BARTINGTON INSTRUMENTS
Page 7 of 16
5.2. Connection recommendations
5.2.1. Connector pin allocation
The connector pin or cable colour allocation for the connection to each package type is shown on
the appropriate outline drawing on the product page.
5.2.2. Interface
X, Y and Z outputs are protected against short circuit to 0V.
Caution:
Short circuits from output to either power rail may result in permanent damage to
the sensor. Limit the power supply current to 100mA to minimise risk of damage caused by
incorrect connection.
The analogue outputs for the X, Y and Z axes are buffered to give a low output impedance,
enabling the unit to be operated over long cables and interfaced to low impedance data
acquisition systems.
5.2.3. Power supplies
The Bartington PSU1, Magmeter, SCU1 and Spectramag-6 are ideal power supply units.
Alternatively, users may wish to provide their own power supply.
for further
information.
5.3. Pre-installation tests
Prior to the installation of the system, the magnetometer, cable and power supply must be fully
tested to ensure correct function as follows:
Caution:
Take care to avoid bending or otherwise damaging the contacts whilst conducting
the tests.
Caution:
Carefully check for correct connection before applying power. Applying incorrect
polarity or power to output connections may cause irreparable damage to the sensor.
1. Test the cables for continuity (using an electrical continuity tester or ohmmeter).
a. Test the cables end to end at the connectors to ensure that the correct pins have been
allocated to the conductors and that there are no open or high resistance circuits.
a. Test the cables at the connectors to ensure that there are no short circuits between the
conductors.
2. Check the power supply output voltage using a voltmeter. Refer to the product brochure for
the required values.
