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Intab PC-logger 3150, Как пользоваться инструкцией

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iii 

CONTENTS 

 

 

MAIN UNIT......................................................................1 

1 

AN OVERVIEW .............................................................................................................................. 1 

1.1  G

ENERAL 

I

NFORMATION

................................................................................................................ 1 

1.2  O

N

-

LINE 

R

ECORDINGS

.................................................................................................................... 2 

1.3  O

FF

-

LINE 

R

ECORDINGS

.................................................................................................................. 2 

1.4  S

TORAGE 

C

APACITY

....................................................................................................................... 2 

1.4.1 

Storage capacity in Computer ............................................................................................. 3 

1.4.2 

Storage Capacity in the PC-Logger 3150............................................................................ 3 

1.5  B

LOCK 

D

IAGRAM

........................................................................................................................... 4 

1.6  D

ISPLAY AND 

K

EYS 

(

OPTION

)......................................................................................................... 5 

1.6  P

OWER SUPPLY

............................................................................................................................... 6 

2 

INPUTS/RANGES ........................................................................................................................... 7 

2.1  R

ANGES

:

 

V

OLTAGE AND 

C

URRENT

................................................................................................. 8 

3 

CONNECTIONS .............................................................................................................................. 9 

3.1  P

OWER

........................................................................................................................................... 9 

3.2  C

OMPUTER

..................................................................................................................................... 9 

3.3  I

NPUTS

......................................................................................................................................... 10 

3.3.1 

Differential Inputs.............................................................................................................. 11 

3.3.2 

Common Mode................................................................................................................... 12 

3.4  S

ENSOR 

C

ONNECTION 

E

XAMPLES

................................................................................................ 13 

3.4.1 

Connecting 20mA current loops ........................................................................................ 13 

3.4.2 

Connecting Voltage Signals............................................................................................... 15 

3.5  C

OMMON CONNECTION ERRORS

................................................................................................... 16 

4 

STARTING RECORDINGS......................................................................................................... 19 

4.1  S

TART 

T

RIG

.................................................................................................................................. 19 

4.1.1 

Start on key-stroke ............................................................................................................. 19 

4.1.2 

Start on digital input .......................................................................................................... 20 

4.1.3 

Start on Analog Level ........................................................................................................ 20 

4.1.4 

Digital and Level Start combined ...................................................................................... 20 

4.2  S

TOP 

T

RIG

.................................................................................................................................... 20 

4.2.1 

Stop on key-stroke .............................................................................................................. 20 

4.2.2 

Stop on Digital Signal........................................................................................................ 21 

4.2.3 

Stop on Analog Level ......................................................................................................... 21 

4.2.4 

Stop when Memory Full. .................................................................................................... 21 

4.3  T

RIG 

W

INDOW 

-

 

P

RE

/P

OST 

T

RIG 

R

ECORDING

............................................................................... 22 

4.4  Illustration: Start, Stop and Trig Sequences........................................................................... 23 

4.5  T

RIG 

O

UTPUT

............................................................................................................................... 24 

5 

MISCELLANEOUS....................................................................................................................... 25 

5.1  M

ASTER 

R

ESET

............................................................................................................................ 25 

5.2  C

ONTROL 

P

ROGRAM

.................................................................................................................... 25 

6 

TECHNICAL SPECIFICATIONS............................................................................................... 26 

6.1  ANALOG

 

CIRCUITS ................................................................................................................. 26 

6.2  A

UXILIARY VOLTAGE SOURCE

...................................................................................................... 27 

6.3  T

RIGGER INPUT

/

OUTPUT

............................................................................................................... 27 

6.4  S

TORAGE MEMORY 

(

OPTIONAL

).................................................................................................... 28 

6.5  C

OMPUTER COMMUNICATION

....................................................................................................... 28 

6.6  C

OMMANDS

.................................................................................................................................. 28 

Содержание PC-logger 3150

Страница 1: ...How to use PC logger 3150 Hardware with accessories Interface Teknik AB Gjutarev gen 1 SE 443 61 STENKULLEN Tel 46 0 302 246 00 www intab se info intab se Rev E January 2003...

Страница 2: ...o Use PC Logger 3150 How to connect sensors and transducers correctly EasyView manual A tutorial guide to a user friendly expert data analysis program Command Manual Describes the ASCII strings used b...

Страница 3: ...cting Voltage Signals 15 3 5 COMMON CONNECTION ERRORS 16 4 STARTING RECORDINGS 19 4 1 START TRIG 19 4 1 1 Start on key stroke 19 4 1 2 Start on digital input 20 4 1 3 Start on Analog Level 20 4 1 4 Di...

Страница 4: ...compatible inputs 32 2 COUNTERS 33 2 1 RESET MODE 33 2 2 NORMAL MODE 33 3 CONNECTIONS 34 3 1 DIGITAL OUTPUTS 35 3 2 DIGITAL INPUTS 35 3 2 1 Opto Isolated 36 3 2 2 TTL Compatible 36 4 TECHNICAL DATA 37...

Страница 5: ...nected computer Max speed has to be determined by experiment Main features are 8 analog inputs Programmable ranges on all inputs 12 bit ADC Off line memory data storage optional Trigger input and outp...

Страница 6: ...These parameters contain among others see program manual information about measurement interval and what channels that are to be active They are effective until a new set of parameters are downloaded...

Страница 7: ...he number of active channels I S 2 C Apply this to a hard disk and you will find that storage space will last a very long time Remember that total storage time in a disk is the sum of all recordings Y...

Страница 8: ...computer Measurement data will also not be lost if the internal batteries run down A back up lithium battery will retain data for more than 10 years 1 5 Block Diagram This illustration shows a simplif...

Страница 9: ...transducer connections and function before recording is started You scroll up and down among the channels using the up down keys Automatic scrolling is started with the key hidden under the logo A new...

Страница 10: ...should be left on charge to prolong their life and keep them ready to use at all times Some applications require the PC Logger 3150 to be powered by other sources Use a cable fitted with a TA3F Switc...

Страница 11: ...nded All analog inputs are differential and have no internal connection to signal ground The impedance between the positive and negative inputs to ground is of the order of several megohms They must t...

Страница 12: ...into measured units this can be illustrated like this RANGE RESOLUTION ACCURACY 10V 1000mV 100mV 50mV 20mA 5 5mV 0 55mV 0 055mV 30 V 11 A 0 12 of FSR 0 12 of FSR 0 12 of FSR 0 12 of FSR 0 12 of FSR Ea...

Страница 13: ...0V 18 24VDC N B Connecting power through pin 3 is an alternative to pin 1 3 2 Computer PC Logger 3150 connects to a serial port of the computer using the supplied spiral cable The 15 pin D Sub connec...

Страница 14: ...tage for the Trig input T in T in is a trigger input to start or stop recordings G is the signal return ground for trig signals T out is an output reflecting trig status V Out is an auxiliary voltage...

Страница 15: ...easures the voltage between the GND and The difference between these two voltages is then calculated internally From the above it must be obvious that just applying a voltage between and cannot possib...

Страница 16: ...out 3 3 2 Common Mode To maintain accuracy in your measurements you have to take the common mode range into account The common mode range is 10V This is another way of looking at or taking advantage...

Страница 17: ...e ways than one It cannot be stressed enough that it is necessary to have a diagram of the system from which these signals emanate in order to connect multiple signals correctly Remember that the 51 s...

Страница 18: ...s using power from V out The auxiliary Voltage output V out can power 20mA transmitters Make sure that the voltage is sufficient for your x mitter 4 Connecting two wire mA transmitters powered by exte...

Страница 19: ...irectly connected 1 Connecting signals with common grounding Note that only one of the Diff Gnd switches is in position Gnd This will establish a good reference potential for both channels 2 Connectin...

Страница 20: ...ff Gnd switches Measured values may be either unstable or inaccurate Solution break the ground loop by putting one of the switches in the Diff position 2 Floating signal no connection to system ground...

Страница 21: ...ulting in inaccurate readings Solution 1 move other instruments to positive side of channel Solution 2 use isolation amplifiers 4 Absurd value when measuring in current loop defect x mitter The logger...

Страница 22: ...er f ex load cell or pressure transducer may be shorted by mistake The V out negative terminal is internally connected to logger ground By connecting the negative input by placing the switch in the Gn...

Страница 23: ...see program manual Start and Stop parameters are particular to the f version of the PC Logger 3150 How they work is explained below Start and Stop levels are programmed in the Activate channels part...

Страница 24: ...above a set level or under another set level If these two levels are set to 2V and 3V respectively the recording will not start as long as the signal is inside this range A signal below 2V or above 3...

Страница 25: ...el An example may be in place A voltage being monitored should vary between 4V and 8V Any value below 4V or above 8V indicates a malfunctioning The recording should stop after such an event so that da...

Страница 26: ...ence between the total and pre trig time The recording started with the trig window active will first go through a pre amble corresponding to the pre trig period when it is insensitive to stop trigs A...

Страница 27: ...23 MAIN UNIT 4 STARTING RECORDINGS 4 4 Illustration Start Stop and Trig Sequences...

Страница 28: ...will go low to indicate that a stop trig condition has occurred By connecting this output to the digital trig input of another F and using these properties it is possible to start the recording of two...

Страница 29: ...gger 3150 You will then have to re boot the program from your computer Make sure that you have the correct version of the PC Logger 3150 program installed the name of the bootable file is BFA_ LDM whe...

Страница 30: ...nce Max overvoltage Max overcurrent 20mA range min 400k betw and min 5M betw and GND and betw and GND Current inputs are shunted by 51 30V 80mA Ranges Factory set or programmable Voltages Current 50mV...

Страница 31: ...C 50mV range 100mV range 1000mV range 10V range 20mA range all ranges 10V 10V 10V 5V 10V min 80dB 6 2 Auxiliary voltage source Voltage Current 2 10V adjustable Max 100mA using supplied PSU Max 200mA u...

Страница 32: ...s transferred in a serial form to and from the computer The serial standard conforms to a subset of RS 232 Format 8 bit ASCII 1 start bit 8 data bits 1 stop bit 19200 baud Signals Tx 2 pin no Rx 3 CTS...

Страница 33: ...29 MAIN UNIT 6 TECHNICAL SPECIFICATIONS 6 7 Power Voltage 13 16 VDC Operating current Max 500 mA 6 8 Mechanical specifications Example Width 165 mm Length 315 mm Height 50 mm Weight 1 7 Kg...

Страница 34: ......

Страница 35: ...ot supported by existing software This card is available in two versions with or without counters A fully equipped card has the following I O s 4 digital outputs relays 8 digital inputs 6 of which can...

Страница 36: ...with filters for electrically noisy environments 1 2 1 Opto isolated inputs The Opto isolated inputs DI1 DI8 are used to detect high level 10V signals or where isolation is essential The a and b input...

Страница 37: ...y are therefore an excellent example of how the counters can be used to measure flow 2 1 Reset mode Reset mode will reset or zero the counters as soon as their value is taken care of This value is the...

Страница 38: ...adaptor is able to supply and never more than 500mA Terminal configuration is shown in the illustration below DI 8b DI 8a DO 4b DO 4a DO 3b DO 3a DO 2b DO 2a DI 7b DI 7a DI 6b DI 6a DI 5b DI 5a DO 1b...

Страница 39: ...These potential free contacts are accessible on DO1a b DO4a b see figure RELAY SPST DO a DO b Switching Capability Power 30W 50VA Voltage 125V AC 150V DC Current 1 25A AC DC 3 2 Digital inputs The fi...

Страница 40: ...r that mechanical contacts always bounce when brought together This bouncing will unless filtered result in a burst rather than one pulse VO GND OR DI b DI a PULSE MAX 24V OPTO ISOLATION ANY POLARITY...

Страница 41: ...1 Opto Isolated Inputs No of inputs Low level High level Max input voltage Impedance Input current Max frequency 8 Max 4V Min 8V 30V Min 1k Ohms Max 30mA at 30V in Min 30kHz at duty cycle 50 4 2 2 TT...

Страница 42: ...INTAB Interface Teknik AB 4 3 Auxiliary Power 4 3 1 for Opto Couplers Voltage mains adaptor output max 15V Current mains adaptor rating 300mA or max 200mA 4 3 2 for TTL Inputs Voltage 4 6V Impedance...

Страница 43: ...achable 10 Diff Gnd 10 Diff Gnd 12 16 difference 12 Differential 12 Differential Inputs 11 digital I O interface 31 digital inputs 32 DIP switch 8 dip switches 11 DTR 9 duration 2 E endless 22 endless...

Страница 44: ...ric 14 ratiometric transducers 16 READY FOR STOP 20 real time 2 re boot 26 rechargeable batteries 6 Record 5 relay 31 resolution 8 27 RS 232 2 Rx 9 S schematic diagram 14 screw terminals 10 serial por...

Страница 45: ...nections 5 transmitter 18 transmitters 15 trickle charged 6 trig output 25 Trig Window 23 TTL compatible inputs 36 Tx 9 U Uncertainty 28 W window 23 Volt Current 10 Voltage signals 16 V out 13 V Out 1...

Страница 46: ...42 INTAB Interface Teknik AB...

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