INNOVATION IN MAGNETICS DS-2201/8 DAS1. Data Acquisition System.

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1 INNOVATION IN MAGNETICS DS-2201/8 DAS1 Data Acquisition System

2 DAS1 Data Acquisition System DAS1 Data Acquisition System The DAS1 is a multi-sensor data acquisition system designed to sample and process measurements from a wide range of Bartington Instruments three-axis magnetometers. It is suitable for any application that requires a large number of sensors to be handled. The system includes a PXI unit (including A-D cards) and one or more programmable Decaports. Ten magnetometers can be connected to each Decaport and up to eight Decaports can be connected to one PXI chassis. The system is mounted in a portable 19-inch rack-style case. The DAS1 s PC-based processing allows software designers considerable flexibility. A pre-compiled LabVIEW application is supplied, and source code is available to help customers develop their own software. Bartington is a registered trademark of Bartington Instruments Limited in the following countries: Australia, Brazil, Canada, China, European Union, India, Israel, Japan, Mexico, New Zealand, Norway, Russia, Singapore, South Korea, Switzerland, Turkey, United Kingdom, the United States of America, and Vietnam.

3 Features Compatible with most Bartington Instruments sensors. Can support up to 80 three-axis magnetic field sensors. Programmable LabVIEW software included. Product Identification The DAS1 system can be specified as follow: Product name Number of Decaports DAS Hence DAS1-10 is a DAS1 system with a single Decaport, able to connect up to 10 sensors.

4 DAS1 Data Acquisition System Specifications The minimum DAS1 system comprises: Decaport Analogue Interface Module PXI Data Acquisition Unit 19 rack case Rugged enclosure Flight case. Overall weights and dimensions Decaport Analogue Interface Module, PXI Data Acquisition Unit and 19 rack chassis in rugged enclosure All of the above in wheeled flight case 600 x 515 x 315mm (25kg) 930 x 575 x 360mm (46kg) Cables Each system can be supplied with land or marine compatible cables (up to 1km length, sensor dependent) for connecting the sensors to the Decaport. One metre cables for connecting the Decaport to the PXI Data Acquisition Unit are supplied as standard. Compatibility The DAS1 system is also compatible with depth, tilt, and pressure sensors.

5 Hardware DAS1 system schematic diagram showing typical sensor connections Ethernet USB GPIB IEEE 1284 RS232 Monitor Keyboard Mouse PXI CHASSIS PC Module (Windows XP/7 / LabVIEW) PXI BUS DECAPORT 2 A-D Module 30 Input Channels (8 slot) 1 DAS1 to sensor cables 3-axis or depth/tilt sensor Scalar sensor Up to 10 three-axis sensors (e.g. MAG-03) or 30 scalar sensors DAS1 system with PXI remote control module Remote Control Computer (laptop/ PC) MXI Express Connection PXI CHASSIS PXI Remote Control Module PXI BUS DECAPORT 2 A-D Module 30 Input Channels (8 slot) 1 DAS1 to sensor cables 3-axis or depth/tilt sensor Scalar sensor Up to 10 three-axis sensors (e.g. MAG-03) or 30 scalar sensors 1 A-D modules can be added in the spare PXI slots to connect additional Decaports. Up to 7 additional A-D modules and Decaports can be added.

6 DAS1 Data Acquisition System Decaport Analogue Interface Module Each Decaport Analogue Interface Module has 30 input channels, allowing connection of up to 10 three-axis sensors. The Decaport is primarily intended to support Bartington Instruments magnetic field sensors, but incorporates programmable features to support a wide range of sensor types (e.g. depth, pressure, e-field). It is softwareconfigurable for single-ended or differential analogue sensor inputs, anti-aliasing filters, frequency response and sensor supply voltage. The Decaport also provides power when used with the Bartington Instruments range of sensors.

7 Features Single-ended analogue output to PXI Unit Option to monitor the sensor power supply voltage, current and electrical leakage Ability to activate the magnetometer test function (when available on magnetometer) Comprehensive ESD surge protection on the sensor input Standard 19-inch rack-mounting Operates with sensor cables up to 1km long (sensor dependent)

8 DAS1 Data Acquisition System Specifications Performance Number of input channels Signal input voltage Common mode input voltage Absolute maximum input voltage Sensor power output ESD protection Filter Maximum cable length (recommended) Power supply voltage Power supply current Analogue outputs AFPI Inputs 10 three-axis magnetic field sensors ±10V differential or single ended ±8V: balanced / differential output sensors ±3V: single ended sensors ±15V on any input pin ±12V or ±14V limited to 50mA per sensor channel Sensor power supply voltage, current and electrical leakage monitoring Power output protected by self-resetting semiconductor fuses Comprehensive ESD surge protection on the sensor input Type Butterworth 2-pole 12dB per octave low pass Frequencies (software selectable): 10kHz,1kHz, 100Hz, 10Hz 1km 85 to 264 V AC 50/60Hz automatic selection 1100mA (115V) / 640mA (240V) typical Balanced ±10V each leg 5V TTL Logic compatible Environmental Operating temperature range Relative humidity -20ºC to +70ºC 0 to 90% non-condensing Mechanical Dimensions Weight Input connector (front panel) Standard 19-inch rack-mounting 1U (482 x 44 x 254mm) 3kg Hirose RM15TRD-10P (mating Hirose RM15TPD-10S - not supplied) Output connector (rear panel) 68-way Harting Power input (rear panel) Auxiliary connector (rear panel) 3-way IEC with integral filter (standard mains cable provided) 15 way D type

9 PXI Data Acquisition Unit The PXI Data Acquisition Unit is a rugged, modular, programmable PC-based system that can perform Analogue-to- Digital conversion and most data processing requirements for the analysis of signals from arrays of magnetometers. A chassis-based, plug-in board design allows flexibility in configuration. The standard chassis includes 8 expansion slots. Each A-D board has 30 input channels supporting up to 10 threeaxis sensors connected via a Decaport unit. Hence a fully populated large chassis can process data from 80 threeaxis sensors. Data sampling rates will be dependent on the application software, but the PXI Data Acquisition Unit hardware can sample all channels at a rate of up to 15.6kHz with 18 bit resolution. Specifications PXI Cardframe NI PXIe-1078* Supply voltage 100 to 240V AC 50/60Hz Supply current 7 to 3.5A Operating temperature 0 to 50 C Storage temperature 40 to 71 C Relative humidity (operating) Dimensions (W x H x D) Weight 20 to 90%, non-condensing x 177 x 214.2mm* 7.55kg *The PXI rack is supplied with National Instruments /2 19 inch rack mount kits. With this fitted the PXI rack occupies 4U of rack space. A space of 1U above the PXI Rack must be allowed for cooling. Processor NI PXIe-8840 Processor Hard drive Chipset RAM Ethernet Serial Parallel port GPIB (IEEE 488 controller) Intel Core i7 5700EQ processor (2.6GHz quad core) 320GB minimum, Serial ATA interface. Extended-temperature 24/7 option provides 80GB minimum SATA solid-state drive. Mobile Intel GM45 Express chipset 1 x SO-DIMM block, 64-bit DDR3L SDRAM socket, 8GB maximum, 4GB as standard. Two 10/100/1000 BaseT ports, RJ45 connector RS232 No Yes Hi-speed USB 2 ports 4 Hi-speed USB 3 ports 2 Operating system Windows 7 Professional installed, or Windows 10 on request

10 DAS1 Data Acquisition System PXI 6289 DAQ module Input Number of channels ADC resolution Maximum sampling rate Minimum sampling rate Timing accuracy Timing resolution Input coupling Input range Maximum working voltage for analogue inputs (signal + common mode) Small signal bandwidth ( 3dB) Input FIFO size Scan list memory Overvoltage protection Device ON Device OFF Input current during overvoltage condition Analogue 16 differential or 32 single ended 18-bits expandable to 24-bits by over-sampling 625kS/s single channel, 500kS/s multi-channel No minimum 50ppm of sample rate 50ns DC ±10V, ±5V, ±2V, ±1V, ±0.5V, ±0.2V, ±0.1V ±11V of analogue input GND 750kHz filter off, 40kHz filter on 2,047 samples 4,095 entries ±25V for up to eight analogue input pins ±15V for up to eight analogue input pins ±20mA max / analogue input pin The latest specifications for National Instruments components (PXIe-1078, PXIe-8840 and PXI-6289) can be found at Sample rate versus number of channels Number of magnetometers Number of data channels Sample rate (Ksamples/sec) Bandwidth (khz)

11 Software The DAS1 is supplied with Windows 7 (or Windows 10 on request) installed and with a DAS1 Start-Up software application, based on LabVIEW. This lets users quickly configure the DAS1 to monitor signals from attached sensors and establish that the system is functioning correctly, without providing the functionality of a full magnetic range facility. A fuller set of LabVIEW modules can be supplied to perform basic data recording and analysis. These modules can form the basis of a user-designed LabVIEW application if more complex processing is required. As the software requirements for each individual range implementation will vary, please contact Bartington Instruments to discuss the software options that are available.

12 Bartington Instruments Ltd 5, 8, 10, 11 & 12 Thorney Leys Business Park Witney, Oxford, OX28 4GE. England Telephone: +44 (0) Website: The specifications of the products described in this brochure are subject to change without prior notice.