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Sefram

CHAPITRE 5. ADVANCED FEATURES

Chapitre 5

Advanced features

5.1

|

Sensors library

Each measurement is associated with a sensor.

To access the sensor library, go to

Configuration > Channel > Sensors library

A table listing all sensors and their parameters is shown on this page.

F

IGURE

5.1 : Sensors library table

You can search for sensors already in the library by name

(1)

or filter the information given by column for each

sensor

(2).

To modify the parameters of an existing sensor, press

(3)

5.1.1

How to add a 4-20 mA pressure sensor with 50 ohm shunt

ò

To carry out a current measurement (excluding clamp), it is essential to have a shunt plugged in the
channel input. A shunt is a resistor used to convert current into voltage, so that the measurement
can be acquired by the device.

To create a new 4-20 mA pressure sensor, click on "Create sensor" and fill in the following parameters :

DAS

User manual

44

Содержание Sefram DAS1800

Страница 1: ...User manual DAS1800 High Speed Modular Data Acquisition Recorder bkprecision com sefram com...

Страница 2: ...in this chapter carefully before using your Data Acquisition System The table below describes the symbols used on the device Symbol Description Warning Earth ground Chassis ground Earth terminal Direc...

Страница 3: ...attery Category II CAT II defines measuring instruments whose measurement inputs are intended to be con nected to the mains supply via a standard wall socket or similar sources Examples include portab...

Страница 4: ...out by qualified maintenance personnel trained in the risks involved when instrument covers and screen are removed Under certain conditions even with the power cord removed dangerous voltages may exi...

Страница 5: ...o not use the instrument in the presence of flammable gases or vapors fumes or fine particles In relative humidity conditions outside instrument specifications In environments where there is a risk of...

Страница 6: ...ld of the instrument or that the instrument is disturbed by an electrical device The instrument may only be operated by qualified personnel The test leads used to connect the instrument to the test po...

Страница 7: ...commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to r...

Страница 8: ...18 2 3 Interface and ergonomic 18 2 3 1 Touch control 18 2 3 2 Sounds 18 2 4 Interface layout 19 2 4 1 Navigation 19 2 4 2 Status 19 2 4 3 Notifications 19 2 4 4 User fields 19 2 5 Built in help 19 2...

Страница 9: ...4 20 mA pressure sensor with 50 ohm shunt 44 5 2 Alarms setting available in a later version 46 5 2 1 4 logic output Alarms 46 5 3 Remote control 46 5 3 1 Web server 47 5 4 SCPI protocol 49 5 5 Physic...

Страница 10: ...ranty 68 10 1 2 After sales contact 69 10 1 3 In case of breakdown 69 10 1 4 Packaging 69 10 1 5 LCD Display Defects 69 10 2 For users based in America 70 10 2 1 Warranty 70 10 2 2 Packaging 71 10 2 3...

Страница 11: ...3 14 Trigger on level 31 3 15 Trigger on slope 32 3 16 Combination of conditions 33 3 17 Pre trigger 33 3 18 Inhibit function 34 3 19 Post trigger 34 3 20 Creation of configuration file 35 4 1 Real ti...

Страница 12: ...2 Network configuration page 58 7 3 Enp2s0 Interface 59 7 4 Fixed IP address setting 60 7 5 Manual IP configuration of PC and the recorder 60 7 6 User level 61 7 7 Cr er un rapport de bogue 62 10 1 D...

Страница 13: ...Sefram LIST OF TABLES List of Tables 1 1 Symbols on the device 2 1 2 Symbols in the manual 2 2 1 Specifications 16 5 1 SCPI request description 51 5 2 SCPI command description 52 DAS User manual 13...

Страница 14: ...rical networks etc makes it ideal for a wide range of industrial applications maintenance R D production etc The choice of la carte acquisition configurations gives the system great versatility with t...

Страница 15: ...in connector x8 with multiplexed board Pair of male banana plug connectors x4 for universal and high voltage acquisition boards FIGURE 2 2 Supplied accessories 2 2 2 Acquisition modules When ordering...

Страница 16: ...differential channels 4 isolated differential channels 4 isolated single pole channels Maximum voltage 600V DC or 424V RMS 48V DC 1000V DC or 424V RMS 600V DC or 424V RMS Maximum sampling rate 1MSa s...

Страница 17: ...nal display 4 USB port for connecting mouse keyboard USB sticks or Wi Fi option x4 5 Acquisition boards FIGURE 2 5 Interfaces vue arri re Symbol Description 1 Sub D25 connector for logical channel inp...

Страница 18: ...le soon Battery option allows the instrument to work without power cord to a electrical grid A battery charge status LED is present on the device FIGURE 2 6 Battery LED Status Description Off No batte...

Страница 19: ...duct events end of recording file saving etc 2 4 4 User fields The value of a user field is taken into account as soon as editing is complete No further validation is required When the value is incorr...

Страница 20: ...uide the module to the backplane to connect to the connector 2 Press to ensure a good connection Once connected use a Phillips screwdriver to tighten the two screws on either side of the module 3 Modu...

Страница 21: ...ccess the contents of the working directory 3 3 2 1 Working directory To create a measurement campaign folder and define it as a working directory go to the disk memory folder sda1 The working directo...

Страница 22: ...lect it then click on choose as working directory Figure 3 4 File creation as working directory 3 3 Channels and measurements A channel corresponds to a physical input to the device It is identified b...

Страница 23: ...the display of information given in columns 2 Single channel parameters are displayed as rows in the table 3 Most parameters can be edited from this table allowing you to define all the settings requ...

Страница 24: ...oing to measure then the sensor used 4 To add a sensor not present in the library click on the pencil icon and go to the sensor library section for more details Define the measurement range to be disp...

Страница 25: ...e s 25 pin D Sub connector To access digital channel settings press Configuration Channels Digital The optional digital channel cable accessory allows all digital channels to be wired using standard b...

Страница 26: ...shown in diagram 3 Next define the type of measurands to be displayed and or recorded 4 Note that Frequency Counter and PWM measurands will be available in a later version You can also activate measu...

Страница 27: ...Date suffix If the box is checked the file name will be automatically followed by the date and time of the start of recording pressing the Start recording button independently of any triggers in the...

Страница 28: ...e evaluated Recording duration if the channel configuration changes the recording duration will be retained and the size of the recording file will be reassessed Please note that if you add measuremen...

Страница 29: ...orded as they are not activated in a frequency group The sampling frequency is limited and depends on the acquisition card used 1MSa s for the univer sal card It is independent of the recording freque...

Страница 30: ...er 2 3 7 1 Manual Users can start and stop recording themselves using the start stop button at the top right of the screen 3 7 2 Start at date FIGURE 3 13 Start a date The user can define a calendar d...

Страница 31: ...alue 2 In the example above recording will be triggered if the voltage measurement on channel 1 exceeds 25V It is possible to activate a duration on this condition In this case the user defines a time...

Страница 32: ...window trigger also define the physical channel and associated measurement to which you wish to apply the recording condition 1 Choose window 2 Combination of trigger conditions It is possible to comb...

Страница 33: ...the trigger condition The user can configure the duration of this window 1 Please note that if the event before the pre trigger duration has been met its duration will be shorter unless the inhibit op...

Страница 34: ...ondition has been triggered FIGURE 3 19 Post trigger 3 7 8 Setting save You can save a acquisition configuration file 1 with all the parameters defined for an acquisition it can be recalled later by i...

Страница 35: ...ater by importing it 3 Network Time synchronization Screen Keyboard Sounds You can reset the settings when necessary 4 Figure 3 20 Creation of configuration file When a configuration file is created i...

Страница 36: ...ea by pressing and holding There are 4 real time display modes F t oscilloscope mode to display measurements as a function of time in the form of a waveform 2 XY avalaible in a later version mode to d...

Страница 37: ...tput on the unit to transfer the image to a display FIGURE 4 2 DMM Display To display measurements in numerical format simply press and drag the measurement over the graphic area A bar graph shows whe...

Страница 38: ...ic format F t Scrolling waveform display Live record Full waveform display Image import an image in jpg png or svg format The widgets and layout parameters allow you to create a synoptic supervision d...

Страница 39: ...device or on a PC via DASpro software is similar To display the measurement drag and drop it into the graph area 1 and adjust the desired scale using the various touch gestures FIGURE 4 5 Min and max...

Страница 40: ...or further apart on the Y ordinate axis amplitude it s possible to zoom in and out between the defined limits 1 The same applies to the X axis to change the time base 2 On a computer or if a mouse is...

Страница 41: ...of colors background image etc Shows hides vertical and horizontal cursors Displays hides full name of displayed measurement s with access to display parameters Displays hides predefined mathematical...

Страница 42: ...d transfer it to your computer go to File Manager from the main navigation bar Press DISK to access the entire contents of the device s internal memory Select the desired file 1 and press COPY TO USB...

Страница 43: ...HAPITRE 4 MEASUREMENT DATA DISPLAY Then go to Configuration Remote FTP Activate the FTP protocol setting a password if necessary By default the connection is in anonymous mode on port 20 21 DAS User m...

Страница 44: ...n the library by name 1 or filter the information given by column for each sensor 2 To modify the parameters of an existing sensor press 3 5 1 1 How to add a 4 20 mA pressure sensor with 50 ohm shunt...

Страница 45: ...fields 4 If the unit is not available in the drop down list you can add it manually The Min and Max fields correspond to the display range of the measured variable 5 If the measured value is outside...

Страница 46: ...output Alarms Alarms A B C and D send a TTL voltage signal when the set event occurs FIGURE 5 5 Sorties alarmes When activating a logic output you must first define the alarm type 1 Trigger condition...

Страница 47: ...enu 2 FIGURE 5 6 Web server Real time visualization and file retrieval are not available To view your measurement data in real time use the VNC viewer shown below VNC viewer You can also use the VNC v...

Страница 48: ...E 5 7 New VNC viewer connection The new connection appears in the list click to connect You can secure your connection with a password FIGURE 5 8 Connection You can then operate the device with full a...

Страница 49: ...series of one or more keywords many of which take parameters See wikipedia description 5 5 Physical layer SCIPI is based over the LAN interface that can be connected via a commercial RJ 45 cable to a...

Страница 50: ...ere are several types of data items Alphanumerical data 1 to 12 character words that can be alphabetical upper or lower case digital or the character 95d A word always starts with an alphabetical char...

Страница 51: ...nth Year 30 12 2022 HOUrs Return the current time Hour Minutes Seconds 09 53 37 RDC Read all measurements values Measurement name type and values separated by comma Ch_B1 Direct 0 1514 Ch_B2 Direct 8...

Страница 52: ...frequency Frequency Hz MEMSpeed 10000 START MANual Start recording START MANual STOP MANual Stop recording STOP MANual SCREEN Change current screen REplay SETUP SCOpe SCREEN SCO FILE NAMe Set record...

Страница 53: ...Send extractCmd cmd tn write cmd encode a s c i i res tn read_until b n TIMEOUT decode a s c i i i f len res 0 p r i n t Timeout time sleep 1 else p r i n t Rcv res return res class scpi object def _...

Страница 54: ...Sefram CHAPITRE 5 ADVANCED FEATURES Figure 5 10 SCPI user interface DAS User manual 54...

Страница 55: ...n be verified using MDF Validator 2 9 10 6 3 Interoperability Our MDF4 files can be read by the following tools Flexpro NI DIAdem Matlab Vehicle Network Toolbox Python Asammdf Turbolab MDF4 LIB Other...

Страница 56: ...heelSpeed speed p l o t important_signals WheelSpeed VehicleSpeed VehicleAcceleration get short measurement with a subset of channels from 10s to 12s short mdf f i l t e r important_signals cut s t a...

Страница 57: ...to the Internet and will automatically fetch the latest update file from the url presented Load from USB stick 2 retrieve the update file from https www sefram com en software updates html and copy it...

Страница 58: ...1 Give your network a name 3 The name must begin with a letter and be at least 254 characters long It cannot be composed solely of letters or numbers The device must be restarted for the new network...

Страница 59: ...tomatically assign an available network address to your device thus avoiding address conflicts In some cases if the user does not have access to the corporate network a point to point connection is re...

Страница 60: ...E 7 SYSTEM FIGURE 7 4 Fixed IP address setting The device is connected to the PC via ethernet cable and the configurations are as follows FIGURE 7 5 Manual IP configuration of PC and the recorder DAS...

Страница 61: ...functions and information The aim is to simplify the user interface as required Figure 7 6 User level 7 5 1 Viewer level The device is virtually read only The user can only start or stop recording He...

Страница 62: ...d configuration files in the report 1 This will give SEFRAM all the information it needs for a complete diagnosis Then press Save Report 2 which will create a compressed folder of type xxxx bugreport...

Страница 63: ...Sefram CHAPTER 8 TECHNICAL SPECIFICATIONS Chapter 8 Technical specifications DAS User manual 63...

Страница 64: ...f Acquisition Notify rearm trigger Real Time Measure Display Mode F t Roll mode 100 ms div to 10 min div Scope mode 10 s div to 50 ms div DMM Acquisition time 200ms 10 NPLC2 at 50Hz 2s 100 NPLC2 at 50...

Страница 65: ...o 2498 F T 200 C to 400 C 328 F to 752 F S 50 C to 1760 C 58 F to 3200 F B 200 C to 1820 C 392 F to 3308 F E 250 C to 1000 C 418 F to 1832 F N 250 C to 1300 C 418 F to 2372 F R 50 C to 1768 C 58 F to...

Страница 66: ...ernal external other channel Accuracy3 1 25 C Type J 210 C to 1200 C 346 F to 2192 F K 250 C to 1370 C 418 F to 2498 F T 200 C to 400 C 328 F to 752 F S 50 C to 1760 C 58 F to 3200 F B 200 C to 1820 C...

Страница 67: ...a period of 12 months from first use under normal conditions of use We recommend checking after 12 months without exceeding 24 months of use Then every 12 months beyond 24 months When checking charac...

Страница 68: ...T ETIENNE CEDEX 2 For customers in North America please return the device to the address mentionned below and follow the instructions given on our website https www bkprecision com support B K Precisi...

Страница 69: ...er sales contact Help with operation and malfunctions In the event of a malfunction please check the software version of your device first or contact our technical support if you have problems using i...

Страница 70: ...any leads probes connectors and accessories that you are using with the device Non Warranty Service Please go to the support and service section on our website at bkprecision com to obtain an RMA Ret...

Страница 71: ...The user is responsible for returning the device to our premises He must therefore ensure that the packaging provides adequate protection during transport We recommend us ing the original packaging T...

Страница 72: ...els in total and fewer than 3 contiguous pixels Zone B total screen area less than 9 defective pixels over the entire screen area with Zone A conditions met Defective pixels are defined as a point on...

Страница 73: ...ram CHAPITRE 11 ANNEXES Chapitre 11 Annexes 11 1 Revisions Version and date Firmware version associated Modified chapters Modification type 1 0 October 2023 1 0 x All Document creation DAS User manual...

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