Chapter 6: Calibration Procedures
6-29
Sensors Calibration Procedures
The FT-50 contains two types of sensors:
• Proximity
• Fiber-Optic
Proximity Sensors
Proximity sensors use an electromagnet to detect the presence of
metallic objects, such as aluminum, tin, and steel. Proximity
sensors do not require calibration.
The proximity sensor used in the FT-50 is the Missing Lid
(metallic) sensor.
Fiber-Optic Sensors
Fiber-Optic sensors project a highly focused light beam across a
given space. When a container passes through the beam, the beam
continuity is broken. This triggers the sensor signal indicating that
an object is present in the beam.
The fiber-optic sensors used in the FT-50 are:
• Centerline Inspection Trigger
• Upstream Inspection Trigger
• Bulged End
• Down Can
Before You Begin
1. Before attempting to calibrate any sensor check the emitter and
receiver to be sure the lenses are clean and unobstructed. See
Chapter 8: Maintenance and Repair for cleaning instructions
2. Before you begin any sensor calibration procedure close the
Safety Shutter by pushing the actuating rod completely in so
that no red is showing.
3. Remember to open the Safety Shutter when you have finished
the calibration procedure by pulling the actuating rod out until
it stops.
Industrial Dynamics Company, Ltd. Document 40255-0600
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