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IOtech WaveBook 512, Руководство пользователя

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3-14    WaveBook Operation Reference                                         

03-06-02

WaveBook/512 and WaveBook/512H

The time needed to complete the final pre-trigger scan is part of the trigger latency; and so, in the pre/post-
trigger mode, the trigger latency may be greatly increased.

Not only do the trigger latency and jitter depend on the pre- vs post-trigger type of acquisition, they also
depend on the trigger source: Software, digital (TTL), single-channel (Channel 1 analog), or multi-channel.
The following table gives the trigger latency and jitter for each of the different trigger sources and
acquisition modes:

Acquisition Type

Trigger Source

Max. Trigger Latency

Trigger Jitter

Notes

Software

100 µs + T

100 µs + T

a, c

Digital (TTL)

200 ns + T

50 ns + T

c

Single-Channel

300 ns + T

50 ns + T

c

Multi-Channel

2 * T - NS µs

T

c, d

Pre-Trigger

Software

100 µs

100 µs

a

Digital (TTL)

200 ns

50 ns

Single-Channel

300 ns

50 ns

Multi-Channel

2 * NC + 3 µs

NC +2 µs

b

Post-Trigger (N-Shot,

N-Shot with re-arm, or
infinite-post-trigger)

Notes: a) Software trigger latency and jitter depend greatly on the host computer's speed, operating system, and

printer-port protocol.  Most systems should take much less than 100 µs.

b) NC is the number of channel samples used for multi-channel triggering, from 1 to 72, as specified by the trigger

configuration.

c) T is the pre-trigger scan period.

d) NS is the number of samples in a scan including, if present, the first "dummy" sample, from 1 to 128.

Programmable Features

Channels can be configured through your own custom programs or through the included out-of-the-box
WaveView software.  WaveView includes a Channel Configuration screen (following figure) that allows
you to turn channels ON or OFF, select channel ranges, change channel labels, and select engineering units.

Reference Note:
The WaveView document module contains more detailed information.  Individuals who write
their own programs should refer to the readme.txt file [on the install CD-ROM] in regard to
the location of API reference material, including program examples.

Configuring Channels from WaveView’s Main Window

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание WaveBook 512

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...smart approach to instrumentation IOtech Inc 25971 Cannon Road Cleveland OH 44146 1833 Phone 440 439 4091 Fax 440 439 4093 E mail sales iotech com Internet www iotech com WaveBook User s Manual WaveB...

Страница 3: ...WaveBook User s Manual 481 0901 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 4: ...t 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...

Страница 5: ...document includes an operational reference and a chapter on troubleshooting and customer support The following PDFs are companion documents PDF WaveView and WaveCal Discusses how to install and use t...

Страница 6: ...ways other than described in this manual can cause personal injury or equipment damage Pay special attention to all cautions and warnings Reference Notes Information not available at the time of publi...

Страница 7: ...vi WaveBook User s Manual 03 08 02 WaveBook 512 and WaveBook 512H Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 8: ...a WaveBook System Daisy Chain 2 7 How Channel Numbers are Determined 2 7 Stacking Modules 2 8 Connecting the System to Power 2 9 Calculating the System Power Requirement 2 9 System Examples 2 11 Powe...

Страница 9: ...atic Discharge ESD Handling Notice 5 1 Product Care 5 1 ReadMe Files and the Install CD ROM 5 2 Driver Support 5 2 Connection Problems 5 2 Frequently Asked Questions 5 7 Customer Support 5 11 Appendix...

Страница 10: ...y module DBK34 or DBK34A uninterruptible power supply modules Easy Connection to Notebook or Desktop PCs Analog Input Channels BNC connectors keep input signals isolated from the chassis and commons H...

Страница 11: ...D accuracy 0 025 FS Data packing Yes 20 kHz low pass filter optional Analog input channels 8 DE Differential amplifiers 1 shared by all 8 inputs PGAs 1 shared by all 8 inputs Maximum capacity 72 Chan...

Страница 12: ...ncurrent 150 ns capture of multiple input channels and virtually eliminate channel to channel time skewing WBK12 and WBK12A Programmable Low Pass Filter Card 8 channels WBK13 and WBK13A Programmable L...

Страница 13: ...2H WBK20A WBK21 WBK20A PCMCIA EPP Interface Card for linking WaveBook to a Notebook PC WBK21 ISA EPP Interface Plug in Board For linking WaveBook to a desktop PC These devices are shipped with separat...

Страница 14: ...quisition system The relationship can be broken down into enhancement expansion or both The following illustrates the relationship of various system components Detailed information and product specifi...

Страница 15: ...ook 512 and WaveBook 512H General Power Consumption 0 9A max 15 VDC Input Power Range 10 to 30 VDC Operating Temperature 0 to 50 C Storage Temperature 0 to 70 C Humidity 0 to 95 RH non condensing Dime...

Страница 16: ...your system s power requirements This chapter pertains to setting up a WaveBook system Topics include how to connect a WaveBook to a PC add option cards and modules properly power a system install sof...

Страница 17: ...d parallel cables will not work properly primarily due to a lack of shielding Note that cables CA 35 2 and CA 35 6 are 1284 compliant These are 2 and 6 foot cables respectively Connecting the Communic...

Страница 18: ...located on J10 and J11 provide signal pass through when a WBK option card is not installed Refer to the following figure and steps to install an option card into a WaveBook 512 WBK10 or WBK10H module...

Страница 19: ...annels WBK10 WBK10H WBK10A Expansion Modules WBK14 Dynamic Signal Conditioning Module WBK15 8 Slot 5B Signal Conditioning Module WBK16 Strain Gage Module WBK17 Counter Input Module with Quadrature Enc...

Страница 20: ...cting your devices to power calculate your system s power requirements as discussed in upcoming section of this chapter Note that three examples of system setups follow shortly Using Shielded BNC Conn...

Страница 21: ...driven from the main unit s control output Control inputs of additional WBK modules are driven from the preceding unit s control output CA 150 Expansion Signal Cables Expansion signals are carried by...

Страница 22: ...WBK 17 24 3 rd WBK 25 32 4 th WBK 33 40 5 th WBK 41 48 6 th WBK 49 56 7 th WBK 57 64 8 th WBK 65 72 How Channel Numbers are Determined The analog input channel numbers are determined by the order of...

Страница 23: ...and the necessary mounting screws A Fastener Panel Handle p n HA 111 is also available from the factory HA 111 consists of 1 handle and two mounting screws The previous figure illustrates the simplic...

Страница 24: ...ed before proceeding Higher voltages draw fewer Amps for the same power Remember Watts voltage x current W E I The TR 40U power adapter provides power that is sufficient for the WaveBooks and WaveBook...

Страница 25: ...K15 WBK16 Maximum Amps It is important to supply your system with adequate reliable power For this reason you need to know your system s power requirement Knowing the power requirement is also importa...

Страница 26: ...amps does exceed the TR40U 2 2 amp limit For this reason the WBK14s are receiving power from a second TR 40U Reference Note Although the preceding examples make use of TR 40U power adapters other pow...

Страница 27: ...2H Reference Note Although the preceding examples make use TR 40U power adapters other power sources can be used These options are discussed in the following section Power Supplies Artisan Technology...

Страница 28: ...s for use with WaveBook expansion WBK modules and transducers DBK30A shares the same base dimensions as other WaveBook products allowing for convenient stacking Note that stacking can be easily accomp...

Страница 29: ...ansion products Unless you need 28 V leave the unit in the 14 VDC mode Use of the 28 VDC mode results in a lower runtime as only one battery pack can be used for 14 VDC When in the 14 VDC mode both pa...

Страница 30: ...se of the 28 VDC mode is to provide excitation for bridge type sensors such as load cells strain gages and other devices that may be attached to 5B modules inside a WBK15 Excitation voltage from DBK30...

Страница 31: ...harging time is increased If AC power is interrupted a new charge cycle will begin automatically when AC power returns 87 21 Even with the AC adapter the batteries will eventually discharge under a Wa...

Страница 32: ...The unit s rugged metal package has a compatible 8 11 footprint for convenient stacking with Velcro tabs and optional splice plates and handles for carrying Main and auxiliary power input comes from...

Страница 33: ...jumper to short terminals 8 and 7 Power Power In 12 or 24 VDC only Connect MAIN POWER INPUT positive to Terminal 3 of TB1 Connect MAIN POWER INPUT negative to Terminal 5 of TB1 TB1 s Terminal 4 is re...

Страница 34: ...A or greater Runtime Approximate runtime under various loads can be computed from the storage capacity 5 A hr in 12 V mode 2 5 A hr in 24 V mode and the load main unit and other DBKs The following Loa...

Страница 35: ...e the DBK34A s cover plate This requires the removal of 4 screws 2 per side 3 Examine the fuses F1 through F4 to see which if any have blown Note that you can usually see the blown element through the...

Страница 36: ...95 98 Me NT 2000 systems is located in the Windows Control Panel It allows you to add or remove a device and change configuration settings The included test utility provides feedback on the validity...

Страница 37: ...e function described above Close The Close button may be used at any time to exit the Daq Configuration applet Daq Configuration Device Inventory Dialog Box Select Device Type Dialog Box This dialog b...

Страница 38: ...anges Apply Click on the Apply button to store the configuration Or you can click the following tab Test Hardware Click on the Test Hardware tab to test the current stored configuration for the device...

Страница 39: ...to port hardware capabilities WBK30 FIFO Test This performance test checks the data storing capabilities of the optional WBK30 memory card Note that the figure to the right represents results from a p...

Страница 40: ...el Expansion Chassis Expansion Module WBK11 WBK11A 8 Channel SSH Cards Signal Conditioning Card WBK12 WBK12A 8 Channel Programmable Low Pass Filter Cards Signal Conditioning Card WBK13 WBK13A 8 Channe...

Страница 41: ...er BNC connector is buffered and then switched by the channel selection multiplexer The selected differential pair is then converted to a single ended signal by the programmable gain amplifier PGA and...

Страница 42: ...ely until the start of the next sample then selects the input channel PGA gain level shifter offset A D input source The control and timing circuit conveys this information to any attached expansion u...

Страница 43: ...e not shown to the same scale WBK10 WBK10H and WBK10A Analog Expansion Modules 8 Channels via BNC Connectors Each WBK10 series module can be used to provide WaveBook with 8 additional differential ana...

Страница 44: ...s of 5B Modules available for your application WBK16 Strain Gage Module 8 channels via Standard Female DB9 WBK16 is an 8 channel strain gage signal conditioning module Up to eight WBK16 modules 64 cha...

Страница 45: ...el high voltage adapters that can be used with the WaveBook or WBK10 10H 10A expansion modules In addition WBK61 and WBK62 can be used in conjunction with WBK11 WBK12 and WBK13 series cards WBK61 and...

Страница 46: ...ommon is isolated from ANALOG COMMON by 10 9 in parallel with 0 1 F For WaveBook or WBK10 10H to correctly measure analog signals each signal must be within 11 volts of ANALOG COMMON The following not...

Страница 47: ...otal three Digital Grounds pins 20 24 and 25 Digital I O Connections WaveBook 512 D8 D15 Digital I O data lines A0 A4 Digital I O address lines EN Active low digital I O enable RD Active low read stro...

Страница 48: ...L and 300 ns for analog If collecting pre trigger data then triggers are not acted upon until the end of the current pre trigger scan This increases the trigger latency and jitter but preserves the sp...

Страница 49: ...ysteresis it can then again produce a trigger by rising above the trigger level Multi Channel Trigger When the small hardware limited latencies of the digital TTL and single channel Channel 1 analog t...

Страница 50: ...nals Initialization level or edge specifies the sequence necessary for a signal to be a valid trigger Level triggers become valid as soon as they reach or exceed the trigger level even if they are alr...

Страница 51: ...becomes valid it stays valid waiting for the other triggers to become valid until WaveBook is triggered and the acquisition completes If the trigger is non latched instead of latched the channel may n...

Страница 52: ...ion is complete Trigger Latency Jitter Trigger latency and jitter depend on the trigger source and the acquisition mode Trigger latency is the duration between the valid trigger and the start of the a...

Страница 53: ...s a Software trigger latency and jitter depend greatly on the host computer s speed operating system and printer port protocol Most systems should take much less than 100 s b NC is the number of chann...

Страница 54: ...appears you must click OK to continue cycling Note You can use the mX b equation to adjust a channel s scale and offset You can enter user defined units from the mX b dialog box An example of using m...

Страница 55: ...right you can enter values for m and b components of the equation that will be applied to the data There is also an entry field that allows you to enter a label for the new units that may result from...

Страница 56: ...ade clear by the following example Example An engineer has a pressure transducer that produces a voltage output of 10 5 volts when the measured pressure is 3200 psi The same transducer produces an out...

Страница 57: ...3 18 WaveBook Operation Reference 03 06 02 WaveBook 512 and WaveBook 512H Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 58: ...d eZ View provide a means of viewing and analyzing data that was previously acquired with WaveView WaveView is detailed in the WaveView WaveCal Document Module which is loaded onto your hard drive as...

Страница 59: ...information from your sales representative DaqX Language Drivers for Programmers No programming knowledge is required for using WaveBook in conjunction with the included Out of the Box software packa...

Страница 60: ...guidelines include the use of properly grounded mats and wrist straps ESD bags and cartons and related procedures Product Care WaveBooks and WBK options are essentially maintenance free and require a...

Страница 61: ...f a device is not configured correctly it will not be accessible from an application If communications cannot be established with the WaveBook or if trying to connect causes the system to hang or cras...

Страница 62: ...lem only with the number displayed and does not affect the actual filter setting passed down to the driver Conversion to Snap Master format from the menu option is not supported Snap Master format con...

Страница 63: ...PP or ECP printer ports Printer Port Input Output Range Interrupt Request LPT1 0378 037B or 037F 7 LPT2 0278 027B or 027F 5 LPT3 03BC 03BF 7 shares with LPT1 If the settings do not correspond to those...

Страница 64: ...let It is possible that a connection may not be made Before doing anything else try the following Recheck your parallel port cable and the power supply so you are certain that the connection is tight...

Страница 65: ...tion verify that the parallel port drivers are installed by going to control panel devices hardware profiles parallel port If the drivers are not installed then you need to resolve this issue with you...

Страница 66: ...f WaveView DaqX software Answer You can download the latest versions from our website This service is free 3 Topic WBK14 Dynamic Signal Conditioning Module Question Why can t I use the external clock...

Страница 67: ...capable of ECP communications This can be done as follows 1 Locate the LPT port communications chip on the main board near the connector that the parallel cable connects to The chip is relatively larg...

Страница 68: ...cture the system is still slower than I require What else can I do Answer One option is to install a WBK30 memory card This increases the FIFO buffer inside the WaveBook While this option does not inc...

Страница 69: ...not influence transfer speeds per se it will benefit the Windows operating system in operational areas other than transfer speed Note that processor speed usually has less bearing on transfer rates th...

Страница 70: ...mpedance ranges noise content and common mode voltages The name of a contact person from your company who can discuss the problems encountered Instructions for return shipping All troubleshooting note...

Страница 71: ...5 12 Troubleshooting 03 06 02 WaveBook User s Manual IO version Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 72: ...ensional Drawings A 1 Appendix A Dimensional Drawings Dimensions for WaveBook 512 and WaveBook 512H Note Dimensions are in inches Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU...

Страница 73: ...A 2 Dimensional Drawings 03 04 02 WaveBook Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 74: ...order to prevent an undesirable interaction between the two stages Also see Buffer Channel In reference to data acquisition channel simply refers to a single input or output entity In a broader sense...

Страница 75: ...of an electrostatic charge between bodies having different electrostatic potentials This transfer occurs during direct contact of the bodies or when induced by an electrostatic field ESD energy can da...

Страница 76: ...atch the counter value into the acquisition stream Terminal Count In relation to theWBK17 this signal is generated by the counter value There are only two possible values for the terminal count 65 535...

Страница 77: ...G 4 Glossary 03 04 02 Data Acquisition Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 78: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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