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GMW
Distributed by:
GMW Associates
955 Industrial Road, San Carlos, CA 94070 USA
Tel: (650) 802-8292 Fax: (650) 802-8298
Email: sales@gmw.com
website: http://www.gmw.com
Manufactured by:
Bartington Instruments Ltd.
10 Thorney Leys Business Park
Witney, Oxford OX8 7GE
England
Tel: 011 44 1993 706565 Fax: 011 44 1993 774813
Email: sales@bartington.com
website: http://www.bartington.com
_________________________________________________________________________________
GMW
955 Industrial Road, San Carlos, CA 94070 Tel: (650) 802-8292 Fax: (650) 802-8298
Email: sales@gmw.com Web site: http://www.gmw.com
BARTINGTON
MAG-03-OCTO-PSU
POWER SUPPLY UNIT
OPERATION/MAINTENANCE MANUAL
Issue 3 Jan 01
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Table of Contents
Summary of Contents for GMW BARTINGTON MAG-03-OCTO-PSU
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Page 1: Power Supply Unit
Witney, Oxford OX8 7GE England Tel: 011 44 1993 706565 Fax: 011 44 1993 774813 Email: sales@bartington.com website: http://www.bartington.com Issue 3 Jan 01 _________________________________________________________________________________ 955 Industrial Road, San Carlos, CA 94070 Tel: (650) 802-8292 Fax: (650) 802-8298 Email: sales@gmw.com Web site: http://www.gmw.com... - Page 2 OM1561 OPERATION/MAINTENANCE MANUAL FOR Mag-03-OCTO-PSU POWER SUPPLY UNIT January 2001 Bartington Instruments Ltd 10 Thorney Leys Business Park Oxford OX28 4GG England Tel: +44 1993 706565 Fax: +44 1993 774813 In the interest of product improvement, Bartington Instruments Ltd. reserves the right to change any part of the design of this product without prior notice.
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Page 3: Table Of Contents
LIST OF CONTENTS INTRODUCTION POWER FILTERS BUFFERS CONNECTORS CABLES ANALOG VOLTAGE MEASUREMENTS Mag-03-OCTO-PSU WITH Mag-03 SERIES SENSORS BATTERY CHARGING BATTERY CARE ANALOG OUTPUT TAKING MEASUREMENTS 12.1 CONNECTING UP 12.2 FILTER SECTION 12.3 ADDITIONAL FILTERS 12.4 OVERLOAD 12.5 AC MEASUREMENT PRECAUTIONS 12.6 ELECTROMAGNETIC COMPATIBILITY REPLACING THE INTERNAL BATTERY PACK... - Page 4 1 INTRODUCTION – SEE FIG 1 This manual describes the operation of the Mag-03-OCTO-PSU power supply unit. The unit provides a battery backed power supply of ±12V for up to eight Mag-03 series three-axis fluxgate magnetic field sensors. Signal inputs from the Mag-03 sensors are fully differential and the buffered outputs can be selected to be all a.c.
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Page 5: Analog Voltage Measurements
common is also buffered. The buffers allow long cables and low input impedance data acquisition systems to be used. The load should not be less than 10kohm resistance or greater than 2000pF. The output common is referenced to the internal chassis ground. 5 CONNECTORS Each Mag-03 sensor is connected to one of the eight Hirose 10-pin connectors on the front panel. -
Page 6: Battery Charging
9 BATTERY CHARGING A mains adaptor having a 12Vdc regulated output is supplied for battery charging. The unit supplied will operate from either 110V or 220V/240Vac, 60Hz or 50Hz, and provides full electrical isolation from the mains supply. As an alternative the battery may be charged from a vehicle dashboard 12V connector. -
Page 7: Additional Filters
selected if required to block the static background field and provide only an ac response. The decision to use either a dc or ac response will depend upon several factors. The need or otherwise to measure the static field. The dynamic range of any associated measuring instrument. If a 16-bit A/D converter is used, it will have a resolution of ±1 in ±32768. -
Page 8: Operation With An External Battery Pack
The battery pack is supplied as a module with connectors, a power switch and indicator. To replace the unit proceed as follows: Disconnect the mains adaptor and ensure the power switch is in the OFF (O) position. Undo the four screws on the underside of the unit and remove the top panel. Remove the 2.1mm connector from the battery unit which is connected to the printed circuit board. -
Page 9: Specifications
15 SPECIFICATIONS Electrical ±12V at 500mW per sensor. Power is on when power switch is on and battery is charged. Sensor power supply Sensor connector 8 off 10-pole Hirose plug type RM15TRD-10P Output connectors 2 off 37 way D-type connector 1 off 9 way D-type connector Battery Bartington rechargeable power pack 12V 4Ah... - Page 10 Connector detail CON1-CON8 Magnetic Sensor Connectors Function X out Y out Z out signal/power ground signal/power ground +12V supply -12V supply 8,9,10 no connection PL1 Signal Output Connector Function Function Function Pin1 PL2 Pin2 PL2 Pin3 PL2 Pin4 PL2 36,37 PL3 Signal Output Connector Function Function...
- Page 11 OM1561 ISSUE 3 PAGE 10 of 11...
- Page 12 Figure 1 - Mag-03-OCTO-PSU OUTLINE DRAWING OM1561 ISSUE 3 PAGE 11 of 11...
- Page 13 Figure 2 - Mag-03-OCTO-PSU SIMPLFIED SCHEMATIC OM1561 ISSUE 3 PAGE 12 of 11...
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