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Appendix A 

147 

EX1200A

 

DMM

 

C

ALIBRATION

/V

ERIFICATION

 

I

NTRODUCTION

 

Verification  is  the  process  by  which  the  measurements  of  the  EX1200A  DMM  are  compared  to 
reference  standards  to  determine  variances  between  the  values  measured  by  the  DMM  and  the 
values  outputted by the standard.  After the completion of  verification, a report can be saved that 
shows  the  measured  and  expected  values  for  the  points  measured.  Using  the  EX1200A 

DMM’s

 

verification functionality, the user can 

generate “before” and “after” data for trending purposes.

 

Calibration  is  the  process  by  which  the  DMM  is  adjusted  and  modified  through  changing 
calibration constants (i.e. offset and gain) to more tightly correlate the values it measures with the 
values  outputted  by  the  reference  standard.  Calibration  generates  a  list  of  calibration  constants 
which can be saved and viewed upon completion, but does not generate a report with the expected 
and  measured  values.  VTI  recommends  that  the  EX1200A  DMM  have  factory  calibration 
performed  annually  to  ensure  that  the  instrument  maintains  its  accuracy  and  precision.  The 
following  procedure  describes  the  resources  and  steps  necessary  to  perform  verification  and 
factory calibration. 

R

EQUIRED 

R

ESOURCES

 

Equipment Needed 

LAN/GPIB gateway (Agilent 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 calibration/verification cable (VTI P/N: 52-0807-000) 
Ethernet switch 
Ethernet cables (straight cables) 
GPIB cables 
PC with Windows XP/Vista, 512 MB RAM, and a Pentium 1 GHz (or faster) 

Software Needed 

A web browser (Internet Explorer, Firefox, etc.) with Java support 

Java Runtime Environment

 

The latest version of EX1200A firmware, available on the 

VTI Instruments

 web site. 

Bonjour (optional: used to discover the EX1200A, requires use of IE Version 6 or higher) 
Agilent Connection Expert (optional: used for instrument discovery if Bonjour is not used) 

NOTE 

Before performing calibration, ensure that the EX1200A mainframe has the most current firmware 
version  available.  It  can  be  downloaded  from 

www.vtiinstruments.com

.  Refer  to  the 

Upgrade

 

discussion in 

Section 7 

for assistance more information on updating firmware. 

S

ETTING 

U

P THE 

I

NSTRUMENTS

 

1)

 

Connect a GPIB cable from the LAN/GPIB gateway to the DMM. 

Connect a GPIB cable from the LAN/GPIB gateway to the function generator. 
Connect a GPIB cable from the LAN/GPIB gateway to the calibrator. 

Connect an Ethernet cable from the PC’s LAN port to the Ethernet 

switch. 

Connect an Ethernet cable from the Ethernet Switch to the LAN/GPIB gateway. 
Connect Fluke 5700A Multifunction Calibrator with 5725A amplifier. 
Power up all the instruments. 

Содержание Ametek EX1200A Series

Страница 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Страница 2: ...EX1200A SERIES HIGH DENSITY SWITCH MEASURE AND CONTROL SYSTEMS USER S MANUAL P N 82 0132 000 Rev February 9th 2017 VTI Instruments Corp 2031 Main Street Irvine CA 92614 6509 949 955 1894 ...

Страница 3: ...nt 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 Time 34 Plug in Module Installation 34 Removing Plug in Modules 35 EX1202A Mainframe Installation Options 35 EX1206A Mainframe Installation Options 44 3U Mainframe Installation Options 49 Blanking Panel...

Страница 4: ...verview 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 Instrument Soft Front Panels 119 Switch Soft Front Panels 119 DMM Soft Front Panel 122 DMM Calibration Web Page 127 Network Configuration 130 Time Configuration 131 LXI Synchronization 133 LXI Identifi...

Страница 5: ...ion 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 Consumption 157 APPLICATION NOTE 158 Overview 158 EX1206A and EX1208A Power Consumption Calculation 158 INDEX 161 ...

Страница 6: ...programming 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 warranty shall not apply to defects resulting from improper or inadequate maintenance by the buyer buyer supplied products or interfacing unauthorized modification or misuse operation outside the en...

Страница 7: ...S 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 1993 and the Electromagnetic Compatibility directive European Council directive 2014 30 EU generally referred to as the EMC directive In substantiation the products were tested and or evaluated to the...

Страница 8: ... 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 and the Electromagnetic Compatibility directive European Council directive 2014 30 EU generally referred to as the EMC directive In substantiation the products were tested and or evaluated to the stan...

Страница 9: ...August 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 returned to VTI by obtaining an RMA number Fees for take back and recycling will apply if not prohibited by national law WARNINGS Follow these precautions to avoid injury or damage to the product Use Pr...

Страница 10: ...erate 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 certain that there is enough space around the power plug and the outlet so that they are readily accessible Do not insert the power cord into an outlet where accessibility to the plug cord is poor A...

Страница 11: ...4 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 Divyashree NR Enclave EPIP Industrial Area Whitefield Bangalore 560066 INDIA Phone 91 80 6782 3200 Fax 91 80 6782 3232 Technical Support Phone 949 955 1894 Fax 949 955 3041 E mail support vtiinstrument...

Страница 12: ...uirements 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 automotive ECM temperature data logging and cable harness and battery testing The primary functions of EX1200As focus on signal switching data logging level detection and control The compact 1U desi...

Страница 13: ...face 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 termination panels and a reduction in sparing costs The onboard relay monitor tracks relay actuations and stores the data in memory simplifying predictive maintenance Embedded monitor and control pa...

Страница 14: ...XLab 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 application programming interface API that conforms to the industry standard IVI specifications for its class The IVI drivers port seamlessly into the most commonly used application development environments...

Страница 15: ...30 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 POWER1 EX1202A 06A EX1208A 120 W 1000 W USEABLE POWER1 EX1202A EX1262A EX1206A EX1266A EX1208A EX1268A 102 48 W 96 53 W 101 48 W 95 53 W 976 48 W 970 53 W For more information see the Power Consumption...

Страница 16: ...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 1 5 ms 200 ns 205 ns 215 ns 3 6 ms 3 8 ms 4 5 ms 3 6 ms 3 8 ms 4 5 ms 15 ms 17 ms 25 ms 3 8 ms 4 0 ms 4 8 ms 74 ns 79 ns 84 ns 64 ns 69 ns 74 ns 1 6 ms 1 65 ms 1 7 ms 10 ns 15 ns 20 ns The maximum ti...

Страница 17: ...VTI Instruments Corp 16 EX1200A Series Introduction EX1200A SERIES 1 U FULL RACK MAINFRAME DIMENSIONAL DIAGRAM ...

Страница 18: ...www vtiinstruments com EX1200A Series Introduction 17 EX1200A SERIES 3 U MAINFRAME DIMENSIONAL DIAGRAM ...

Страница 19: ...9 715 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 Hz or 60 Hz default LIMITS Programmable lower and upper limit values READING BUFFER STATISTICS Count Minimum Maximum Average TRIGGER Type Automatic or programmable delay MAXIMUM NON DESTRUCTIVE INPUTS SIGNAL ...

Страница 20: ...0009 360 0 µV 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 GΩ Typical 1 G Worst Case 10 0 MΩ 1 Over range 20 of range except 300 V range Normal Mode Rejection Ratio NMRR at power line frequency 0 1 60 dB for 1 PLC 10 PLC 100 PLC Common Mode Rejection Ratio CM...

Страница 21: ...igit 100 Ω 5 µA 0 0270 0 0008 84 0 Ω 4 53 kΩ 10 MΩ 4 digit 1 kΩ 70 nA 10MΩ 0 1200 0 0050 4 53 kΩ 45 6 kΩ 100 MΩ 4 digit 10 kΩ 70 nA 10MΩ 0 1300 0 0090 45 6 kΩ 45 6 kΩ 4 WIRE RESISTANCE 1 YEAR ACCURACY RANGE RESOLUTION TEST CURRENTS TCAL 5 C 0 C TO 55 C READING RANGE 30 RANGE 30 RANGE 100 Ω 6 digit 100 µΩ 1 mA 0 0140 0 0070 11 7 mΩ 39 0 mΩ 1 kΩ 6 digit 1 mΩ 1 mA 0 0100 0 0010 39 0 mΩ 390 mΩ 10 kΩ 6...

Страница 22: ...z 0 6000 0 0800 282 µV 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 µV 10 µV 100 µV 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 Hz 45 Hz 0 0600 0 0300 0 225 Range 2 25 Range 45 Hz 20 kHz 0 0600 0 0300 0 081 Range 0 81 Range 20 kHz 50 kHz 0 1200 0 0500 0 282 Range 2 82 Range 50 kHz 100 kHz 0 6000 0 0800 0 282 Range 2 82...

Страница 23: ...oduct is limited to 1 5x107 V Hz Over range 20 beyond range except 300 V range Input Impedance 1 MΩ 2 in parallel with 100 pF AC VOLTAGE 4 DIGITS 1 YEAR ACCURACY RANGE RESOLUTION FREQUENCY RANGE 0 C TO 55 C READING ACCURACY READING ACCURACY 100 mV 10 µV 20 Hz 45 Hz 30 mV 381 µV 30 mV 2 31 mV 45 Hz 100 Hz 201 µV 1 26 mV 100 Hz 20 kHz 201 µV 0 87 mV 20 kHz 100 kHz 288 µV 2 88 mV 1 V 100 µV 20 Hz 45 ...

Страница 24: ...DING ACCURACY READING ACCURACY 10 mA 100 nA 20 Hz 45 Hz 10 mA 200 µA 45 Hz 20 kHz 100 µA 100 mA 1 µA 20 Hz 45 Hz 30 mA 414 µA 30 mA 2 mA 45 Hz 20 kHz 180 µA 500 µA 1 A 10 µA 20 Hz 45 Hz 0 3 A 4 14 mA 0 3 A 10 mA 45 Hz 20 kHz 1 80 mA 4 mA 3 A 10 µA 20 Hz 45 Hz 3 A 30 4 mA 45 Hz 20 kHz 17 8 mA Specifications are for sine wave input 5 with High AC filter AC CURRENT 4 DIGITS 1 YEAR ACCURACY RANGE RESO...

Страница 25: ... 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 breakout box that is in a thermally stable environment 30 minute warm up Guaranteed maximum limits are two times 2x the typical values Exclusive of thermocouple errors Exclusive of noise Common mode v...

Страница 26: ...I 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 EX1206A 70 0462 200 Final Assy EX1200 2365 DMM 3U 6 5 Digit EX1208A The following sections describe how to remove the DMM from the two mainframes NOTE As these devices are static sensitive proper ESD...

Страница 27: ...Slide 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 1 Using the 2 Phillips screwdriver loosen the jack out screws from the DMM front panel These screws are designed to pull the card out of the backplane s mating connector It is recommended that both ...

Страница 28: ... 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 mainframe 3 Begin tightening both top and bottom jack out screws in equal amounts to push the DMM s mating connector into the backplane Once both screws are completely installed the DMM will be secure in...

Страница 29: ...se 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 the applied waveform unlike the average measurement instruments As a result the values returned by the EX1200A DMM are closer to the readings of an analog instrument A complex algorithm calculates the...

Страница 30: ...hat 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 achieve the maximum reading rate auto zero should be disabled the trigger delay should be set to 0 a fixed range should be used and the aperture time should be set to 0 01 PLC Common Mode Voltage It is po...

Страница 31: ...one 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 may occur when initial contact is made if the input connector and mating connector are at different temperatures and are made of dissimilar metals This can create a thermoelectric voltage which is a ...

Страница 32: ...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 ...

Страница 33: ......

Страница 34: ...ower 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 noted that if the mainframe cannot provide adequate power to the module the instrument might not perform to specification and possibly damage the power supply In addition if adequate cooling is not p...

Страница 35: ...ater than 5 ºC 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 ins installed can occur To avoid damage due to high energy sources the following precautions should be made 1 Limit the input current and or power to the values listed in the plug ins maximum specific...

Страница 36: ...Option 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 all the parts necessary to mount an EX1202A system to the front of a standard test rack Required Tools 1 2 Phillips screwdriver Parts List Item Qty Description VTI P N 1 4 Feet Corner Rubber U Shape...

Страница 37: ...the 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 each foot FIGURE 2 3 TABLETOP INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 38: ...w 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 rack ears P N 41 0482 009 and 41 0493 011 on the front of the EX1202A using five 5 6 32 x 3 8 flat head Phillips stainless steel screws P N 37 0114 025 per rack ear Note that the Optional Mounting Loca...

Страница 39: ... 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 right side of the other chassis Note that the Optional Mounting Locations in Figure 2 5 allow the EX1202A to be installed in a rack either flush or recessed 3 Install the front mating bracket P N 41 ...

Страница 40: ...www vtiinstruments com EX1200A Series Preparation for Use 39 FIGURE 2 5 DUAL HALF RACK EAR INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 41: ...upport 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 KEPS hex nuts P N 37 0200 832 per bracket Loosely installing the hardware will allow the rear support bracket to adjust to the proper length once installed in a rack 5 Place the EX1202A in the desired r...

Страница 42: ...www vtiinstruments com EX1200A Series Preparation for Use 41 FIGURE 2 6 HALF RACK WIDTH RACKMOUNT INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 43: ...ush 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 bracket should be installed on the same side as the rack ear installed previously 4 Place the rear rack support brackets P N 41 0482 011 on the inside of the unit support brackets installed in step 3 ...

Страница 44: ...www vtiinstruments com EX1200A Series Preparation for Use 43 FIGURE 2 7 DUAL HALF RACK INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 45: ...e 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 x 1 2 Pan Head Phillips Zinc 37 0044 050 3 4 Feet Corner Rubber U Shaped 37 0281 201 4 2 Screw 6 32 x 3 8 Pan Head Phillips Zinc 37 0044 037 Assembly Procedure 1 Place the chassis on a protected work...

Страница 46: ...www vtiinstruments com EX1200A Series Preparation for Use 45 FIGURE 2 8 TABLE TOP FEET INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 47: ... 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 install the rack ears P N 41 0482 009 on the front of the EX1206A using five 5 6 32 x 3 8 flat head Phillips stainless steel screws P N 37 0114 025 for each rack ear Note that the Optional Mounting Locat...

Страница 48: ...e 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 screws P N 37 0073 037 and two 2 KEPS hex nuts P N 37 0200 832 Loosely installing the hardware will allow the rear support bracket to adjust to the proper length once installed in a rack 5 Place the...

Страница 49: ...VTI Instruments Corp 48 EX1200A Series Preparation for Use FIGURE 2 10 RACKMOUNT HARDWARE INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 50: ...op 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 28 Screw 6 32 x 7 16 Pan Head Phillips Zinc 37 0044 044 Assembly Procedure 1 Place the chassis on a protected work surface with its input connectors facing front 2 Using Figure 2 11 locate the insta...

Страница 51: ...VTI Instruments Corp 50 EX1200A Series Preparation for Use ...

Страница 52: ...www vtiinstruments com EX1200A Series Preparation for Use 51 FIGURE 2 11 TABLE TOP FEET INSTALLATION DIAGRAM EXPLODED FRONT VIEW ...

Страница 53: ...Black 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 a protected work surface with its input connectors facing front 2 Using a 2 Phillips screwdriver install the rack ears P N 41 0482 009 on the front of the EX1208A using four 4 6 32 x 3 8 flat head P...

Страница 54: ...Using 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 that the Optional Mounting Locations in Figure 2 11 allow the EX1208A to be installed in a rack either flush or recessed 3 Next attach the unit support brackets P N 41 0494 020 to the EX1208A using ...

Страница 55: ...tions 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 mainframe outlet then connect all input signals to the plug in cards then turn the power supply ON Do not touch exposed pins or connectors SOFTWARE INSTALLATION The fastest way to begin controlling an EX120...

Страница 56: ...nstrument 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 IVISharedComponents1 5 0 exe program Next follow the on screen instructions Do not proceed to the next step until this installation completes successfully If instructed to reboot the PC it will be necess...

Страница 57: ...s 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 manually set it on the EX1200A The DHCP server configuration provides a centralized controlled database of assigned IP addresses preventing accidental assignment of the same IP address to multiple in...

Страница 58: ... 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 is important to make certain that the connection used to communicate with the EX1200A is selected FIGURE 2 14 NETWORK CONNECTION PROPERTIES 4 Select Internet Protocol TCP IP then click the Properties ...

Страница 59: ...o 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 for the LAN LED to turn green 3 Discover EX1200A using LXI Discovery Tool as described in the Web Page Operation in Section 7 The steps taken previously should ensure that discovery works 4 Once conn...

Страница 60: ...ield 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 determine the network address The network address is the first three digits of the IP address 10 1 0 in the example provided The last digit of the IP address the node is a number 0 through 255 that is ...

Страница 61: ...e 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 instrument The following process can be used to ensure proper functionality 1 Navigate to Start Settings Network Connections 2 Disable all network interfaces except the one that is connected to the EX1200A m...

Страница 62: ...e 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 Network Connections b Right click on the NIC card that the EX1200A mainframe is connected to and select Properties c Select Internet Protocol TCP IP and click Properties FIGURE 2 20 TCI IP SELECTION ...

Страница 63: ...o 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 through PTP Precision Time Protocol The user can also set time using SNTP Simple Network Time Protocol or the time can be set manually The manual setting is necessary if the network environment is s...

Страница 64: ...www vtiinstruments com EX1200A Series Preparation for Use 63 ...

Страница 65: ......

Страница 66: ...d 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 Channel 4 6 DIO Channel 5 7 DIO Channel 6 8 DIO Channel 7 9 GND TABLE 3 1 DIGITAL I O CONNECTOR PIN ASSIGNMENT As a general purpose output device each DIO channel can be independently programmed with r...

Страница 67: ... 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 mode a transition out of the cleared state would remain regardless of future limit evaluations until it is cleared at the beginning of a new acquisition It is important to note that the control of the D...

Страница 68: ...to 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 RP_TRIG_P2 5 GND 18 RP_TRIG_N2 6 RP_TRIG_P3 19 GND 7 RP_TRIG_N3 20 RP_TRIG_P4 8 GND 21 RP_TRIG_N4 9 RP_TRIG_P5 22 GND 10 RP_TRIG_N5 23 RP_TRIG_P6 11 RESERVED 24 RP_TRIG_N6 12 RP_TRIG_P7 25 RESERVED ...

Страница 69: ...µs 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 When a channel is programmed with a static level of low the pulse will be high going Each pulse generation requires a separate function call A common application of the pulse generation is multiple uni...

Страница 70: ...ion 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 more detail on the DMM front panel connector Alternatively the bus can be used to route signals to an external DMM though this connector To use the onboard DMM the DMM inputs must be assigned to the bac...

Страница 71: ...M 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 Pin E17 CH2_COML Pin E16 K77 DMM Bus BPL_HI BPL_LO 4 Wire Resistance K78 K79 DMM Bus BPL_SHI BPL_SLO CH1_COMH Pin A15 CH1_COML Pin A14 CH2_COMH Pin E17 CH2_COML Pin E16 Current Measurements 2 A Max K...

Страница 72: ...river 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 can be established for each SFP by clicking on the Lock button SFPs do not lock by default except for those of switch plug in modules When a switch SFP is initialized the SFP attempts to get a lock ...

Страница 73: ......

Страница 74: ... 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 complete capabilities of the DMM as well as to achieve required accuracies speeds it is important to understand DMM operation This section of the manual provides basic information on how to use the on...

Страница 75: ...ront 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 status LEDs as seen in Figure 4 1 LED operation is detailed in the ...

Страница 76: ...00A 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 analog backplane to other EX1200A series mainframes To ensure high signal integrity environmental noise and cable length should be accounted for prior to routing these lines CAUTION When voltages are s...

Страница 77: ...tud 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 they can connect across the backplane to the DMM bus Refer to the user documentation for the specific plug in modules for information regarding connection to the DMM bus ...

Страница 78: ...tion 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 connectors Figure 4 2 shows how the EX1200A backplane switches between the DMM Bus and front panel Note that certain switch cards and instruments can connect to the DMM Bus as well Matrix EX1200 4128...

Страница 79: ...cess 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 trigger delay until it takes a measurement A delay allows a signal to stabilize if needed If a user configured delay is used it will override the automatic trigger delay used by EX1200A DMM Triggers can al...

Страница 80: ...Sample 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 trigger can be generated either when the measurement completes or when the read value is out of tolerance o Measurement Complete Trigger sets the trigger line that will be pulsed when the Measuremen...

Страница 81: ...The 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 once it has been retrieved IVI COM Programming Interface The IVTEXDmmMeasurement interface provides properties and methods for reading the FIFO count and measured values Read and ReadMultiPoint can be...

Страница 82: ...he 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 for each measurement function Function Ranges DC Voltage 100 mV 1 V 10 V 100 V 300 V AC Voltage 100 mV 1 V 10 V 100 V 300 V DC Current 1 mA 10 mA 100 mA 1 A 3 A AC Current 10 mA 100 mA 1 A 3 A 2 4 Wire Resi...

Страница 83: ...ture 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 transducer resistance measurement If a positive real number is passed in the API that is not one of the valid ranges for the selected function it will be coerced to next highest range available Range Delay When the r...

Страница 84: ...ion 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 specifying the aperture time The aperture time for the frequency and period functions default to 100 ms Valid aperture times vary with the selected resolution 10 ms for 4 digits 100 ms for 5 digits or 1 ...

Страница 85: ...lower 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 and initiate an appropriate action For example a measurement channel can be configured to validate an upper and lower voltage limit and trigger an alarm when any deviations are found These functions ...

Страница 86: ...he 1 GΩ 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 capacitance can exist when long shielded cables are used or many multiplexer cards are connected to the same bus This capacitance must be sufficiently discharged before the measurement is taken or the ca...

Страница 87: ...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 OUTPUT RESISTANCE LOADS To reduce the effects of source loading error and to minimize noise pickup the input resistance of the DMM can be set to HIZ mode 10 GΩ for the 100 mV dc 1 V dc and 10 V dc rang...

Страница 88: ... 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 working near conductors carrying large currents To reduce noise pickup loop area use twisted pair connections to connect to the DMM or dress the input cables as close together as possible Hanging or v...

Страница 89: ...referenced 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 and DUT be connected to the same electrical outlet whenever possible AC VOLTAGE MEASUREMENTS The EX1200A DMM can measure the true RMS ac voltages within the limits specified AC voltage ACV measurements...

Страница 90: ...r 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 on The resultant resolution is always 6 digits 2 Medium Filter This filter guarantees frequency accuracy between 20 Hz and 300 kHz This filter does not have as sharp a cutoff as the SLOW filter hence...

Страница 91: ...non sinusoidal input using the deratings specified in the datasheet Loading Errors In ACV mode the input of the EX1200A DMM appears as a 1 MΩ resistance in parallel with 100 pF of capacitance The cabling used to connect the signals and the switch module used to route the signals to the multimeter also add additional capacitance and loading When connected to high output impedance sources like high ...

Страница 92: ... 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 between the LO input terminal and earth approximately 200 pF for the EX1200As the source experiences a loading differential depending on how the input is applied The magnitude of this error is dependent...

Страница 93: ...rements 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 measuring an unknown resistance 2 wire and 4 wire These methods are discussed below 2 Wire Resistance Measurements When a 2 wire resistance measurement is made the EX1200A DMM sends a known dc current...

Страница 94: ...A TABLE 4 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 test currents are especially helpful when measuring low resistances Increasing the test current however can lead to self heating errors which are discussed later in this section 4 Wire Resist...

Страница 95: ...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 leakage though moisture absorption in insulating materials and dirty surface films Selecting the proper cable insulation can also reduce error Nylon and PVC are relatively poor insulators 109 Ω when compa...

Страница 96: ... 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 time The settling time trigger delay is the same as the ACV slow mode setting Note that the maximum measurement time is no more than the following T 2 Time Aperture Time t Measuremen where T period of ...

Страница 97: ...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 PT100 D100 F100 PT385 PT3916 R0 reference temperature α or A β or B δ or delta Thermistor 2 2 kΩ 5 kΩ 10 kΩ A B C curve fitting constants TABLE 4 10 SUPPORTED TEMPERATURE SENSORS NOTE Temperature measur...

Страница 98: ... 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 defined in Table 4 10 must be defined as appropriate Using a Thermocouple To perform a temperature measurement using thermocouples a reference junction temperature must be used to calculate the hot ...

Страница 99: ...face IVTEXDmmTemperature Thermocouple Property Using an RTD RTDs are resistance based passive transducers where the output resistance varies with changes in temperature This non linear relationship is characterized resulting in the standardization of RTDs As such the EX1200A supports several types of RTDs allowing for the automatic conversion of resistance readings to temperature values RTDs suppo...

Страница 100: ...re Measurement 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 restrictions DMM Front Panel Sense HI Input HI Input LO Sense LO RTD FIGURE 4 15 RTD 2 WIRE CONNECTION TO DMM FRONT PANEL When using the DMM bus backplane through a switch multiplexer as shown ...

Страница 101: ...the 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 Sense LO RTD FIGURE 4 18 RTD 4 WIRE CONNECTION TO DMM FRONT PANEL If the RTD is connected to a multiplexer card the wiring is similar to that used for 4 wire resistance measurements Kelvin method To pro...

Страница 102: ...though 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 resistance of the thermistor the temperature can be derived The following thermistors are predefined on the EX1200A DMM and use built in software conversions 2 252 kΩ default 5 kΩ and 10 kΩ Custom thermistors c...

Страница 103: ... 8 1 568 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 not preferred in fixed installation this can be used to quickly make readings and troubleshoot field wiring Since thermistors is a bilateral resistive device there are no polarity restrictions DMM...

Страница 104: ...ty 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 using the following sequence would result in an erroneous reading 1 Set up config CJC with 10k thermistor Run scanlist Change CJC to use 5k thermistor instead Read back data The EX1200A performs the ...

Страница 105: ...kes 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 Onboard temperature sensor DCV analog path DC protection circuit DCI analog path Current input fuse 2 and 4 wire resistance ohms overload ADC overload Frequency testing ACV testing ...

Страница 106: ...and 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 make programming triggering and arming familiar This model is interchangeable with IVILxiSync unless otherwise noted but does not present an IVILxiSync Interface in COM The VTEXScanner driver must e...

Страница 107: ...VTI Instruments Corp 106 EX1200A Triggering ...

Страница 108: ...Count 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 the DEVICE layer In the DEVICE layer channels in the scanlist are measured the requested sample count number of times and stored into local memory FIFO If there are more steps in the scanlist the inst...

Страница 109: ...VTI Instruments Corp 108 EX1200A Triggering FIGURE 6 1 EX1200A SERIES TRIGGER MODEL ...

Страница 110: ...EX1200A 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 discovered using Internet Explorer s Bonjour for Windows plug in The IP address of the EX1200A can also be entered into the address bar of any web browser to view the embedded web page By default the EX1200...

Страница 111: ...her 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 types of pages Status This type of page performs no action and accepts no entries It provides operational status and information only The Index page is an example of a status page Action This type of pa...

Страница 112: ... 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 EX1200A series chassis After selecting an instrument the soft front panel specific to that instrument will appear An example of the EX1200A SFP page can be seen in Figure 7 3 FIGURE 7 3 EX1200A SOFT FRONT...

Страница 113: ...en 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 card is installed in an EX1200A series mainframe Tab Bar The general purpose of the Tab bar located at the top of the scanner SFP is to allow the user access to all the components of the EX1200A sys...

Страница 114: ... 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 completes in only 0 75 seconds the scanner waits another 0 25 seconds before advancing to the next step Scan Status Displays the operation currently being performed by the scan engine These operations inc...

Страница 115: ...list 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 property to move the scanlist to a driver application This same string can be used to import a scanlist by clicking on the Import Scanlist button and pasting a string into the dialog box that appears Add...

Страница 116: ... 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 Figure 7 7 or 2 enter a valid sweep sub step string directly into the box The wizard allows the user to scan any from any connected switch card in ascending order and allows for one DMM configuratio...

Страница 117: ...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 Wizard Function Indicates the DMM function which will be used with the current setting Functions include DC Volts AC Volts DC Current AC Current 2W Ohms 4W Ohms Frequency Period and Temperature Option In...

Страница 118: ...eration 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 without waiting for any external signal o Software When selected the scanner proceeds through the scanlist in steps and will wait for a software trigger before executing the next scan step or scanlis...

Страница 119: ...FIGURE 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 Repeat set to 0 Now when Period is defined an infinitely running timer is created which triggers at the defined period Step Scan Complete Out When each scan step each row of the scanlist table is compl...

Страница 120: ... 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 FIFO Count field Indicates the number of data points available in the FIFO memory Clear Table button When clicked all of the data currently in the table is erased Clear FIFO button When clicked any d...

Страница 121: ...main 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 EX1200A components while the module is actively performing automated test The image is refreshed every 3 s In this mode no modifications can be made If a another user has established a session with the ...

Страница 122: ...e 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 required to establish the Path Once defined the path can be found in the Established Paths text box The path can then be established or removed by using the Reconnect and Disconnect buttons The Details bu...

Страница 123: ...or 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 access to the stored adjustment data Status Display The Status Display field functions similarly to a DMM front panel display on a standard standalone DMM while its takes measurements It provides inform...

Страница 124: ...e 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 performed at 1 5 MHz range while 1 Hz measurements are at 0 3333 s o For Ω 2W and Ω 4W measurements the ranges are Auto Range On Auto Range Off 10 Ω 100 Ω 1 kΩ 10 kΩ 100 kΩ 1 MΩ 10 MΩ and 100 MΩ NOTE When Auto Range i...

Страница 125: ...user 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 2 3 4W RTD is selected as the transducer the following options are available Type Indicates the RTD type that will be used for measurement Select from PT100 default D100 F100 PT385 PT3916 User R A ...

Страница 126: ...4 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 External and BPL0 7 o Over Limit When a measurements exceeds the High and or Low Limit settings the selected trigger event is asserted These include None External and BPL0 7 o Route This button appea...

Страница 127: ...entered 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 the configuration that is required then click on the OK button To delete a preconfigured state simply click the Delete button select the state the press OK All saved configurations can be easily clea...

Страница 128: ...erased 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 that allows the user to access the calibration and verification routines used during production test Calibration Functions Field The Calibration Functions field defines the type of calibration which w...

Страница 129: ...ly 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 the user can attempt to connect to these instruments by using the Connect button If an instrument is found it will be identified and its identification displayed to the right If identification or cal...

Страница 130: ...easurement 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 calculated value of the adjustment o Pass Fail If the calculated adjustment is within tolerances Pass is indicated If the adjustments are not within tolerances Fail is indicated Verification Results W...

Страница 131: ...1 169 254 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 IP address assignment is preferred one can be optionally assigned via the embedded web page interface This is done by clicking the Network Configuration link disabling DHCP and Auto IP enabling Stat...

Страница 132: ...n 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 entering the month MM day DD and year YYYY respectively Set Time for the PTP and Manual Time Source allows the user to set the EX1200As time by entering the hour HH minute MM and second SS respectively If t...

Страница 133: ...t 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 allows the user to select the local time zone SNTP or NTP Network Time Protocol servers are specified in the NTP Servers field by IP address or hostname as shown in Figure 7 17 Once configured the user...

Страница 134: ...change 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 format 4 Click the Submit button to begin using the manual time source LXI SYNCHRONIZATION The LXI Synchronization status page provides information about the EX1200As synchronization characteristics Note ...

Страница 135: ... 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 format o Grandmaster Traceability to UTC indicates how the grandmaster is synchronized to the UTC The values provide an indicator of how closely synchronized the grandmaster is to UTC time Value Clo...

Страница 136: ...Trigger 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 information about the EX1200A mainframe as well as all the plug in modules that are installed Firmware driver and network information can also be collected from this page Note that the page name adjusts to...

Страница 137: ...returns 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 password click on the Change Password link in the command menu then enter the desired password in both text fields From this point forward pages that modify instrument configuration e g SFP require this pa...

Страница 138: ...upgrade 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 FIGURE 7 22 UPGRADE WEB PAGE Perform the following steps to conduct a firmware upgrade 1 Remove Temporary Internet Files 2 Perform a Reboot or a power cycle 3 Connect to the EX1200A via the embedded web...

Страница 139: ...n 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 cycle is required in order for the upgrade to take effect Note that clicking the Reboot button will not be sufficient for this operation FIGURE 7 24 COMPLETED PLUG IN MODULE FIRMWARE UPGRADE ...

Страница 140: ...rer 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 select Internet Options from the drop menu 3 When the Internet Options window appears click on the Delete button in the Browsing history section 4 When the Delete Browsing History window appears click on...

Страница 141: ...ache 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 the Control Panel 3 When the Java Control Panel opens click on the Settings button in the Temporary Internet Files section of the window ...

Страница 142: ...w 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 cache ...

Страница 143: ...VTI Instruments Corp 142 EX1200A Web Page Operation ...

Страница 144: ... 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 VTEXScanner Programmer s Manual P N 82 0128 000 VTEXSystem Driver Programmer s Manual P N 82 0125 000 Standard IVI APIs can be found at the IVI Foundation website ...

Страница 145: ...VTI Instruments Corp 144 EX1200A Series Programming ...

Страница 146: ...pair 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 mainframes NOTE As these devices are static sensitive proper ESD precautions should be exercised when removing and handling the DMM CEL 4 CPU Board Removal Removal Procedure 1 Using the 2 Phillips screwdriver...

Страница 147: ...MM 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 out screws in equal amounts to push the CPU board s mating connector into the backplane Once both screws are completely installed the CPU board will be secure in the mainframe ...

Страница 148: ...t 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 calibration verification cable VTI P N 52 0807 000 Ethernet switch Ethernet cables straight cables GPIB cables PC with Windows XP Vista 512 MB RAM and a Pentium 1 GHz or faster Software Needed A web ...

Страница 149: ...I 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 Sense LO FIGURE 9 4 EX1200A CONNECTIVITY TO REFERENCE STANDARDS NOTE Be certain that the calibrator is in standby mode i e not outputting before the cables are connected to eliminate the possibility of h...

Страница 150: ...opriate 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 EX1200A mainframe accessing an action or entry page for the first time during a session will cause an Error page will appear To clear this error click on the login link The Login page will appear In ...

Страница 151: ...NFIGURATION 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 this is done Prior to beginning calibration ensure the following The EX1200A DMM device under calibration the function generator the DMM and the calibrator amplifier must all be powered up for a minimum...

Страница 152: ...00 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 panel click the Calibration button FIGURE 9 7 CALIBRATION TAB 4 From the Calibration Functions section of the Calibration page select Calibration from the drop down menu FIGURE 9 8 CALIBRATION FUNCTI...

Страница 153: ...t 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 expected values for the points measured during the calibration process Performing verification before and after calibration can provide the user valuable information regarding the stability of an instrum...

Страница 154: ...t 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 right clicking on the Java icon in the system tray and choose Java Console The full path to the log will be printed there when Initiate is clicked ...

Страница 155: ......

Страница 156: ...o 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 SFP No None No DCF2 No None No Model serial number file No None No Switch card image No None 16 MB SPI Flash No FPGA Image No None EX1200 1538 64MB Flash No Model Serial No None SFP No None 16MB SPI...

Страница 157: ...ic 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 calibration APIs to overwrite the data 16 MB SPI Flash No FPGA image No None 4 MB RAM Yes Waveforms Yes Power off EX1200 7600 64MB Flash No Model Serial No None SFP No None 16MB SPI Flash No FPGA Image No No...

Страница 158: ...60 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 5002 0 129 A 0 0041 A 0 A Add 23 mA per relay closure on 5 V EX1200 5006 0 140 A 0 005 A 0 A Add 28 mA per relay closure on 5 V EX1200 6101 0 140 A 0 005 A 0 A Add 28 mA per relay closure on 5 V EX120...

Страница 159: ...A 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 Appendix B Note3 These values indicate the maximum current provided by the power supply This value is limited by the carrying capacity for that rail See the Maximum Current Carrying Capacity per Slot specif...

Страница 160: ...ted 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 2001 I5V EX1200 3048 P5V 5 V x 1 000 A 0 454 A 0 234 A P5V 8 44 W P3 3V 3 3 V x I3 3V EX1200 3608 I3 3V EX1200 2001 I3 3V EX1200 3048 80 efficiency P3 3V 3 3 V x 0 300 A 0 131 A 0 129 A 80 efficienc...

Страница 161: ......

Страница 162: ...4 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 shunt resistor 100 D DC voltage measurements 93 common mode rejection 94 DMM connections 93 ground loops 96 input resistance selections 93 loading errors 94 magnetic loop effects 95 power line noise rej...

Страница 163: ...erformance 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 measurements See frequency and period measurements plug in module installation 38 power 37 power consumption 37 power line cycles See PLCs programming 155 programming references 155 R range auto once 90 auto r...

Страница 164: ...110 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 triggering 80 117 troubleshooting multiple network cards 64 68 true RMS 33 97 U using multiple network cards 68 V verification 166 VTEXDMM driver 81 programming examples 81 VTEXScanner driver 115 VXI 11 ...

Страница 165: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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