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TiePie WiFiScope WS6 DIFF Manual

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Summary of Contents for TiePie WiFiScope WS6 DIFF

  • Page 1 WiFiScope WS6 DIFF User manual Network WiFi Battery power TiePie engineering...
  • Page 2 Copyright ©2020 TiePie engineering. All rights reserved. Revision 2.27, February 2020 Despite the care taken for the compilation of this user man- ual, TiePie engineering can not be held responsible for any damage resulting from errors that may appear in this man- ual.

  • Page 3: Table Of Contents

    Contents Welcome Safety Declaration of conformity Introduction Differential input ......4.1.1 SafeGround on each channel .
  • Page 4 6.4.2 The computer/laptop has NO WiFi ... . Connect via USB ......6.5.1 Plug into a different USB port .
  • Page 5 11.3 Trigger system ......11.4 Power ....... . . 11.5 Multi-instrument synchronization .
  • Page 7 Welcome Wireless measuring has now become a reality with the WiFiScope WS6 DIFF. If a large distance needs to be bridged between the measuring instrument and the PC, the WiFiScope WS6 DIFF is the solution for this. Fast measurements and high speed data acquisition are now possible wherever the WiFiScope WS6 DIFF is lo- cated in the world.
  • Page 8 Chapter 1...
  • Page 9 Do not use the equipment if it does not operate properly. Have the equip- ment inspected by qualified service personal. If necessary, return the equip- ment to TiePie engineering for service and repair to ensure that safety fea- tures are maintained.

  • Page 11: Declaration Of Conformity

    8601 WL Sneek The Netherlands EC Declaration of conformity We declare, on our own responsibility, that the product WiFiScope WS6 DIFF-1000(XM/E/S/G) WiFiScope WS6 DIFF-500(XM/S/G) WiFiScope WS6 DIFF-200(XM/S/G) for which this declaration is valid, is in compliance with EC directive 2011/65/EU (the RoHS directive)
  • Page 12 In order to avoid release of such substances into the environment and to reduce the use of natural resources, recycle the WiFiScope WS6 DIFF in an appropriate system that will ensure that most of the materials are reused or recycled appro- priately.
  • Page 13 The shown symbol indicates that the WiFiScope WS6 DIFF complies with the Euro- pean Union’s requirements according to Directive 2002/96/EC on waste electrical and electronic equipment (WEEE). Declaration of conformity...
  • Page 14 Chapter 3...

  • Page 15: Introduction

    It can be connected to the computer via USB, wired ethernet and WiFi. When used via WiFi, the WiFiScope WS6 DIFF can be connected to an existing WiFi network or can act as access point to create its own WiFi network.
  • Page 16 When used via WiFi, maximum streaming rates will be lower and will depend on WiFi signal strength, distance to access point and network load. The WiFiScope WS6 DIFF is available with two memory configurations, these are: Measuring Model...

  • Page 17: Differential Input

    With the accompanying software the WiFiScope WS6 DIFF can be used as an os- cilloscope, a spectrum analyzer, a true RMS voltmeter or a transient recorder. All instruments measure by sampling the input signals, digitizing the values, process them, save them and display them.
  • Page 18 by connecting one of the channels to one point and another channel to the other point and then use the math function CH1 - CH2 in the oscilloscope to display the actual voltage difference. There are some disadvantages to this method: •...

  • Page 19: Safeground On Each Channel

    4.1.1 SafeGround on each channel The SafeGround protected ground feature of the WiFiScope WS6 DIFF allows to switch the differential inputs to single ended inputs. This enables to perform single ended measurements as well as using (attenuating) oscilloscope probes. SafeGround can be enabled for each channel individually.

  • Page 20: Differential Attenuators

    WiFiScope WS6 DIFF. 4.1.2 Differential attenuators To increase the input range of the WiFiScope WS6 DIFF, it comes with a differential 1:10 attenuator for each channel. This differential attenuator is specially designed to be used with the WiFiScope WS6 DIFF.

  • Page 21: Differential Test Lead

    4.1.3 Differential test lead The WiFiScope WS6 DIFF comes with a special differential test lead. This test lead is specially designed to ensure a good CMRR. The special heat resistant differential test lead provided with the WiFiScope WS6 DIFF is designed to be immune for noise from the surrounding environment.

  • Page 22: Sampling Rate

    the smaller the voltage steps in which the input range of the instrument is divided. The acquired numbers can be used for various purposes, e.g. to create a graph. Figure 4.8: Sampling The sine wave in figure is sampled at the dot positions. By connecting the adjacent samples, the original signal can be reconstructed from the samples.

  • Page 23: Aliasing

    Figure 4.10: The effect of the sampling rate The sampling rate must be higher than 2 times the highest frequency in the input signal. This is called the Nyquist frequency. Theoretically it is possible to recon- struct the input signal with more than 2 samples per period. In practice, 10 to 20 samples per period are recommended to be able to examine the signal thor- oughly.

  • Page 24: Digitizing

    Figure 4.11: Aliasing In figure 4.11, the green input signal (top) is a triangular signal with a frequency of 1.25 kHz. The signal is sampled with a rate of 1 kSa/s. The corresponding sam- pling interval is 1/1000Hz = 1ms. The positions at which the signal is sampled are depicted with the blue dots.

  • Page 25: Signal Coupling

    16384 = 24.41 µV. Signal coupling The WiFiScope WS6 DIFF has two different settings for the signal coupling: AC and DC. In the setting DC, the signal is directly coupled to the input circuit. All signal components available in the input signal will arrive at the input circuit and will be measured.
  • Page 26 1 kHz square wave signal. This signal is available at pin 3 of the 9 pin extension connector at the rear of the WiFiScope WS6 DIFF. Then adjust the probe for a square front corner on the square wave displayed.
  • Page 27 Figure 4.15: over compensated Introduction...
  • Page 28 Chapter 4...

  • Page 29: Driver Installation

    Introduction To operate a WiFiScope WS6 DIFF via USB, a driver is required to interface between the measurement software and the instrument. This driver takes care of the low level communication between the computer and the instrument, through USB.
  • Page 30 To remove the old driver successfully, it is essential that the WiFiScope WS6 DIFF is disconnected from the computer prior to starting the driver install utility. When the WiFiScope WS6 DIFF is used with an external power supply, this must be disconnected too.
  • Page 31 Figure 5.3: Driver install: Finished Driver installation...
  • Page 32 Chapter 5...

  • Page 33: Hardware Installation

    • via the USB interface When using the WiFiScope WS6 DIFF via its battery, no external power is required. The power consumption of the WiFiScope WS6 DIFF depends heavily on the set- tings of the instrument, when using higher sampling rates the instrument uses more power.

  • Page 34: Charging The Battery

    6.1.2 Long term storage When storing the WiFiScope WS6 DIFF for a long time, it is recommended to first charge the battery to approximately 70 %. Do not store the WiFiScope WS6 DIFF for a long time with an empty battery or 100 % fully charged battery, as this may reduce battery capacity.

  • Page 35: Instrument Operation Mode

    Instrument operation mode The WiFiScope WS6 DIFF has a USB interface and a network interface, used to con- nect to the instrument via LAN or WiFi. The Power/Mode button at the front panel determines if the WiFiScope WS6 DIFF operates as USB instrument or as network (LAN or WiFi) instrument.

  • Page 36: Connect Via Lan

    Connect via LAN To use the WiFiScope WS6 DIFF via the LAN, connect the WiFiScope WS6 DIFF LAN port on the rear panel to the LAN via a network cable. The WiFiScope WS6 DIFF network interface must be enabled via the Power/Mode button on the front panel of the instrument.

  • Page 37: Connect Via Wifi

    In the Multi Channel software open the Manage instruments dialog and check Seach instruments in local network. Place a check in front of the detected WiFiScope WS6 DIFF. It may take a few seconds to discover the instrument. The software will now ask how to connect to the WiFiScope WS6 DIFF, select Add WifiScope to the ’WiFi’...

  • Page 38: The Computer/Laptop Has No Wifi

    In the Multi Channel software open the Manage instruments dialog and check Seach instruments in local network. Place a check in front of the detected WiFiScope WS6 DIFF. It may take a few seconds to discover the instrument. If the computer is currently connected to a WiFi network, the software will ask how to connect to the WiFiScope WS6 DIFF, select Add WifiScope to...
  • Page 39 In the web interface, connect to the WiFi network using the connect button (and enter its password if required) When successfully connected, close the web interface and disconnect the LAN cable. The Multi Channel software will now detect the WiFiScope WS6 DIFF via WiFi, this may take a few seconds. Hardware installation...

  • Page 40: Connect Via Usb

    TiePie engineering. Operating conditions The WiFiScope WS6 DIFF is ready for use as soon as the software is started. How- ever, to achieve rated accuracy, allow the instrument to settle for 20 minutes. If the instrument has been subjected to extreme temperatures, allow additional time for internal temperatures to stabilize.

  • Page 41: Instrument Ground Compensation

    Figure 7.1: Ground compensation The 1.5 m long ground compensation cable has a 2 mm banana plug at one end, that plugs into the small banana socket at the rear of the WiFiScope WS6 DIFF. Figure 7.2: Rear ground connection The other end has a 4 mm banana plug that connects to an alligator clip that can be connected to the ground of the test subject.

  • Page 42: When Is The Ground Compensation Not Required

    When the WiFiScope WS6 DIFF operates on battery power only • When the input range of the WiFiScope WS6 DIFF is set to 20 V or higher Why ground compensation? Mains power supplies usually have noise filtering capacitors between the mains input and the output.

  • Page 43: Combining Instruments

    (LAN or WiFi), combining is not possible. The CMI (Combine Multiple Instruments) interface that is available by default on the WiFiScope WS6 DIFF provides an easy way to couple multiple oscilloscopes to one combined oscilloscope. Figure 8.1: CMI diagram The CMI interface supports automatic recognition of the instrument.
  • Page 44 When combining one or more WiFiScope WS6 DIFFs with other instruments includ- ing Handyscope HS5s and/or WiFiScope WS5s, the daisy chained CMI bus must begin or end with a Handyscope HS6 DIFF, WiFiScope WS6, WiFiScope WS6 DIFF, Automotive Test Scope ATS610004D-XMSG, Automotive Test Scope ATS605004D- XMS, Automotive Test Scope ATS610004DW-XMSG or Automotive Test Scope ATS605004DW- XMS.

  • Page 45: Front Panel

    The Power/Mode button is situated at the right of the front of the instrument. It is used to switch the mode of the WiFiScope WS6 DIFF between USB use and LAN or WiFi use. To use the WiFiScope WS6 DIFF via LAN or WiFi, the network interface must be enabled, by pressing the Power/Mode button.

  • Page 46: Wifi

    When lit continuously blue, the WiFiScope WS6 DIFF is assigned a link local address. 9.3.3 WiFi When the WiFi indicator is lit, the WiFiScope WS6 DIFF is connected to the com- puter and measuring via a WiFi network. The color indicates how the instrument operates: •...

  • Page 47: Rear Panel

    10.1 Power The WiFiScope WS6 DIFF can be powered by its internal battery, via a dedicated power input at the rear panel and via the USB interface. To charge the battery, connect the external power supply. The battery can also be charged via the USB, but only if the USB can deliver enough power to operate the instrument and charge the battery.

  • Page 48: Power Adapter

    10.2 Figure 10.4: USB connector The WiFiScope WS6 DIFF is equipped with a USB 3.0 Super speed (5 Gbit/s) inter- face with a USB 3 type B Super speed socket. It will also work on a computer with a USB 2.0 interface, but will then operate at 480 Mbit/s.

  • Page 49: Extension Connector

    10.4 Extension Connector Figure 10.6: Extension connector A 9 pin female D-sub connector is available at the back of the WiFiScope WS6 DIFF containing the following signals: Description Description Description EXT 1 (LVTTL) reserved EXT 2 (LVTTL) reserved Power OUT (see description)

  • Page 50: Cmi

    10.6 The WiFiScope WS6 DIFF has two Combine Multiple Instruments interface (CMI) connectors at the rear of the instrument. These connectors are used to combine multiple instruments to a single combined instrument to perform synchronized measurements. This requires a TP-C50H coupling cable per two instruments.

  • Page 51: Specifications

    Specifications To achieve rated accuracy, allow the instrument to settle for 20 minutes. When subjected to extreme temperatures, allow extra time for internal temperatures to stabilize. Because of temperature compensated calibration, the WiFiScope WS6 DIFF will settle within specified accuracy regardless of the surrounding tempera- ture.

  • Page 52: Acquisition System (Continued)

    11.2 Acquisition system (continued) Maximum sampling rate WS6D-1000 WS6D-500 WS6D-200 8 bit Measuring 1 channel 1 GSa/s 500 MSa/s 200 MSa/s Measuring 2 channels 500 MSa/s 200 MSa/s 100 MSa/s Measuring 3 or 4 channels 200 MSa/s 100 MSa/s 50 MSa/s 12 bit Measuring 1 channel 500 MSa/s...

  • Page 53: Trigger System

    11.3 Trigger system System Digital, 2 levels Source CH1, CH2, CH3, CH4, digital external, OR Trigger modes Rising edge, falling edge, any edge, inside window, outside window, enter window, exit window, pulse width Level adjustment 0 to 100% of full scale Hysteresis adjustment 0 to 100% of full scale Resolution...

  • Page 54: Probe Calibration

    11.6 Probe calibration Output Extension connector pins 3 (signal) and 6 (ground) Signal Square wave Level -1 V to 1 V Frequency 1 kHz 11.7 Physical Height 44 mm / 1.7” Length 187 mm / 7.4” Width 215 mm / 8.5” Weight 751 g / 26.5 ounce USB cord length...

  • Page 55: Certifications And Compliances

    Color Black Heat resistant Certification and compliances CE conformity RoHS Accessories Color coding rings 5 x 3 rings, various colors Suitable instrument WiFiScope WS6 DIFF 11.14 Differential attenuators Model TP-DA10 Attenuation 10 x, differential Bandwidth 25 MHz Input impedance 10 MΩ // 15 pF...

  • Page 56: Package Contents

    11.16 Warranty TiePie engineering instruments are designed, manufactured and tested to provide high reliability. In the un- likely event you experience difficulties, the TiePie engineering instruments are fully warranted for two years. This warranty includes All parts and labor (excluding probes and/or measure leads and/or batteries) Warranty on batteries is 6 months.
  • Page 57 If you have any suggestions and/or remarks regarding this manual, please contact: TiePie engineering Koperslagersstraat 37 8601 WL SNEEK The Netherlands Tel.: +31 515 415 416 Fax: +31 515 418 819 E-mail: support@tiepie.nl Site: www.tiepie.com...
  • Page 58 TiePie engineering WiFiScope WS6 DIFF instrument manual revision 2.27, February 2020...

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