four rubber feet using four 4 6 32 x 7 16 pan head Phillips screws to secure the top and bottom and one 1 6 32 x 1 2 pan head Phillips screw to secure side of ea...

Страница 37: ...6 32 x F H Undercut Phillips Zinc 37 0114 025 Assembly Procedure 1 Place the chassis on a protected work surface with its input connectors facing front 2 Using a 2 Phillips screwdriver install the ra...

Страница 38: ...using five 5 6 32 x 3 8 flat head Phillips stainless steel screws P N 37 0114 025 for each rack ear One ear should be installed on the left side of one chassis while the other ear is installed on the...

Страница 39: ...www vtiinstruments com EX1200A Series Preparation for Use 39 FIGURE 2 5 DUAL HALF RACK EAR INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 40: ...pport brackets P N 41 0482 011 on the inside of the unit support brackets installed in step 3 and loosely secure them using two 2 8 32 x 3 8 pan head Phillips SEMS screws P N 37 0073 037 and two 2 KEP...

Страница 41: ...www vtiinstruments com EX1200A Series Preparation for Use 41 FIGURE 2 6 HALF RACK WIDTH RACKMOUNT INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 42: ...sh or recessed 3 Next attach a unit support bracket P N 41 0482 011 to each EX1202A using two 2 6 32 x 3 8 pan head Phillips SEMS screws P N 37 0028 037 for each bracket see Figure 2 7 Note that the b...

Страница 43: ...www vtiinstruments com EX1200A Series Preparation for Use 43 FIGURE 2 7 DUAL HALF RACK INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 44: ...employed as a bench top or desktop instrument Required Tools 1 2 Phillips screwdriver Parts List Item Qty Description VTI P N 1 14 Screw 6 32 x 7 16 Pan Head Phillips Zinc 37 0044 044 2 4 Screw 6 32...

Страница 45: ...www vtiinstruments com EX1200A Series Preparation for Use 45 FIGURE 2 8 TABLE TOP FEET INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 46: ...2 10 Screw 6 32 x F H Undercut Phillips Zinc 37 0114 025 Assembly Procedure 1 Place the chassis on a protected work surface with its input connectors facing front 2 Using a 2 Phillips screwdriver inst...

Страница 47: ...Figure 2 10 4 Place the rear rack support brackets P N 41 0482 011 on the inside of the unit support brackets installed in step 3 and loosely secure them using two 2 8 32 x 3 8 pan head Phillips SEMS...

Страница 48: ...VTI Instruments Corp 48 EX1200A Series Preparation for Use FIGURE 2 10 RACKMOUNT HARDWARE INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 49: ...p or desktop instrument Required Tools 1 2 Phillips screwdriver Parts List Item Qty Description VTI P N 1 8 Feet Corner Rubber L Shaped 37 0281 200 2 2 Shim Bottom Rubber Feet EX1267 8 9 41 0494 022 3...

Страница 50: ...VTI Instruments Corp 50 EX1200A Series Preparation for Use...

Страница 51: ...www vtiinstruments com EX1200A Series Preparation for Use 51 FIGURE 2 11 TABLE TOP FEET INSTALLATION DIAGRAM EXPLODED FRONT VIEW...

Страница 52: ...lack 37 0254 000 3 4 Screw 8 32 x 1 2 Flat Head Phillips 82 Stainless Steel 37 0129 050 4 8 Screw 6 32 x 3 8 Flat Head Phillips 82 Stainless Steel 37 0173 037 Assembly Procedure 1 Place the chassis on...

Страница 53: ...sing a 2 Phillips screwdriver install the rack ears P N 41 0494 010 on the front of the EX1208A using four 4 6 32 x 3 8 flat head Phillips stainless steel screws P N 37 0173 037 for each rack ear Note...

Страница 54: ...ions to the front panel of any plug in cards that may be installed and the power switch at the rear of the mainframe should be in OFF position Connect the power line cord to the EX1200A series mainfra...

Страница 55: ...strument Driver Installation First close all other open programs leaving only Windows Explorer open Navigate to the CD ROM Drive LXI Drivers EX Platform Requisites directory on the CD and run the IVIS...

Страница 56: ...in your company s DHCP server configuration This reserved address linked to the EX1200A s MAC address on the DHCP server would be assigned to the EX1200A at power up initialization without having to...

Страница 57: ...Settings Network Connections 3 Right click on the connection that will be used to communicate with the EX1200A then select Properties see Figure 2 14 Some PCs have multiple network connections so it i...

Страница 58: ...IP Set the EX1200A to Auto IP 1 Remove all network connections from the PC except for the connection to the EX1200A Wireless adapters should be disabled as well 2 Apply power to the EX1200A and wait...

Страница 59: ...eld and ensure that DHCP and AutoIP are not selected 6 In the IP Address field enter an appropriate IP address for the EX1200A Use the IP address obtained the Determine PCs Network Settings step to de...

Страница 60: ...EX1200A itself This process is only necessary if a DCHP server is not connected to the network to which the device is connected and typically occurs when the NIC is connected directly to the instrume...

Страница 61: ...to communication with the EX1200A mainframe This is normal and is addressed in the following steps 9 Set a static IP address for the NIC card by doing the following a Navigate to Start Settings Netwo...

Страница 62: ...255 255 255 0 FIGURE 2 21 COMPLETED NIC STATIC IP CONFIGURATION g Click OK to exit the network configuration properties TIME CONFIGURATION The EX1200A will initially be configured to receive its time...

Страница 63: ...www vtiinstruments com EX1200A Series Preparation for Use 63...

Страница 64: ......

Страница 65: ...as a general purpose output device The digital I O connector is a standard DB 9 with the following pin assignment Pin Function 1 DIO Channel 0 2 DIO Channel 1 3 DIO Channel 2 4 DIO Channel 3 5 DIO Ch...

Страница 66: ...per channel basis to be high through the use of the Invert setting Similarly the default operation of each channel is non latch mode but can be set on a per channel basis to be latch mode In latch mod...

Страница 67: ...o LXI Standard Revision 1 2 and LXI Trigger Bus Cable and Terminator Specifications Rev 1 1 Pin Function Pin Function 1 3 3 V 14 RP_TRIG_P0 2 GND 15 RP_TRIG_N0 3 RP_TRIG_P1 16 RESERVED 4 RP_TRIG_N1 17...

Страница 68: ...pulse upon command The specific operation of the pulse depends on the static level programmed for that channel When a channel is programmed with a static level of high the pulse will be low going Whe...

Страница 69: ...on 4 DMM Bus I O For EX1200A mainframes with a DMM it is possible to access the DMM through the DMM bus as an alternative to the front panel banana jacks see DMM Input Connections in Section 4 for mor...

Страница 70: ...BUS I O connector which allows a signal to be routed to an external DMM or to extend the bus to multiple mainframes Voltage and Resistance Measurements CH1_COMH Pin A15 CH1_COML Pin A14 K76 CH2_COMH...

Страница 71: ...iver will not be useable Because the VTEXSystem driver capabilities may be needed by one or more driver sessions no lock is established by this driver When the mainframe is accessed via the SFP a lock...

Страница 72: ......

Страница 73: ...the DMM is provided through a soft front panel which resides on the web server of the EX1200A the Windows based IVI drivers both IVI C and IVI COM and through a multi platform driver To exercise the c...

Страница 74: ...ont Panel Connector The EX1200A DMM s hardware interface is made available on the front panel of the instrument The DMM front panel has the following features five banana jack inputs a fuse and three...

Страница 75: ...0A DMM installed provide an onboard DMM with a five line analog bus routed through the backplane to the DMM This bus is available through rear panel DMM Bus connector that can be used to extend the an...

Страница 76: ...ud on Rear Panel 8 LO LO 9 N C N A TABLE 4 1 DMM BUS I O PIN SIGNALS Using the DMM Bus with Switch Cards Some switch cards and plug in instruments can access the EX1200A DMM without external wiring as...

Страница 77: ...ion to the DMM via the front panel while the DMM Bus allows for connection from either the DMM Bus rear panel connector or from switch cars that have access to the EX1200A DMM bus via their backplane...

Страница 78: ...ess is complete the device transitions to the TRIGGER state The DMM remains in the TRIGGER state until a specified TRIGGER event occurs After receiving a trigger the DMM will wait the specified trigge...

Страница 79: ...ample Trigger to taking a measurement o Interval when set to Interval an internal time periodically sends a sample trigger This parameter sets the time between sample triggers Trigger Output Options a...

Страница 80: ...he DMM stores the measured samples into FIFO until retrieved This data can be accessed upon completion of the measurement and must be retrieved to be read The data is automatically deleted from FIFO o...

Страница 81: ...to the last range selected for that function Note however that when the instrument is reset or power cycled the functions return to their default values Table 4 2 lists the valid measurement ranges fo...

Страница 82: ...d for temperature measurements For thermocouple measurements the instrument internally selects the 100 mV range For thermistor and RTD measurements the DMM auto ranges to the correct range for the tra...

Страница 83: ...on time can be changed by using the resolution property This relationship is defined by the algorithm in the Resolution discussion above For frequency and period measurements resolution is set by spec...

Страница 84: ...ower limit The interrupt can be routed to be any valid LXI trigger output including the general purpose DIO lines available at the rear panel In this way a limit violation can act as a trigger source...

Страница 85: ...he 1 G setting is appropriate when the device being measured requires a very light load but this setting can cause measurement errors when high parasitic capacitance exists on the input path This capa...

Страница 86: ...the DMM s own input resistance RS VS HI DMM LO Ri VS Ideal DUT Voltage RS DUT Source Resistance Ri Multimeter Input Resistance 10 M or 10 G Error 100 x RS RS Ri FIGURE 4 5 ERROR CALCULATION FOR HIGH O...

Страница 87: ...Noise Caused by Magnetic Loops When measurements are taken near magnetic fields precautions should be taken to avoid inducing voltages in the measurement conductors This is especially important when w...

Страница 88: ...eferenced be sure that the DMM and the DUT are connected to the same common ground point This will reduce or eliminate any voltage difference between the devices It is also recommended that the DMM an...

Страница 89: ...This filter guarantees frequency accuracy between 3 Hz to 300 kHz This filter has a sharp cutoff and hence a large settling time The ADC integration time is fixed at 0 01 PLC and auto zero is forced...

Страница 90: ...l input using the deratings specified in the datasheet Loading Errors In ACV mode the input of the EX1200A DMM appears as a 1 M resistance in parallel with 100 pF of capacitance The cabling used to co...

Страница 91: ...ge relative to earth The most common situation where unnecessary turnover errors are created is when the output of an ac calibrator is connected to the multimeter backwards Because of the capacitance...

Страница 92: ...ements such as ac filter settings aperture PLC count integration time etc are applicable to the respective current measurements as well RESISTANCE MEASUREMENTS The EX1200A DMM offers two methods for m...

Страница 93: ...5 SELECTABLE TEST CURRENTS Selecting a higher test current generates a higher voltage drop for a given resistance and as such improves the signal to noise ratio improving measurement accuracy Higher...

Страница 94: ...errors can occur due to insulation resistance and surface cleanliness To reduce errors of this type a clean high resistance system should be maintained Test cables and fixtures are susceptible to lea...

Страница 95: ...Mode Resolution Hz Aperture Time s Min 0 0025 16 67 x 10 6 s Max 42e 9 1 s TABLE 4 7 RESOLUTION AND APERTURE LIMITS FOR USER MODE Frequency and period measurement rates are dictated by the aperture ti...

Страница 96: ...es each category and the types of sensors supported by the EX1200A DMM Category Built in Sensor Support Custom Sensor Support Thermocouple B E J K N R S T Cannot be defined at the instrument level RTD...

Страница 97: ...For thermocouples custom types are defined at the application level by using the measured voltage value and passing it to a software defined look up table For custom RTDs or thermistors the parameters...

Страница 98: ...Interface IVTEXDmmTemperature Thermocouple Property Using an RTD RTDs are resistance based passive transducers where the output resistance varies with changes in temperature This non linear relationsh...

Страница 99: ...Connections A 2 wire RTD measurement is connected in the same manner as a 2 wire resistance measurement The HI and LO terminals of the DMM are connected to the RTD s two terminals no polarity restric...

Страница 100: ...he set up automatically removes connection lead and switch resistance This method does however does increase setup cost as additional cabling is required DMM Front Panel Sense HI Input HI Input LO Sen...

Страница 101: ...lthough they must operate in a more restricted temperature range Thermistors are resistance based passive transducers whose output resistance varies with temperature changes By measuring the resistanc...

Страница 102: ...568 x 10 7 TABLE 4 12 THERMISTOR CURVE FITTING CONSTANTS Connecting to the DMM Any thermistor can be connected to the front panel terminals of the DMM using suitable connectors Though this method is...

Страница 103: ...y Scanlist Application Note When using scanlist with temperature measurements it is important not to make any configuration modification between running the scan list and reading the data For example...

Страница 104: ...es approximately two minutes to complete and checks the following Communication lines for the controller board digital FPGA and analog FPGA SRAM memory Power supply fuse and shut down capabilities Onb...

Страница 105: ...nd allows application programmers the flexibility to program at a high level and rely on the details being correct In addition the VTEXScanner driver incorporates an IVILxiSync compatible interface to...

Страница 106: ...VTI Instruments Corp 106 EX1200A Triggering...

Страница 107: ...ount is decremented and the instrument transitions into the TRIG layer The instrument remains in the TRIG layer until the specified TRIG event occurs Once that occurs the instrument transitions into t...

Страница 108: ...VTI Instruments Corp 108 EX1200A Triggering FIGURE 6 1 EX1200A SERIES TRIGGER MODEL...

Страница 109: ...X1200A can also be viewed from this window as well as its firmware version FIGURE 7 1 LXI DISCOVERY TOOL DISPLAYING ALL THE INSTRUMENTS ON THE LAN NETWORK Alternatively the EX1200A may also be discove...

Страница 110: ...er instrument page by clicking on the EX1200A web page header The EX1200A Command Menu is displayed on the left hand side of every internal web page The entries on the command menu represent three typ...

Страница 111: ...link to the VTI Instruments corporate website http www vtiinstruments com SOFT FRONT PANEL MAIN PAGE The Soft Front Panel page displays a list of instruments that are available to command in the EX120...

Страница 112: ...n met For more information on controlling the scanner programmatically please refer to the VTEXScanner Programmer s Manual included with the EX1200A system NOTE Scanner is only available when a switch...

Страница 113: ...each time the scanlist repeats When no scan is running the field appears blank Scan Delay Indicates the minimum time to complete each scan step For instance if this is set to 1 0 and a scan step compl...

Страница 114: ...ist button When the Export Scanlist button is clicked a string describing the contents of the current scanlist is displayed This string can be copied and pasted into the VTEXScanner driver s list prop...

Страница 115: ...User s Manual for information regarding switch card capabilities After clicking on the white entry box the user can 1 click on the black configuration button on the right to start the Sweep Wizard see...

Страница 116: ...p phase of the scanlist FIGURE 7 8 DMM CONFIGURATION MANAGER Name Allows the user to define a name for the DMMs configuration Once defined this name appears in the DMM Configs section of the Sweep Wiz...

Страница 117: ...ration of the scanlist For the Step Trigger the scan engine will wait for the selected event to occur before starting each scan step o Immediate When selected the scanner proceeds through immediately...

Страница 118: ...IGURE 7 10 ALARM CONFIGURE OPTIONS Notes on Web Page Use To create a trigger that repeats at a specified time interval set one of the trigger inputs to ALARM0 Then configure the alarm with Time and Re...

Страница 119: ...clicking the Get button causes all of the currently available data to be retrieved from memory Get Count field Indicates the number of data points that will be returned when the Get button is clicked...

Страница 120: ...ain toolbar of the SFP provides the following functionality Control Mode Three control modes are available for EX1200A modules o Monitor Only In this mode the user can view the actions the various EX1...

Страница 121: ...channel to channel relationships by entering the desired path in the New Path text box using the formatting described in the Help discussion Clicking on the Connect button will close the relays requi...

Страница 122: ...r and Control When clicked it provides the ability to set the DMM s options perform measurements and collect data Calibration This tab provides the calibration and verification routines as well as acc...

Страница 123: ...Auto Range Off Auto Range Once 100 mV 1 V 10 V 100 V and 300 V o For DCI and ACI the following ranges are available Auto Range On Auto Range Off 10 mA 100 mV 1 A and 3 A o Hz measurements are performe...

Страница 124: ...er must provide the Steinhart Hart equation coefficients for the thermistor Is Reference Junction check box When checked this indicates that the thermistor is being used as a reference junction o When...

Страница 125: ...967295 Trigger Output These parameters specify the trigger events generated by the DMM o Measurement Complete Upon completion of a measurement the selected event will occur These events include None...

Страница 126: ...ntered only alphanumeric characters dash and underscore _ are allowed click the OK button in the prompt to save these settings To recall a saved configuration press the Load button select the name of...

Страница 127: ...rased Save Data button When clicked the data in the table can be saved A csv file is generated by default DMM CALIBRATION WEB PAGE When the Calibration tab is clicked on the DMM SFP a screen appears t...

Страница 128: ...y only supports HP3458A Function Generator Specifies the function generator that will be used Currently only the HP33120A and HP33220A are supported Connect button Once the fields have been populated...

Страница 129: ...asurement range to which the adjustment applies o Minimum Indicates the smallest allowed value of the adjustment o Maximum Indicates the largest allowed value of the adjustment o Value Indicates the c...

Страница 130: ...169 254 1 1 00 0D 3F 01 01 01 169 254 1 1 00 0D 3F 01 A3 28 169 254 163 40 00 0D 3F 01 FE FE 169 254 254 254 00 0D 3F 01 FF FE 169 254 254 254 TABLE 7 1 AUTO IP DEFAULT ADDRESS ASSIGNMENT If a static...

Страница 131: ...SNTP simple network time protocol or manual The default time source is PTP Time Zone allows the user to select an appropriate time zone Time Source allows the user to set the EX1200As date by enterin...

Страница 132: ...is synchronized to a global time source like such as GPS Using SNTP NTP Time By selecting SNTP from the Time Source menu the EX1200A can be synchronized with an SNTP server The Time Zone drop menu al...

Страница 133: ...hange so that it can be configured 2 Select the Set Time checkbox 3 Enter the required data into the Date and Time fields that appear Note that the Time field should be entered using the 24 hour forma...

Страница 134: ...disabled passive or unlocked o Current PTP Time indicates the number of seconds since midnight January 1 1970 UTC coordinated universal time o Current Local Time indicates the date and time in 24 hour...

Страница 135: ...rigger Parameters o Wired OR Bias indicates whether the Wired OR bias for each Trigger Bus channel LXI0 through LXI7 is enabled or disabled LXI IDENTIFICATION This status page provides the user inform...

Страница 136: ...eturns to its normal operation FIGURE 7 20 DEVICE IDENTIFY WEB PAGE CHANGE PASSWORD Once connected to the EX1200A the user should define a password No password is defined by default To create a passwo...

Страница 137: ...pgrade process If power is lost during the upgrade the instrument may be put into an inoperable state requiring return to the factory An uninterruptible power supply may be used to avoid this risk FIG...

Страница 138: ...in Figure 7 24 appears A step will appear for each plug in module installed in the mainframe Each plug in module takes approximately one minute to upgrade Upon completion of the upgrade a hard power...

Страница 139: ...er 8 the following steps can be taken to delete existing cookies for other browsers please refer to the browser s on line help documentation 1 Open Internet Explorer 2 Click on the Tools icon and sele...

Страница 140: ...che should be deleted next For Java version 6 the cache can be removed by performing the following steps 1 Navigate to the Control Panel Start Settings Control Panel 2 Double click the Java icon in th...

Страница 141: ...vtiinstruments com EX1200A Web Page Operation 141 4 When the Temporary Internet Files window opens click the Delete Files button A confirmation dialog box will appear Click to OK button delete the ca...

Страница 142: ...VTI Instruments Corp 142 EX1200A Web Page Operation...

Страница 143: ...APIs and provide practical examples which assist the programming with sequencing syntax and the use of other IVI specified APIs These guides include VTEXSwitch Programmer s Manual P N 82 0117 000 VTEX...

Страница 144: ...VTI Instruments Corp 144 EX1200A Series Programming...

Страница 145: ...air or replacement Part Number Description Compatible Mainframe 70 0460 000 Final Assy EX1208A CEL 4 CPU Board EX1208A The following sections describe how to remove the CPU board from the 3U mainframe...

Страница 146: ...M is supported by the card guides 2 Slide the DMM into the mainframe using the card guides until the jack out screws touch the front panel of the mainframe 3 Begin tightening both top and bottom jack...

Страница 147: ...E5810A 8 5 digit DMM Agilent 3458A Function generator Agilent 33220A or the Agilent 33120A Calibrator Fluke 5700A Series II Calibrator amplifier Fluke 5725A used to measure the 3 A limit EX1200A DMM...

Страница 148: ...Input HI Input LO Sense HI Sense LO Function Generator Output HI Output LO Sync HI Sync LO Calibrator Output I Output HI Output LO Sense HI Sense LO EX1200 DMM Input I Input HI Input LO Sense HI Sens...

Страница 149: ...priate Select checkbox and then clicking OK FIGURE 9 4 ACCESSING THE EX1200A VIA ACE LOGIN INTO SFP EX1200A calibration is performed using the SFP web interface If a password has been created for the...

Страница 150: ...FIGURATION PERFORMING CALIBRATION Once connected to the EX1200A and after ensuring that the time is set properly it can be calibrated using the SFP The following description provides describes how thi...

Страница 151: ...0 dmm DMM from the list of available plug in modules the slot designation will vary depending on the mainframe being used FIGURE 9 6 INSTRUMENT SFP SELECTION PAGE 3 At the top of the DMM s soft front...

Страница 152: ...logs for future reference 11 Copy the cal constants to a file for future reference PERFORMING VERIFICATION When verification is run the user can generate a report that indicates the measured and expe...

Страница 153: ...Working Directory of the web browser typically C Documents and settings Username Application Data although this varies from one browser to another To find the actual location open the Java Console by...

Страница 154: ......

Страница 155: ...User configurations Yes Use the DeleteAll API No Calibration constants Yes Use the Calibration APIs to overwrite the data 2 MB SRAM Yes Reading data Yes Power off EX1200A Switch Cards1 64 MB Flash No...

Страница 156: ...c RAM Yes User pattern data Yes Power off EX1200 3608 64 MB Flash No Model serial number file No None No SFP No None No User configurations Yes Call Delete All API No Calibrations Yes Use the calibrat...

Страница 157: ...0 0 014 A 0 005 A 0 A Add 28 mA per relay closure on 5 V EX1200 4264 0 014 A 0 005 A 0 A Add 28 mA per relay closure on 5 V EX1200 5001 0 129 A 0 0041 A 0 A Add 23 mA per relay closure on 5 V EX1200 5...

Страница 158: ...40 00 A 35 99 A 28 77 A Note1 For more information see the Power Consumption in Appendix B Note2 For more information on calculating power consumption please refer to the Power Consumption in Appendi...

Страница 159: ...ed on the 5 V rail consumption for each rail can be calculated P24V 24 V x I24V EX1200 3608 I24V EX1200 2001 I24V EX1200 3048 P24V 24 V x 1 4 A 0 A 0 A P24V 33 6 W P5V 5 V x I5V EX1200 3608 I5V EX1200...

Страница 160: ......

Страница 161: ...connecting and disconnecting line power 62 connectors DIO 73 DMM 77 DMM Bus Out 77 Ethernet 73 trigger bus 75 cooling 37 crest factor 34 97 current measurements crest factor 99 DMM connections 99 shu...

Страница 162: ...rformance 35 memory 33 cleaning protocols 169 N network configuration 63 resetting See LAN configuration initialize troubleshooting 64 web page 142 NTP 144 O offset 92 P password 148 period measuremen...

Страница 163: ...10 fitting curve constants 110 thermocouple measurements DMM connections 106 time configuration 70 time configuration web page 143 TRIG event See triggering Trigger Bus 75 76 80 trigger model 118 trig...

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