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Index

©

National Instruments

I-3

NI 660x User Manual

R

real-time system integration b

RTSI

register-level programming, 2-12
related doc

RTSI

connector, 3-1
co

xiliary signal, 3-12

xiliary signal (table), 3-13

gate signal, 3-11

gate signal (table), 3-12

rce signal (table), 3-10

description, 3-14
digital filtering, 3-2
pad synchronization, 2-2
power-on state, 3-3
PXI-compatible prod

signal connection for PCI, 3-15
signal connection for PXI, 3-16
triggers, 3-14, 3-1 5

S

signals

xiliary signal, 3-12

software

nter applications, 3-14

register-level programming, 2-12

specifications, 1-1
stable freq

u

ency

change in, 2-11

start triggers, 3-13
s

pport, technical, A-1

T

TIO ASIC

pad synchronization, 2-2, 2-4
power-on state, 3-3

training and certification (NI reso

transfer rates, 2-8

transmission line effects, 3-3, 3-21
tro

bleshooting (NI reso

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Содержание PCI-6601

Страница 1: ...PCI 6601...

Страница 2: ...DAQ NI 660x User Manual NI 6601 NI 6602 and NI 6608 Devices NI 660x User Manual ni com manuals Deutsch Fran ais December 2012 372119C 01...

Страница 3: ...and current events National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 For further support information refer to the Technical Support...

Страница 4: ...f National Instruments Corporation National Instruments respects the intellectual property of others and we ask our users to do the same NI software is protected by copyright and other intellectual pr...

Страница 5: ...THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAF...

Страница 6: ...is connected to a peripheral device or test object or if the product is used in residential or commercial areas To minimize interference with radio and television reception and prevent unacceptable p...

Страница 7: ...ample Application That Prevents Duplicate Counting 2 6 Enabling Duplicate Count Prevention in NI DAQmx 2 7 When to Use Duplicate Count Prevention 2 7 When Not to Use Duplicate Count Prevention 2 7 Tra...

Страница 8: ...unter n Internal Output Signal 3 13 Hardware Arm Start Triggers 3 13 Counter Pairs 3 14 Counter Applications 3 14 Real Time System Integration Bus 3 14 RTSI Triggers 3 15 5 V Power Source 3 16 I O Sig...

Страница 9: ...e and the DAQ device and how to confirm that the device is operating properly NI 6601 6602 Calibration Procedure Contains instructions for calibrating the NI 6601 and NI 6602 NI 6608 Timing I O Device...

Страница 10: ...plorer MAX select Help Help Topics NI DAQmx DAQ Assistant PXI Hardware Specifications Revision 2 1 Introduces the PXI architecture and describes the electrical mechanical and software requirements for...

Страница 11: ...pulse generation and square wave generation The NI 660x devices contain the National Instruments MITE PCI interface The MITE offers bus master operation PCI burst transfers and high speed DMA control...

Страница 12: ...ion instructions that accompany your software 2 Installing the NI DAQmx The DAQ Getting Started documents contain step by step instructions for installing software and hardware configuring channels an...

Страница 13: ...tor cable R6868 cable 68 conductor flat ribbon cable BNC 2121 BNC connector block with built in test features CA 1000 Configurable connector accessory SCB 68A Shielded screw connector block TB 2715 Fr...

Страница 14: ...gital I O can share the lines on PFI 0 31 For more information about the signals that can be driven onto PFI lines refer to the I O Connector Pinout section of this document For information about how...

Страница 15: ...everal counters are measuring or operating off the same external signal For example suppose counters 0 and 1 are configured for triggered pulse generation and each counter uses the same external trigg...

Страница 16: ...ode is enabled for that counter Figures 2 2 and 2 3 illustrate how pad synchronization can be useful These figures assume a 0 5 and a 0 75 SOURCE cycle delay between the PFI 38 input pin and CTR 0 GAT...

Страница 17: ...at are a slow or non periodic external source Duplicate count prevention applies only to buffered counter applications such as measuring frequency or period For such buffered applications the counter...

Страница 18: ...t rising edge of the Gate the counter stores a 2 because two Source pulses occurred after the previous rising edge of Gate The counter synchronizes or samples the Gate signal with the Source signal So...

Страница 19: ...ate signals to the maximum onboard timebase By synchronizing to the timebase the counter detects edges on the Gate even if the Source does not pulse This enables the correct current count to be stored...

Страница 20: ...x Help for more information When to Use Duplicate Count Prevention Use duplicate count prevention for buffered measurements that use an external CtrnSource signal and the frequency of the signal is le...

Страница 21: ...ions Note The maximum sustainable transfer rate is always lower than the peak transfer rate Table 2 1 lists the maximum transfer rates for TIO devices Note Transfer rates may vary depending on your co...

Страница 22: ...Using the OCXO as the 10 MHz PXI Backplane Clock Your PXI chassis has a built in 10 MHz backplane clock that is independently routed to each peripheral slot An independent buffer on the chassis drives...

Страница 23: ...ocked to 10 MHz PXI Backplane Clock TIO 1 10 MHz OCXO 10 MHz Circuit toDrive 10MHz PXI Backplane Clock 80 MHz VCXO Phase Lock Loop 10 MHz PXI Backplane Clock 10 MHz from OCXO is Used as 10 MHz PXI Bac...

Страница 24: ...quency of approximately 45 ppb occurs after the first year of normal use For example if the OCXO has a perfect stable frequency of 10 MHz after warm up after the first 10 days of operation the stable...

Страница 25: ...ation Caution NI is not liable for any damage or injury that results from register level programming the TIO Series devices For information about programming the NI 660x devices at the register level...

Страница 26: ...l timing signal For example if you need the Counter 0 Source signal as an output on the I O connector software can turn on the output driver for the PFI 39 CTR 0 SRC pin Caution Do not drive a PFI sig...

Страница 27: ...lock and a maximum of two filter clocks The filter is sensitive to the duration for which a digital signal transitions from one state to another If a square wave is applied to the filter its propagati...

Страница 28: ...ilters on your device refer to the NI DAQmx Help Power On State The PFI lines are weakly pulled down within the NI TIO ASIC and the RTSI lines are weakly pulled high Connections for pulling up the PFI...

Страница 29: ...D PFI 19 P0 19 PFI 20 P0 20 D GND PFI 23 P0 23 PFI 24 P0 24 CTR 3 OUT D GND PFI 27 P0 27 CTR 3 SOURCE PFI 28 P0 28 CTR 2 OUT D GND PFI 31 P0 31 CTR 2 SOURCE R GND RESERVED RESERVED PFI 37 CTR 0 AUX D...

Страница 30: ...5 P0 15 CTR 6 SOURCE CTR 5 OUT PFI 16 P0 16 D GND PFI 19 P0 19 CTR 5 SOURCE CTR 4 OUT PFI 20 P0 20 D GND PFI 23 P0 23 CTR 4 SOURCE PFI 24 P0 24 CTR 3 OUT D GND PFI 27 P0 27 CTR 3 SOURCE PFI 28 P0 28 C...

Страница 31: ...0x Motion Encoder Context Pin Assignments Pin Number Motion Encoder Context 2 channel A 0 3 index z 0 6 channel B 1 7 channel A 1 8 index z 1 17 channel B 7 21 index z 6 22 channel A 6 25 channel A 5...

Страница 32: ...tes and sources can be used as outputs associated with the counter When used as such these PFI lines drive the selected GATE or SOURCE associated with these lines For example if PFI 39 is configured a...

Страница 33: ...SOURCE1 PFI 24 P0 24 or CTR 3 OUT PFI 25 P0 25 PFI 26 P0 26 or CTR 3 GATE PFI 27 P0 27 or CTR 3 SOURCE PFI 28 P0 28 or CTR 2 OUT PFI 29 P0 29 PFI 30 P0 30 or CTR 2 GATE PFI 31 P0 31 or CTR 2 SOURCE P...

Страница 34: ...z and 20 MHz The counters on the NI 6602 and NI 6608 also have an 80 MHz timebase Each counter has a gate auxiliary and source input Each of these inputs can be an internal or external signal that con...

Страница 35: ...the low phase must be Tsrcper Tsrcpw Table 3 4 Minimum Pulse Width and Period for CtrnSource Internal Signals Parameter Minimum Minimum with RTSI Connector Description NI 6601 NI 6602 Tsrcpw without p...

Страница 36: ...nector block are larger due to cable delays Note When using duplicate count prevention mode the minimum period of signal used as the source of the counter must be greater than or equal to four times t...

Страница 37: ...is determined by how fast the system can transfer data from your device to computer memory Counter n Auxiliary Signal You can select any PFI or RTSI as well as many other internal signals as the Count...

Страница 38: ...inal counter TC of counter n The counter generates a terminal count when its count value rolls over The two software selectable output options are pulse on TC and toggle output polarity on TC The outp...

Страница 39: ...Measurement Period Measurement Position Measurement with Linear and Angular Encoders Pulse Width Measurement Semi Period Measurement Two Edge Separation Measurement Pulse Generation You can perform t...

Страница 40: ...TIO device can drive its 20MHzTimebase signal onto the RTSI Trigger 7 pin Although some TIO devices have a 80MHzTimebase such as the NI 6602 the RTSI bus cannot carry the 80MHzTimebase signal for ban...

Страница 41: ...ugh a self resetting fuse The fuse resets automatically within a few seconds after removal of an overcurrent condition The power pin is referenced to the D GND pins and can supply power to external di...

Страница 42: ...O device signal lines from high current or high voltage lines High current or high voltage lines that run in parallel paths at a close distance can induce currents in or voltages on the TIO device sig...

Страница 43: ...f the cable and the proximity of the victim to the offending line The source impedance of the victim line V1 in the previous example and the level of the offending line V0 Crosstalk is most likely to...

Страница 44: ...D line with which the PFI line is twisted Figure 3 11 shows an example of wiring that minimizes inductive effects Figure 3 11 Example of Wiring That Minimizes Inductive Effects The SH68 68 D1 cable is...

Страница 45: ...I 14 55 PFI 15 PFI 16 24 PFI 17 PFI 18 59 PFI 19 PFI 20 27 PFI 21 PFI 22 62 PFI 23 PFI 24 30 PFI 25 PFI 26 65 PFI 27 PFI 28 33 PFI 29 PFI 30 68 PFI 31 PFI 32 42 PFI 33 39 PFI 34 42 PFI 35 41 Table 3 8...

Страница 46: ...recommended values for RP and CP are 68 and 150 pF respectively For reflection problems that occur when NI 660x devices receives the signal use series termination at the device driving the signal The...

Страница 47: ...gure 3 12 shows an example of parallel and series termination Figure 3 12 Parallel and Series Termination Example 660x Driving Signal Driving Signal Receiving Signal Receiving Signal Parallel Terminat...

Страница 48: ...program entitles members to direct access to NI Applications Engineers via phone and email for one to one technical support as well as exclusive access to self paced online training modules at ni com...

Страница 49: ...conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification Calibration Certif...

Страница 50: ...ansfer rates 2 8 Declaration of Conformity NI resources A 2 diagnostic tools NI resources A 1 digital filter description 3 1 example figure 3 2 pad synchronization 2 2 settings table 3 3 digital I O 2...

Страница 51: ...quency deviation 2 11 using as the 10 MHz PXI backplane clock 2 9 using as the SOURCE counter 2 9 outputs 3 7 oven controlled crystal oscillator about 1 1 2 9 calibration 2 11 stable frequency deviati...

Страница 52: ...3 3 PXI compatible products 1 1 signal connection for PCI 3 15 signal connection for PXI 3 16 triggers 3 14 3 15 S signals Counter n Auxiliary signal 3 12 Counter n Gate 3 11 Counter n Internal Outpu...

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