Agilent Technologies G1313A

224
Theory of Operation
Autosampler Main Board (ASM)
Figure 39 Sampling unit control
FPGA
Sensor Circuits
Needle Drive
2A/Phase
Valve Drive
4.5A/Phase
Mixing Drive
0.6A/Phase
Metering Drive
2A/Phase
Needle
End-Position
Sensors (2)
Metering
Home-Position
Sensor
Safety Hall
Sensors (2)
Sampling Unit
Distribution Board
Valve
End-Position
Sensors (2)
Sampler Main Board
Via sampling
unit flex board