Gocator Snapshot Sensors: User Manual
13
Safety and Maintenance
The following sections describe the safe use and maintenance of Gocator sensors.
Electrical Safety
Failure to follow the guidelines described in this section may result in electrical shock or equipment
damage.
Sensors should be connected to earth ground
All sensors should be connected to earth ground through their housing. All sensors should be mounted
on an earth grounded frame using electrically conductive hardware to ensure the housing of the sensor
is connected to earth ground. Use a multi-meter to check the continuity between the sensor connector
and earth ground to ensure a proper connection.
Minimize voltage potential between system ground and sensor ground
Care should be taken to minimize the voltage potential between system ground (ground reference for
I/O signals) and sensor ground. This voltage potential can be determined by measuring the voltage
between Analog_out- and system ground. The maximum permissible voltage potential is 12 V but should
be kept below 10 V to avoid damage to the serial and encoder connections.
For a description of the connector pins, see Gocator I/O Connector on page 532.
Use a suitable power supply
The +24 to +48 VDC power supply used with Gocator sensors should be an isolated supply with inrush
current protection or be able to handle a high capacitive load.
Use care when handling powered devices
Wires connecting to the sensor should not be handled while the sensor is powered. Doing so may cause
electrical shock to the user or damage to the equipment.
Handling, Cleaning, and Maintenance
Dirty or damaged sensor windows (emitter or camera) can affect accuracy. Use caution when
handling the sensor or cleaning the sensor's windows.
Keep sensor windows clean
Use dry, clean air to remove dust or other dirt particles. If dirt remains, clean the windows carefully with
a soft, lint-free cloth and non-streaking glass cleaner or isopropyl alcohol. Ensure that no residue is left
on the windows after cleaning.
Avoid excessive modifications to files stored on the sensor
Settings for Gocator sensors are stored in flash memory inside the sensor. Flash memory has an
expected lifetime of 100,000 writes. To maximize lifetime, avoid frequent or unnecessary file save
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