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IOtech 652u, Руководство пользователя

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3-4     Connectors, Indicators, and Cables 

989490 

652u & 655u Users Manual 

 

 

Reference Note

: 

 

For detailed documentation regarding software and Digital I/O you will need to refer to the  

eZ-TOMAS User’s Manual

.  A PDF version is included on the DSA CD.

 

 

 

#6-32 machine screw (chassis to earth ground)

: 

  

The machine screw on the rear panel is used to connect the chassis to solid earth ground.  It can also be used to connect 
transducer shields.

 

 

USB2.0

o

 

IOtech 652u and 655u require connection to USB2.0 

:  This port is intended for USB2.0 high-speed (480Mbps).  In regard to 652u [or 655u], connection to a USB2.0 

port on the host PC is required.  The use of a 

High-Speed USB Cable 

is recommended.  IOtech cable part numbers 

CA-179-

1, -3, and -5 

are 1m, 3m, and 5m in length, respectively. 

The IOtech 652u and 655u both transfer acquired data to the PC via USB.  When a computer has a board with USB 2.0 
ports, an “Enhanced” USB controller can be found in the Device Manager.  The Device Manager will also show two other 
USB controllers due to the fact that USB2.0 circuitry includes 3 chips [one for the actual USB2.0 capable devices and two 
for backward USB1.1 compatibility].  Thus a USB 2.0 motherboard can host any USB device (version 2.0 or lower), 
assuming there are no defects with the board, system, and/or device. 

 

o

 

USB 1.1 (obsolete) hubs will work on USB 2.0 ports, but cannot utilize USB 2.0 capabilities.  

o

 

Hi-Speed and Full/Low-Speed USB devices can coexist on USB 2.0 hubs.  

o

 

USB 2.0 hubs can be used on computers with USB 1.1 ports, but will not exhibit USB 2.0 capabilities.  

o

 

Minimize hub use and keep USB cables as short as possible.  

o

 

USB ports and USB hubs cannot supply sufficient power to a 652u, or 655u. 

 

 

LED Indicators 

 

ACTIVE

   

This indicator is on whenever active communication is taking place between the 652u [or 655u] and 
the host PC.  Note that the ACTIVE LED is on solid during data acquisitions.  

POWER

  

  

This indicator blinks during device detection and initialization; and then remains on solid, as long 
as there is sufficient power.  If there is insufficient power the POWER LED will go off. 

 

5 Channel TC / RTD Connector

  (655u only)

 

The rear panel of the 655u includes a removable block connector that provides a means of connecting up to five 
thermocouples, or five RTDs, or a combination of TCs and RTDs, not to exceed five.   

 

Содержание 652u

Страница 1: ...25971 Cannon Road Cleveland OH 44146 1833 440 439 4091 Fax 440 439 4093 sales iotech com productsupport iotech com www iotech com 372562B 01 Dynamic Signal Analyzers for Vibration Analysis and Monito...

Страница 2: ...damage under noted conditions Follow all safety standards of professional practice and the recommendations in this manual Using this equipment in ways other than described in this manual can present s...

Страница 3: ...ng software installation Adobe PDF versions of user manuals will automatically install onto your hard drive as a part of product support The default location is in the Programs group which can be acce...

Страница 4: ...SB2 0 3 4 LED Indicators 3 4 5 Channel TC RTD Connector 655u only 3 4 Chapter 4 CE Compliance and Noise Considerations Overview 4 1 CE Standards and Directives 4 1 Safety Conditions 4 2 Emissions Immu...

Страница 5: ...html 3 Click the ENTER SETUP button Note If you are downloading software from our website follow instructions provided there 4 From the hardware selection screen which follows a licensing agreement s...

Страница 6: ...RTD or mix Prior to making signal connections review the Specifications chapter of your 652u and 655u user s manual to ensure that the input signals do not exceed the specified limits The manual is in...

Страница 7: ...ut Channels High Pass Filter Cutoff Analog Input Range Analog Output Channels Digital I O Channels External Power Connector 652u USB2 0 0 10 0 1 Hz 40 V 0 8 6 to 16 VDC 1 amp max 655u USB2 0 5 10 0 1...

Страница 8: ...se matching USB2 0 ready Easy Connection to USB2 0 ready Notebooks Desktop PCs or USB2 0 Hubs Note that the USB2 0 port allows a continuous stream of data to be collected and stored in the host PC Ana...

Страница 9: ...IOtech 652u and 655u User s Manual 878091 Block Diagram 2 1 Block Diagram 2 IOtech 652u and 655u Block Diagram See page 2 2 for temperature channel block diagram...

Страница 10: ...el block diagram applies only to the 655u The 5 channel TC RTD removable connector connects to the rear panel of the 655u Temperature Channel Block Diagram 655u only The gray block for temperature cha...

Страница 11: ...er LED blinks during device detection and initialization then remains on solid as long as the module has power If there is insufficient power the LED will go off Digital I O To make use of the Digital...

Страница 12: ...biasing IEPE o detection of a transducer fault o AC or DC coupling o 40 V range o anti aliasing filters 3 pole low pass filter in hardware programmable digital filtering via software o pseudo differen...

Страница 13: ...ion of a fault does not alter the acquisition process or its data Input Coupling The analog input channels can be independently set in software to AC Coupling or to DC Coupling When AC Coupling is sel...

Страница 14: ...GITAL I O Note requires eZ TOMAS installed on the host PC Eight digital I O lines are accessible via a 9 pin female DSub connector Each bit of digital I O can be programmed individually to be either a...

Страница 15: ...hips one for the actual USB2 0 capable devices and two for backward USB1 1 compatibility Thus a USB 2 0 motherboard can host any USB device version 2 0 or lower assuming there are no defects with the...

Страница 16: ...additional wire connections Note For each scenario you can connect shielding When using shielding connect it to one of the four earth grounds The earth ground pins are 1 12 13 and 24 See diagram on p...

Страница 17: ...as illustrated 2 Place the wire TC connector assembly onto the shell base Secure the wires with the tie wrap 3 Place the hole plate in the grooves on the side of the shell base If the wires passed thr...

Страница 18: ...lity EMC directives specify two basic requirements 1 The device must not interfere with radio or telecommunications 2 The device must be immune from electromagnetic interference from RF transmitters e...

Страница 19: ...or death from electrical shock under noted conditions This WARNING CAUTION symbol is used to warn of possible personal injury or equipment damage under noted conditions This CAUTION symbol warns of po...

Страница 20: ...to be expected when I O leads are exposed to RF fields or transients over 3 or 10 V m as noted on the Declaration of Conformity CE Rules of Thumb for 652u and 655u IOtech 652u and 655u are CE Complian...

Страница 21: ...e noise that is already present the preferred solution is to prevent the occurrence of noise in the signal in the first place The following practices some of which are required for CE compliance shoul...

Страница 22: ...ceptions as noted The software is usually purchased when the hardware is ordered but should your acquisition needs change additional software packages can be ordered at a later time Reference Notes Fo...

Страница 23: ...o your test Acquis ition configuration involves selecting desired acquisition parameters from user friendly menus Features Real time FFT analysis Easy to use graphical user interface provides fast set...

Страница 24: ...can be in a remote location Each client eZ TOMAS Remote communicates with eZ TOMAS via TCP IP Features Transient and Steady State rotating machinery analysis Easy to use graphical user interface and...

Страница 25: ...calculating the change in vibration condition based on adding trial weights The balance process is a series of well defined steps Accelerometers velocity probes or displacement probes may be used to...

Страница 26: ...ystem compares the results to the acoustic signature of a known good part Testing a part takes less than one second and requires no special tooling dyes chemicals cleaning magnetization or expensive a...

Страница 27: ...rocedures Product Care IOtech 652u and 655u are essentially maintenance free and require only a minimal amount of care The 652u and 655u should be treated much like any other high tech piece of equipm...

Страница 28: ...Windows control panel such as interrupts and address settings for our hardware and others Results of tests such as the Daq Configuration control panel Hardware setup and software configuration Inform...

Страница 29: ...ions Analog Specifications Analog Vibration Measurements ADC converter resolution 24 bits ADC converter type Delta sigma Sample rates up to 105 468 samples per second Sample rate accuracy 50ppm Channe...

Страница 30: ...64k FFT Figure 8 Analog Measurement Flatness Total harmonic distortion 100dB typical 1kHz 97dB typical 10kHz Figure 7 Measurement THD N SFDR including harmonics 108dB typical DC to 50kHz SFDR 60dB 12...

Страница 31: ...to earth ground or high to RTD excitation low 3V DC or rms AC Channels may be of mixed type different TC types and or RTD Thermocouples 655u TC Measurement Uncertainty 1 sigma C Ambient 23 C 15 C exc...

Страница 32: ...ust be installed Installation instructions are provided on page 3 6 Following a drastic rapid change in ambient temperature of the 655u s environment allow the unit to stabilize to the new ambient bef...

Страница 33: ...lled low Connector DB 9 female figure Input Modes 2 programmable input modes 1 asynchronous under program control at any time relative to analog scanning 2 synchronous with analog scanning Input Prote...

Страница 34: ...r Response 1 Fig 2 Measurement Delay vs Frequency DC Coupled 2 Fig 3 Measurement Delay vs Frequency AC Coupled 2 Fig 4 Antialiasing Attenuation 3 Fig 5 Antialiasing Filter Analog Input Circuit Respons...

Страница 35: ...655u User s Manual 2 0E 6 1 5E 6 1 0E 6 500 0E 9 20 0E 21 0 10000 20000 30000 40000 50000 Delay sec Frequency Hz Fig 2 Measurement Delay vs Frequency DC Coupled 000 0E 0 1 0E 6 2 0E 6 3 0E 6 4 0E 6 5...

Страница 36: ...b 3 120 100 80 60 40 20 0 0 2 000 000 4 000 000 6 000 000 8 000 000 10 000 000 Attenuation dB Frequency Hz Fig 4 Antialiasing Attenuation 70 60 50 40 30 20 10 0 10 1 000 10 000 100 000 1 000 000 10 0...

Страница 37: ...2u and 655u User s Manual 120 100 80 60 40 20 0 1 000 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 10 000 Attenuation dBFS Frequency kHz Fig 6 High Frequency Artifacts 110 105 100 95 90 85 80 75 70...

Страница 38: ...791 Specifications Plotted Data 7 b 5 Fig 9 SFDR Full Scale is 29dBV Input is 30dBV 0 1 0 08 0 06 0 04 0 02 0 0 02 0 04 0 06 0 08 0 1 100 1000 10000 100000 Error dB Frequency Fig 8 Analog Measurement...

Страница 39: ...Fig 10 Channel to Channel Crosstalk 1 2 1 3 1 4 1 5 2 1 2 3 2 4 2 5 3 1 3 2 3 4 3 5 4 1 4 2 Specification 100dB typical Measurement noise Legend Format aggressor victim 1 5 1 0 0 5 0 0 0 5 1 0 1 5 1 1...

Страница 40: ...b 7 Fig 13 Digital I O I V Curve 15 10 5 0 5 10 15 1 0 1 2 3 4 5 Volts Current mA Digital Input Digital Output High Digital Output Low Common Mode Voltage 6V RMS 120 100 80 60 40 20 0 1 10 100 1 000...

Страница 41: ...Manager The navigation path is Start Settings Control Panel System Hardware Tab Device Manager DaqX PnP Devices You will see the device listed as 652u or 655u as applicable You can now change the dev...

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