Agilent Technologies G1367A Reference Manual page 222

7
Theory of Operation
Safety Lock Sensor Board (SLS)
Two hall sensors detect correct closure of the front door (needle arm
movement is interrupted, if front door is open). The front door is locked by an
electric magnet.
Unlocking the front door is done by pushing the button on the right side or
switching the power off/on.
Figure 39
222
I/O
signals
TPU
signals
8-bit data
5-bit
address
FPGA chip
select
Encoder
clocks and
direction
Encoder feedback data
Quadrature
decoder
Well-plate sampler block diagram
Limit switch signals
FPGA
8-bit data
1100 Series WS MWS Reference Manual
Injection
Valve
Metering
Device
Needle
Lock Device
Peristaltic
Pump
X-Axis
Z-Axis
theta