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DTS SLICE MICRO User Manual

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SLICE User's Manual
Version 1.0i
July 2017
© Diversified Technical Systems, Inc. - All Rights Reserved

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  • Page 1 SLICE User’s Manual Version 1.0i July 2017 © Diversified Technical Systems, Inc. - All Rights Reserved...

  • Page 2: Table Of Contents

    July 2017 Table of Contents 1. Contacting Technical Support ..................4 2. SLICE Overview ......................5 2.1. SLICE MICRO and SLICE NANO ................5 2.2. SLICE Modular Concept ..................5 2.3. SLICE Basic Hardware Components ..............7 2.3.1. Base+ SLICE ....................7 2.3.2.
  • Page 3 SLICE User’s Manual July 2017 Appendix A: SLICE Technical & Mechanical Specifications ..........30 Appendix B: End-of-Chain (EOC) Terminal ..............36 Appendix C: SLICE USB Interface ................. 37 Appendix D: SLICE Ethernet Interface ................39 Appendix E: SLICE Grounding Recommendations ............41 Appendix F: SLICE Bridge Sensor Connections ...............

  • Page 4: Contacting Technical Support

    DTS has support engineers worldwide with extensive product knowledge and crash test experience to help via telephone, e-mail or on-site visits. The best way to contact a DTS support engineer is to submit a request through the DTS Help Center web portal (support.dtsweb.com). You must be registered (support.dtsweb.com/registration) to submit a request...

  • Page 5: Slice Overview

    SLICE comes in two sizes: • SLICE MICRO (42 x 42 mm) • SLICE NANO (26 x 31 mm) They have the exact same function and circuit boards inside. SLICE MICRO has built- in connectors; SLICE NANO has wires with connectors. 31 mm...
  • Page 6 SLICE User’s Manual July 2017 SLICE NANO SLICE MICRO SLICE BRIDGE Stack Stack modules Up to (8) per “Stack” SLICE BASE module (1) per “Stack” Example SLICE set-up with multiple Stacks: • SLICE Stacks are mounted to the device under test and chained together.

  • Page 7: Slice Basic Hardware Components

    16 GB flash data memory standard (15 GB available for data storage) • USB hub • Power conditioning • Control signals A Base+ SLICE MICRO is shown below. Connector to Bridge SLICE or other SLICE SLICE Bus input module Up to PC...
  • Page 8 SLICE User’s Manual July 2017 # of Maximum Sampling Rate Channels* (per channel) 500,000 samples per second (sps) 400,000 sps 300,000 sps 200,000 sps 200,000 sps 200,000 sps 200,000 sps 200,000 sps * All channels are recorded even if they are not programmed. How to Calculate Maximum Storage Times With 15 GB available for data storage, there are a total of 7.5 G samples available in each Base+ SLICE (1 sample = 2 bytes).

  • Page 9: Bridge Slice

    3 channels of analog input • Sensor excitation • Software adjustable gain, anti-alias filters, offset, and shunt check • TEDS sensor ID A Bridge SLICE MICRO is shown below. Connector to next SLICE input module Sensor input channels 2.3.3. IEPE SLICE See Appendix A for detailed specifications.

  • Page 10: Accel Slice

    ARS PRO SLICE The ARS SLICE has Bridge SLICE electronics with the addition of a built-in 3-axis angular rate sensor. The following specifications apply: • Uses DTS ARS PRO (see http://dtsweb.com/products/dtsars.php) • Options from 300 to 8000 deg/sec • DC response 2.3.6.

  • Page 11: Stack Extender

    SLICE system. It is ruggedized for high shock use. Maximum channels: 1 chain x 2 Stacks x 8 Bridge SLICEs x 3 chan/Bridge = 48 channels To DN port on Base+ SLICE MICRO or NANO Connections: • 2 SLICE Stack chain •...

  • Page 12: Slice Distributor

    The SLICE Distributor serves as a single interface supporting power, Ethernet communications and status signals for an extended SLICE system. It supports in excess of 200 channels via four SLICE MICRO/NANO chains (four stacks per chain), and is designed to integrate in-dummy and withstand high shock environments.

  • Page 13: Slice Ethernet Interface

    SLICE User’s Manual July 2017 2.3.11. SLICE Ethernet Interface See Appendix D for detailed specifications. The SLICE Ethernet Interface allows the connection of two SLICE chains. It is meant for bench-top use and is not ruggedized. Maximum channels: 2 chains x 3 Stacks x 8 Bridge SLICEs x 3 chan/Bridge = 144 channels Connections: •...

  • Page 14: Slice Micro And Nano Connectors

    Finger actuated retention latch Exposed sockets Recessed pins 2.4. Batteries DTS offers some commercial-off-the-shelf batteries for operation of SLICE systems. Batteries must be disconnected from the SLICE system before connecting to a charger. 2.4.1. 9.6 V Rechargeable NiMH Batteries •...

  • Page 15: Rechargeable Lithium-Polymer Batteries

    Available in 3 capacities: 2200, 4400, and 6600 mAh 2.5. SLICE Software See the SLICEWare User’s Manual for detailed information. Appendices G and H provide information regarding file formats. See the DTS Support site for information on how to update firmware. The SLICEWare software application allows for easy: •...

  • Page 16: Mounting And Connecting Slice Hardware

    500 g. If you have purchased a specialized high g SLICE NANO system, it can be used in environments up to 5,000 g if proper care is taken. Please contact DTS if you have any questions about using SLICE in high g environments.

  • Page 17: Slice Connectors And Cables

    Connectors are available direct from Omnetics or can be purchased from DTS. Below are the connector types used by SLICE. See Appendix A for complete DTS part number information. support.dtsweb.com Version 1.0i...

  • Page 18: Slice Cables

    DTS provides a number of different SLICE cable options depending on the connection needs. SLICE Stack-to-Stack connection cables are shown below. SLICE MICRO Base units can be connected together via a daisy-chain cable. SLICE NANO Base units can be connected to each other directly or via a daisy- chain extension cable.

  • Page 19: Power Requirements

    SLICE User’s Manual July 2017 3.4. Power Requirements The SLICE system runs on DC power. Acceptable input power can range from 9 V minimum to 15 or 18 V maximum, depending on the accessories used with your system. Do not exceed the maximum input power for the accessory you are using. To calculate the rough power needs for a particular system, use the information below: POWE R RE QUIREMENTS...

  • Page 20: Using The End-Of-Chain (Eoc) Terminal

    3.5. Using the End-of-Chain (EOC) Terminal A diagram showing connections using the EOC Terminal is shown below. Notes: • Although this shows a SLICE MICRO system, connections with a SLICE NANO are similar. • The EOC Terminal is a shock rated item.

  • Page 21: Using The Slice Usb Interface

    SLICE User’s Manual July 2017 To DN port on the last Base+ SLICE MICRO or NANO in a SLICE chain See Appendix B for detailed information on the SLICE End-of-Chain Terminal. 3.6. Using the SLICE USB Interface The SLICE USB Interface is designed for bench-top, non-rugged use. See the example diagram below.

  • Page 22: Using The Slice Ethernet Interface

    SLICE User’s Manual July 2017 Notes: • Although this shows a SLICE MICRO, connections with a SLICE NANO are similar. • The SLICE USB Interface is NOT a shock rated item. • Voltage input can be with the included power supply a battery, or any voltage source between 9 and 15 VDC.

  • Page 23: Using The Slice Distributor

    SLICE User’s Manual July 2017 • The AUX connector is a standard D-sub HD15. This can be used to hardwire a Start Record or Event switch or monitor the Status line. 3.8. Using the SLICE Distributor The SLICE Distributor allows for the connection of up to 4 SLICE chains and converts the communications signals from USB to Ethernet.

  • Page 24: Sensor Id And Supported Sensor Types

    SLICE uses EID chips from Maxim IC, model DS2401 (see http://www.maxim- ic.com/quick_view2.cfm/qv_pk/2903). To make soldering of the EID easier, DTS provides EID microcards, which have a chip scale packaged DS2401 soldered to a circuit board with wires attached (see below).

  • Page 25: Supported Sensor Types

    SLICE User’s Manual July 2017 EID “microcard” soldered to pins 4 and 6 Omnetics 7-pin Sensor Connector 4.2. Supported Sensor Types The Bridge SLICE supplies 5 VDC excitation up to 20 mA and supports many types of accelerometers, load cells, pressure sensors and other sensor types. The following general sensor types are supported: •...

  • Page 26: Software

    July 2017 5. Software See the SLICEWare User’s Manual for detailed information. Appendices G and H provide information regarding file formats. See the DTS Support site for information on how to update firmware. 5.1. Basic Requirements SLICEWare is a Windows ®...

  • Page 27: Continuous Recorder Mode

    SLICE User’s Manual July 2017 Hybrid Recorder mode starts when a Start Record signal is received and continues until the unit receives a trigger signal and then records for the post-trigger time specified by the host software. The trigger signal marks the T=0 point and all data recorded is available for download.

  • Page 28: Powering Up Slice

    This section covers what to expect when powering up a SLICE system and running a test. The LEDs on the Base+ SLICE indicate the status of the system. To initialize SLICE MICRO/NANO systems without power back-up: 1. Apply power to the Base.

  • Page 29: Power (Pwr) Led

    SLICE User’s Manual July 2017 The status LED is red, green or blue. At system power up, the LED cycles from red to green to blue followed immediately by the power LED boot-up sequence. The status LED indicates communication and arm status. •...

  • Page 30: Appendix A: Slice Technical & Mechanical Specifications

    POWER CONTACT US Voltage: Supplied via BASE SLICE See website for full line of SLICE NANO & SLICE MICRO accessories Current (Maximum): 110 mA with 350 ohm bridges all channels Phone: +1 562 493 0158 Power varies significantly with sensor load Email: sales@dtsweb.com...
  • Page 31 (looking into the connector) (looking into the connector) Mating connector: DTS P/N 80000-04030 Mating connector: DTS P/N 80000-04029 Mating connector + backshell: DTS P/N 13000-30170 Mating connector + backshell: DTS P/N 13000-30180 Function Function On (contact closure input to ground)
  • Page 32 DTS P/N 13000-30310 Mating connector: DTS P/N 80000-14031 Mating connector + backshell + ID: Mating connector + backshell: DTS P/N 13000-30320 DTS P/N 13000-30120 Mating connector + backshell + 3 IDs: DTS P/N 13000-30140 Function Function Function + Sig + ID (Ch 2)
  • Page 33 67 (2.638) 70 mm 3" ** Includes cable assemblies See the DTS Support site for future updates. Specifications may be revised without notice. Torque specs: * 3.9 in-lb (0.44 Nm); ** 5.2 in-lb (0.59 Nm) July 2017 ©Diversified Technical Systems, Inc. - All Rights Reserved...
  • Page 34 SLICE MICRO Pin Assignments DOWN and connectors for SLICE MICRO Base Channels 1, 2 and 3 for SLICE MICRO Bridge (looking into the connector) (looking into the connector) Mating connector: DTS P/N 80000-04019 Mating connector: DTS P/N 80000-04030 Mating connector + backshell: DTS P/N 13000-30310...
  • Page 35 SLICE MICRO Mechanical Specifications Assembly Screw Mounting Screw Length (min) Total Stack Height Length (FH) (BH or SHC) mm (inch) A = 42 mm (1.654 in) M4** 6-32***/8-32** B = 34.2 mm (1.346 in) C = 3.9 mm (0.154 in) 17 (0.67)

  • Page 36: Appendix B: End-Of-Chain (Eoc) Terminal

    APPENDIX B – SLICE End-of-Chain Terminal SLICE End-of-Chain Terminal Function Connections 26 mm (1.024 in) Turns on SLICE Contact closure = ON to GND (continuous) If ON signal is removed and the system is not armed, the system will turn off If ON signal is removed and the system is armed, the system will remain on and collect data (sufficient input power permitting)

  • Page 37: Appendix C: Slice Usb Interface

    SLICE USB Interface (UI) The SLICE USB Interface connects 1 SLICE system to a PC via USB. Correct input power applied SLICE system is on SLICE system is recording data * You must pull out on the switch before moving—do not force. support@dtsweb.com March 2010 +1 562 493 0158...
  • Page 38 SLICE USB Interface (UI) SLICE (ECG.2B.312.CLL) DB15F (high density) (panel view) (panel view) Function Function /START, CC to ground /START +Status out /EVENT /EVENT, CC to ground STATUS Ground 12.6 VDC out -Status out 12.6 VDC out Ground Ground Ground USB power USB_DP USB_DM...

  • Page 39: Appendix D: Slice Ethernet Interface

    SLICE Ethernet Interface (EI) The SLICE Ethernet Interface connects 1 or 2 SLICE systems to a PC via Ethernet. Input power is over voltage Correct input power applied System boot-up System on All SLICE systems are recording data * You must pull out on the switch before moving—do not force. support@dtsweb.com March 2010 +1 562 493 0158...
  • Page 40 SLICE Ethernet Interface (EI) SLICE 1 / SLICE 2 (ECG.2B.312.CLL) DB15F (high density) (panel view) (panel view) Function Function /START, CC to ground /START +Status out /EVENT /EVENT, CC to ground STATUS Ground 6.5-15 VDC out -Status out 6.5-15 VDC out Ground Ground Ground...

  • Page 41: Appendix E: Slice Grounding Recommendations

    APPENDIX E SLICE Grounding Recommendations...
  • Page 42 SLICE Grounding and Shielding Overview Electromagnetic Interference (EMI), Radio Frequency Interference (RFI) and Electrostatic Discharge (ESD) can seriously degrade the performance of electronic equipment if not addressed. DTS SLICE systems contain protection for EMI/RFI/ESD, however, many dynamic testing environments EMI/RFI/ESD h...
  • Page 43 Carefully consider routing and cable design for any high current signals to air bags, cameras, lights, etc. • • Route these cables away from sensor wiring Route these cables away from sensor wiring. • Cross sensor wiring at 90° angles if the cables must cross. © 2009-2010 DTS Principles of Dynamic Data Acquisition...
  • Page 44 Vehicle Body or Test Article Shield NOT connected DAS Mounting Plate Sensor Cable here Sensor SLICE SLICE Isolated metal Stack structure such as a dummy component Ground Cable Ground Cable to “Earth” Earth Earth © 2009-2010 DTS Principles of Dynamic Data Acquisition...
  • Page 45 Earth connection and test vehicle. 8 to 12 gage equivalent is common. • If braided cable is not available, any ground wire is better than none! © 2009-2010 DTS Principles of Dynamic Data Acquisition...
  • Page 46 Good for SLICE Stack grounding A1230SV-100-ND • Available from www.Digi-key.com: part # • Alpha part number: 1232 SV005 • 3/8” wide, 12-gage equivalent • Good for test article grounding A1232SV-100-ND • Available from www.Digi-key.com: part # © 2009-2010 DTS Principles of Dynamic Data Acquisition...

  • Page 47: Appendix F: Slice Bridge Sensor Connections

    APPENDIX F SLICE Bridge Sensor Connections...
  • Page 48 SLICE Bridge – Sensor Interface Excitation Source • One per channel Basic Analog Features • 5-volts standard 1) 0-5 volt Input Rage • 20 mA continuous • Short circuit safe 2) Gains of 1 to 1,280 • ESD Protected 3) True Bridge Completion Shunt Excitation 4) 50KHz Bandwidth (max)
  • Page 49 Standard 4-wire Bridge Connection +SIG -SIG Shield Excitation 5-volts 20 mA Half-Bridge Switch −EX +SIG Sensor -sig +sig Bridge Amplifier −SIG Shield 2.5V −ID Electronic ID Interface Sensor Side Internal to SLICE Bridge...
  • Page 50 Strain Gage 3-wire Connection +SIG -SIG Shield Excitation 5-volts 20 mA Half-Bridge Switch 350Ω 0.1% −EX +SIG 350Ω Gage Amplifier −SIG 2.5V −ID Electronic ID Interface Sensor Side Internal to SLICE Bridge...
  • Page 51 Strain Gage 2-wire Connection +SIG -SIG Shield Excitation 5-volts 20 mA Half-Bridge Switch 350Ω −EX 0.1% +SIG 350Ω Gage Amplifier −SIG 2.5V −ID Electronic ID Interface Sensor Side Internal to SLICE Bridge...
  • Page 52 Switch Closure Example Sensor Settings +SIG -SIG • Half-Bridge Mode • Proportional to Excitation = No • Sensitivity = 1.000 mV/EU will scale data in mV at input. Switch closure as shown gives 833 mV deflection. Shield Excitation 5-volts 20 mA Half-Bridge Switch −EX +SIG...
  • Page 53 Signal Generator w/floating output Sample Sensor Settings +SIG -SIG • Desired Range = 2000 • Sensitivity = 1.000 mV/EU Notes: • Units = mV • SLICE input range is 0-5 volts WRT SLICE power • Sensor Type = Half-Bridge ground and –Excitation. •...
  • Page 54 Signal Generator w/grounded output Sample Sensor Settings +SIG -SIG • Desired Range = 2000 • Sensitivity = 1.000 mV/EU Notes: • Units = mV • SLICE input range is 0-5 volts WRT SLICE power • Sensor Type = Half-Bridge ground and –Excitation. •...
  • Page 55 Measuring Large Differential Voltages Resistor Network (5V) +EX + SIG External Amplifier Voltage - SIG SLICE Bridge (0V) - EX DTS Range Expander PCB – 1” by 0.2” +SIG -SIG Resistance Approx MAX * Sensitivity Shield External Voltage mV/V Vmax * Sensitivity calculation….

  • Page 56: Appendix G: Sliceware Xml File Format

    Appendix G: SLICEWare XML File Format Overview The .DTS file is an XML based file that contains information about the overall test and the individual channels. Some of the information may be redundant with information stored in the binary channel header.
  • Page 57 This identifies the representation of the data contained in the .BIN file. Currently this value is always expected ChannelType String to be DTS.Serialization.Test+Module+AnalogInputChannel. The channel number within the signal conditioning unit. Number Integer In a Bridge SLICE, channels are numbered 0–2.
  • Page 58 SLICE User’s Manual July 2017 Data Name Description Type Start Date Currently unused Bridge String Either FullBridge or HalfBridge The specified bridge resistance used during the shunt BridgeResistanceOhms Integer check ChannelDescriptionString String The user provided description for the channel The user provided description for the sensor; currently Description String the same as ChannelDescriptionString...
  • Page 59 SLICE User’s Manual July 2017 Data Name Description Type A value provided by the user that should be subtracted InitialEu Double from all scaled data in addition to the selected ZeroMethod The sampling rate used during data collection. Valid UnsubsampledSampleRateHz Integer only if IsSubsampled=true.

  • Page 60: Appendix H: Sliceware Binary File Format

    SLICE User’s Manual July 2017 Appendix H: SLICEWare Binary File Format Bin File Header Offset # of bytes Data Type Description Magic key to identify file: UInt32 0x2C36351F Version number of this file UInt32 header (currently 1) Offset (in bytes) from start of UInt64 file to where data samples begin UInt64...

  • Page 61: Slice User's Manual July

    SLICE User’s Manual July 2017 Example File Shown below is an example view of a .CHN file in HEXADECIMAL notation. The byte numbers are along the left side of the viewer. Boxed in white is first the DATA start offset and it can be seen that starting at the byte specified in this offset is the actual sample data.
  • Page 62 SLICE User’s Manual July 2017 Additional Info Note that the file is 'little-endian'—that is the values are serialized into the file LSB first. This is not important but should be considered if changes are to be made to the serialization procedure. It must only be consistent between read and write operations.
  • Page 63 SLICE User’s Manual July 2017 currently used in SLICEWare have defaulted to this because the x86 processor architecture is 'little-endian'. Take the data offset for example. The 8 bytes read E2 00 00 00 00 00 00 00, but this does not mean the data starts at byte #1.62850163 ×...
  • Page 65 SLICE User’s Manual July 2017 SLICE User’s Manual Revision History Date Description 31 July 2017 Added power up procedures. Updated NANO mechanical specs and added common signals for 16-pin Bridge. Removed reference to LABView driver. Updated datasheet with the latest version. Updated overlooked firmware references. (Version 1.0i) 30 Nov 2015 Updated to support Base+.

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