Agilent Technologies 1200 series - Position and Movement Sensors

Agilent 1200 Series Autosampler Reference Manual 235
Theory of Operation 8
Position and Movement Sensors
Position sensing of movement of autosampler components is done by sensors
on the sample transport and sampling unit flex boards. The following sensors
are used:
Table 40 Sample Transport Flex Board
Sensor Type Number of Sensors Position/Movement Sensed
Reflection Sensor 6 Vial tray identification
Reflection Sensor 1 Gripper initialization
Reflection Sensor 3 Transport assembly Initialization
Table 41 Sampling Unit Flex Board
Sensor Type Number of Sensors Position/Movement Sensed
IR light sensor 1 Metering device home (reference) position
Reflection sensor 2 Needle end positions
Hall sensor 2 Front cover in position
Microswitch 2 Valve switching