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DEWE-43

 

Page 4                                                 

Dewe-43 Technical reference manual 

 
 
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Use Slovenian law for duplication or disclosure. 
DEWESOFT d.o.o. 
Gabrsko 11a 
1420 Trbovlje 
Slovenia 
 
 

Printing History: 
 

Version 2.6 
Released JUL, 2017

 

 
Copyright © 2017 DEWESOFT d.o.o. 
 
This document contains information which is protected by copyright.  All rights 
are reserved.  Reproduction, adaptation, or translation without prior written 
permission is prohibited, except as allowed under the copyright laws. 
All trademarks and registered trademarks are acknowledged to be the property of 
their owners. 
 

Содержание DEWE-43

Страница 1: ...unique data acquisition systems These are top quality instruments which are designed to provide you years of reliable service This guide has been prepared to help you get the most from your investmen...

Страница 2: ...3 1 Hardware revisions 11 4 Device operation 20 4 1 Connectors 21 4 2 Typical sensor connection 22 Bridge sensor connection 24 5 Driver installation 27 6 Using DEWE 43 in DEWESoft 29 6 1 Before using...

Страница 3: ...hall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory in connection with the furnishing of this document or th...

Страница 4: ...History Version 2 6 Released JUL 2017 Copyright 2017 DEWESOFT d o o This document contains information which is protected by copyright All rights are reserved Reproduction adaptation or translation w...

Страница 5: ...NGS The following general safety precautions must be observed during all phases of operation service and repair of this product Failure to comply with these precautions or with specific warnings elsew...

Страница 6: ...operly handled at it s end of life Please recycle this product in an appropriate way to avoid an unnecessary pollution of the environment and to keep natural resources This symbol indicates that this...

Страница 7: ...rained personnel If necessary return the product to DEWESoft sales and service office for service and repair to ensure that safety features are maintained Keep away from live circuits Operating person...

Страница 8: ...safety features are maintained Before opening the instrument experts only or exchanging the fuse in the power module disconnect power Don t touch internal wiring Don t use higher supply voltage than...

Страница 9: ...r supply 5V 0 1 bridge sensor supply Overvoltage protection 70V input protection Dynamic range 107dB 10V range DC accuracy 10 V range 0 05 of value 1 mV 1 V range 0 05 of value 0 2 mV 100 mV range 0 0...

Страница 10: ...ation Pull up with 100k Input low level 0 7V to 0 7V Input high level 2V to 5V Overvoltage protection 30V input protection CAN bus Number of ports 2 Interface type CAN 2 0B up to 1 MBit sec Special ap...

Страница 11: ...SO POWER Added isolated power supply Analog input configuration Block diagram of analog input all analog inputs are identical ADC AGND AGND IN IN Input Termination Overvoltage Protection Pre filter Di...

Страница 12: ...The bandwidth between 0 Hz and the Nyquist frequency is called Nyquist bandwidth Signals exceeding this frequency range can not be converted correctly by the sampler For example the sample rate is 10...

Страница 13: ...digital anti aliasing filter This filter has no phase error and an extremely flat frequency response It also has an extremely sharp roll off near the cutoff frequency 0 38 to 0 494 times the sample r...

Страница 14: ...DEWE 43 Page 14 Dewe 43 Technical reference manual Sample rate 51 2kS s to 102 4kS s Sample rate 102 4kS s to 200kS s...

Страница 15: ...and 12 8 MHz 128 x 100 kHz this signal will be aliased into the passband region of the digital filter and is not rejected The analog filter removes these components before they get to the digital filt...

Страница 16: ...DEWE 43 Page 16 Dewe 43 Technical reference manual Idle channel noise input terminated with 50...

Страница 17: ...Printing version 2 6 JUL2017 Spectral noise 50 termination 8 averages 16k lines 50kS s Spectral noise 50 termination 10 averages 16k lines 100kS s Spectral noise 50 termination 10 averages 16k lines...

Страница 18: ...ge ranges will be clipped and introduced as large errors that can be easily identified in frequency spectrum The figure bellow show the allowable common mode input voltages for various input voltages...

Страница 19: ...ction like simple event counting up down counting and gated event counting also period time pulse width two edge separation frequency and all encoder measurements are supported All counter inputs can...

Страница 20: ...DEWE 43 Page 20 Dewe 43 Technical reference manual 4 Device operation Top side connectors Side connectors Power USB Sync Common GND...

Страница 21: ...4 1 2 5 Pin Assignment 1 5V 2 CAN_LOW 3 DGND 4 RES 5 RES 6 DGND 7 CAN_HIGH 8 RES 9 12V Counter input mating cable connector FGG 1B 307CLAD52 6 7 3 4 1 2 5 PinAssignment 1 IN0 A 2 IN1 B 3 IN2 Z 4 RES...

Страница 22: ...DEWE 43 Page 22 Dewe 43 Technical reference manual 4 2 Typical sensor connection For correct measurements it is highly recommended to ground the DEWE 43 with GND banana plug on the side...

Страница 23: ...ometer sensor connection Connector Connector Exc IN Sns IN 2 1 7 Sns Exc 6 3 8 SHD GND 4 Important If sensors or other signal sources with isolated external power supply are used ground signals of DEW...

Страница 24: ...SHD GND 4 Sensor 4 wire sensor connection Connector Connector Exc IN Sense IN 7 1 2 Sense Exc 6 3 8 SHD GND 4 Half bridge 10V excitation Sensor 3 wire sensor connection Connector Connector Exc IN Sens...

Страница 25: ...se Exc 6 3 8 SHD GND 4 Note Bridge completion needs to be done in the connector Full bridge 5V excitation The excitation level between EXC and EXC is 10 V If lower excitation 5V is needed please conne...

Страница 26: ...sor Bridge Adapter Sensor 3 wire sensor connection with DeweSoft Bridge Completion Adapter Connector Exc IN Sns IN 7 1 2 Sns Exc 6 3 8 SHD GND 4 5 8 2 Bridge Adapter 3 wire sensor connection with Dewe...

Страница 27: ...l the driver of DEWE 43 please connect the device to the PC with USB cable If the driver is not installed the following message will appear Press No not this time and click Next to continue Select Ins...

Страница 28: ...reference manual The driver should be located on the system CD You can either point out this location or just simply select Search removable media The installation procedure will install the driver Fi...

Страница 29: ...is connected before the device is connected via USB to the computer 6 2 Hardware setup To enable analog input and counter in DEWESoft go to System Hardware setup and choose DEWESoft USB device To enab...

Страница 30: ...h system 6 2 1 Start up of the device Please connect the power supply of the device prior to connecting it to the USB Then make sure that the device is connected to the PC when starting up DEWESoft If...

Страница 31: ...Page 31 Printing version 2 6 JUL2017 If you plan to simply review the files please select Demo mode If you plan to do a measurement connect the device and click refresh button...

Страница 32: ...inputs The use of analog inputs CAN inputs and digital interface is the same as with all other DAQ devices which are supported in DEWESoft Please consult DEWESoft user s manual for more information If...

Страница 33: ...acquiring data and the USB connection is lost the acquisition will stop In this case reconnect the unit and restart the acquisition with reconnect button In this case if the data was being stored the...

Страница 34: ...download the latest firmware from DEWESoft web site Then run USB Firmware Upgrade Tool program Next select DEWESoft USB in the Device combo box Press button select _xxx fwu file and click Open Press...

Страница 35: ...instrument in DEWESoft please go to System Hardware setup and follow the instruction from user s manual to select DEWESoft USB device in Analog and CAN tab sheet If they are selected deselect the DAQP...

Страница 36: ...ort of MSI adapters and digital inputs With the purchase of DEWE 43 you are entitled for free upgrades of the software and firmware within all DEWESoft versions 6 and 7 In DEWESoft 7 select the 43 lik...

Страница 37: ...Page 37 Printing version 2 6 JUL2017...

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